Seattle to ontario ca

Flight distance: 966 miles or 1554 km. Flight time: 2 hours, 10 minutes. Compare this to a whole day of commercial travel with the airports and waiting in line for security, which ends up taking a total of 7 hours, 44 minutes. Flying private is roughly 3.9x faster, and saves you about 5.5 hours in your total travel time.

Seattle to ontario ca. Looking for cheap flights to Ontario ? Reserve one-way or return flights from Seattle (SEA) to Ontario (QLA) starting at CA $83. Book now!

What is the cheapest flight from Ontario to Seattle? In the last 3 days, the lowest price for a flight from Ontario to Seattle was $44 for a one-way ticket and $61 for a round-trip. Do I …

ASA1118. B739. Arrived / Gate Arrival. Mon 02:17PM PDT. 04:49PM PDT Mon. Seattle-Tacoma Intl (KSEA) - Ontario Intl (KONT) - Flight Finder - Find and track any flight (airline or private) -- search by origin and destination. How far is it between Seattle and Ontario. Seattle is located in United States with (47.6062,-122.3321) coordinates and Ontario is located in Canada with (34.0633,-117.6509) coordinates. The calculated flying distance from Seattle to Ontario is equal to 967 miles which is equal to 1556 km.. If you want to go by car, the driving distance between Seattle …Prices were available within the past 7 days and start at $24 for one-way flights and $43 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Looking for cheap flights to Ontario? Book now to earn airline miles in addition to our OneKeyCash rewards and receive alerts if flight prices ... 8 airports. The best one-way flight to California from Seattle in the past 72 hours is $39. The best round-trip flight deal from Seattle to California found on momondo in the last 72 hours is $78. The fastest flight from Seattle to California takes 1h 43m. Direct flights go from Seattle to California every day. ️ Use the interactive calendar available on Expedia to see the cheapest Alaska Airlines (Seattle SEA - Los Angeles ONT) ticket prices during the weeks surrounding your travel dates. Compare flight prices for similar timeframes and adjust departure and return dates to get the cheapest fare possible. The lowest-priced days are highlighted in green.Book your Amtrak train and bus tickets today by choosing from over 30 U.S. train routes and 500 destinations in North America.The total straight line flight distance from Ontario, CA to Seattle, WA is 966 miles. This is equivalent to 1 554 kilometers or 839 nautical miles. Your trip begins in Ontario, California. It ends in Seattle, Washington. Your flight direction from Ontario, CA to Seattle, WA is North (-13 degrees from North).

Flights between Seattle, WA and Ontario, CA starting at £43. Choose between Alaska Airlines, Frontier Airlines, or Spirit Airlines to find the best price. Search, compare, and book flights, trains, and buses. Track Alaska Airlines (AS) #1118 flight from Seattle-Tacoma Intl to Ontario Intl Flight status, tracking, and historical data for Alaska Airlines 1118 (AS1118/ASA1118) including scheduled, estimated, and actual departure and arrival times.ASA1118. B739. Arrived / Gate Arrival. Mon 02:17PM PDT. 04:49PM PDT Mon. Seattle-Tacoma Intl (KSEA) - Ontario Intl (KONT) - Flight Finder - Find and track any flight (airline or private) -- search by origin and destination.China Airlines. 5 News/Travel Alerts. ONLINE ARRIVAL CARD saves your time ! 2024-04-22. Notice of Temporary Suspension of Services at Our San Francisco VIP Lounge Due to Renovation. 2024-03-29. Adjustments on seat selection fee of CI/AE international sectors. 2024-03-12. Please beware of scams via phone calls or e-mails. The cheapest return flight ticket from Seattle to Ontario found by KAYAK users in the last 72 hours was for $78 on Frontier, followed by Delta ($177). One-way flight deals have also been found from as low as $54 on Frontier and from $89 on Alaska Airlines. Fly to Ontario with United Airlines from over 200 airports within the United States and an additional 100 airports internationally. Ontario’s top attractions. Visit the Ontario Museum of History and Art for an overview of the region. Tour the grand Graber Olive House, home to the oldest operating olive packer in the U.S. Nonstop 2h 47m Frontier. Deal found 3/22 $94. Pick Dates. One of the most popular airlines traveling from Seattle to Ontario is Frontier. Flights on this route from Frontier typically cost $220.07 RT, a price that is 31% more expensive than the average Seattle to Ontario flight. The cheapest flight found was $79 RT.

