Flights From Boston (BOS) to SeaTac (SEA)
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Selected fares from Boston to SeaTac
The cheapest prices found with in the last 7 days for return flights were CA $304 and CA $154 for one-way flights to SeaTac for the period specified. Prices and availability are subject to change. Additional terms apply.
Thu, Apr 2 - Wed, Apr 8
BOS
Logan Intl.
SEA
Seattle - Tacoma Intl.
CA $304 Roundtrip, found 3 days ago
CA $304
Roundtrip
found 3 days ago
Fri, Jun 19 - Wed, Jun 24
BOS
Logan Intl.
SEA
Seattle - Tacoma Intl.
CA $473 Roundtrip, found 17 hours ago
CA $473
Roundtrip
found 17 hours ago
Wed, Jul 1 - Wed, Jul 8
BOS
Logan Intl.
SEA
Seattle - Tacoma Intl.
CA $630 Roundtrip, found 1 day ago
CA $630
Roundtrip
found 1 day ago
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