$570 Cheap flights from Heathrow to San Francisco Intl. (LHR to SFO)

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Find The Best Dates To Fly from Heathrow to San Francisco Intl.

Amazing LHR to SFO Flight Deals

The cheapest flights to San Francisco Intl. found within the past 7 days were $507 round trip and $570 one way. Prices and availability subject to change. Additional terms may apply.

Fri, Jan 24 - Sat, Feb 1
LHR
London
SFO
San Francisco
$507 Roundtrip, found 1 hour ago
$507
Roundtrip
found 1 hour ago
Select Scandinavian Airlines flight, departing Fri, Jan 24 from London to San Francisco, returning Sat, Feb 1, priced at $507 found 1 hour ago
Sat, Nov 23 - Fri, Nov 29
LHR
London
SFO
San Francisco
$516 Roundtrip, found 6 days ago
$516
Roundtrip
found 6 days ago
Select TAP Portugal flight, departing Sat, Nov 23 from London to San Francisco, returning Fri, Nov 29, priced at $516 found 6 days ago
Tue, Sep 3 - Tue, Sep 10
LHR
London
SFO
San Francisco
$526 Roundtrip, found 2 days ago
$526
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Tue, Sep 3 from London to San Francisco, returning Tue, Sep 10, priced at $526 found 2 days ago
Fri, Feb 28 - Sun, Mar 2
LHR
London
SFO
San Francisco
$582 Roundtrip, found 5 days ago
$582
Roundtrip
found 5 days ago
Select British Airways flight, departing Fri, Feb 28 from London to San Francisco, returning Sun, Mar 2, priced at $582 found 5 days ago
Tue, Sep 17 - Thu, Sep 26
LHR
London
SFO
San Francisco
$586 Roundtrip, found 2 days ago
$586
Roundtrip
found 2 days ago
Select Iberia flight, departing Tue, Sep 17 from London to San Francisco, returning Thu, Sep 26, priced at $586 found 2 days ago
Tue, Nov 5 - Tue, Nov 19
LHR
London
SFO
San Francisco
$597 Roundtrip, found 7 hours ago
$597
Roundtrip
found 7 hours ago
Select Lufthansa flight, departing Tue, Nov 5 from London to San Francisco, returning Tue, Nov 19, priced at $597 found 7 hours ago
Tue, Nov 26 - Mon, Dec 9
LHR
London
SFO
San Francisco
$606 Roundtrip, found 1 day ago
$606
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Tue, Nov 26 from London to San Francisco, returning Mon, Dec 9, priced at $606 found 1 day ago
Wed, Sep 25 - Wed, Oct 2
LHR
London
SFO
San Francisco
$607 Roundtrip, found 5 hours ago
$607
Roundtrip
found 5 hours ago
Select Austrian Airlines flight, departing Wed, Sep 25 from London to San Francisco, returning Wed, Oct 2, priced at $607 found 5 hours ago
Wed, Sep 25 - Wed, Oct 2
LHR
London
SFO
San Francisco
$616 Roundtrip, found 5 hours ago
$616
Roundtrip
found 5 hours ago
Select Delta flight, departing Wed, Sep 25 from London to San Francisco, returning Wed, Oct 2, priced at $616 found 5 hours ago
Thu, Mar 20 - Thu, Mar 27
LHR
London
SFO
San Francisco
$616 Roundtrip, found 1 day ago
$616
Roundtrip
found 1 day ago
Select United flight, departing Thu, Mar 20 from London to San Francisco, returning Thu, Mar 27, priced at $616 found 1 day ago

