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Cheap Flights from London to San Francisco $589.34

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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 : Which airline is struggling to get to San Francisco on time?
Answer : Virgin Atlantic is delayed on 57% of flights from London Heathrow Airport (LHR) to San Francisco International Airport (SFO). If you should choose this airline, be sure to track the flight status to stay on top of the departure time.

Question : Is price more important than specific travel days for you?
Answer : In December, Friday is your lowest-cost day to fly. Flexibility is paramount when booking travel plans in order to keep costs down.

Question : Which airline has been on schedule from London Heathrow Airport (LHR) to San Francisco International Airport (SFO) the most?
Answer : The current leader is United Airlines with a 66% on-time rate. Don't spend more time waiting in an airport than you have to; stick with United Airlines on this route. If they are delayed for some reason though, the average delay time is 20-30 minutes.

Question : Do prices fluctuate more for this route than others?
Answer : Prices for this trip tend to change much more than others. However, the sooner you book, the better price you tend to get.

Question : Looking for the quickest flight from LHR to SFO?
Answer : The shortest direct flight is 45 minutes via United Airlines. If you catch the 1:35 PM GMT departure, you'll arrive at 4:20 PM PST (remember, there is an eight-hour time difference).

Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : Since low prices are preferred, look at December 27th. As of November 28th, the cheapest ticket sales are coming in 34% below the average price for this route, so you can spend that extra money on an adventure in San Francisco.