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฿16,075 Cheap Flights from London (LHR) to San Francisco (SFO)

View ฿16,075 flight on Sat, 31 Oct 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿16,075 for one-way flights and ฿19,910 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sun, 1 Nov - Thu, 26 Nov
LHR
London
SFO
San Francisco
฿19,910 Return, found 6 days ago
฿19,910
Return
found 6 days ago
Select Lufthansa flight, departing Sun, 1 Nov from London to San Francisco, returning Thu, 26 Nov, priced at ฿19,910 found 6 days ago
Swiss International Air Lines
Fri, 5 Mar - Sun, 14 Mar
LHR
London
SFO
San Francisco
฿19,920 Return, found 4 days ago
฿19,920
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Fri, 5 Mar from London to San Francisco, returning Sun, 14 Mar, priced at ฿19,920 found 4 days ago
Lufthansa
Sun, 1 Nov - Thu, 26 Nov
LHR
London
SFO
San Francisco
฿20,680 Return, found 6 days ago
฿20,680
Return
found 6 days ago
Select Lufthansa flight, departing Sun, 1 Nov from London to San Francisco, returning Thu, 26 Nov, priced at ฿20,680 found 6 days ago
Swiss International Air Lines
Fri, 5 Mar - Sun, 14 Mar
LHR
London
SFO
San Francisco
฿20,695 Return, found 4 days ago
฿20,695
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Fri, 5 Mar from London to San Francisco, returning Sun, 14 Mar, priced at ฿20,695 found 4 days ago
United
Sun, 1 Nov - Thu, 26 Nov
LHR
London
SFO
San Francisco
฿20,980 Return, found 6 days ago
฿20,980
Return
found 6 days ago
Select United flight, departing Sun, 1 Nov from London to San Francisco, returning Thu, 26 Nov, priced at ฿20,980 found 6 days ago
American Airlines
Sun, 1 Nov - Thu, 26 Nov
LHR
London
SFO
San Francisco
฿20,980 Return, found 6 days ago
฿20,980
Return
found 6 days ago
Select American Airlines flight, departing Sun, 1 Nov from London to San Francisco, returning Thu, 26 Nov, priced at ฿20,980 found 6 days ago
American Airlines
Sun, 1 Nov - Thu, 26 Nov
LHR
London
SFO
San Francisco
฿21,175 Return, found 6 days ago
฿21,175
Return
found 6 days ago
Select American Airlines flight, departing Sun, 1 Nov from London to San Francisco, returning Thu, 26 Nov, priced at ฿21,175 found 6 days ago
Finnair
Fri, 5 Mar - Sun, 14 Mar
LHR
London
SFO
San Francisco
฿21,195 Return, found 4 days ago
฿21,195
Return
found 4 days ago
Select Finnair flight, departing Fri, 5 Mar from London to San Francisco, returning Sun, 14 Mar, priced at ฿21,195 found 4 days ago
Austrian Airlines
Sun, 1 Nov - Thu, 26 Nov
LHR
London
SFO
San Francisco
฿21,750 Return, found 6 days ago
฿21,750
Return
found 6 days ago
Select Austrian Airlines flight, departing Sun, 1 Nov from London to San Francisco, returning Thu, 26 Nov, priced at ฿21,750 found 6 days ago
Iberia
Sun, 1 Nov - Thu, 26 Nov
LHR
London
SFO
San Francisco
฿22,155 Return, found 6 days ago
฿22,155
Return
found 6 days ago
Select Iberia flight, departing Sun, 1 Nov from London to San Francisco, returning Thu, 26 Nov, priced at ฿22,155 found 6 days ago

Alternative airports near San Francisco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Francisco Intl. SFO. Cheapest and Closest option available. Average driving time to city centre is 19 minutes. Flights from ฿25,135
SFO
San Francisco Intl.
CheapestClosest
Average driving time to city centre19 min
Flights from ฿25,135

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

October is typically the cheapest month to fly

From ฿17,893 - ฿19,623 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 ฿19,910. 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

Origin airport
Heathrow
Destination airport
San Francisco Intl.
Return price
฿19,910
Distance
8567 km
Average flight time
3 hours 1 min

Book with confidence

Perfect flights from London to San Francisco

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from London to San Francisco. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Heathrow to San Francisco Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿16,075 and roundtrip prices from ฿19,910. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at San Francisco Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in San Francisco.
Perfect flights from London to San Francisco
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