S$558 Cheap Flights from London to San Francisco

View S$558 flight on Sun, 2 Nov, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at S$558 for one-way flights and S$678 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Sat, 1 Nov - Mon, 17 Nov
LHR
London
SFO
San Francisco
S$678 Return, found 5 days ago
S$678
Return
found 5 days ago
Select Virgin Atlantic flight, departing Sat, 1 Nov from London to San Francisco, returning Mon, 17 Nov, priced at S$678 found 5 days ago
Delta
Sat, 1 Nov - Mon, 17 Nov
LHR
London
SFO
San Francisco
S$678 Return, found 5 days ago
S$678
Return
found 5 days ago
Select Delta flight, departing Sat, 1 Nov from London to San Francisco, returning Mon, 17 Nov, priced at S$678 found 5 days ago
Virgin Atlantic
Thu, 4 Dec - Mon, 8 Dec
LHR
London
SFO
San Francisco
S$686 Return, found 2 days ago
S$686
Return
found 2 days ago
Select Virgin Atlantic flight, departing Thu, 4 Dec from London to San Francisco, returning Mon, 8 Dec, priced at S$686 found 2 days ago
Virgin Atlantic
Sun, 2 Nov - Sun, 16 Nov
LHR
London
SFO
San Francisco
S$701 Return, found 5 days ago
S$701
Return
found 5 days ago
Select Virgin Atlantic flight, departing Sun, 2 Nov from London to San Francisco, returning Sun, 16 Nov, priced at S$701 found 5 days ago
Virgin Atlantic
Thu, 4 Dec - Mon, 8 Dec
LHR
London
SFO
San Francisco
S$707 Return, found 2 days ago
S$707
Return
found 2 days ago
Select Virgin Atlantic flight, departing Thu, 4 Dec from London to San Francisco, returning Mon, 8 Dec, priced at S$707 found 2 days ago
Delta
Thu, 4 Dec - Mon, 8 Dec
LHR
London
SFO
San Francisco
S$709 Return, found 2 days ago
S$709
Return
found 2 days ago
Select Delta flight, departing Thu, 4 Dec from London to San Francisco, returning Mon, 8 Dec, priced at S$709 found 2 days ago
American Airlines
Sat, 14 Feb - Sun, 22 Feb
LHR
London
SFO
San Francisco
S$715 Return, found 3 days ago
S$715
Return
found 3 days ago
Select American Airlines flight, departing Sat, 14 Feb from London to San Francisco, returning Sun, 22 Feb, priced at S$715 found 3 days ago
KLM
Thu, 4 Dec - Mon, 8 Dec
LHR
London
SFO
San Francisco
S$748 Return, found 2 days ago
S$748
Return
found 2 days ago
Select KLM flight, departing Thu, 4 Dec from London to San Francisco, returning Mon, 8 Dec, priced at S$748 found 2 days ago
British Airways
Sat, 14 Feb - Sun, 22 Feb
LHR
London
SFO
San Francisco
S$760 Return, found 3 days ago
S$760
Return
found 3 days ago
Select British Airways flight, departing Sat, 14 Feb from London to San Francisco, returning Sun, 22 Feb, priced at S$760 found 3 days ago
Air France
Thu, 4 Dec - Mon, 8 Dec
LHR
London
SFO
San Francisco
S$763 Return, found 2 days ago
S$763
Return
found 2 days ago
Select Air France flight, departing Thu, 4 Dec from London to San Francisco, returning Mon, 8 Dec, priced at S$763 found 2 days ago

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

January is typically the cheapest month to fly

From S$597 - S$1,265 per traveller.

Frequently asked questions

How much is a flight from Heathrow Airport to San Francisco Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight between LHR and San Francisco Intl. Airport (SFO) was S$678. Great fares don't last long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London Heathrow to San Francisco Intl. Airport (SFO)?
Most flights can be cancelled online, but each airline has its own set of 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 Heathrow Airport (LHR) to SFO 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 London Heathrow to San Francisco Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Heathrow Airport to San Francisco Intl. Airport (SFO)?
With around 8,600 kilometres separating Heathrow Airport (LHR) and SFO, your flight will be a long one. Pack wisely to make your journey comfortable. Simple things like warm clothing and some noise-cancelling headphones can make a huge difference.
Which airlines fly direct from London Heathrow to SFO?
United Airlines (UA) is one of the preferred choices for travellers jetting between LHR and San Francisco Intl. Airport (SFO). Take your pick of the 60 flights it operates on this route each month. You could also check out the fares on offer with British Airways (BA). This carrier operates 60 flights a month between Hounslow and San Francisco.
Are Heathrow Airport to San Francisco Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices from Heathrow Airport to San Francisco Airport are available up to 12 months prior to departure on Expedia. And although you may pick up a fantastic last-minute deal, it's not something you should bank on. Also, booking your flights ahead of time means you'll have more choices — and you can avoid being wedged in the dreaded middle seat! We're always updating our fares to make sure you get the biggest bargains, so check back often for all the latest specials.

Travel information

Travel information

Origin airport
Heathrow
Destination airport
San Francisco Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic, WestJet
Return price
S$678
Distance
8567 km
Average flight time
3 hours 4 mins

Book with confidence

Book with confidence

Perfect flights from London to San Francisco

Your Journey from London to San Francisco

Start your unforgettable journey with Expedia. Our broad selection of flights from London to San Francisco 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 Virgin Atlantic, American Airlines, Delta, KLM, British Airways, Finnair, Air France. Our selection of flights from Heathrow to San Francisco Intl. 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 London to San Francisco Flights

Experience the joy of finding cheap flights from Heathrow to San Francisco Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$558 and roundtrip prices from S$678*.
 

Pre-Flight Essentials

Ensure a smooth journey from London to San Francisco 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 San Francisco

Picture yourself stepping off the plane in San Francisco and immersing yourself in the unique atmosphere of San Francisco. 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 London to San Francisco 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 London to San Francisco.
 

Beyond the Flight – Exploring San Francisco

With Expedia, your adventure extends beyond the flight. Explore San Francisco 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 London to San Francisco 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 London to San Francisco with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.
Perfect flights from London to San Francisco

Explore a world of travel with Expedia

Explore a world of travel with Expedia

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S$845.60

Oakland

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