Boston to Seattle

BOSSEA

Fly from Boston to Seattle starting at SAR 773 with American Airlines.Best fare available on Aug 5, 2026.Limited seats. Better plans. Book before it's gone.

Boston to Seattle cheapest flights this week

5 Aug
American Airlines
07:00BOS
19:32SEA
1 StopSAR 773VIEW DEAL
5 Aug
JetBlue Airways
08:10BOS
02:04SEA
1 StopSAR 821VIEW DEAL
5 Aug
Alaska Airlines
07:03BOS
13:26SEA
DirectSAR 895VIEW DEAL
5 Aug
JetBlue Airways
07:09BOS
13:32SEA
DirectSAR 1,110VIEW DEAL
6 Aug
Southwest Airlines
18:40BOS
02:55SEA
1 StopSAR 999VIEW DEAL
6 Aug
JetBlue Airways
06:00BOS
12:04SEA
2 StopSAR 925VIEW DEAL
6 Aug
JetBlue Airways
07:02BOS
12:04SEA
3 StopSAR 947VIEW DEAL
6 Aug
Alaska Airlines
06:03BOS
14:43SEA
1 StopSAR 1,354VIEW DEAL
7 Aug
American Airlines
13:10BOS
23:10SEA
1 StopSAR 818VIEW DEAL
7 Aug
Alaska Airlines
15:26BOS
21:45SEA
DirectSAR 944VIEW DEAL

Boston to Seattle monthly flight fare trend

Aug
from SAR 500
Sep
from SAR 585
Oct
from SAR 562
Nov
No flights
Dec
from SAR 725
Jan
from SAR 770

Airport Details

Origin

Boston

Logan International Airport (BOS)

Boston, BOS
Zone

New York

Elev

20 ft

Destination

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

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