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

View AU$647 flight on Tue, 24 Nov 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 for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 6 May - Wed, 12 May
LHR
London
SFO
San Francisco
AU$922 Return, found 5 hours ago
AU$922
Return
found 5 hours ago
Select Air Canada flight, departing Thu, 6 May from London to San Francisco, returning Wed, 12 May, priced at AU$922 found 5 hours ago
United
Tue, 22 Dec - Tue, 5 Jan
LHR
London
SFO
San Francisco
AU$926 Return, found 3 hours ago
AU$926
Return
found 3 hours ago
Select United flight, departing Tue, 22 Dec from London to San Francisco, returning Tue, 5 Jan, priced at AU$926 found 3 hours ago
United
Mon, 28 Dec - Thu, 7 Jan
LHR
London
SFO
San Francisco
AU$935 Return, found 20 hours ago
AU$935
Return
found 20 hours ago
Select United flight, departing Mon, 28 Dec from London to San Francisco, returning Thu, 7 Jan, priced at AU$935 found 20 hours ago
Swiss International Air Lines
Tue, 25 Aug - Tue, 22 Sept
LHR
London
SFO
San Francisco
AU$941 Return, found 1 day ago
AU$941
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Tue, 25 Aug from London to San Francisco, returning Tue, 22 Sept, priced at AU$941 found 1 day ago
Delta
Thu, 19 Nov - Wed, 25 Nov
LHR
London
SFO
San Francisco
AU$941 Return, found 3 days ago
AU$941
Return
found 3 days ago
Select Delta flight, departing Thu, 19 Nov from London to San Francisco, returning Wed, 25 Nov, priced at AU$941 found 3 days ago
Lufthansa
Tue, 25 Aug - Tue, 22 Sept
LHR
London
SFO
San Francisco
AU$948 Return, found 1 day ago
AU$948
Return
found 1 day ago
Select Lufthansa flight, departing Tue, 25 Aug from London to San Francisco, returning Tue, 22 Sept, priced at AU$948 found 1 day ago
Brussels Airlines
Mon, 28 Sept - Thu, 22 Oct
LHR
London
SFO
San Francisco
AU$959 Return, found 2 hours ago
AU$959
Return
found 2 hours ago
Select Brussels Airlines flight, departing Mon, 28 Sept from London to San Francisco, returning Thu, 22 Oct, priced at AU$959 found 2 hours ago
Austrian Airlines
Mon, 28 Sept - Thu, 22 Oct
LHR
London
SFO
San Francisco
AU$959 Return, found 2 hours ago
AU$959
Return
found 2 hours ago
Select Austrian Airlines flight, departing Mon, 28 Sept from London to San Francisco, returning Thu, 22 Oct, priced at AU$959 found 2 hours ago
TAP Portugal
Mon, 28 Sept - Thu, 22 Oct
LHR
London
SFO
San Francisco
AU$979 Return, found 2 hours ago
AU$979
Return
found 2 hours ago
Select TAP Portugal flight, departing Mon, 28 Sept from London to San Francisco, returning Thu, 22 Oct, priced at AU$979 found 2 hours ago
Virgin Atlantic
Mon, 7 Dec - Fri, 8 Jan
LHR
London
SFO
San Francisco
AU$980 Return, found 2 days ago
AU$980
Return
found 2 days ago
Select Virgin Atlantic flight, departing Mon, 7 Dec from London to San Francisco, returning Fri, 8 Jan, priced at AU$980 found 2 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 AU$1,477
SFO
San Francisco Intl.
CheapestClosest
Average driving time to city centre19 min
Flights from AU$1,477

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

March is typically the cheapest month to fly

From AU$687 - AU$1,261 per traveller.

