฿8,270 Cheap Flights from San Francisco (SFO) to London (LHR)

Round-trip tickets from San Francisco Intl. Airport (SFO) to London Heathrow start from ฿21,400. This is based on fares offered within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.

Most flights can be cancelled online, but each air carrier has different terms and conditions. If you do have to cancel your flight, go to our Customer Service Portal and follow the instructions.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for San Francisco Intl. Airport (SFO) to Heathrow Airport (LHR) flights, you’ll see a “no change fees” filter for you to select.

San Francisco to Hounslow is around 8,600 kilometres, so get ready to spend a while in the air. Don’t forget to pack all the essentials, from your headphones to your hoodie. Take some snacks to munch on throughout your flight too.

A popular airline that flies from SFO to LHR is United Airlines (UA). It offers 60 flights a month. After some more options? Check out the airfares with British Airways (BA). This carrier offers 60 monthly flights between these airports.

Last-minute bookings from San Francisco Intl. Airport (SFO) to London Heathrow can be hit-or-miss. You may be able to score a great bargain, but you could also miss out completely! If you’d prefer to play it safe and start planning your trip early on, Expedia compares flight deals up to a year in advance. Just remember that not all airlines advertise their prices so far in advance. Our advice? Check back often as updates are made frequently.