San Francisco to Boston
SFOBOS
Fly from San Francisco to Boston starting at SAR 581 with F9.
Best fare available on May 10, 2026.
Limited seats. Better plans. Book before it's gone.
San Francisco to Boston cheapest flights this week
24 Apr
F9
22:38SFO
15:47BOS
1 StopSAR 806VIEW DEAL
25 Apr
F9
06:00SFO
17:07BOS
2 StopSAR 1,238VIEW DEAL
2 May
B6
20:25SFO
09:07BOS
DirectSAR 619VIEW DEAL
7 May
UA
16:15SFO
05:10BOS
DirectSAR 746VIEW DEAL
8 May
B6
11:20SFO
00:05BOS
DirectSAR 671VIEW DEAL
10 May
F9
22:15SFO
15:33BOS
2 StopSAR 581VIEW DEAL
17 May
UA
23:20SFO
12:23BOS
DirectSAR 649VIEW DEAL
28 May
UA
08:10SFO
21:04BOS
DirectSAR 656VIEW DEAL
29 May
B6
12:03SFO
00:50BOS
DirectSAR 626VIEW DEAL
25 Jun
F9
20:51SFO
05:27BOS
2 StopSAR 818VIEW DEAL
San Francisco to Boston monthly flight fare trend
Apr
from SAR 806
May
from SAR 581
Jun
from SAR 818
Jul
from SAR 578
Aug
No flights
Sep
No flights
Airport Details
Origin
San Francisco
San Francisco International Airport (SFO)
San Francisco, SFO
Zone
Los Angeles
Elev
13 ft
Destination
Boston
Logan International Airport (BOS)
Boston, BOS
Zone
New York
Elev
20 ft
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