ONT. Ontario , CA. Distance. 962 miles · (1548 km) CHANGE DIRECTION. Flight time. 2 hours and 48 minutes. Airlines with direct flights from Seattle (SEA) to Ontario (ONT) …Please select from the following options. Calculate Postcard price. View Flat Rate Envelopes. View Flat Rate Boxes. Calculate price based on Shape and Size.Airfares from $69 One Way, $137 Round Trip from Seattle to Ontario. Prices starting at $137 for return flights and $69 for one-way flights to Ontario were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Wed, May 1 - Tue, May 7.Cheap flights from Seattle to Ontario (SEA - ONT) from $34. Round-trip One-way Multi-city. From? To? Thu 3/28. Thu 4/4. 1 adult. Economy. Find Your Flight. The best prices from …Enter Your Trip Details. Enter a “ Starting Point” and “ Destination” in the trip planner. It will suggest options based on what you input. Select the option you want, as shown in the following screenshot. Now you have the option to choose how far away from your route you want the charging stations to be. Then click on "Find Routes".

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Users in need of a round-trip flight from Seattle to Ontario instead should update the search form at the top of page. mié. 5/29 9:35 am SEA - YYZ. 2 stops 17h 37m Multiple Airlines. Deal found 4/17 $194. Pick Dates.Facts About Flying to Ontario, California §. The percentage of Ontario travelers over the age of 35 was 56%.; The percentage of Ontario travelers over the age of 60 was 18%.; The percentage of Ontario travelers who booked First or Business Class Class was 3%.; The percentage of Ontario travelers who traveled with kids under 14 was 5%.; The …Reviews for Seattle 321 Reviews. I have lived here since 1975, I moved here from California but was born and raised in Michigan. I would have to say that I never regretted leaving Michigan and their More. I’ve lived in Seattle for just under 7 years and while it can be a stunningly beautiful place, I am very excited to leave.Compare and book flights from Seattle to Ontario, CA with American Airlines. Find the best fares, dates, and travel classes for your trip.

These results are based on the actual driving distance from Ontario, CA to Seattle, WA, which is 1,170 miles or 1 883 kilometers. Your trip begins in Ontario, California. The price of regular gas is currently averaging $5.30 in California. Your trip ends in Seattle, Washington. The price of regular gas is around $5.07 in Washington. The cheapest return flight ticket from Seattle to Ontario found by KAYAK users in the last 72 hours was for $78 on Frontier, followed by Delta ($177). One-way flight deals have …The cheapest plane ticket found by our users is $68. This airfare is for economy class on one-way AA1224 flight by American Airlines for August 27, 2020 which leaves Ontario Int. in Ontario at 08:30 am and arrives at Seattle Seattle …Return flights from Seattle SEA to Ontario ONT with United If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $207 to $207, it’s easy to find a flight that suits your budget. The best city between Ontario, CA and Seattle, WA to meet is Project City, California. The closest zip code to the midpoint is 96079. The exact latitude and longitude coordinates are 40° 40' 54" N and 122° 20' 51" W. The closest major city that is roughly halfway is Sacramento, CA. The total driving distance from Ontario, CA to Seattle, WA is ... Ontario. $1,391. Flights from Kingston, Ontario to Seattle. $699. Flights from London, Ontario to Seattle. $507. Flights from Ottawa to Seattle. Flights from Toronto Pearson Intl Airport to Seattle. $323.Cheap flights from Seattle to Ontario (SEA - ONT) from $34. Round-trip One-way Multi-city. From? To? Thu 3/28. Thu 4/4. 1 adult. Economy. Find Your Flight. The best prices from …Select Frontier Airlines flight, departing Tue, Oct 15 from Seattle to Ontario, returning Tue, Oct 22, priced at $88 found 8 hours ago. Sat, May 18 - Mon, May 20. SEA. Seattle. ONT. Ontario. $89 Roundtrip, just found. $89. Roundtrip. just found . Select Frontier Airlines flight, departing Sat, May 18 from Seattle to Ontario, returning Mon, May 20, priced at $89 just …The total driving distance from Ontario, CA to Seattle, WA is 1,170 miles or 1 883 kilometers. Your trip begins in Ontario, California. It ends in Seattle, Washington. If you are planning a road trip, you might also want to calculate the total driving time from Ontario, CA to Seattle, WA so you can see when you'll arrive at your destination. In-Flight information. The average flying time for a direct flight from Seattle, WA to Ontario is 2 hours 30 minutes. Most direct flights leave around 8:45 PDT. Alaska Airlines flight #537 is today's earliest flight from Seattle, WA to Ontario (8:45 PDT, Boeing 737-900) Alaska Airlines flight #924 is today's latest flight from Seattle, WA to ...

