Boston (BOS) to San Francisco (SFO) flight deal in economy from $297
BOSLogan International Airport
Boston, United States
SFOSan Francisco International Airport
San Francisco, United States
$637 USD
-53%$297 USD
Verified 1 day agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Extremely Rare Availability
2% of dates checked are available within 10% of the lowest price
Friday, August 14th, 2026
10 round-trip options
Returning
Wed, Aug 19, 2026•5 Day Trip
$366 USD
Returning
Thu, Aug 20, 2026•6 Day Trip
$515 USD
Returning
Fri, Aug 21, 2026•7 Day Trip
$437 USD
Returning
Sat, Aug 22, 2026•8 Day Trip
$441 USD
Returning
Sun, Aug 23, 2026•9 Day Trip
$397 USD
Returning
Mon, Aug 24, 2026•10 Day Trip
$367 USD
Returning
Tue, Aug 25, 2026•11 Day Trip
$337 USD
Returning
Wed, Aug 26, 2026•12 Day Trip
$366 USD
Returning
Thu, Aug 27, 2026•13 Day Trip
$366 USD
Returning
Fri, Aug 28, 2026•14 Day Trip
$398 USD