Cheap flights from London, United Kingdom to San Francisco, CA

Flights starting at £397. Choose between American Airlines, United Airlines, or Ryanair to find the best price.

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Cheapest one-way trip

Cheapest round-trip

Average round-trip

Includes rare itinerary

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Nonstop flights in September

One-way trips

Round trips

London LHRSan Francisco SFO
£438
London LHRSan Francisco SFO
£445
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Travelers usually depart from Gatwick, Heathrow, London Stansted, Luton, or London City when they travel from London to San Francisco. Book your trip to arrive at San Francisco International, San Francisco, CA Train Station, or San Francisco, CA - Fisherman’s Wharf. The distance between London and San Francisco is 8625 km. The most popular airlines for this route are American Airlines, United Airlines, Ryanair, Delta Air Lines, and Iberia Airlines. London and San Francisco have 401 direct flights per week. When you arrive at San Francisco, consider visiting Alcatraz, Golden Gate Bridge, and Big Sur.

Weekly direct flights

Discover the top airlines offering direct flights from London to San Francisco in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Mon 18.09 - Sun 24.09

AirlineMon 18.09Tue 19.09Wed 20.09Thu 21.09Fri 22.09Sat 23.09Sun 24.09
3312321
1212221
12---2211
---1---------11
---------------------
---------------------

Weekly direct flights for Mon 25.09 - Sun 01.10

AirlineMon 25.09Tue 26.09Wed 27.09Thu 28.09Fri 29.09Sat 30.09Sun 01.10
3333133
1222222
12222---1
---------11---1
---------------------
---------------------

Weekly direct flights for Mon 02.10 - Sun 08.10

AirlineMon 02.10Tue 03.10Wed 04.10Thu 05.10Fri 06.10Sat 07.10Sun 08.10
3333333
2222221
22122---1
12---11---1
---------------------
---------------------

Weekly direct flights for Mon 09.10 - Sun 15.10

AirlineMon 09.10Tue 10.10Wed 11.10Thu 12.10Fri 13.10Sat 14.10Sun 15.10
3333322
2222122
---222212
---1------1---1
---------------------
---------------------

Check-in for a flight from London to San Francisco

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
American AirlinesAALAANoNo
United AirlinesUALUAYesNo
RyanairRYRFRNoOpens 24 days before flight
Closes 2 hours before flight
Delta Air LinesDALDLNoOpens 24 days before flight
Closes 1 hours before flight
Iberia AirlinesIBEIBYesOpens 24 days before flight
Closes 3 hours before flight

San Francisco travel tips

1) Start your San Francisco exploration from Union Square
2) There are two airports near San Francisco, so look carefully at the name on the ticket
3) Combine dinner and movie watching in an atmospheric venue in San Francisco

United States COVID-19 travel restrictions

Your trip summary

Departure

Travel restrictions
  • Travel is allowed
  • Proof of pre-departure COVID-19 test is not required
  • Quarantine is not required
Visa requirements
  • Electronic Travel Authorization (ESTA)

Return

Travel restrictions
  • Travel is allowed
  • Proof of pre-departure COVID-19 test is not required
  • Quarantine is not required
Visa requirements
  • Electronic Travel Authorization (ESTA)

Frequently asked questions

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