Find flights
When to book
Airlines
FAQs

Cheap flights from London Gatwick Airport to San Francisco from £405

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SFO
15 Apr — 22 Apr1
1 adult

Cheapflights Tip: The best prices from London Gatwick to San Francisco are usually found in February or November, booked 62 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Gatwick to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 April 2025.

Round-trip from

£405

Popular in

August

Cheapest in

February

Average price

£503
SWISS
  • SWISS
  • 6/5-11/5
  • 2 total stops
  • 43h 55m total
  • London to San Francisco
Highest demand for flights based on searches. 17% potential increase in price (£88 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from Gatwick to San Francisco

Cheapest flights from Gatwick to San Francisco
Explore the most affordable flight options available from Gatwick to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 April 2025.

Tue 6/518:35LGW - SFO
1 stop29h 35mSWISS
Sun 11/519:30SFO - LGW
1 stop14h 20mSWISS
Deal found 9/4£405
Thu 8/510:25LGW - SFO
2 stops20h 01mFinnair
Mon 12/507:03SFO - LGW
2 stops17h 07mFinnair
Deal found 9/4£411
Wed 8/1016:25LGW - SFO
1 stop30h 05mTAP AIR PORTUGAL
Wed 15/1016:20SFO - LGW
1 stop33h 25mTAP AIR PORTUGAL
Deal found 10/4£415
Fri 16/515:05LGW - SFO
1 stop26h 20mBritish Airways
Tue 20/507:21SFO - LGW
1 stop16h 49mBritish Airways
Deal found 10/4£440
Tue 6/514:00LGW - SFO
1 stop31h 15mMultiple Airlines
Wed 20/816:20SFO - LGW
1 stop33h 25mMultiple Airlines
Deal found 9/4£447
Sun 21/912:40LGW - SFO
1 stop31h 43mAir Transat
Fri 10/1016:00SFO - LGW
1 stop34h 45mAir Transat
Deal found 9/4£486
Tue 29/409:10LGW - SFO
1 stop16h 50mIberia
Tue 20/517:45SFO - LGW
1 stop18h 15mIberia
Deal found 9/4£496
Fri 30/512:00LGW - SFO
1 stop21h 39mVirgin Atlantic
Tue 3/609:25SFO - LGW
1 stop16h 35mVirgin Atlantic
Deal found 9/4£496
Mon 30/612:00LGW - SFO
1 stop19h 52mAir France
Mon 14/707:00SFO - LGW
1 stop19h 00mAir France
Deal found 9/4£527
Mon 22/912:10LGW - SFO
1 stop16h 49mIcelandair
Sun 5/1020:35SFO - LGW
1 stop29h 00mIcelandair
Deal found 10/4£544

Cheapflights Fare Finder

Customise your flight search to find flights from Gatwick to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 10 April 2025.
Use the filters below to find and compare flights from London Gatwick Airport to San Francisco that are best for you.

Fly from

Gatwick

Fly to

San Francisco

Route

Depart

Return

Price

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 6/5

18:35-16:10

1 stop29h 35m

San Francisco

Sun 11/5

19:30-17:50

1 stop14h 20m

£405

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 8/5

10:25-22:26

2 stops20h 01m

San Francisco

Mon 12/5

07:03-08:10

2 stops17h 07m

£411

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 9/9

16:25-14:35

1 stop30h 10m

San Francisco

Tue 23/9

16:20-15:35

1 stop15h 15m

£416

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 16/5

15:05-09:25

1 stop26h 20m

San Francisco

Tue 20/5

07:21-08:10

1 stop16h 49m

£440

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 6/5

14:00-13:15

1 stop31h 15m

San Francisco

Wed 20/8

16:20-09:45

1 stop33h 25m

£447

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sun 21/9

12:40-12:23

1 stop31h 43m

San Francisco

Fri 10/10

16:00-10:45

1 stop34h 45m

£486

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 29/4

09:10-18:00

1 stop16h 50m

San Francisco

Tue 20/5

17:45-20:00

1 stop18h 15m

£496

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 30/5

12:00-00:21

2 stops20h 21m

San Francisco

Tue 3/6

06:05-10:00

2 stops19h 55m

£496

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 30/6

12:00-23:52

1 stop19h 52m

San Francisco

Mon 14/7

07:00-10:00

1 stop19h 00m

£527

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 22/9

12:10-20:59

1 stop16h 49m

San Francisco

Sun 5/10

20:35-09:35

1 stop29h 00m

£544

Flights are sorted by cheapest return flights first.

