San Francisco to Boston

SFOBOS

Fly from San Francisco to Boston starting at USD 120 with Frontier Airlines.Best fare available on Dec 5, 2026.Limited seats. Better plans. Book before it's gone.

San Francisco to Boston cheapest flights this week

18 Nov
Alaska Airlines
12:13SFO
20:58BOS
1 StopUSD 216VIEW DEAL
20 Nov
JetBlue Airways
06:00SFO
11:31BOS
DirectUSD 357VIEW DEAL
21 Nov
Alaska Airlines
16:23SFO
02:24BOS
1 StopUSD 182VIEW DEAL
30 Nov
Frontier Airlines
18:30SFO
02:16BOS
2 StopUSD 229VIEW DEAL
5 Dec
Frontier Airlines
16:28SFO
04:39BOS
2 StopUSD 120VIEW DEAL
7 Dec
Alaska Airlines
10:40SFO
20:59BOS
1 StopUSD 160VIEW DEAL
8 Dec
Frontier Airlines
16:28SFO
02:58BOS
1 StopUSD 159VIEW DEAL
8 Dec
Southwest Airlines
13:20SFO
20:40BOS
1 StopUSD 154VIEW DEAL
9 Dec
Alaska Airlines
12:39SFO
20:59BOS
1 StopUSD 160VIEW DEAL
9 Dec
Frontier Airlines
16:28SFO
21:17BOS
2 StopUSD 152VIEW DEAL

San Francisco to Boston monthly flight fare trend

Nov
from USD 182
Dec
from USD 120
Jan
No flights
Feb
No flights
Mar
No flights
Apr
from USD 189

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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