Seattle to Boston
SEABOS
Fly from Seattle to Boston starting at SAR 529 with AA.
Best fare available on Aug 11, 2026.
Limited seats. Better plans. Book before it's gone.
Seattle to Boston cheapest flights this week
27 Apr
AA
18:40SEA
12:04BOS
1 StopSAR 953VIEW DEAL
2 May
AA
13:19SEA
04:25BOS
1 StopSAR 585VIEW DEAL
9 May
AA
23:55SEA
17:11BOS
1 StopSAR 548VIEW DEAL
1 Jun
UA
23:00SEA
15:16BOS
1 StopSAR 581VIEW DEAL
11 Aug
AA
07:40SEA
23:42BOS
1 StopSAR 529VIEW DEAL
12 Aug
UA
22:47SEA
13:23BOS
1 StopSAR 536VIEW DEAL
15 Aug
AA
23:16SEA
16:10BOS
1 StopSAR 773VIEW DEAL
Seattle to Boston monthly flight fare trend
Apr
from SAR 953
May
from SAR 548
Jun
from SAR 581
Jul
No flights
Aug
from SAR 529
Sep
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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