Flights Deals from Seattle, WA to Ontario/LA, CA on Frontier. From. flight_takeoff. To. flight_land. Budget $ From. To. From Seattle, WA (SEA) To Ontario/LA, CA (ONT) One-way / Economy: Departing Sep 3, 2024: From. $39* Last seen: 6 hours ago *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require …

Best site for finding today’s lowest flight prices, unadvertised fare sales, and mistake prices. Updated daily. Find the best price before you book your trip to Ontario, CA (ONT). The best city between Ontario, CA and Seattle, WA to meet is Project City, California. The closest zip code to the midpoint is 96079. The exact latitude and longitude coordinates are 40° 40' 54" N and 122° 20' 51" W. The closest major city that is roughly halfway is Sacramento, CA. The total driving distance from Ontario, CA to Seattle, WA is ... Compare and book flights from Seattle to Ontario, CA with American Airlines. Find the best fares, dates, and travel classes for your trip.9:00 am leave from Saint Regis. drive for about 4 hours. 12:53 pm Bozeman. stay for about 1 hour. and leave at 1:53 pm. drive for about 6.5 hours. 8:13 pm Theodore Roosevelt National Park. stay overnight and leave the next day around 11:00 am. day 2 driving ≈ 10 hours.Deal found 4/17 $387. Pick Dates. Alaska Airlines is one of the most popular airlines used for those traveling from Ontario to Seattle. Flights on this route from Alaska Airlines typically cost $218.72 RT, a price that is 97% cheaper than the average Ontario to Seattle flight. The cheapest flight found was $90 RT.The flight time from Ontario to Seattle is 2 hours, 39 minutes. The time spent in the air is 2 hours, 13 minutes. These numbers are averages. In reality, it varies by airline with Alaska being the fastest taking 2 hours, 38 minutes, and Delta the slowest taking 2 …Compare flight deals to Seattle from Ontario from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Seattle start from $33 one-way. Flex your dates to find the best ONT–SEA ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day …Fly Air Canada, voted "Best Airline in North America" by Skytrax and Global Traveler Magazine. Book your Seattle to Toronto flight today. Skip to content-Skip to footer United States-English keyboard_arrow_down. Travel with Air Canada from Seattle to Toronto (SEA - YYZ) from USD 278* Book with cash. arrow_drop_down. Round-trip. …Cheap flights from Seattle to Ontario (SEA - ONT) from $34. Round-trip One-way Multi-city. From? To? Thu 3/28. Thu 4/4. 1 adult. Economy. Find Your Flight. The best prices from …

