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

Search over 1,000,000 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 Flights from London to San Francisco

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

London to San Francisco route information

Origin Airport Heathrow
Destination Airport San Francisco Intl.
Airlines Serving Aer Lingus, Aeromexico, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, SAS, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Flight Price £288
Distance 8,567 km

London

£294.52

£318.65

£320.31

£1,159.86

Cheap LHR to SFO Flights

  • Question : How long is the flight from LHR to SFO?
    Answer : This direct flight will whoosh you away to your destination in 11 hours via Virgin Atlantic. If you catch the 2:50 PM BST departure, you'll arrive at 5:50 PM PDT. You'll have plenty of time to freshen up before your upcoming appointment (don't forget, there is an eight-hour time difference).
  • Question : Can I change the date of my flight?
    Answer : You sure can and you may save yourself some money by changing when you leave. The lowest-cost day to fly in May is Saturday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.
  • Question : Do some days of the week have more flight times than others?
    Answer : The day with the most departure times for this route is Thursday with 10 options. The day with the least amount of times is Wednesday with only nine options.
  • Question : How long does it take to fly from London to San Francisco?
    Answer : This flight takes just about 11 hours via Virgin Atlantic. Until we get the glitches sorted out of our teleportation machine, this is still the one of the fastest ways to get from London to San Francisco (don't forget, there is a time change of eight hours).
  • Question : What is the cheapest day to fly?
    Answer : The cheapest day to fly from London to San Francisco is on Saturday. If you would like to save some cash on your next holiday look for flights on Saturday.
  • Question : Which airline has the least delays from London to San Francisco?
    Answer : Booking with United Airlines means you will arrive to San Francisco about the time you were supposed to. In fact, this airline has an 87% on-time average. It never hurts to be prepared. If you should choose this airline, be sure to track the flight status to stay on top of the departure time.
  • Question : How many flights are there per day from London to San Francisco?
    Answer : Of course, the day of the week matters, but on average, nine different flight times exist when you fly from LHR to SFO. You’ll have more choices on this route than most others departing the United Kingdom.

May 1, 2019

The only downside was the waiting time going through customs when we landed at San Francisco

May 1, 2019

Slight irritation with passengers in front extending their seats to maximum. After request one did go forward

Mar 30, 2019

Good flight

Mar 19, 2019

Everyone at United has been lovely so far.

Mar 16, 2019

Meals provided were too fancy for my wife - I however enjoyed them!

Mar 12, 2019

Jumbo jets need updating,starting to look outdated.

Feb 24, 2019

Only problem was passport control line at SFO which took over two hours to clear.

Feb 15, 2019

No USB ports

Jan 30, 2019

A good flight for over ten hours

Jan 25, 2019

The beef was tough