$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 round trip, 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 23 hours ago
$613
Roundtrip
found 23 hours ago
Select United flight, departing Wed, Jul 30 from San Francisco to London, returning Sat, Aug 16, priced at $613 found 23 hours ago
United
Wed, Jul 30 - Tue, Aug 19
SFO
San Francisco
LHR
London
$623 Roundtrip, found 23 hours ago
$623
Roundtrip
found 23 hours ago
Select United flight, departing Wed, Jul 30 from San Francisco to London, returning Tue, Aug 19, priced at $623 found 23 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
United
Distance
8567 km
Average flight time
18 hours 22 mins