$214 Cheap Flights from San Francisco (SFO) to London (LHR)

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Cheap Flights from San Francisco Intl. to Heathrow

Prices were available within the past 7 days and start at $214 for one-way flights and $540 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
TAP Portugal
Virgin Atlantic
Turkish Airlines
British Airways
British Airways
Austrian Airlines
Air France
Bargain Flight
Swiss International Air Lines
Air Canada
Virgin Atlantic
Air Canada
Flights from San Francisco (SFO) to London (LHR)
Origin airport
San Francisco Intl.
Destination airport
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic, WestJet
Roundtrip price
5354 mi

San Francisco to London Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from San Francisco to London offer the perfect respite. Not only does exploring London provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from San Francisco to London may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from SFO to LHR today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of London are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to London more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to London is $214 now!

Frequently asked questions

How much is a flight from San Francisco Intl. Airport (SFO) to Heathrow Airport?
Round-trip tickets from San Francisco Intl. Airport (SFO) to London Heathrow start from $540. 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.
Do I need to pay a cancellation fee if I cancel my flight from San Francisco Intl. Airport (SFO) to LHR?
Most flights can be canceled 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.
How do I find cheap flights from SFO to London Heathrow that have flexible change policies?
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.
How many hours is the flight from SFO to Heathrow Airport (LHR)?
Make the 10 hours and 27 minutes between SFO and Heathrow Airport (LHR) as comfortable as possible. Bring the essentials, like your toothbrush, medication and a neck pillow, and simply enjoy the flight!
How far is the flight from San Francisco Intl. Airport (SFO) to Heathrow Airport?
With around 5345 mi separating San Francisco Airport and London Heathrow, your flight will be a long one. Pack wisely and make your trip comfortable. Simple things like warm clothes and a good travel pillow should be in your carry-on bag.
Which airlines fly direct from SFO to London Heathrow?
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.
Are San Francisco Airport to Heathrow Airport flight tickets cheaper when they're purchased at the last minute?
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.
Can I fly from SFO to Heathrow Airport (LHR) right now?
To see what travel restrictions and quarantine requirements are in place for different citizens flying from San Francisco Airport to Heathrow Airport (LHR) please visit our COVID 19 travel advisor portal link.
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