Frequently asked questions

How much does a flight from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.) cost?
You can find cheap one-way flights from AU$647 and cheap return flights from AU$922 LHR to SFO with Expedia. One-way flights typically cost between AU$849 and AU$6,696 and return flights often range between AU$1,066 and AU$10,541. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when LHR to SFO ticket fares go up or down.
What is the cheapest month to fly from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?
The cheapest months to fly from LHR to SFO are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?
There are 3 airlines offering direct flights from London Heathrow (LHR) to San Francisco, CA (SFO-San Francisco Intl.). Here are the carriers:
  • United operates 21 direct flights from London Heathrow (LHR) to San Francisco, CA (SFO-San Francisco Intl.) every week.
  • British Airways operates 14 direct flights from London Heathrow (LHR) to San Francisco, CA (SFO-San Francisco Intl.) every week.
  • Virgin Atlantic operates 11 direct flights from London Heathrow (LHR) to San Francisco, CA (SFO-San Francisco Intl.) every week.
How do I find cheap flights from London (LHR) to San Francisco, CA (SFO)?
To find a cheap flight from London (LHR) to San Francisco, CA (SFO), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?
The best airline to fly with from London Heathrow (LHR) to San Francisco, CA (SFO) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, Virgin Atlantic typically offers the lowest fares. British Airways offers the most daily flights from London Heathrow (LHR) to San Francisco, CA (SFO), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?
You'll find around 7 nonstop flights per day from London Heathrow (LHR) to San Francisco International (SFO). For even more choices, look at flights that include layovers, as there are approximately 233 connecting flights per day. Some common connection points include Dublin (DUB), John F. Kennedy International (JFK), and Pearson International (YYZ).
What is the earliest flight from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?
The earliest flight from London Heathrow (LHR) to San Francisco Intl. (SFO) typically departs around 6:00 AM local time. This flight is operated by Air Baltic and Air Canada. This is a seasonal service, active only in April. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?
You'll generally find the most flights from London Heathrow (LHR) to San Francisco, CA (SFO) on a Sunday, with around 144 flights available. This gives you plenty of options to choose from for your travel plans. Major airlines on this route include British Airways, United, and American Airlines. Flight schedules are quite consistent throughout the week, so you'll have a good selection of flights no matter which day you choose to fly.
What are the most popular departure times for flights from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?
The most popular departure times for flights from London Heathrow (LHR) to San Francisco, CA (SFO) are between 9am and 12pm. Many major carriers, including United, British Airways and Lufthansa, offer flights during this window. Many travellers prefer these morning flights as they allow you to arrive in San Francisco in the afternoon, giving you time to settle in and start exploring.
How long does it take to fly from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?
A direct flight from London Heathrow (LHR) to San Francisco, CA (SFO) typically takes around 11 hours, covering a distance of approximately 8,618 kilometers. If you opt for a flight with one stop, your journey will be longer, usually taking about 16 hours 30 minutes. Flights with two or more stops will extend your travel time even further, to around 19 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?
Yes, you can fly business class or first class between LHR and SFO.Airlines that offer business class service on this route include:
  • Virgin Atlantic
  • SAS
  • Swiss International Air Lines
  • TAP Portugal
  • Air Baltic
  • Lufthansa
  • Air France
  • Iberia
  • Brussels Airlines
  • ITA Airways
  • KLM
  • Eurowings
  • LOT-Polish Airlines
  • British Airways
  • Alaska Airlines
  • Turkish Airlines
  • JetBlue Airways
  • Med View Airlines
  • Air Canada
  • Icelandair
  • Singapore Airlines
  • United
  • Austrian Airlines
  • Delta
  • Finnair
  • American Airlines

First class cabins are available on British Airways and American Airlines.
How do I earn miles on a London (LHR) to San Francisco, CA (SFO) flight with Expedia?
It's easy to earn miles on a London (LHR) to San Francisco, CA (SFO) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Francisco, CA (SFO) from London (LHR)?
If you're planning to travel to San Francisco from Heathrow (LHR), you can fly directly into San Francisco Intl. (SFO). Some flights may connect through major hubs like Humberto Delgado (LIS), Kastrup (CPH), or Frankfurt Intl. (FRA) before reaching San Francisco. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from London (LHR) to San Francisco, CA (SFO) at the last minute?
Typically, booking a last minute flight from London (LHR) to San Francisco, CA (SFO) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LHR) to San Francisco, CA (SFO) flight and hotel package?
Securing a London (LHR) to San Francisco, CA (SFO) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LHR) to San Francisco, CA (SFO)?
If you booked your London (LHR) to San Francisco, CA (SFO) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

0
Origin airport
Heathrow
Destination airport
San Francisco Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Return price
AU$922
Distance
8567 km

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Your quick guide to flights from London to San Francisco

Pick up great flights from London to San Francisco

With Expedia, you have your pick of flights a day with 20 airlines covering flights from London to San Francisco. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from London to San Francisco that take around hours.

Find cheap flights from London to San Francisco

From the great flight deals with prices currently ranging from AU$922 to AU$980, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from London to San Francisco around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to San Francisco is normally in May.

Reasons to book your flight from London to San Francisco with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from London to San Francisco across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to San Francisco right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from London to San Francisco

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