San Francisco (SFO) to Boston (BOS) flight deal in economy from $257
SFOSan Francisco International Airport
San Francisco, United States
BOSLogan International Airport
Boston, United States
$457 USD
-44%$257 USD
Verified 14 days agoOctober 2026
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Rare Availability
5% of dates checked are available within 10% of the lowest price
Friday, October 16th, 2026
6 round-trip options
Returning
Wed, Oct 21, 2026•5 Day Trip
$303 USD
Returning
Thu, Oct 22, 2026•6 Day Trip
$347 USD
Returning
Sat, Oct 24, 2026•8 Day Trip
$322 USD
Returning
Sun, Oct 25, 2026•9 Day Trip
$402 USD
Returning
Thu, Oct 29, 2026•13 Day Trip
$303 USD
Returning
Fri, Oct 30, 2026•14 Day Trip
$303 USD