Flights from Boston to Seattle from $ 257* or from $/mo

Featured daily fares for flights from Boston (BOS) to Seattle (SEA)

$ 179
Displaying fares for May-2025
29

Th

MAY

07

Sa

01

Tu

JUL

06

We

01

Mo

SEP

01

We

OCT

01

Sa

NOV

01

Mo

DEC

01

Th

JAN

01

Su

FEB

01

Su

MAR

01

We

APR

Range$ 179-$ 663