RM1,626 Cheap Flights from San Francisco (SFO) to London (LHR)

View RM1,626 flight on Tue, 9 Sep 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at RM1,626 for one-way flights and RM2,422 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 25 Aug - Wed, 3 Sep
SFO
San Francisco
LHR
London
RM2,422 Return, found 5 days ago
RM2,422
Return
found 5 days ago
Select Delta flight, departing Mon, 25 Aug from San Francisco to London, returning Wed, 3 Sep, priced at RM2,422 found 5 days ago
Delta
Sat, 18 Oct - Mon, 27 Oct
SFO
San Francisco
LHR
London
RM2,438 Return, found 6 days ago
RM2,438
Return
found 6 days ago
Select Delta flight, departing Sat, 18 Oct from San Francisco to London, returning Mon, 27 Oct, priced at RM2,438 found 6 days ago
British Airways
Mon, 25 Aug - Wed, 3 Sep
SFO
San Francisco
LHR
London
RM2,596 Return, found 5 days ago
RM2,596
Return
found 5 days ago
Select British Airways flight, departing Mon, 25 Aug from San Francisco to London, returning Wed, 3 Sep, priced at RM2,596 found 5 days ago
United
Sat, 18 Oct - Mon, 27 Oct
SFO
San Francisco
LHR
London
RM2,635 Return, found 6 days ago
RM2,635
Return
found 6 days ago
Select United flight, departing Sat, 18 Oct from San Francisco to London, returning Mon, 27 Oct, priced at RM2,635 found 6 days ago
United
Mon, 25 Aug - Wed, 3 Sep
SFO
San Francisco
LHR
London
RM2,712 Return, found 5 days ago
RM2,712
Return
found 5 days ago
Select United flight, departing Mon, 25 Aug from San Francisco to London, returning Wed, 3 Sep, priced at RM2,712 found 5 days ago
United
Mon, 25 Aug - Wed, 3 Sep
SFO
San Francisco
LHR
London
RM2,736 Return, found 5 days ago
RM2,736
Return
found 5 days ago
Select United flight, departing Mon, 25 Aug from San Francisco to London, returning Wed, 3 Sep, priced at RM2,736 found 5 days ago
Air Canada
Sat, 18 Oct - Mon, 27 Oct
SFO
San Francisco
LHR
London
RM2,742 Return, found 6 days ago
RM2,742
Return
found 6 days ago
Select Air Canada flight, departing Sat, 18 Oct from San Francisco to London, returning Mon, 27 Oct, priced at RM2,742 found 6 days ago
Delta
Sat, 18 Oct - Mon, 27 Oct
SFO
San Francisco
LHR
London
RM2,759 Return, found 6 days ago
RM2,759
Return
found 6 days ago
Select Delta flight, departing Sat, 18 Oct from San Francisco to London, returning Mon, 27 Oct, priced at RM2,759 found 6 days ago
United
Sat, 18 Oct - Mon, 27 Oct
SFO
San Francisco
LHR
London
RM2,763 Return, found 6 days ago
RM2,763
Return
found 6 days ago
Select United flight, departing Sat, 18 Oct from San Francisco to London, returning Mon, 27 Oct, priced at RM2,763 found 6 days ago
Air France
Sat, 18 Oct - Mon, 27 Oct
SFO
San Francisco
LHR
London
RM3,186 Return, found 6 days ago
RM3,186
Return
found 6 days ago
Select Air France flight, departing Sat, 18 Oct from San Francisco to London, returning Mon, 27 Oct, priced at RM3,186 found 6 days ago

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

November is typically the cheapest month to fly

From RM 2,157 - RM 4,047 per traveller.

Graph displaying average flight prices per month

San Francisco to London route information
Origin airport
San Francisco Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Swiss International Air Lines, United, WestJet
Return price
RM2,422
Distance
8567 km
Average flight time
18 hours 22 mins

Perfect flights from San Francisco to London

Your Journey from San Francisco to London

Start your unforgettable journey with Expedia. Our broad selection of flights from San Francisco to London caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including United, Air Canada, Delta, British Airways, KLM, Air France. Our selection of flights from San Francisco Intl. to Heathrow caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with San Francisco to London Flights

Experience the joy of finding cheap flights from San Francisco Intl. to Heathrow that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM1,626 and roundtrip prices from RM2,422*.
 

Pre-Flight Essentials

Ensure a smooth journey from San Francisco to London with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant London

Picture yourself stepping off the plane in London and immersing yourself in the unique atmosphere of London. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your San Francisco to London Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from San Francisco to London.
 

Beyond the Flight – Exploring London

With Expedia, your adventure extends beyond the flight. Explore London at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from San Francisco to London with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from San Francisco to London with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 RM2,422. 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 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.
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 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.
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.

Explore a world of travel with Expedia

*Available to Expedia members.