Seattle to Boston

SEABOS

Fly from Seattle to Boston starting at USD 202 with Alaska Airlines.Best fare available on Nov 13, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to Boston cheapest flights this week

13 Nov
08:47SEA
14:17BOS
DirectUSD 202VIEW DEAL
17 Nov
09:15SEA
17:08BOS
1 StopUSD 290VIEW DEAL
26 Nov
06:39SEA
14:52BOS
1 StopUSD 285VIEW DEAL
1 Dec
18:30SEA
16:50BOS
1 StopUSD 232VIEW DEAL
1 Jan
18:54SEA
03:20BOS
1 StopUSD 243VIEW DEAL
1 Jan
19:10SEA
02:54BOS
1 StopUSD 231VIEW DEAL
8 Jan
06:55SEA
13:55BOS
1 StopUSD 222VIEW DEAL
1 Feb
10:05SEA
14:03BOS
1 StopUSD 222VIEW DEAL
1 Mar
15:35SEA
20:59BOS
DirectUSD 236VIEW DEAL
1 May
15:35SEA
20:59BOS
DirectUSD 236VIEW DEAL

Seattle to Boston monthly flight fare trend

Nov
from USD 202
Dec
from USD 232
Jan
from USD 222
Feb
from USD 222
Mar
from USD 236
Apr
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