Frequently asked questions

Can I catch a flight from London Heathrow to San Francisco Intl. Airport (SFO) right now?
For information on any current SFO quarantine requirements and travel advice, go to the Covid-19 Travel Advisor. Check before you book your flight, so you don’t get caught out.
Are there direct flights from Heathrow Airport (LHR) to San Francisco Intl. Airport (SFO)?
Multiple airlines offer nonstop flights from Heathrow Airport (LHR) to San Francisco Airport. These include British Airways and Virgin Atlantic — start with them if you want to touch down at your destination as quickly as possible.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to San Francisco Airport, please visit our Customer Service Portal.
How long is the flight from LHR to San Francisco Intl. Airport (SFO)?
The flight from LHR to San Francisco Intl. Airport (SFO) lasts approximately 10 hours and 58 minutes. You’ll have more than enough time to catch up on some sleep on this long-haul flight, but remember to take an inflatable travel pillow if you really want to get comfortable.
What is the flight distance from Heathrow Airport to SFO?
You’ll have covered 5,400 mi by the time you’ve pulled away from the gate at Heathrow Airport (LHR) and touched down at San Francisco Airport. Don’t forget to bring plenty to pass the time — it’s going to be a long journey.
What airlines fly from London Heathrow to San Francisco Airport?
If you want to get to San Francisco from London, there are several airlines that advertise direct flights. One of the most well-known is British Airways (BA), which has 60 flights on this route every month. A popular alternative is Virgin Atlantic (VS), which offers 30 flights every month. The more airlines you take into account, the more likely you are to pick up a wonderful deal.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with United Airlines, Alaska Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Heathrow
Traveling To
San Francisco Intl.
Shortest Flight Time
11 hours 0 mins
Earliest Departure Time
10:10AM BST
Latest Departure Time
5:20PM BST
Lowest Flight Price
$507

Route Info

Flight path for flights from London Heathrow Airport to San Francisco International Airport


Origin:
LHR - London Heathrow Airport
Destination:
SFO - San Francisco International Airport
Distance:
5,383.00 miles


Airlines & Aircraft Used on LHR to SFO Flight Routes


Airline Carrier
Aircraft
Air France
Aerospatiale/Alenia ATR 42/ ATR 72
Air France
Airbus A318/319/320/321
American Airlines
Airbus A319
American Airlines
Airbus A320-100/200
American Airlines
Airbus A320-100/200
American Airlines
Airbus A321-100/200
American Airlines
Boeing 747-400 pax
American Airlines
Boeing 767-200 pax
American Airlines
Boeing 767-300 pax
American Airlines
Boeing 777-200 pax
American Airlines
Canadair Regional Jet 200
Austrian
Airbus A319
Austrian
Airbus A320-100/200
British Airways
Aerospatiale/Alenia ATR 42-500
British Airways
Aerospatiale/Alenia ATR 72
British Airways
Airbus A319
British Airways
Airbus A320-100/200
British Airways
Airbus A330-200
British Airways
Boeing 737-800 pax
British Airways
Boeing 737-800 pax
British Airways
Boeing 757 all pax models
British Airways
Canadair Regional Jet 200
Delta Air Lines
Boeing 737-300 pax
Delta Air Lines
Boeing 737-700 (winglets) pax
Finnair
Airbus A320-100/200
Finnair
Airbus A321-100/200
Finnair
Boeing 737-700 (winglets) pax
Finnair
Boeing 737-700 pax
Finnair
Boeing 737-800 pax
Finnair
Boeing 737-800 pax
Jet Airways (India)
Fairchild (Swearingen) SA26 / SA226 / SA227 Metro / Merlin / Expediter
KLM
Airbus A319
KLM
Airbus A321-100/200
KLM
Canadair Regional Jet 200
Lufthansa
Airbus A319
Virgin Atlantic
Aerospatiale/Alenia ATR 72
Virgin Atlantic
Aerospatiale/Alenia ATR 72
Virgin Atlantic
Airbus A319

Discover our best flights from London LHR to San Francisco SFO. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from London LHR to San Francisco SFO at the right price  

Airfares to San Francisco SFO from London LHR currently cost between $507 and $1,253. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from London LHR to San Francisco SFO 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from London LHR to San Francisco SFO on Travelocity starting at $570. Prices and availability subject to change. Additional terms may apply. 

 

Get to San Francisco SFO from London LHR quicker with direct flights. 

Get to San Francisco faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to SFO from LHR to take around 11 hour(s) 0 min(s).  

 

Find our cheapest airfares for flights from London LHR to San Francisco SFO

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SFO from LHR. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from London LHR to San Francisco SFO today 

If you’re flexible about when you travel, January is usually the cheapest month to fly from London LHR to San Francisco SFO. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to San Francisco SFO from London LHR 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to SFO from LHR have this option.  

 

Travel with confidence when you book flights to San Francisco SFO from London LHR with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.