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
Sunday, October 18th, 2026
6 round-trip options
Returning
Fri, Oct 23, 2026•5 Day Trip
$358 USD
Returning
Sat, Oct 24, 2026•6 Day Trip
$362 USD
Returning
Mon, Oct 26, 2026•8 Day Trip
$377 USD
Returning
Tue, Oct 27, 2026•9 Day Trip
$337 USD
Returning
Sat, Oct 31, 2026•13 Day Trip
$337 USD
Returning
Sun, Nov 1, 2026•14 Day Trip
$402 USD