Boston (BOS) to San Francisco (SFO) flight deal in economy from $363

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesBOS

Logan International Airport

Boston, United States
United StatesSFO

San Francisco International Airport

San Francisco, United States
$450 USD
-19%$363 USD
Verified 1 day ago
Good Availability
50% of dates checked are available within 10% of the lowest price

Wednesday, June 17th, 2026

10 round-trip options

Returning
Mon, Jun 22, 2026•5 Day Trip
$457 USD
Google Flights
Returning
Tue, Jun 23, 2026•6 Day Trip
$452 USD
Google Flights
Returning
Wed, Jun 24, 2026•7 Day Trip
$561 USD
Google Flights
Returning
Thu, Jun 25, 2026•8 Day Trip
$550 USD
Google Flights
Returning
Fri, Jun 26, 2026•9 Day Trip
$435 USD
Google Flights
Returning
Sat, Jun 27, 2026•10 Day Trip
$467 USD
Google Flights
Returning
Sun, Jun 28, 2026•11 Day Trip
$546 USD
Google Flights
Returning
Mon, Jun 29, 2026•12 Day Trip
$467 USD
Google Flights
Returning
Tue, Jun 30, 2026•13 Day Trip
$462 USD
Google Flights
Returning
Wed, Jul 1, 2026•14 Day Trip
$495 USD
Google Flights