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This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Ontario departing on 14/5. Fares are subject to change and may not be available on all flights or dates of travel. If you want to explore small towns along the way, get a list of cities between Ontario, CA and Seattle, WA. Looking for alternate routes? Explore all of the routes from Ontario, CA to Seattle, WA. Compare the flight distance to driving distance from Ontario, CA to Seattle, WA, or check for a bus or train from Ontario, CA to Seattle, WA.The total flight duration from Ontario, CA to Seattle, WA is 2 hours, 16 minutes. This is the average in-air flight time (wheels up to wheels down on the runway) based on actual flights taken over the past year, including routes like ONT to SEA . It covers the entire time on a typical commercial flight including take-off and landing.Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu.383 Reviews. Rancho Cucamonga, CA. Book Cheap Flights to Ontario: Search and compare airfares on Tripadvisor to find the best flights for your trip to Ontario. Choose the best airline for you by reading reviews and viewing hundreds of ticket rates for flights going to and from your destination.1 day ago · Searching for cheap flights from Seattle to Ontario? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today. Reviews for Seattle 321 Reviews. I have lived here since 1975, I moved here from California but was born and raised in Michigan. I would have to say that I never regretted leaving Michigan and their More. I’ve lived in Seattle for just under 7 years and while it can be a stunningly beautiful place, I am very excited to leave.Please select from the following options. Calculate Postcard price. View Flat Rate Envelopes. View Flat Rate Boxes. Calculate price based on Shape and Size.The total straight line flight distance from Ontario, CA to Seattle, WA is 966 miles. This is equivalent to 1 554 kilometers or 839 nautical miles. Your trip begins in Ontario, California. It ends in Seattle, Washington. Your flight direction from Ontario, CA to Seattle, WA is North (-13 degrees from North).There are many international destinations you can fly to non-stop from Ontario. The most popular international destinations from KAYAK users are Guadalajara and San Salvador. On average, the cheapest of these destinations on KAYAK over the last 2 weeks for a return flight was Guadalajara at $202, while the most expensive was San Salvador, at $242.Find the best deals for flights from Seattle to Ontario, CA starting at $68. Compare airlines, dates, prices, and weather for your travel plans. ….

