San Francisco to Boston

SFOBOS

Fly from San Francisco to Boston starting at USD 129 with United Airlines.Best fare available on Aug 25, 2026.Limited seats. Better plans. Book before it's gone.

San Francisco to Boston cheapest flights this week

16 Aug
American Airlines
06:36SFO
18:05BOS
1 StopUSD 179VIEW DEAL
18 Aug
Frontier Airlines
22:35SFO
08:47BOS
1 StopUSD 132VIEW DEAL
19 Aug
JetBlue Airways
15:18SFO
20:59BOS
DirectUSD 184VIEW DEAL
19 Aug
American Airlines
11:45SFO
20:44BOS
1 StopUSD 131VIEW DEAL
20 Aug
Frontier Airlines
22:35SFO
08:47BOS
1 StopUSD 140VIEW DEAL
20 Aug
American Airlines
11:45SFO
20:44BOS
1 StopUSD 161VIEW DEAL
22 Aug
Frontier Airlines
22:35SFO
08:47BOS
1 StopUSD 132VIEW DEAL
23 Aug
Frontier Airlines
22:35SFO
08:47BOS
1 StopUSD 152VIEW DEAL
24 Aug
Frontier Airlines
22:35SFO
08:47BOS
1 StopUSD 140VIEW DEAL
25 Aug
United Airlines
13:15SFO
20:59BOS
DirectUSD 129VIEW DEAL

San Francisco to Boston monthly flight fare trend

Aug
from USD 129
Sep
from USD 95
Oct
from USD 151
Nov
from USD 171
Dec
No flights
Jan
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

Flights from San Francisco

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