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Cheapest Flights from Boston (BOS) to Seattle (SEA)
The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were CA $275 round trip and CA $139 one way. Prices and availability subject to change. Additional terms may apply.
Sat., 7 Dec. - Mon., 9 Dec.
BOS
Boston
SEA
Seattle
CA $275 Roundtrip, found 4 days ago
CA $275
Roundtrip
found 4 days ago
Sat., 7 Dec. - Tue., 10 Dec.
BOS
Boston
SEA
Seattle
CA $276 Roundtrip, found 2 days ago
CA $276
Roundtrip
found 2 days ago
Sat., 14 Dec. - Sat., 18 Jan.
BOS
Boston
SEA
Seattle
CA $277 Roundtrip, found 2 days ago
CA $277
Roundtrip
found 2 days ago
Sat., 7 Dec. - Mon., 9 Dec.
BOS
Boston
SEA
Seattle
CA $289 Roundtrip, found 4 days ago
CA $289
Roundtrip
found 4 days ago
Sat., 7 Dec. - Sat., 7 Dec.
BOS
Boston
SEA
Seattle
CA $290 Roundtrip, found 2 days ago
CA $290
Roundtrip
found 2 days ago
Wed., 11 Dec. - Sun., 15 Dec.
BOS
Boston
SEA
Seattle
CA $291 Roundtrip, found 3 days ago
CA $291
Roundtrip
found 3 days ago
Sat., 7 Dec. - Fri., 13 Dec.
BOS
Boston
SEA
Seattle
CA $303 Roundtrip, found 17 hours ago
CA $303
Roundtrip
found 17 hours ago
Fri., 6 Dec. - Thu., 12 Dec.
BOS
Boston
SEA
Seattle
CA $303 Roundtrip, found 4 days ago
CA $303
Roundtrip
found 4 days ago
Mon., 16 Dec. - Sun., 19 Jan.
BOS
Boston
SEA
Seattle
CA $304 Roundtrip, found 4 days ago
CA $304
Roundtrip
found 4 days ago
Tue., 4 Mar. - Wed., 12 Mar.
BOS
Boston
SEA
Seattle
CA $305 Roundtrip, found 3 days ago
CA $305
Roundtrip
found 3 days ago
Frequently asked questions
Popular Flight Routes from Boston (BOS)
Travelers at BOS love to visit these top cities. Roam to the top destinations from Boston (BOS) 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 To SEA
- WestJet Ottawa to Seattle
- Alaska Airlines Newark Liberty Intl. Airport to Seattle
- Alaska Airlines Calgary to Seattle
- WestJet Kelowna to Seattle
- Alaska Airlines Detroit to Seattle
- WestJet Winnipeg to Seattle
- Air Canada Delhi to Seattle
- Alaska Airlines Victoria to Seattle
- Alaska Airlines New York to Seattle
- WestJet Montreal to Seattle
Most Popular
Flights
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