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

Flight FAQs

From San Francisco to Heathrow

Are flight prices decreasing from San Francisco to Heathrow due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Francisco and Heathrow for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from San Francisco to Heathrow for under $300 on Cheapflights?

Yes, there are multiple flights from San Francisco to Heathrow for under $300. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $292, but on average you can expect to pay $330.

Are there nonstop flights from San Francisco to Heathrow for under $600 on Cheapflights?

Cheapflights has at least 3 direct flights from San Francisco to Heathrow under $600. A good price for a nonstop flight from San Francisco to Heathrow is less than $600.

Are there last-minute flights available from San Francisco to Heathrow for under $800?

There are currently 3+ open flights from San Francisco to Heathrow within the next 7 days for less than $800.

How popular is this flight route?

The San Francisco to London Heathrow flight path was viewed by 28 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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.

Does it rain more in San Francisco or Heathrow?

In San Francisco, there will be less rainfall in San Francisco compared to Heathrow over the next 3 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.