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Cheap Flights from London to San Francisco $530.36

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Cheapest Flights from London to San Francisco (LHR to SFO)

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

Interesting Facts About Flights from London to San Francisco (LHR to SFO)

Question : If your plans are flexible, have you considered changing your departure day?
Answer : The lowest-cost day to fly in February is Friday. Having flexibility in your travel plans means you can save, so be sure to plan ahead when possible.

Question : What day in the next four weeks has the best fares?
Answer : As of January 16th, the cheapest day to fly from London to San Francisco is January 25th. Tickets have been sold for 56% below the average price for this route.

Question : On a daily basis, how many different flight times can you take from London Heathrow Airport (LHR) to San Francisco International Airport (SFO)?
Answer : On average, you can expect to see four available departure times for this route. That is lower than the global average of 31.

Question : Which airline is least likely to get you to SFO on time?
Answer : Flights on Virgin Atlantic to San Francisco from London during the last month were delayed 73% of the time. If you're on Virgin Atlantic, be sure to sign up for the delay notifications to stay up to date with your flight's status.

Question : Which day has the most flight time options?
Answer : When you're flying from LHR to SFO, the days with the most flight times are Sunday and Saturday, with 24 different options. The day with the least number of times is Wednesday with 16 options.

Question : Which airline is giving the best deals for round-trip flights from London Heathrow Airport (LHR) to San Francisco International Airport (SFO)?
Answer : Delta Air Lines is offering its passengers the cheapest flights over the next three months.