San Francisco (SFO) to Boston (BOS) flight deal in economy from $245
SFOSan Francisco International Airport
San Francisco, United States
BOSLogan International Airport
Boston, United States
$424 USD
-42%$245 USD
Verified 13 days agoOctober 2026
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Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price
Tuesday, October 6th, 2026
5 round-trip options
Returning
Sun, Oct 11, 2026•5 Day Trip
$447 USD
Returning
Mon, Oct 12, 2026•6 Day Trip
$482 USD
Returning
Tue, Oct 13, 2026•7 Day Trip
$312 USD
Returning
Fri, Oct 16, 2026•10 Day Trip
$322 USD
Returning
Sun, Oct 18, 2026•12 Day Trip
$530 USD