3 days ago · Seattle (SEA) to. Ontario (ONT) 04/19/24 - 04/26/24. from. $501*. Updated: 5 hours ago. Round trip. I. The average price for a train ticket from Seattle to Ontario is $128.00, Tickets are generally pricier for this train route, which is to be expected given the long distance. By booking your trip at least 25 days in advance, you increase your chances of scoring even cheaper tickets. But if you wait until the day of your trip to book tickets ...Search for a Delta flight round-trip, multi-city or more. You choose from over 300 destinations worldwide to find a flight that fits your schedule.AS1134 and Seattle SEA to Ontario ONT Flights. Flight AS1134 is code-shared by 1 airline using the flight number QR2124. Other flights departing from Seattle SEA: DL415, AS360, AS536, AS636. Other flights arriving at Ontario ONT: F92735, F91499, 5Y3857, 8C3578. All flights connecting Seattle SEA to Ontario ONT. Your trip begins in Seattle, Washington. It ends in Ontario, California. If you're planning a road trip, you might be interested in seeing the total driving distance from Seattle, WA to Ontario, CA. You can also calculate the cost to drive from Seattle, WA to Ontario, CA based on current local gas prices and an estimate of your car's best gas ... Find cheap flights from Seattle to Ontario from C$ 166. Return. 1 adult. Economy. 0 bags. sáb. 18/5. sáb. 25/5. Search. Nonstop flights only. Search hundreds of travel sites at …Searching for cheap flights from Seattle to Ontario? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today.Select Frontier Airlines flight, departing Tue, Oct 15 from Seattle to Ontario, returning Tue, Oct 22, priced at $88 found 8 hours ago. Sat, May 18 - Mon, May 20. SEA. Seattle. ONT. Ontario. $89 Roundtrip, just found. $89. Roundtrip. just found . Select Frontier Airlines flight, departing Sat, May 18 from Seattle to Ontario, returning Mon, May 20, priced at $89 just …What companies run services between Anaheim, CA, USA and Ontario, CA, USA? You can take a train from Anaheim to Ontario via Los Angeles in around 2h 33m. Alternatively, you can take a bus from Anaheim to Ontario via State College-Brea Mall, Brea Mall, and Pomona Trans Center Eb Fs in around 2h 35m. Train operators. Amtrak Amtrak is a rail …AS 1157 Seattle to Ontario Flight Status Alaska Airlines Flight AS1157 from Seattle Tacoma International Airport SEA to Ontario International Airport ONT is not scheduled for today December 18th, 2023. The last time the flight was scheduled was on September 5th, 2023. Check the table below for AS1157's most recent flight history: AS … Seattle to ontario ca, Cheap Flights from Seattle to San Diego (SEA-SAN) Prices were available within the past 7 days and start at $50 for one-way flights and $100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Mon, May 13 - Tue, May 14. SEA. Seattle . SAN. San Diego. $100 Roundtrip, …, Select Frontier Airlines flight, departing Tue, Oct 15 from Seattle to Ontario, returning Tue, Oct 22, priced at $88 found 8 hours ago. Sat, May 18 - Mon, May 20. SEA. Seattle. ONT. Ontario. $89 Roundtrip, just found. $89. Roundtrip. just found . Select Frontier Airlines flight, departing Sat, May 18 from Seattle to Ontario, returning Mon, May 20, priced at $89 just …, Our data shows that the cheapest route for a one-way flight from Seattle to Toronto cost C$ 337 and was between Seattle and Toronto Pearson Intl Airport. On average, the best prices are found if you fly this route. The average price for a return flight for this route is C$ 352., Our data shows that the cheapest route for a one-way flight from Seattle to Toronto cost C$ 337 and was between Seattle and Toronto Pearson Intl Airport. On average, the best prices are found if you fly this route. The average price for a return flight for this route is C$ 352., Vancouver to Toronto distance (YVR–YYZ) Anchorage to Seattle distance (ANC–SEA) London to Sydney distance (LHR–SYD) Air Miles Calculator helps you calculate how many miles it is from one airport to another and provides a map, estimated flight time, time difference between cities, and estimated CO2 emissions., , Direct (non-stop) flights from Ontario to Seattle All flight schedules from Ontario International Airport , California , USA to Seattle Tacoma International , Washington , USA. This route is operated by 3 airline(s), and the flight time is 3 hours and 01 minute. The distance is 962 miles. ONT Ontario International Airport. Ontario , CA , USA SEA …, The trip from Seattle to Ontario / Montclair / Claremont can be as quick as 27 hours 25 minutes and as cost-effective as $177.99. The first bus of the day departs at 6:00 am and the last bus departs at 3:10 pm . Greyhound offers 3 buses daily between Seattle and Ontario / Montclair / Claremont. , Compare flight deals to Ontario from Seattle from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys. Flex your dates to find the best Seattle–Ontario ticket prices. If you're flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to ... , The calculation of flight time is based on the straight line distance from Ontario, CA to Seattle, WA ("as the crow flies"), which is about 966 miles or 1 554 kilometers. Your trip begins in Ontario, California. It ends in Seattle, Washington. Your flight direction from Ontario, CA to Seattle, WA is North (-13 degrees from North). , The cheapest Alaska Airlines deal from Seattle to Ontario in the last 72 hours was $84 (round-trip), much lower than the average airfare cost of $219 for Alaska Airlines flights on this route. Delta Flights From Seattle to Ontario. Delta (8.0/10 from 11,818 reviews) operates around 21 flights from Seattle to Ontario in any given week. The …, Fly to Ontario