C$565 Cheap Flights from London Gatwick (LGW) to San Francisco International (SFO)

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Flight deals from London Gatwick to San Francisco International

Looking for a cheap last-minute deal or the best return flight from London Gatwick Airport to San Francisco International Airport? If you want to travel next month, return fares start from C$1,064. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from London Gatwick to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Gatwick to San Francisco International flights are currently cheapest in June.

London to San Francisco: Flight information

The things to know before you go.
Cheapest flight foundC$565
Cheapest month to flyJune

Finding cheap flights from London Gatwick to San Francisco International: Frequently asked questions

The best price we found for a return flight from London Gatwick to San Francisco International is C$937. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London Gatwick to San Francisco International. But we found flights with one or more stops from C$937.
As of May 2026, there are no flights flying from London Gatwick to San Francisco International.
The cheapest month to fly from London Gatwick to San Francisco International is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Gatwick Airport to San Francisco International Airport on Friday, February 12, 2027.
No airlines currently offer direct flights between London Gatwick Airport and San Francisco International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, TAP Air Portugal offers the cheapest flight tickets to San Francisco International.

Traveling from London Gatwick Airport (LGW) to San Francisco International Airport (SFO): what you need to know

  • Peak months like August or vacation periods such as summer and spring break will mean bigger waits at check-in and security. Be on the safe side and get to the airport even earlier. Arriving two hours before domestic flights and up four hours ahead of international flights is a wise idea.

  • We make it a cinch to book a flight with a stopover. To see all the options for flights from London Gatwick Airport to San Francisco International Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to tour your chosen city. Popular stopovers between LGW and SFO include:

    • Dublin Airport

    • Harry Reid Airport (formerly McCarran Airport)

    • Amsterdam Airport Schiphol

  • Before reserving your cheap ticket from LGW to SFO, check if you need a visa to enter United States. Travel document and visa requirements can differ and are updated often. To get the latest information, contact the nearest embassy or consulate of the country you're going to.

How to find the cheapest flights from London Gatwick Airport (LGW) to San Francisco International Airport (SFO)

  • The best price we've found for a one-way ticket from London Gatwick Airport to San Francisco International Airport is C$565. The cheapest price for a return flight is C$937. Bear in mind that fares could change due to demand at the time of booking.

  • To get your hands on cheap flight tickets from LGW to SFO, book in advance. Airlines usually offer their most competitively priced fares when flights are first released.

  • If you can be flexible with your trip dates, try using the 'Whole month' search tool. It'll show you the cheapest price across every month when looking for your ticket from London Gatwick Airport to San Francisco International Airport.

  • Sign into your online account or use the app to set up a Price Alert. You'll get notified right away if there's a better deal on this route. It's simple to do, and it'll save you from searching for cheap flight tickets from LGW to SFO every day.

  • Use filters to tailor your flights from London Gatwick Airport to San Francisco International Airport. Select your ideal departure and arrival times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to get the best deals.

Handy information about London Gatwick Airport (LGW)

  • The journey from central London to London Gatwick Airport takes around 1 hour and 26 minutes by public transport. If you ride-share, drive or hail a cab, you'll cover the 80 kilometres in 1 hour and 19 minutes or so, depending on traffic conditions.

  • After a handy hotel near LGW? If you've booked an early flight from London Gatwick Airport to San Francisco International Airport, these accommodation options will have you sleeping moments from your check-in counter:

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • San Francisco International Airport to central San Francisco takes about 20 minutes by car. It's approximately 21 kilometres away. Discover what options are available, such as cabs, car rentals or ride-sharing.

  • If you're traveling by public transport, expect a journey of roughly 47 minutes.

When to fly to San Francisco International Airport (SFO)

  • August is the busiest month for flights from London Gatwick Airport to San Francisco International Airport. To steer clear of the crowds, visit San Francisco in February.

  • The warmest month in San Francisco is September, with temperatures ranging between 12ºC and 22ºC. Book your flights from London Gatwick Airport to San Francisco International Airport in this month if this is the kind of weather you like.

  • January has average temperatures of between 6ºC and 16ºC. Look for cheap flight tickets from LGW to SFO sometime then if you like cooler conditions.

More about San Francisco

  • Start your San Francisco trip right by finding the perfect stay. Once you've booked your flight from LGW to SFO, have a look at our hotel options including:

  • There are so many things to do and see in this city it can be hard to figure out where to begin. Golden Gate Bridge, Alcatraz Island and Lombard Street are leading attractions which should be on every San Francisco itinerary.

Complete your San Francisco trip with hotels and a car rental

  • You've got your cheap ticket to San Francisco International Airport — now it's time to find a place to stay, and maybe even a set of wheels. We've compared prices across hundreds of companies to bring you the best hotels and car rental deals in San Francisco.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.