$384 Cheap United flights San Francisco (SFO) to London (LHR)

View $384 flight on Tue, Aug 26, 2025Opens in a new window

$384 Cheap United flights San Francisco (SFO) to London (LHR)

Prices were available within the past 7 days and start at $384 for one-way flights and $613 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
United
Wed, Jul 30 - Sat, Aug 16
SFO
San Francisco
LHR
London
$613
Roundtrip
Found 14 hours ago
Select United flight, departing Wed, Jul 30 from San Francisco to London, returning Sat, Aug 16, priced at $613 Found 14 hours ago
United
Sun, Sep 28 - Tue, Oct 7
SFO
San Francisco
LHR
London
$619
Roundtrip
Found 6 days ago
Select United flight, departing Sun, Sep 28 from San Francisco to London, returning Tue, Oct 7, priced at $619 Found 6 days ago
United
Wed, Jul 30 - Tue, Aug 19
SFO
San Francisco
LHR
London
$623
Roundtrip
Found 14 hours ago
Select United flight, departing Wed, Jul 30 from San Francisco to London, returning Tue, Aug 19, priced at $623 Found 14 hours ago
United
Wed, Oct 1 - Fri, Oct 10
SFO
San Francisco
LHR
London
$623
Roundtrip
Found 6 days ago
Select United flight, departing Wed, Oct 1 from San Francisco to London, returning Fri, Oct 10, priced at $623 Found 6 days ago
United
Wed, Oct 1 - Fri, Oct 10
SFO
San Francisco
LHR
London
$625
Roundtrip
Found 6 days ago
Select United flight, departing Wed, Oct 1 from San Francisco to London, returning Fri, Oct 10, priced at $625 Found 6 days ago
United
Wed, Oct 1 - Fri, Oct 10
SFO
San Francisco
LHR
London
$629
Roundtrip
Found 6 days ago
Select United flight, departing Wed, Oct 1 from San Francisco to London, returning Fri, Oct 10, priced at $629 Found 6 days ago
United
Wed, Oct 1 - Fri, Oct 10
SFO
San Francisco
LHR
London
$642
Roundtrip
Found 6 days ago
Select United flight, departing Wed, Oct 1 from San Francisco to London, returning Fri, Oct 10, priced at $642 Found 6 days ago
United
Wed, Oct 1 - Fri, Oct 10
SFO
San Francisco
LHR
London
$652
Roundtrip
Found 6 days ago
Select United flight, departing Wed, Oct 1 from San Francisco to London, returning Fri, Oct 10, priced at $652 Found 6 days ago
United
Wed, Jul 30 - Sat, Aug 16
SFO
San Francisco
LHR
London
$667
Roundtrip
Found 14 hours ago
Select United flight, departing Wed, Jul 30 from San Francisco to London, returning Sat, Aug 16, priced at $667 Found 14 hours ago
Flights from San Francisco (SFO) to London (LHR)
Origin airport
San Francisco Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Popular airline
Virgin Atlantic
Distance
8567 km
Average flight time
18 hours 22 mins