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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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SFO
25 Feb — 4 Mar1
1 adult

The best prices from London Gatwick to San Francisco are usually found in November or February, booked 66 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 20 February 2025.

Round-trip from

£411

One-way from

£379

Popular in

August

Cheapest in

November

Average price

£438
SWISS
  • SWISS
  • 13/3-16/3
  • 2 total stops
  • 44h 10m total
  • London to San Francisco
20/3
  • 20/3
  • 2 total stops
  • 29h 10m total
  • London to San Francisco
Highest demand for flights based on searches. 16% potential increase in price (£87 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Average for round-trip flights in February 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 20 February 2025.

Thu 13/318:40LGW - SFO
1 stop29h 45mSWISS
Sun 16/320:25SFO - LGW
1 stop14h 25mSWISS
Deal found 19/2£411
Wed 15/1016:25LGW - SFO
1 stop30h 05mTAP AIR PORTUGAL
Sat 25/1019:35SFO - LGW
1 stop31h 15mTAP AIR PORTUGAL
Deal found 19/2£412
Tue 11/312:00LGW - SFO
1 stop26h 06mMultiple Airlines
Mon 17/322:59SFO - LGW
1 stop28h 36mMultiple Airlines
Deal found 19/2£439
Sat 3/515:05LGW - SFO
1 stop17h 05mBritish Airways
Sat 10/522:20SFO - LGW
1 stop25h 30mBritish Airways
Deal found 19/2£441
Fri 9/515:05LGW - SFO
1 stop17h 00mIberia
Sat 17/517:45SFO - LGW
1 stop18h 15mIberia
Deal found 18/2£450
Thu 20/212:30LGW - SFO
2 stops20h 06mAmerican Airlines
Thu 27/207:20SFO - LGW
2 stops17h 40mAmerican Airlines
Deal found 19/2£491
Fri 12/909:40LGW - SFO
1 stop37h 18mAir Transat
Sat 20/916:00SFO - LGW
1 stop34h 45mAir Transat
Deal found 19/2£492
Fri 23/512:00LGW - SFO
1 stop17h 12mDelta
Wed 28/509:00SFO - LGW
1 stop17h 00mDelta
Deal found 20/2£552
Tue 15/712:00LGW - SFO
1 stop19h 20mVirgin Atlantic
Tue 22/709:00SFO - LGW
1 stop17h 00mVirgin Atlantic
Deal found 20/2£564

Find flights from Gatwick to San Francisco within your budget

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 20 February 2025.

Fly from

Gatwick

Fly to

San Francisco

Route

Depart

Return

Price

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 13/3

18:40-17:25

1 stop29h 45m

San Francisco

Sun 16/3

20:25-17:50

1 stop14h 25m

£411

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sun 2/3

10:40-14:45

1 stop36h 05m

San Francisco

Sat 8/3

16:40-09:50

1 stop33h 10m

£425

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 30/4

15:05-00:10

1 stop17h 05m

San Francisco

Thu 8/5

17:45-20:00

1 stop18h 15m

£427

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 11/3

12:00-07:06

1 stop26h 06m

San Francisco

Mon 17/3

22:59-10:35

1 stop28h 36m

£439

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sat 3/5

15:05-00:10

1 stop17h 05m

San Francisco

Sat 10/5

22:20-07:50

1 stop25h 30m

£441

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 25/4

12:40-12:39

1 stop31h 59m

San Francisco

Sat 3/5

16:00-10:45

1 stop34h 45m

£526

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 23/5

12:00-21:12

1 stop17h 12m

San Francisco

Wed 28/5

09:00-10:00

1 stop17h 00m

£552

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 15/7

12:00-23:20

1 stop19h 20m

San Francisco

Tue 22/7

09:00-10:00

1 stop17h 00m

£564

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 20/3

19:05-17:15

2 stops29h 10m

£379

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 18/3

16:35-15:40

1 stop30h 05m

£406

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 19 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.

Travel insights for flights from Gatwick to San Francisco

Get recent, data-driven insights about flights from Gatwick to San Francisco including ideal travel times, pricing trends, and more.

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 14 February 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 66 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 20 February 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 20 February 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.

Overall

7.8

Comfort

7.4

Entertainment

7.1

Crew

8.5

Food

6.8

Boarding

7.9

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

SFO - YYZ

Good flight! Smooth and on time. Loved the cookie snack. Will go with Porter again

Overall

7.8

Comfort

7.4

Entertainment

7.1

Crew

8.5

Food

6.8

Boarding

7.9

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

SFO - YYZ

Good flight! Smooth and on time. Loved the cookie snack. Will go with Porter again

Overall

7.8

Comfort

7.4

Entertainment

7.1

Crew

8.5

Food

6.8

Boarding

7.9

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

SFO - YYZ

Good flight! Smooth and on time. Loved the cookie snack. Will go with Porter again

Overall

7.8

Comfort

7.4

Entertainment

7.1

Crew

8.5

Food

6.8

Boarding

7.9

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

SFO - YYZ

Good flight! Smooth and on time. Loved the cookie snack. Will go with Porter again

Overall

7.8

Comfort

7.4

Entertainment

7.1

Crew

8.5

Food

6.8

Boarding

7.9

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

SFO - YYZ

Good flight! Smooth and on time. Loved the cookie snack. Will go with Porter again

Overall

7.8

Comfort

7.4

Entertainment

7.1

Crew

8.5

Food

6.8

Boarding

7.9

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

SFO - YYZ

Good flight! Smooth and on time. Loved the cookie snack. Will go with Porter again

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 8 different airlines.

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

    Currently priced at £411, 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 TAP AIR PORTUGAL and Iberia - these airlines can fly you to your destination from £425 and £427, 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 WestJet. According to our data, you can fly for as low as £413. Users have also found prices from £414 and £423 on TAP AIR PORTUGAL and Vueling, 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
South San Francisco
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 8 airlines flying from Gatwick to San Francisco

Discover the top 8 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 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£367Average£428FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Virgin AtlanticCheapest£382Average£485FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
SWISSCheapest£385Average£486FlexibilityNo cancel feeOn-time79%
Search SWISS flights
British AirwaysCheapest£386Average£556FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£394Average£534FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£402Average£597FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest£405Average£668FlexibilityNo cancel feeOn-time77%
Search Iberia flights
LufthansaCheapest£413Average£603FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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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