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Flights Ontario, CA to Seattle

Last minute flights from Ontario, CA to Seattle

Book now before it's too late

Prices shown below were available within the past 3 days for the period specified and should not be considered the final price offered. Please note that availability and prices are subject to change.

Ontario, CA Seattle

BEST

DEAL

Tue, 26 Nov ONT - SEA

Sun, 01 Dec SEA - ONT

283€ 271€

Prime price per passenger

Ontario, CA Seattle

BEST

DEAL

Tue, 24 Dec ONT - SEA

32€ 31€

Prime price per passenger

Ontario, CA Seattle

BEST

DEAL

Thu, 21 Nov ONT - SEA

Mon, 25 Nov SEA - ONT

74€ 71€

Prime price per passenger

Ontario, CA Seattle

BEST

DEAL

Sun, 17 Nov ONT - SEA

Fri, 22 Nov SEA - ONT

126€ 121€

Prime price per passenger

Ontario, CA Seattle

BEST

DEAL

Thu, 05 Dec ONT - SEA

Wed, 11 Dec SEA - ONT

100€ 96€

Prime price per passenger

Ontario, CA Seattle

BEST

DEAL

Sat, 07 Dec ONT - SEA

Mon, 09 Dec SEA - ONT

102€ 98€

Prime price per passenger

Details on this flight route

Distance: 1556 kms

Ontario, CA airports

Ontario International (ONT) How far from city centre: 3 kms

Seattle airports

Seattle All Airports (SEA) How far from city centre: 18 kms

Discover cheap flights from Ontario, CA to Seattle with the Opodo search engine. By using our flight comparison tool, you'll be able to find your flight selection at the cheapest price available on the market. You can also filter price, timings, airports and more to find the best route to Seattle that suits your needs. Using our 'smart choice' option, Opodo's engine will find the cheapest and most convenient flight out of the list of results, letting you save time and money on booking your flight from Ontario, CA to Seattle. Additionally, you can also book a hotel or a car for hire to complete your booking process. You can also download the Opodo App to save on flights and receive exclusive discounts by subscribing to our newsletter. Let us help you book the perfect holiday, save money and effort by using Opodo's flight search engine and enjoy your holiday knowing you got the best flight deals. So remember, introduce your flight details, hit search and you're on your way! The perfect holiday is just around the corner, book now.