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Cheap flights from Seattle (SEA) to Nantucket (ACK)
Prices were available within the past 7 days and start at CA $167 for one-way flights and CA $327 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed., May 7 - Mon., May 12
SEA
Seattle
BOS
Boston
CA $327 Roundtrip, found 6 days ago
CA $327
Roundtrip
found 6 days ago

Wed., May 7 - Mon., May 12
SEA
Seattle
BOS
Boston
CA $331 Roundtrip, found 6 days ago
CA $331
Roundtrip
found 6 days ago

Tue., Apr. 8 - Wed., Apr. 9
SEA
Seattle
BOS
Boston
CA $332 Roundtrip, found 6 days ago
CA $332
Roundtrip
found 6 days ago

Mon., Apr. 21 - Sat., Apr. 26
SEA
Seattle
BOS
Boston
CA $338 Roundtrip, found 4 days ago
CA $338
Roundtrip
found 4 days ago

Mon., May 19 - Sat., May 24
SEA
Seattle
BOS
Boston
CA $339 Roundtrip, found 1 day ago
CA $339
Roundtrip
found 1 day ago

Mon., Apr. 28 - Wed., Apr. 30
SEA
Seattle
BOS
Boston
CA $339 Roundtrip, found 1 day ago
CA $339
Roundtrip
found 1 day ago
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