Cheap flights from Seattle to Nantucket from CA $111

View CA $111 flight on Thu, Mar. 27, 2025Opens in a new window

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Cheap flights from Seattle (SEA) to Nantucket (ACK)

Prices were available within the past 7 days and start at CA $111 for one-way flights and CA $222 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu., Feb. 27 - Mon., Mar. 3
SEA
Seattle
BOS
Boston
CA $222 Roundtrip, found 6 hours ago
CA $222
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Thu., Feb. 27 from Seattle to Boston, returning Mon., Mar. 3, priced at CA $222 found 6 hours ago
JetBlue Airways
Tue., Apr. 1 - Mon., Apr. 7
SEA
Seattle
BOS
Boston
CA $222 Roundtrip, found 3 hours ago
CA $222
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Tue., Apr. 1 from Seattle to Boston, returning Mon., Apr. 7, priced at CA $222 found 3 hours ago
Hawaiian Airlines
Wed., Apr. 2 - Mon., Apr. 7
SEA
Seattle
BOS
Boston
CA $222 Roundtrip, found 3 hours ago
CA $222
Roundtrip
found 3 hours ago
Select Hawaiian Airlines flight, departing Wed., Apr. 2 from Seattle to Boston, returning Mon., Apr. 7, priced at CA $222 found 3 hours ago
Alaska Airlines
Thu., Feb. 27 - Mon., Mar. 3
SEA
Seattle
BOS
Boston
CA $222 Roundtrip, found 6 hours ago
CA $222
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Thu., Feb. 27 from Seattle to Boston, returning Mon., Mar. 3, priced at CA $222 found 6 hours ago
American Airlines
Thu., Feb. 27 - Mon., Mar. 3
SEA
Seattle
BOS
Boston
CA $238 Roundtrip, found 6 hours ago
CA $238
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Thu., Feb. 27 from Seattle to Boston, returning Mon., Mar. 3, priced at CA $238 found 6 hours ago
Delta
Mon., Mar. 3 - Mon., Mar. 10
SEA
Seattle
BOS
Boston
CA $274 Roundtrip, found 2 days ago
CA $274
Roundtrip
found 2 days ago
Select Delta flight, departing Mon., Mar. 3 from Seattle to Boston, returning Mon., Mar. 10, priced at CA $274 found 2 days ago
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