Cheap flights from Boston to Puget Sound from CA $148

View CA $148 flight on Sat, Sep. 20, 2025Opens in a new window

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Cheap flights from Boston (BOS) to Puget Sound (SEA)

Prices were available within the past 7 days and start at CA $148 for one-way flights and CA $296 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue., Oct. 14 - Wed., Oct. 22
BOS
Boston
SEA
Seattle
CA $296 Roundtrip, found 12 hours ago
CA $296
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Tue., Oct. 14 from Boston to Seattle, returning Wed., Oct. 22, priced at CA $296 found 12 hours ago
Alaska Airlines
Tue., Oct. 14 - Wed., Oct. 22
BOS
Boston
SEA
Seattle
CA $297 Roundtrip, found 12 hours ago
CA $297
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Tue., Oct. 14 from Boston to Seattle, returning Wed., Oct. 22, priced at CA $297 found 12 hours ago
Delta
Tue., Oct. 14 - Wed., Oct. 22
BOS
Boston
SEA
Seattle
CA $297 Roundtrip, found 12 hours ago
CA $297
Roundtrip
found 12 hours ago
Select Delta flight, departing Tue., Oct. 14 from Boston to Seattle, returning Wed., Oct. 22, priced at CA $297 found 12 hours ago
Hawaiian Airlines
Wed., Oct. 15 - Tue., Oct. 21
BOS
Boston
SEA
Seattle
CA $297 Roundtrip, found 12 hours ago
CA $297
Roundtrip
found 12 hours ago
Select Hawaiian Airlines flight, departing Wed., Oct. 15 from Boston to Seattle, returning Tue., Oct. 21, priced at CA $297 found 12 hours ago
JetBlue Airways
Tue., Oct. 14 - Wed., Oct. 22
BOS
Boston
SEA
Seattle
CA $297 Roundtrip, found 12 hours ago
CA $297
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Tue., Oct. 14 from Boston to Seattle, returning Wed., Oct. 22, priced at CA $297 found 12 hours ago
American Airlines
Sat., Oct. 4 - Sat., Oct. 11
BOS
Boston
SEA
Seattle
CA $310 Roundtrip, found 1 day ago
CA $310
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat., Oct. 4 from Boston to Seattle, returning Sat., Oct. 11, priced at CA $310 found 1 day ago
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