$130 Cheap United flights Boston (BOS) to San Francisco (SFO)

View $130 flight on Sun, Aug 24, 2025Opens in a new window

$130 Cheap United flights Boston (BOS) to San Francisco (SFO)

Prices were available within the past 7 days and start at $130 for one-way flights and $259 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
United
Fri, Sep 5 - Fri, Sep 12
BOS
Boston
SFO
San Francisco
$259
Roundtrip
Found 1 day ago
Select United flight, departing Fri, Sep 5 from Boston to San Francisco, returning Fri, Sep 12, priced at $259 Found 1 day ago
United
Fri, Sep 5 - Fri, Sep 12
BOS
Boston
SFO
San Francisco
$269
Roundtrip
Found 1 day ago
Select United flight, departing Fri, Sep 5 from Boston to San Francisco, returning Fri, Sep 12, priced at $269 Found 1 day ago
United
Tue, Aug 12 - Tue, Aug 19
BOS
Boston
SFO
San Francisco
$276
Roundtrip
Found 3 days ago
Select United flight, departing Tue, Aug 12 from Boston to San Francisco, returning Tue, Aug 19, priced at $276 Found 3 days ago
United
Fri, Sep 5 - Fri, Sep 12
BOS
Boston
SFO
San Francisco
$293
Roundtrip
Found 1 day ago
Select United flight, departing Fri, Sep 5 from Boston to San Francisco, returning Fri, Sep 12, priced at $293 Found 1 day ago
United
Fri, Sep 5 - Fri, Sep 12
BOS
Boston
SFO
San Francisco
$296
Roundtrip
Found 1 day ago
Select United flight, departing Fri, Sep 5 from Boston to San Francisco, returning Fri, Sep 12, priced at $296 Found 1 day ago
United
Fri, Sep 5 - Fri, Sep 12
BOS
Boston
SFO
San Francisco
$298
Roundtrip
Found 1 day ago
Select United flight, departing Fri, Sep 5 from Boston to San Francisco, returning Fri, Sep 12, priced at $298 Found 1 day ago
Flights from Boston (BOS) to San Francisco (SFO)
Origin airport
Logan Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, JetBlue Airways, United
Popular airline
JetBlue Airways
Distance
4315 km
Average flight time
3 hours 35 mins