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 agoDecember 2026
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Rare Availability
5% of dates checked are available within 10% of the lowest price
Tuesday, December 22nd, 2026
4 round-trip options
Returning
Wed, Dec 30, 2026•8 Day Trip
$967 USD
Returning
Thu, Dec 31, 2026•9 Day Trip
$659 USD
Returning
Fri, Jan 1, 2027•10 Day Trip
$659 USD
Returning
Tue, Jan 5, 2027•14 Day Trip
$617 USD