Boston (BOS) to San Francisco (SFO) flight deal in economy from $245
BOSLogan International Airport
Boston, United States
SFOSan Francisco International Airport
San Francisco, United States
$409 USD
-40%$245 USD
Verified 14 days agoAugust 2026
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Extremely Rare Availability
2% of dates checked are available within 10% of the lowest price
Sunday, August 9th, 2026
7 round-trip options
Returning
Sat, Aug 15, 2026•6 Day Trip
$645 USD
Returning
Mon, Aug 17, 2026•8 Day Trip
$625 USD
Returning
Tue, Aug 18, 2026•9 Day Trip
$604 USD
Returning
Wed, Aug 19, 2026•10 Day Trip
$649 USD
Returning
Thu, Aug 20, 2026•11 Day Trip
$780 USD
Returning
Sat, Aug 22, 2026•13 Day Trip
$721 USD
Returning
Sun, Aug 23, 2026•14 Day Trip
$631 USD