San Francisco (SFO) to Boston (BOS) flight deal in economy from $245

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesSFO

San Francisco International Airport

San Francisco, United States
United StatesBOS

Logan International Airport

Boston, United States
$424 USD
-42%$245 USD
Verified 14 days ago
Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price

Thursday, January 14th, 2027

5 round-trip options

Returning
Thu, Jan 21, 2027•7 Day Trip
$527 USD
Google Flights
Returning
Fri, Jan 22, 2027•8 Day Trip
$527 USD
Google Flights
Returning
Mon, Jan 25, 2027•11 Day Trip
$527 USD
Google Flights
Returning
Tue, Jan 26, 2027•12 Day Trip
$527 USD
Google Flights
Returning
Wed, Jan 27, 2027•13 Day Trip
$527 USD
Google Flights