$409 Cheap Delta flights Seattle (SEA) to Boston (BOS)

$409 Cheap Delta flights Seattle (SEA) to Boston (BOS)

Prices were available within the past 7 days and start at $409 for one-way flights and $257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Mar 23 - Sat, Mar 28

SEA

Seattle

BOS

Boston

$257 Roundtrip, found 14 hours ago

$257

Roundtrip

found 14 hours ago

Select Delta flight, departing Mon, Mar 23 from Seattle to Boston, returning Sat, Mar 28, priced at $257 found 14 hours ago

Sat, Mar 21 - Wed, Mar 25

SEA

Seattle

BOS

Boston

$307 Roundtrip, found 14 hours ago

$307

Roundtrip

found 14 hours ago

Select Delta flight, departing Sat, Mar 21 from Seattle to Boston, returning Wed, Mar 25, priced at $307 found 14 hours ago