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Cheap flights from London Gatwick Airport to San Francisco from £379

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SFO
9 Jul — 16 Jul1
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 4 July 2025.

Round-trip from

£392

One-way from

£379

Popular in

December

Cheapest in

February

Average price

£618
SWISS
  • SWISS
  • 22/11-6/12
  • 2 total stops
  • 44h 10m total
  • London to San Francisco
Iberia
  • Iberia
  • 30/9
  • 1 total stop
  • 18h 45m total
  • London to San Francisco
Highest demand for flights based on searches. 0% potential increase in price (£2 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in July 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 4 July 2025.

Sat 22/1118:40LGW - SFO
1 stop29h 45mSWISS
Sat 6/1219:25SFO - LGW
1 stop14h 25mSWISS
Deal found 3/7£392
Thu 28/810:45LGW - SFO
1 stop21h 14mMultiple Airlines
Sat 27/905:50SFO - LGW
1 stop19h 40mMultiple Airlines
Deal found 2/7£394
Thu 28/810:25LGW - SFO
2 stops20h 42mFinnair
Sat 27/910:22SFO - LGW
1 stop13h 48mFinnair
Deal found 2/7£396
Thu 20/1115:55LGW - SFO
1 stop32h 10mTAP AIR PORTUGAL
Wed 3/1216:35SFO - LGW
2 stops33h 25mTAP AIR PORTUGAL
Deal found 2/7£418
Fri 19/915:05LGW - SFO
1 stop16h 54mAmerican Airlines
Fri 10/1010:12SFO - LGW
1 stop13h 58mAmerican Airlines
Deal found 2/7£418
Sat 23/821:05LGW - SFO
1 stop29h 05mIberia
Thu 11/914:22SFO - LGW
2 stops45h 38mIberia
Deal found 2/7£441

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 4 July 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

Sat 22/11

18:40-16:25

1 stop29h 45m

San Francisco

Fri 28/11

19:25-17:50

1 stop14h 25m

£392

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 28/8

10:45-23:59

1 stop21h 14m

San Francisco

Sat 27/9

05:50-09:30

1 stop19h 40m

£394

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 28/8

10:25-23:07

2 stops20h 42m

San Francisco

Sat 27/9

10:22-08:10

1 stop13h 48m

£396

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 20/11

15:55-16:05

1 stop32h 10m

San Francisco

Wed 3/12

16:35-10:00

2 stops33h 25m

£418

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 19/9

15:05-23:59

1 stop16h 54m

San Francisco

Fri 10/10

10:12-08:10

1 stop13h 58m

£418

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sat 23/8

21:05-18:10

1 stop29h 05m

San Francisco

Thu 11/9

14:22-20:00

2 stops45h 38m

£441

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 7/8

12:00-01:35

1 stop21h 35m

San Francisco

Thu 14/8

11:35-10:00

1 stop14h 25m

£452

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 30/9

07:25-18:10

1 stop18h 45m

£379

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sat 27/9

10:45-13:57

3 stops35h 12m

£380

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 22/9

07:45-21:24

2 stops21h 39m

£382

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 14 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 27 June 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 4 July 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.

How much does it cost for a return flight from London Gatwick Airport to San Francisco?

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 4 July 2025.
Get a feel of what it's like to fly with Finnair, SWISS, andVirgin Atlantic from London Gatwick Airport to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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 £392, 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 £396 and £418, respectively. Users have found that SWISS is 23% 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 Iberia. According to our data, you can fly for as low as £379. Users have also found prices from £380 and £410 on WestJet and JetBlue, 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
Vallejo
Newark
South San Francisco
Bodega Bay
Pacific Grove
Union City

Browse thousands of different options on Cheapflights for your next trip

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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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£355Average£436FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Virgin AtlanticCheapest£362Average£463FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£364Average£427FlexibilityNo cancel feeOn-time76%
Search Finnair flights
TAP AIR PORTUGALCheapest£364Average£451FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapest£372Average£514FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£374Average£572FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

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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.

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