Cheap flights from London to San Francisco from $245
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to San Francisco departing on 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? Create a price alert to track prices.Easily compare round-trip flights from London to San Francisco
Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from London to San Francisco by changing tabs
Find the cheapest one-way flights from London to San Francisco
If you're looking for one-way flights from London to San Francisco, view some of our deals below provided by Brussels Airlines, Lufthansa and TAP AIR PORTUGAL
Find the cheapest direct flights from London to San Francisco
Search last-minute flights to San Francisco from London
Find and compare round-trip flight prices for your last-minute flight from London to San Francisco
British Airways flights from London to San Francisco
Our best British Airways deals on London to San Francisco flight tickets
United Airlines flights from London to San Francisco
Our best United Airlines deals on London to San Francisco flight tickets
How to get the cheapest flight ticket from London to San Francisco
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from London to San Francisco?
February. The cheapest time of year to fly to San Francisco from London is February. Most expensive is July
What is the cheapest day to depart London for San Francisco?
Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday
When is the cheapest time to fly from London to San Francisco?
In the morning. London to San Francisco flights are approximately 11% more expensive in the evening than in the morning
What is the cheapest airline that flies to San Francisco from London?
Finnair. Austrian Airlines, British Airways, and Brussels Airlines are the most popular carriers operating from London to San Francisco
What is the cheapest London to San Francisco flight route?
London Heathrow - San Francisco. Fly from London Heathrow to San Francisco for the best London - San Francisco flight prices
How far in advance should you book London to San Francisco flights?
57 days before. The cheapest time to buy a flight from London to San Francisco is approximately 57 days to departure
How many flights depart from London to San Francisco on average per day?
The number of flights available between London and San Francisco is 31 per day as of June 2024. The most frequent departure time is 9:00AM, with 59% of daily flights leaving at noon.
How many flights depart from London to San Francisco on average per week?
As of June 2024, 217 flights take off from London and land in San Francisco each week. The most common flight departure day for this route is Sunday, with 14% of weekly flights taking off on this day.
What cabin class options are available on London to San Francisco flights?
There are 3 cabin classes available to choose from on London to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Cheap London to San Francisco (LON to SFO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to San Francisco
Best Price Found | $245 |
|---|---|
Fastest flight time | 11h 00m |
Direct flights | Every day |
Airports in San Francisco | 1 airport |
How far is London to San Francisco by plane?
A flight from London to San Francisco will travel around 5349.7 mi. In terms of flight time, this usually takes a little over 11h 00m.
When did momondo last update prices for flights from London to San Francisco Airport?
Prices for flights from London to San Francisco Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London to San Francisco Airport?
There are 12 operators available for flights from London to San Francisco Airport as of June 2024.
How old do you have to be to fly from London to San Francisco Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from London to San Francisco
Compare and see reviews for airlines that fly from London to San Francisco with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $416 | Free Cancellation | Rating 7.7 1,362 reviews | |||
| PriceFrom $422 | Free Cancellation | Rating 7.4 1,386 reviews | |||
| PriceFrom $492 | Free Cancellation | Rating 6.9 7,524 reviews | |||
| PriceFrom $507 | Free Cancellation | Rating 7.1 2,720 reviews | |||
| PriceFrom $519 | Free Cancellation | Rating 6.7 6,754 reviews | |||
| PriceFrom $538 | Free Cancellation | Rating 7.6 717 reviews | |||
| PriceFrom $538 | Free Cancellation | Rating 8.0 10,368 reviews | |||
| PriceFrom $539 | Free Cancellation | Rating 7.4 10,696 reviews | |||
| PriceFrom $551 | Free Cancellation | Rating 7.2 1,283 reviews | |||
| PriceFrom $572 | Free Cancellation | Rating 7.3 530 reviews |
Delta Flights From London to San Francisco
Delta flies from London to San Francisco around 7 times per week, with 10,368 momondo users rating the airline 8.0/10. The cheapest Delta deal from London to San Francisco in the last 72 hours was $538 (round-trip), much lower than the average airfare cost of $720 for Delta flights on this route.
Finnair Flights From London to San Francisco
$416 is the best Finnair flight deal from London to San Francisco found on momondo over the last 72 hours. The average Finnair ticket price found was closer to $571, however, with flight time and availability significantly affecting the price. Finnair (7.7/10 from 1,363 user reviews) flies into San Francisco from London 14 times in an average week so prices can vary.
Why use momondo?
Why should I use momondo to find a flight deal from London to San Francisco?
It is quick and easy to find London to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.
Can I find flights from London to San Francisco with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to San Francisco from London with this policy.
How can momondo help me find flights from London to San Francisco?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from London.
I’m not ready to book a flight from London to San Francisco right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.