Beginning of main content
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5

Search over 895,000 properties worldwide and 550 airlines worldwide.

Search over a million flights, hotels, packages, and more

No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap SFO to LHR Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

San Francisco to London Route Information
Origin Airport San Francisco Intl.
Destination Airport Heathrow
Flight Price $375
Distance 5,354 mi
Airlines Serving Air Canada, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, Lufthansa, United, Virgin Atlantic






Cheap SFO to LHR Flights

  • Question : Is there a day of the week that has more departure times to choose from than other days?
    Answer : Tuesday has the greatest variety of flight times for San Francisco to London with 13. The day with the least amount of times is Thursday with 10 options.
  • Question : What is the cheapest airline flying from San Francisco to London?
    Answer : Icelandair is the leader in keeping costs down for their passengers over the next three months. Fares are being booked at just $366, which is a steal when compared to the more expensive bookings of $7,988.
  • Question : How much time do people spend in London?
    Answer : The average time spent in London by passengers from San Francisco is about two weeks. However long you decide to stay, give yourself plenty of time to see what makes London fantastic.
  • Question : How much is a plane ticket to London (LHR) from San Francisco (SFO)?
    Answer : Cost can range anywhere from $366 to $7,988, prices for SFO to LHR do change much more than most routes from the United States. Don't forget, the sooner you book, the more you'll be able to save.
  • Question : Can I change the date of my flight?
    Answer : You sure can change your departure date and you may save by changing when you take off. The cheapest day to fly in January is Monday. You may be thinking you're missing out leaving a day earlier, but we see it as just adding those savings towards your next getaway.
  • Question : What is the cheapest day to fly to London?
    Answer : As of Jan 14th, the best day for deals to London (LHR) is Feb 11th. A ticket will cost you $372, which is 61% less than the average price to book the same route.
  • Question : How long does it take to fly from San Francisco to London?
    Answer : If you are flying on Virgin Atlantic, your flight will be just about 10 hours and 10 minutes. For example, if you were to leave San Francisco at 8:05 PM PST, you would arrive in London at 2:15 PM GMT (remember, there is a time change of eight hours).