Cheap flights from San Sebastián to Nantucket from CA $387

View CA $387 flight on Tue, Nov. 25, 2025Opens in a new window

Popular airlines from San Sebastián to Nantucket

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Cheap flights from San Sebastián (EAS) to Nantucket (ACK)

Prices were available within the past 7 days and start at CA $387 for one-way flights and CA $1,079 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Nov. 15 - Tue, Nov. 25
EAS
San Sebastián
BOS
Boston
CA $1,079 Roundtrip, found 8 hours ago
CA $1,079
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sat, Nov. 15 from San Sebastián to Boston, returning Tue, Nov. 25, priced at CA $1,079 found 8 hours ago
American Airlines
Sat, Nov. 15 - Tue, Nov. 25
EAS
San Sebastián
BOS
Boston
CA $1,094 Roundtrip, found 8 hours ago
CA $1,094
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sat, Nov. 15 from San Sebastián to Boston, returning Tue, Nov. 25, priced at CA $1,094 found 8 hours ago
American Airlines
Sat, Nov. 15 - Tue, Nov. 25
EAS
San Sebastián
BOS
Boston
CA $1,132 Roundtrip, found 8 hours ago
CA $1,132
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sat, Nov. 15 from San Sebastián to Boston, returning Tue, Nov. 25, priced at CA $1,132 found 8 hours ago
Iberia
Sat, Nov. 15 - Tue, Nov. 25
EAS
San Sebastián
BOS
Boston
CA $1,262 Roundtrip, found 8 hours ago
CA $1,262
Roundtrip
found 8 hours ago
Select Iberia flight, departing Sat, Nov. 15 from San Sebastián to Boston, returning Tue, Nov. 25, priced at CA $1,262 found 8 hours ago
Iberia
Sat, Nov. 15 - Tue, Nov. 25
EAS
San Sebastián
BOS
Boston
CA $1,277 Roundtrip, found 8 hours ago
CA $1,277
Roundtrip
found 8 hours ago
Select Iberia flight, departing Sat, Nov. 15 from San Sebastián to Boston, returning Tue, Nov. 25, priced at CA $1,277 found 8 hours ago
British Airways
Sat, Nov. 15 - Tue, Nov. 25
EAS
San Sebastián
BOS
Boston
CA $1,284 Roundtrip, found 8 hours ago
CA $1,284
Roundtrip
found 8 hours ago
Select British Airways flight, departing Sat, Nov. 15 from San Sebastián to Boston, returning Tue, Nov. 25, priced at CA $1,284 found 8 hours ago
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