Deals found on 10/4

Showing 1-10 of 20 results
1
2

Best time to book a flight from Gatwick to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Gatwick with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to San Francisco

How far ahead should I book a flight from London Gatwick Airport to San Francisco?

Use this chart to determine the optimal time to book a return flight from Gatwick to San Francisco. Price data was last updated on 4 April 2025.

The price you pay for your flight from London Gatwick Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London Gatwick Airport to San Francisco?

Currently, February is the cheapest month in which you can book a flight from London Gatwick Airport to San Francisco (average of £538). Flying from London Gatwick Airport to San Francisco in July is currently the most expensive (average of £803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LGW to SFO?

Find hourly flight availability from Gatwick to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 April 2025.

It’s optimal to fly from London Gatwick Airport to San Francisco at midday. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from London Gatwick Airport to San Francisco?

Use this chart to determine the cheapest time to fly return from Gatwick to San Francisco. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Gatwick Airport to San Francisco flight should consider departing on Friday at midday when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 10 April 2025.
Get a feel of what it's like to fly with Air Transat, Finnair and SWISS from London to San Francisco by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.7

Boarding

7.9

Overall

7.8

Crew

8.5

Entertainment

7.1

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

Food

6.7

Boarding

7.9

Overall

7.8

Crew

8.5

Entertainment

7.1

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

Food

6.7

Boarding

7.9

Overall

7.8

Crew

8.5

Entertainment

7.1

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

Food

6.7

Boarding

7.9

Overall

7.8

Crew

8.5

Entertainment

7.1

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

Food

6.7

Boarding

7.9

Overall

7.8

Crew

8.5

Entertainment

7.1

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

Food

6.7

Boarding

7.9

Overall

7.8

Crew

8.5

Entertainment

7.1

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to San Francisco from London Gatwick?

    If you book a flight to San Francisco from London Gatwick, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco. There are 0 flights from London Gatwick to San Francisco per day from 6 different airlines.

  • What are the cheapest airlines flying from London Gatwick Airport to San Francisco round-trip?

    Currently priced at £405, SWISS will fly you from London Gatwick Airport to San Francisco and back. In addition to SWISS, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Finnair and TAP AIR PORTUGAL - these airlines can fly you to your destination from £411 and £416, respectively. Users have found that SWISS is 26% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Gatwick Airport to San Francisco one-way?

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £410. Users have also found prices from £411 and £447 on Vueling and WestJet, respectively.

  • Can I find deals for flights from Gatwick to San Francisco that include hotel bookings?

    Yes. In addition to deals on Gatwick to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to San Francisco.

  • Can I find deals for business class flights from Gatwick to San Francisco?

    Yes. Cheapflights offers flight deals from Gatwick to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Gatwick Airport to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from London Gatwick Airport to San Francisco (average of £538). Flying from London Gatwick Airport to San Francisco in July is currently the most expensive (average of £803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Santa Cruz
San Mateo
Los Banos
Vallejo
Newark
South San Francisco
Pacific Grove
Union City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Gatwick to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Gatwick to San Francisco

Discover the top 6 airlines that operate flights from Gatwick to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 10 April 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£361Average£478FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Virgin AtlanticCheapest£375Average£492FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
SWISSCheapest£379Average£465FlexibilityNo cancel feeOn-time79%
Search SWISS flights
British AirwaysCheapest£380Average£561FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£388Average£499FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£398Average£610FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Gatwick to San Francisco?

When you search for this flight from Gatwick to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Gatwick to San Francisco?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Gatwick to San Francisco.

Can Cheapflights find flights from Gatwick to San Francisco with no change fees?

Yes! Cheapflights helps users easily find flights from Gatwick to San Francisco with no change fees.

Can Cheapflights notify me if prices for flights from Gatwick to San Francisco become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from Gatwick today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.