Cheap flight from Ontario to Seattle from QAR 408
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Flights from Ontario to Seattle
Cheap flight deals from Ontario to Seattle
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstop
ONT 10:032h 50mNonstopSEA 12:53Ontario - Seattle | Tue, Aug 12 | Frontier Airlines
SEA 13:422h 54mNonstopSIN 16:36Seattle - Ontario | Thu, Aug 14 | Frontier AirlinesQAR 408 QAR 63936% OFF36% OFFQAR 639 QAR 408 -
ONT 18:582h 39mNonstopSEA 21:37Ontario - Seattle | Tue, Aug 12 | Alaska Airlines
SEA 13:422h 54mNonstopSIN 16:36Seattle - Ontario | Thu, Aug 14 | Frontier AirlinesQAR 463 QAR 63928% OFF28% OFFQAR 639 QAR 463 -
ONT 10:032h 50mNonstopSEA 12:53Ontario - Seattle | Wed, Jul 30 | Frontier Airlines
SEA 13:422h 54mNonstopSIN 16:36Seattle - Ontario | Wed, Aug 6 | Frontier AirlinesQAR 474 QAR 63926% OFF26% OFFQAR 639 QAR 474
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ONT 17:032h 54mNonstopSEA 19:57Ontario - Seattle | Tue, Aug 19 | Frontier Airlines
SEA 21:422h 49mNonstopSIN 00:31Seattle - Ontario | Sat, Aug 23 | Frontier AirlinesQAR 48025% OFFQAR 639 QAR 480
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ONT 12:002h 45mNonstopSEA 14:45Ontario - Seattle | Tue, Aug 12 | Delta Air Lines
SEA 13:422h 54mNonstopSIN 16:36Seattle - Ontario | Thu, Aug 14 | Frontier AirlinesQAR 48324% OFFQAR 639 QAR 483 -
ONT 10:032h 46mNonstopSEA 12:49Ontario - Seattle | Sat, Jun 21 | Frontier Airlines
SEA 13:502h 40mNonstopSIN 16:30Seattle - Ontario | Sat, Jun 28 | Frontier AirlinesQAR 51120% OFFQAR 639 QAR 511
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ONT 10:032h 50mNonstopSEA 12:53Ontario - Seattle | Sat, Jul 26 | Frontier Airlines
SEA 13:422h 54mNonstopSIN 16:36Seattle - Ontario | Wed, Jul 30 | Frontier AirlinesQAR 51619% OFFQAR 639 QAR 516
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ONT 10:032h 50mNonstopSEA 12:53Ontario - Seattle | Sat, Jul 12 | Frontier Airlines
SEA 13:422h 54mNonstopSIN 16:36Seattle - Ontario | Tue, Jul 15 | Frontier AirlinesQAR 51719% OFFQAR 639 QAR 517
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ONT 10:032h 50mNonstopSEA 12:53Ontario - Seattle | Fri, Aug 1 | Frontier Airlines
SEA 13:422h 54mNonstopSIN 16:36Seattle - Ontario | Sat, Aug 2 | Frontier AirlinesQAR 51719% OFFQAR 639 QAR 517
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ONT 10:032h 50mNonstopSEA 12:53Ontario - Seattle | Mon, Aug 18 | Frontier Airlines
SEA 21:422h 49mNonstopSIN 00:31Seattle - Ontario | Sat, Aug 23 | Frontier AirlinesQAR 51819% OFFQAR 639 QAR 518
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ONT 13:0017h 25m1 stopsSEA Invalid DateOntario - Seattle | Mon, Jun 23 | Normal Airline
SEA 15:006hNonstopONT 16:00Seattle - Ontario | Wed, Jun 25 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
ONT 10:032h 50mNonstopSEA 12:53Ontario - Seattle | Sat, Jul 5 | Frontier AirlinesQAR 172 QAR 31445% OFF45% OFFQAR 314 QAR 172
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ONT 10:032h 46mNonstopSEA 12:49Ontario - Seattle | Sat, Jun 28 | Frontier AirlinesQAR 181 QAR 31442% OFF42% OFFQAR 314 QAR 181
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ONT 10:032h 50mNonstopSEA 12:53Ontario - Seattle | Sat, Jul 19 | Frontier AirlinesQAR 220 QAR 31430% OFF30% OFFQAR 314 QAR 220
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ONT 10:032h 50mNonstopSEA 12:53Ontario - Seattle | Tue, Jul 15 | Frontier AirlinesQAR 22130% OFFQAR 314 QAR 221
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ONT 10:032h 50mNonstopSEA 12:53Ontario - Seattle | Sat, Aug 9 | Frontier AirlinesQAR 22428% OFFQAR 314 QAR 224
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ONT 10:032h 50mNonstopSEA 12:53Ontario - Seattle | Sat, Jul 12 | Frontier AirlinesQAR 22528% OFFQAR 314 QAR 225
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ONT 10:032h 50mNonstopSEA 12:53Ontario - Seattle | Tue, Jul 8 | Frontier AirlinesQAR 23525% OFFQAR 314 QAR 235
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ONT 10:032h 46mNonstopSEA 12:49Ontario - Seattle | Tue, Jul 1 | Frontier AirlinesQAR 25120% OFFQAR 314 QAR 251
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ONT 10:032h 46mNonstopSEA 12:49Ontario - Seattle | Wed, Jun 25 | Frontier AirlinesQAR 25419% OFFQAR 314 QAR 254
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ONT 10:032h 46mNonstopSEA 12:49Ontario - Seattle | Mon, Jun 30 | Frontier AirlinesQAR 25419% OFFQAR 314 QAR 254
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ONT 13:0017h 25m1 stopsSEA Invalid DateOntario - Seattle | Mon, Jun 23 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Info | Ontario to Seattle
| Cheapest one-way flight price | QAR 171 |
|---|---|
| Cheapest round-trip ticket price | QAR 407 |
| Off-season for travel | March |
| Peak season for travel | February |
| Flight distance | 1,538.43 km |
When is the cheapest time to fly from Ontario to Seattle?
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from Ontario (ONT) to Seattle (SEA) the cheapest?
Airlines adjust prices for flights from Ontario to Seattle based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Ontario (ONT) to Seattle (SEA) cost?
According to Trip.com's data, the lowest price is around QAR 670.
How to find a cheap flight from Ontario to Seattle
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Ontario to Seattle. Book your flights at the right time and save more.
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