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 agoOctober 2026
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Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price
Wednesday, October 21st, 2026
5 round-trip options
Returning
Mon, Oct 26, 2026•5 Day Trip
$418 USD
Returning
Tue, Oct 27, 2026•6 Day Trip
$307 USD
Returning
Wed, Oct 28, 2026•7 Day Trip
$297 USD
Returning
Sat, Oct 31, 2026•10 Day Trip
$297 USD
Returning
Mon, Nov 2, 2026•12 Day Trip
$322 USD