Seattle to Boston

SEABOS

Fly from Seattle to Boston starting at USD 164 with Alaska Airlines.Best fare available on Jul 26, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to Boston cheapest flights this week

21 Jul
Alaska Airlines
15:36SEA
20:59BOS
DirectUSD 211VIEW DEAL
22 Jul
American Airlines
05:10SEA
15:04BOS
1 StopUSD 196VIEW DEAL
22 Jul
United Airlines
10:29SEA
22:11BOS
1 StopUSD 201VIEW DEAL
26 Jul
JetBlue Airways
23:46SEA
05:04BOS
DirectUSD 244VIEW DEAL
26 Jul
Alaska Airlines
23:18SEA
04:40BOS
DirectUSD 164VIEW DEAL
29 Jul
Alaska Airlines
08:23SEA
13:53BOS
DirectUSD 186VIEW DEAL
2 Aug
Alaska Airlines
06:03SEA
11:23BOS
DirectUSD 248VIEW DEAL
4 Aug
Southwest Airlines
08:15SEA
21:25BOS
1 StopUSD 178VIEW DEAL
5 Aug
Southwest Airlines
08:30SEA
21:25BOS
1 StopUSD 178VIEW DEAL
5 Aug
United Airlines
10:29SEA
22:11BOS
1 StopUSD 182VIEW DEAL

Seattle to Boston monthly flight fare trend

Jul
from USD 164
Aug
from USD 141
Sep
No flights
Oct
No flights
Nov
No flights
Dec
No flights

Airport Details

Origin

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

Destination

Boston

Logan International Airport (BOS)

Boston, BOS
Zone

New York

Elev

20 ft

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