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Cheapest Flights from Ontario (ONT) to Seattle (SEA)
The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were CA $134 round trip and CA $94 one way. Prices and availability subject to change. Additional terms may apply.
Wed., 26 Jun. - Tue., 2 Jul.
ONT
Ontario
SEA
Seattle
CA $134 Roundtrip, found 5 days ago
CA $134
Roundtrip
found 5 days ago
Wed., 26 Jun. - Mon., 1 Jul.
ONT
Ontario
SEA
Seattle
CA $148 Roundtrip, found 5 days ago
CA $148
Roundtrip
found 5 days ago
Wed., 26 Jun. - Sat., 29 Jun.
ONT
Ontario
SEA
Seattle
CA $162 Roundtrip, found 5 days ago
CA $162
Roundtrip
found 5 days ago
Tue., 25 Jun. - Tue., 2 Jul.
ONT
Ontario
SEA
Seattle
CA $163 Roundtrip, found 5 days ago
CA $163
Roundtrip
found 5 days ago
Mon., 24 Jun. - Tue., 2 Jul.
ONT
Ontario
SEA
Seattle
CA $175 Roundtrip, found 5 days ago
CA $175
Roundtrip
found 5 days ago
Tue., 25 Jun. - Wed., 26 Jun.
ONT
Ontario
SEA
Seattle
CA $177 Roundtrip, found 5 days ago
CA $177
Roundtrip
found 5 days ago
Sat., 22 Jun. - Tue., 2 Jul.
ONT
Ontario
SEA
Seattle
CA $183 Roundtrip, found 5 days ago
CA $183
Roundtrip
found 5 days ago
Mon., 24 Jun. - Wed., 26 Jun.
ONT
Ontario
SEA
Seattle
CA $189 Roundtrip, found 5 days ago
CA $189
Roundtrip
found 5 days ago
Tue., 25 Jun. - Sat., 29 Jun.
ONT
Ontario
SEA
Seattle
CA $190 Roundtrip, found 5 days ago
CA $190
Roundtrip
found 5 days ago
Sat., 22 Jun. - Wed., 26 Jun.
ONT
Ontario
SEA
Seattle
CA $197 Roundtrip, found 5 days ago
CA $197
Roundtrip
found 5 days ago
Frequently asked questions
Popular Flight Routes from Ontario (ONT)
Travelers at ONT love to visit these top cities. Roam to the top destinations from Ontario (ONT) today with the cheap prices from Travelocity!
Popular Flight Routes from Seattle (SEA)
Travelers at SEA love to visit these top cities. Roam to the top destinations from Seattle(SEA) today with the cheap prices from Travelocity!
Top Airlines Routes From ONT
Top Airlines Routes To SEA
- WestJet Ottawa to Seattle
- Alaska Airlines Calgary to Seattle
- WestJet Kelowna to Seattle
- Alaska Airlines Detroit to Seattle
- WestJet Winnipeg to Seattle
- Qatar Airways Delhi to Seattle
- WestJet Québec to Seattle
- Alaska Airlines Victoria to Seattle
- Alaska Airlines New York to Seattle
- WestJet Montreal to Seattle
- WestJet Ottawa to Seattle
- Alaska Airlines Calgary to Seattle
- WestJet Kelowna to Seattle
- Alaska Airlines Detroit to Seattle
- WestJet Winnipeg to Seattle
- Qatar Airways Delhi to Seattle
- WestJet Québec to Seattle
- Alaska Airlines Victoria to Seattle
- Alaska Airlines New York to Seattle
- WestJet Montreal to Seattle
Most Popular
Flights
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