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Cheap Flights from Ontario to Seattle - ONT to SEA

Did You Know?

35% of all flights from Ontario, CA to Seattle arrive during afternoon hours.
Alaska Airlines provides 100% of the nonstop flights from Ontario, CA to Seattle.
35% of all flights from Ontario, CA to Seattle leave during morning hours.
The largest aircraft flying nonstop from Ontario, CA to Seattle is the Boeing 737-900 (Winglets) with 181 seats.
Only one airline operates between Ontario, CA and Seattle.
The quickest nonstop flight from Ontario, CA to Seattle lasts 2:35.
The shortest nonstop flight between Ontario, CA and Seattle is 955 miles.
2,698 seats are available per week to fly direct from Ontario, CA to Seattle.

Daily Non-stop Flight Schedules from Ontario International to Seattle - Tacoma (Sea-Tac)

Earliest Flight
Latest Flight
6:00 AM
5:30 PM

Cheap Domestic Flights to Seattle - SEA

Lowest Price
Virgin America, Hawaiian, Delta, US Airways, Alaska, United, American, Frontier
Delta, United, US Airways, American, JetBlue, Frontier, Virgin America, Alaska
US Airways, United, Delta, Alaska, American, Virgin America, Frontier
Alaska, Delta, Frontier, American, US Airways, AirTran, United
US Airways, American, Alaska, United, Delta
JetBlue, American, US Airways, Alaska, Delta
US Airways, Alaska, Frontier, American, United
Delta, Alaska, United, Virgin America, Frontier, US Airways
United, US Airways
US Airways, United
Spirit, Virgin America, Boutique, Alaska, United, Delta, US Airways, Hawaiian, American
Virgin America, Frontier, US Airways, Hawaiian, Spirit, American, United, Delta, Alaska
Sun Country, United, Alaska, US Airways, Spirit, Hawaiian, JetBlue, Frontier, Virgin America, AirTran, American
Sun Country, Alaska, AirTran, Virgin America, Frontier, Spirit, American, United, Delta, US Airways
United, Delta, American, Hawaiian, Virgin America, US Airways, Alaska
US Airways, Virgin America, American, Spirit, JetBlue, Frontier, United, Alaska, Delta
Frontier, Alaska, Delta, US Airways, United, American, Spirit
US Airways, Virgin America, Spirit, Boutique, Alaska, United, Delta, American, Hawaiian
Delta, Frontier, Alaska
Frontier, Virgin America, Spirit, Sun Country, US Airways, American, Delta, United, Alaska
Alaska, US Airways, Virgin America, United, Delta, American, Hawaiian, Spirit
Delta, Frontier, Alaska
Alaska, AirTran, Frontier, Spirit, US Airways, American, Delta, United

Cheap International Flights to Seattle - SEA

Lowest Price
Air Canada, United, Delta, Alaska, WestJet, US Airways, American
American, WestJet, US Airways, Alaska, Air Canada, United, Delta
Air Canada, United, Alaska, WestJet, Delta
United, Air Canada, Alaska, American, US Airways, WestJet, Delta
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Cheap Flights from Ontario to Seattle, from $173 Round trip from ONT to SEA