with United Airlines from over 200 airports within the United States and an additional 100 airports internationally. Ontario’s top attractions. Visit the Ontario Museum of History and Art for an overview of the region. Tour the grand Graber Olive House, home to the oldest operating olive packer in the U.S., Find the best deals on flights from Seattle to Ontario, CA with Cheapflights.com. Compare prices, dates, airlines and booking tips for this popular route., What companies run services between Seattle, WA, USA and Ontario, CA, USA? Alaska Airlines, Inc., Delta and two other airlines fly from Seattle to Ontario hourly. Alternatively, you can take a bus from Seattle to Ontario via Sacramento Bus Station, Bakersfield Train Station, and Bakersfield in around 27h 20m. Airlines. , The total driving distance from Ontario, CA to Seattle, WA is 1,170 miles or 1 883 kilometers. Your trip begins in Ontario, California. It ends in Seattle, Washington. If you are planning a road trip, you might also want to calculate the total driving time from Ontario, CA to Seattle, WA so you can see when you'll arrive at your destination., Connecting flights between Seattle, WA and Ontario, CA. Here is a list of connecting flights from Seattle, Washington to Ontario, California. This can help you find a one-stop flight with the shortest layover time. We found a total of 12 flights to Ontario, CA with one connection: Airline routes; Delta Air Lines SEA to SLC to LGB , Search Deals. Currently, October is the cheapest month in which you can book a flight from London, Ontario to Seattle (average of C$ 301). Flying from London, Ontario to Seattle in August is currently the most expensive (average of C$ 432). There are several factors that can impact the price of a flight, so comparing airlines, departure ..., The two airlines most popular with KAYAK users for flights from Seattle to Toronto are Alaska Airlines and Delta. With an average price for the route of $346 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $591 and an overall rating of 8.0. , 6 days ago · Find the best deals on flights from Seattle to Ontario, CA with Cheapflights.com. Compare prices, dates, airlines and booking tips for this popular route. , Top tips for finding cheap flights to California. Looking for a cheap flight? 25% of our users found tickets from Seattle to the following destinations at these prices or less: Los Angeles $133 one-way - $261 round-trip; San Francisco $120 one-way - $246 round-trip., The cheapest plane ticket found by our users is $68. This airfare is for economy class on one-way AA1224 flight by American Airlines for August 27, 2020 which leaves Ontario Int. in Ontario at 08:30 am and arrives at Seattle Seattle …, Ontario. $1,391. Flights from Kingston, Ontario to Seattle. $656. Flights from London, Ontario to Seattle. $505. Flights from Ottawa to Seattle. Flights from Toronto Pearson Intl Airport to Seattle. $311. , Find the best deals on flights from Seattle to Ontario, CA with Cheapflights.com. Compare prices, dates, airlines and booking tips for this popular route., Find United Airlines cheap flights from Ontario to Seattle. Enjoy a Ontario to Seattle modern flight experience in premium cabins with Wi-Fi. Skip to content-Skip to footer. HELP SEARCH United States-English keyboard_arrow_down. Book My Trip Travel info MileagePlus® Program Deals Help. United flights from Ontario to Seattle from $ 193 * …, Cheap Flights from Seattle Paine Field Intl. Airport to Ontario (PAE-ONT) Prices were available within the past 7 days and start at $304 for one-way flights and $514 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way . Roundtrip. Wed, May 8 - Tue, May 14. PAE. Seattle Paine Field Intl. …, The calculation of flight time is based on the straight line distance from Ontario, CA to Seattle, WA ("as the crow flies"), which is about 966 miles or 1 554 kilometers. Your trip begins in Ontario, California. It ends in Seattle, Washington. Your flight direction from Ontario, CA to Seattle, WA is North (-13 degrees from North). , The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $182 round trip and $99 one way. Prices and availability subject to change. Additional terms may apply. Fri, Feb 16 - Sun, Feb 18., The easy way to book your flights from Visalia to Ontario. With Expedia, it’s simple to find and book flights to Ontario from Visalia whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Los Angeles - Ontario Intl., too., Ontario. $1,391. Flights from Kingston, Ontario to Seattle. $699. Flights from London, Ontario to Seattle. $507. Flights from Ottawa to Seattle. Flights from Toronto Pearson Intl Airport to Seattle. $323., What companies run services between Anaheim, CA, USA and Ontario, CA, USA? You can take a train from Anaheim to Ontario via Los Angeles in around 2h 33m. Alternatively, you can take a bus from Anaheim to Ontario via State College-Brea Mall, Brea Mall, and Pomona Trans Center Eb Fs in around 2h 35m. Train operators. Amtrak Amtrak is a rail …, Cheap Flights from SEA to ONT starting at $39 One Way, $78 Round Trip. Prices starting at $78 for return flights and $39 for one-way flights to Los Angeles - Ontario Intl. were the …, Search Deals. Currently, October is the cheapest month in which you can book a flight from London, Ontario to Seattle (average of C$ 301). Flying from London, Ontario to Seattle in August is currently the most expensive (average of C$ 432). There are several factors that can impact the price of a flight, so comparing airlines, departure ..., Best site for finding today’s lowest flight prices, unadvertised fare sales, and mistake prices. Updated daily. Find the best price before you book your trip to Ontario, CA (ONT).