Flight United KingdomFlight LondonFlight San Francisco - LondonFlight San Francisco - London with United Airlines

The best airline deals from San Francisco to London right now

San Francisco – London
Outbound – Dec 6, 2026
UASFO
1 stop
12h 40m
DEN
LHR
Return – Dec 22, 2026
UALHR
direct
11h 15m
SFO
$957
3 days ago
San Francisco – London
Outbound – Dec 6, 2026
UASFO
direct
10h 35m
LHR
Return – Dec 22, 2026
UALHR
direct
11h 10m
SFO
$989
2 days ago
San Francisco – London
Outbound – Dec 7, 2026
UASFO
direct
10h 35m
LHR
Return – Dec 22, 2026
UALHR
direct
11h 15m
SFO
$977
3 days ago
San Francisco – London
Outbound – Dec 8, 2026
UASFO
direct
10h 35m
LHR
Return – Dec 22, 2026
UALHR
direct
11h 15m
SFO
$967
yesterday

* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.

What is the price of a flight from San Francisco to London with United Airlines?

  • A round trip flight from San Francisco to London with United Airlines costs on average $911.
  • The lowest price found by Liligo users in the last two months was $656.
  • Currently, on our airline comparison tool, the lowest price for a departure in February, among all available offers, is $656.

Why compare flights from San Francisco to London on Liligo?

To find a flight ticket from San Francisco to London with United Airlines, think about comparing prices before deciding. Liligo compares the prices of airlines in real time, including United Airlines, and online travel agencies. Search to find which site offers the best price for your flight from San Francisco to London.

Flight Information from San Francisco to London

According to our comparison tool data, the most popular airlines for a flight from San Francisco to London are United Airlines.

If you are traveling between San Francisco and London with United Airlines, your departure airport will be: London Heathrow Airport. Once you reach your destination, you will land at San Francisco International Airport.

This information is not available at this time. Search to see the flights offered based on your travel dates.