San Francisco (SFO) to Boston (BOS) flight deal in economy from $245
SFOSan Francisco International Airport
San Francisco, United States
BOSLogan International Airport
Boston, United States
$424 USD
-42%$245 USD
Verified 13 days agoAugust 2026
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Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price
Monday, August 31st, 2026
5 round-trip options
Returning
Sat, Sep 5, 2026•5 Day Trip
$286 USD
Returning
Sun, Sep 6, 2026•6 Day Trip
$317 USD
Returning
Thu, Sep 10, 2026•10 Day Trip
$337 USD
Returning
Sat, Sep 12, 2026•12 Day Trip
$312 USD
Returning
Mon, Sep 14, 2026•14 Day Trip
$337 USD