Cheap flights from San Francisco (SFO) to Heathrow (LHR)

Flight FAQs

From San Francisco to Heathrow

What days are nonstop flights available from San Francisco to Heathrow?

Days when nonstop flights are available for this flight are: Monday, Wednesday, Thursday, Saturday.

How popular is this flight route?

The San Francisco to London Heathrow flight path was viewed by 21 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What percent of flights are delayed?

Flights from San Francisco to Heathrow are usually delayed by 36min. so prepare accordingly.

How many passenger seats are available on a flight on this route?

On average, there are a total of 1,908 seats offered from San Francisco to London Heathrow per day.

What is the cheapest airline for this route?

When searching, try setting your filters to view flights for British Airways, as currently they have the cheapest options available from San Francisco to Heathrow. On average you can find 52 flights for this flight path daily.

How long does the flight from San Francisco to Heathrow take?

You can expect a flight time of up to 11 hours for nonstop. Airlines will travel a distance of up to 3,345 miles.

How many flights depart from San Francisco to Heathrow on average per day?

On average 48 flights depart from San Francisco to London Heathrow per day.
Afternoon (Noon - 6pm) - 40% of flight departures
Evening (6pm - Midnight) - 60% of flight departures

Does it rain more in San Francisco or Heathrow?

In San Francisco, there will be greater rainfall in San Francisco compared to Heathrow over the next 15 days.

Is San Francisco weather warmer or cooler than Heathrow?

Our data indicates that the weather will be 77 °F on average in the month of September. The temperature in Heathrow is typically colder than in San Francisco. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.