San Francisco, CA to London flights from $321

Flights starting at $321. Choose between easyJet, WestJet, or Delta Air Lines to find the best price.

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Cheapest one-way trip

$321

Cheapest nonstop round-trip

$821

Cheapest round-trip

$743

Average round-trip

$969

Includes rare itinerary

Travel hack

One-way trips

Updated:

Round trips

San Francisco SFOLondon LHR

United Airlines

$743
San Francisco SFOLondon LHR

United Airlines

$743

Updated:

5359 miles
Distance
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Travelers usually depart from San Francisco International, San Francisco, CA - Salesforce Plaza, San Francisco, CA Bus Stop, San Francisco, CA Train Station, or San Francisco, CA - Fisherman’s Wharf when they travel from San Francisco to London. Book your trip to arrive at Heathrow, Gatwick, London Stansted, Luton, or London City. The distance between San Francisco and London is 8625 km. The most popular airlines for this route are easyJet, WestJet, Delta Air Lines, United Airlines, and TAP Portugal. San Francisco and London have 394 direct flights per week. When you arrive at London, consider visiting Isle of Wight, St. Paul's Cathedral, Tintern Abbey, United Kingdom, British Museum, Stonehenge, Natural History Museum, Tate Modern, Tower of London, Portsea Island, Canterbury Cathedral, St Fagans: National History Museum, Avebury, St. David's Cathedral, Cardiff, and Roman Baths, Bath.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights1416108141214
Fly direct with

American Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Finnair on Mondays, Tuesdays, Thursdays, Fridays, and Sundays.

British Airways on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Delta Air Lines on Tuesdays, Wednesdays, Thursdays, Fridays, and Saturdays.

Iberia Airlines on Fridays, and Saturdays.

KLM Royal Dutch Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, and Saturdays.

Lufthansa on Mondays, Tuesdays, Wednesdays, Fridays, Saturdays, and Sundays.

Austrian Airlines on Mondays, Tuesdays, Thursdays, Fridays, and Sundays.

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Virgin Atlantic Airways on Mondays, and Sundays.

Check-in for a flight from San Francisco to London

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
easyJetEZYU2YesOpens 720 days before flight
Closes 2 hours before flight
WestJetWJAWSNoOpens 24 days before flight
Closes 1 hours before flight
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
TAP PortugalTAPTPYesOpens 36 days before flight
Closes 1 hours before flight

United Kingdom COVID-19 travel restrictions

Latest COVID-19 travel restrictions in United Kingdom – 12/2022
Your trip summary

Most travelers from San Francisco, SFO can enter London, LHR, but there are restrictions.

Departure

Travel restrictions
  • Travel is allowed
  • Proof of a negative pre-departure COVID-19 test result is not required
  • Quarantine is not required
Visa requirements
  • Visa is not required
Additional information
  • Masks are recommended in certain settings

Return

Travel restrictions
  • Travel is allowed with restrictions for vaccinated travelers
  • Proof of negative pre-departure COVID-19 test results or recovery certificate is not required for United States
  • Quarantine is not required for vaccinated travelers
Visa requirements
  • Visa is not required
Forms and documents
  • Mandatory proof of COVID-19 vaccination for United States
  • Mandatory travel attestation form

Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.

Learn more about COVID-19 restrictions in United Kingdom in our dedicated Stories article.

Frequently asked questions

What is the flight distance between San Francisco and London?
The flight distance between San Francisco and London is 8625 km.
What airlines offer nonstop (direct) flights between San Francisco and London?
Several carriers operate flights between San Francisco and London. Airlines offering nonstop (direct) flights include Virgin Atlantic Airways, American Airlines, British Airways, Lufthansa, Finnair, Austrian Airlines, KLM Royal Dutch Airlines, United Airlines, Iberia Airlines, Delta Air Lines.
What are the most popular routes to and from San Francisco?
Travelers frequently search for route combinations, such as San Francisco and Las Vegas, Paris, Barcelona, Denver, Washington, D.C., Mexico City, Chicago, Guadalajara, Atlanta, Rome, Austin, Lisbon, Madrid, New York, Dublin, Amsterdam, New Orleans, Berlin, Athens, Tahiti.
What are the most popular routes to and from London?
Travelers frequently search for route combinations, such as London and New York, Los Angeles, Boston, Atlanta, Tel Aviv, Chicago, Dallas, Raleigh, Denver, Miami, Washington, D.C., Orlando, Paris, Houston, Minneapolis, Dublin, Seattle, Athens, Austin, Charlotte.
What airports are near San Francisco?
The main airport in San Francisco is San Francisco International. It is also served by San Francisco International, Sacramento International, Oakland International, San Jose International, Stockton Metropolitan, Monterey Regional, Charles M. Schulz–Sonoma County, Merced Regional, Buchanan Field.
What airports are near London?
The main airport in London is Heathrow. It is also served by Birmingham, Bristol, East Midlands, Southampton, Cardiff, Bournemouth, Exeter, Norwich, Humberside, Coventry.
What buses and trains depart from San Francisco?
A number of bus and train companies depart from San Francisco, including Greyhound.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Francisco and London?
Yes, it's possible to combine different modes of transport between San Francisco and London thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between San Francisco and London can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
What is Virtual Interlining and how do I use it?
Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.
Which airlines fly between San Francisco and London?
When's the best time to travel between San Francisco and London?
What flights operate between San Francisco and London?
How many airports are there near San Francisco?
How many airports are there near London?
Is it possible to reach San Francisco by bus or train?
What time do nonstop (direct) flights between San Francisco and London depart?
What time do nonstop (direct) flights between San Francisco and London arrive?
What time do flights between San Francisco and London depart?
What time do flights between San Francisco and London arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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