Cheap Flights from San Francisco (SFO) to London (LHR) from HK$2,014~

View HK$2,014 flight on Fri, 6 Feb 2026Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Heathrow Airport (LHR)

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Find Cheap Flights from San Francisco (SFO) to London (LHR)

Prices were available within the past 7 days and start at HK$2,014 for one-way flights and HK$4,507 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Tue, 10 Mar - Sun, 15 Mar
SFO
San Francisco
LHR
London
HK$4,507 Return, found 5 days ago
HK$4,507
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Tue, 10 Mar from San Francisco to London, returning Sun, 15 Mar, priced at HK$4,507 found 5 days ago
Scandinavian Airlines
Tue, 10 Mar - Mon, 16 Mar
SFO
San Francisco
LHR
London
HK$4,528 Return, found 4 days ago
HK$4,528
Return
found 4 days ago
Select Scandinavian Airlines flight, departing Tue, 10 Mar from San Francisco to London, returning Mon, 16 Mar, priced at HK$4,528 found 4 days ago
Scandinavian Airlines
Tue, 10 Mar - Sun, 15 Mar
SFO
San Francisco
LHR
London
HK$4,537 Return, found 5 days ago
HK$4,537
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Tue, 10 Mar from San Francisco to London, returning Sun, 15 Mar, priced at HK$4,537 found 5 days ago
Scandinavian Airlines
Tue, 10 Mar - Mon, 16 Mar
SFO
San Francisco
LHR
London
HK$4,558 Return, found 4 days ago
HK$4,558
Return
found 4 days ago
Select Scandinavian Airlines flight, departing Tue, 10 Mar from San Francisco to London, returning Mon, 16 Mar, priced at HK$4,558 found 4 days ago
Scandinavian Airlines
Tue, 10 Mar - Sun, 15 Mar
SFO
San Francisco
LHR
London
HK$4,565 Return, found 5 days ago
HK$4,565
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Tue, 10 Mar from San Francisco to London, returning Sun, 15 Mar, priced at HK$4,565 found 5 days ago
United
Wed, 18 Mar - Tue, 31 Mar
SFO
San Francisco
LHR
London
HK$4,804 Return, found 5 days ago
HK$4,804
Return
found 5 days ago
Select United flight, departing Wed, 18 Mar from San Francisco to London, returning Tue, 31 Mar, priced at HK$4,804 found 5 days ago
Virgin Atlantic
Sat, 7 Mar - Sat, 14 Mar
SFO
San Francisco
LHR
London
HK$4,842 Return, found 2 days ago
HK$4,842
Return
found 2 days ago
Select Virgin Atlantic flight, departing Sat, 7 Mar from San Francisco to London, returning Sat, 14 Mar, priced at HK$4,842 found 2 days ago
Swiss International Air Lines
Wed, 11 Mar - Mon, 16 Mar
SFO
San Francisco
LHR
London
HK$5,042 Return, found 5 days ago
HK$5,042
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 11 Mar from San Francisco to London, returning Mon, 16 Mar, priced at HK$5,042 found 5 days ago
United
Mon, 16 Mar - Wed, 25 Mar
SFO
San Francisco
LHR
London
HK$5,057 Return, found 2 days ago
HK$5,057
Return
found 2 days ago
Select United flight, departing Mon, 16 Mar from San Francisco to London, returning Wed, 25 Mar, priced at HK$5,057 found 2 days ago
Lufthansa
Sun, 1 Feb - Tue, 17 Feb
SFO
San Francisco
LHR
London
HK$5,061 Return, found 3 days ago
HK$5,061
Return
found 3 days ago
Select Lufthansa flight, departing Sun, 1 Feb from San Francisco to London, returning Tue, 17 Feb, priced at HK$5,061 found 3 days ago

Find the cheapest month to fly from San Francisco (SFO) to London (LHR)

February is typically the cheapest month to fly

From HK$3,463 - HK$6,320 per traveller.
San Francisco to London route information
Origin airport
San Francisco Intl.
Destination airport
Heathrow
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Lufthansa, Scandinavian Airlines, United, Virgin Atlantic
Return price
HK$4,507
Distance
8567 km
Average flight time
18 hours 28 mins

Flights from San Francisco to London

Book cheap flights from San Francisco (SFO) to London (LHR) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from San Francisco (SFO) to London (LHR) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your San Francisco (SFO) to London (LHR) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your London flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in London and things to do in London for your perfect vacation with Expedia Thing to Do.

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 HK$2,014 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 HK$4,507. 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 far is the flight from SFO to LHR?
San Francisco to Hounslow is around 8,600 kilometers, 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.
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.

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