San Francisco to Boston

SFOBOS

Fly from San Francisco to Boston starting at USD 93 with Frontier Airlines.Best fare available on Sep 15, 2026.Limited seats. Better plans. Book before it's gone.

San Francisco to Boston cheapest flights this week

10 Sept
Frontier Airlines
22:05SFO
09:09BOS
1 StopUSD 239VIEW DEAL
11 Sept
American Airlines
11:02SFO
19:29BOS
1 StopUSD 152VIEW DEAL
11 Sept
JetBlue Airways
21:44SFO
03:33BOS
DirectUSD 172VIEW DEAL
11 Sept
Frontier Airlines
12:07SFO
08:59BOS
2 StopUSD 268VIEW DEAL
12 Sept
Frontier Airlines
22:05SFO
09:09BOS
1 StopUSD 233VIEW DEAL
13 Sept
Frontier Airlines
22:05SFO
09:09BOS
1 StopUSD 232VIEW DEAL
15 Sept
Frontier Airlines
22:05SFO
09:09BOS
1 StopUSD 93VIEW DEAL
16 Sept
JetBlue Airways
14:39SFO
20:59BOS
DirectUSD 163VIEW DEAL
23 Sept
JetBlue Airways
10:15SFO
16:00BOS
DirectUSD 169VIEW DEAL
23 Sept
American Airlines
21:29SFO
05:33BOS
1 StopUSD 149VIEW DEAL

San Francisco to Boston monthly flight fare trend

Sep
from USD 93
Oct
from USD 124
Nov
from USD 164
Dec
No flights
Jan
No flights
Feb
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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