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Cheap Flights from San Francisco to London $588.64

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

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

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

Question : How many days should you spend in London?
Answer : The average time spent in London by travelers from San Francisco is about two weeks.

Question : Is the price you found a good deal?
Answer : Prices for this trip tend to fluctuate a lot more than other flights from the United States. They can vary anywhere from $453 to $8,912. Remember, the sooner you book, the better price you tend to get.

Question : How often is the San Francisco International Airport (SFO) to London Heathrow Airport (LHR) route delayed?
Answer : The San Francisco to London route has an 84% on-time rate, ranking in the 78th percentile worldwide in getting their passengers to their destinations on schedule. If a flight is delayed, though, expect an average of about half an hour added to your flight time.

Question : Can you cut down on flight costs by changing the day of the week you travel to London?
Answer : Thursday is your lowest-cost day to fly in May. Flexibility is paramount when booking travel plans in order to keep travel costs down.

Question : What's the likelihood of you being delayed on this route?
Answer : Using the combined on-time percentage and average delay breakdown, San Francisco to London currently has a 4 out of a possible 5 star rating. A 4-star rating means you should feel at ease about getting to London on time.

Question : Should you take that vacation to London in the next 30 days?
Answer : As of Apr 24th, the cheapest day to fly from San Francisco to London is Apr 25th. Tickets are currently being sold for $482, which is 28% below the average price for this route.

Question : Which airline is struggling to get to London on time?
Answer : If you decide to book your flight with British Airways, keep an eye on your departure time. 21% of flights from San Francisco International Airport (SFO) to London Heathrow Airport (LHR) are late.