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
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Extremely Rare Availability
2% of dates checked are available within 10% of the lowest price
Saturday, August 15th, 2026
10 round-trip options
Returning
Thu, Aug 20, 2026•5 Day Trip
$665 USD
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Fri, Aug 21, 2026•6 Day Trip
$587 USD
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Sat, Aug 22, 2026•7 Day Trip
$638 USD
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Sun, Aug 23, 2026•8 Day Trip
$547 USD
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Mon, Aug 24, 2026•9 Day Trip
$517 USD
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Tue, Aug 25, 2026•10 Day Trip
$487 USD
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Wed, Aug 26, 2026•11 Day Trip
$518 USD
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Thu, Aug 27, 2026•12 Day Trip
$516 USD
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Fri, Aug 28, 2026•13 Day Trip
$548 USD
Returning
Sat, Aug 29, 2026•14 Day Trip
$517 USD