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Cheap flights from London Gatwick Airport to San Diego from £431

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SAN
2 Sep — 9 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Gatwick to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from Gatwick to San Diego
Explore the most affordable flight options available from Gatwick to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 August 2026.

Tue 15/909:25
LGW
-
SAN
2 stops21h 34m
Multiple Airlines
Tue 22/914:19
SAN
-
LGW
2 stops19h 31m
Multiple Airlines
Deal found 1/8£615
Wed 2/909:25
LGW
-
SAN
2 stops20h 45m
SWISS
Tue 29/906:40
SAN
-
LGW
2 stops17h 45m
SWISS
Deal found 30/7£620
Tue 10/1110:10
LGW
-
SAN
2 stops37h 31m
Multiple Airlines
Tue 24/1121:25
SAN
-
LGW
1 stop24h 35m
Multiple Airlines
Deal found 31/7£620
Tue 1/914:00
LGW
-
SAN
1 stop38h 31m
Multiple Airlines
Thu 24/914:20
SAN
-
LGW
1 stop32h 00m
Multiple Airlines
Deal found 2/8£623
Mon 14/909:25
LGW
-
SAN
2 stops20h 45m
SWISS
Mon 21/906:18
SAN
-
LGW
2 stops18h 07m
SWISS
Deal found 30/7£624
Mon 31/814:00
LGW
-
SAN
1 stop38h 31m
Multiple Airlines
Sat 12/908:48
SAN
-
LGW
2 stops18h 57m
Multiple Airlines
Deal found 31/7£625
Tue 15/909:25
LGW
-
SAN
2 stops19h 20m
SWISS
Tue 22/906:42
SAN
-
LGW
2 stops17h 43m
SWISS
Deal found 1/8£626
Tue 1/914:00
LGW
-
SAN
1 stop38h 31m
Multiple Airlines
Fri 11/906:25
SAN
-
LGW
2 stops24h 15m
Multiple Airlines
Deal found 31/7£629
Thu 3/914:00
LGW
-
SAN
1 stop38h 31m
Multiple Airlines
Thu 24/914:20
SAN
-
LGW
1 stop32h 00m
Multiple Airlines
Deal found 2/8£629
Mon 31/814:00
LGW
-
SAN
1 stop38h 31m
Multiple Airlines
Fri 11/906:25
SAN
-
LGW
2 stops24h 15m
Multiple Airlines
Deal found 31/7£633

Find flight deals from Gatwick to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to San Diego (SAN). 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 3 August 2026.

Round-trip from

£615

One-way from

£431

Popular in

July

Cheapest in

January

Average price

£699
15/9-22/9
  • 15/9-22/9
  • 4 total stops
  • 41h 05m total
  • London to San Diego
Search Deals
SWISS
  • SWISS
  • 22/9
  • 2 total stops
  • 20h 45m total
  • London to San Diego
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£80 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Gatwick to San Diego 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 3 August 2026.
Use the filters below to find and compare flights from London Gatwick Airport to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Mon 31/8

14:00-20:31

1 stop38h 31m

San Diego

Mon 14/9

14:20-06:20

1 stop32h 00m

£645

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Thu 3/9

09:25-22:10

2 stops20h 45m

San Diego

Tue 29/9

06:40-08:25

2 stops17h 45m

£649

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Sat 5/9

09:25-22:08

2 stops20h 43m

San Diego

Mon 21/9

06:18-08:25

2 stops18h 07m

£654

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Mon 14/9

09:25-22:10

2 stops20h 45m

San Diego

Mon 21/9

06:18-08:25

2 stops18h 07m

£661
Fastest return journey

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Wed 9/9

09:25-22:10

2 stops20h 45m

San Diego

Tue 15/9

06:42-08:25

2 stops17h 43m

£664

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Sat 5/9

14:00-20:31

1 stop38h 31m

San Diego

Mon 21/9

14:20-06:20

1 stop32h 00m

£670

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Mon 14/9

14:00-20:31

1 stop38h 31m

San Diego

Mon 21/9

14:20-06:20

1 stop32h 00m

£674

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Wed 6/1

10:10-20:20

1 stop18h 10m

San Diego

Thu 21/1

22:13-08:15

1 stop26h 02m

£677
Cheapest one-way
Fastest single journey

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Wed 28/10

10:00-23:42

2 stops20h 42m

£435

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Sat 12/9

14:00-20:31

1 stop38h 31m

£450

Flights are sorted by cheapest return flights first.

Deals found on 31/7

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Gatwick to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego 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.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to San Diego. 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 Diego from London Gatwick?

    Most people fly into San Diego (SAN) if they book a flight to San Diego from London Gatwick. On average, San Diego has 0 inbound flights from London Gatwick per day from 0 airlines. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

  • How long is the flight from London Gatwick Airport to San Diego?

    A quick flight from London Gatwick Airport to San Diego can take about 20h 45m. SWISS provides one of the quickest options available for as low as £649. The distance between London Gatwick Airport and San Diego is about 5492 mi.

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

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

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

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

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

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

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado

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Alternative routes for Gatwick to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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London City to Ontario flights
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Stansted to Santa Ana flights
London City to Sacramento flights
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How does Cheapflights help users find flights from Gatwick to San Diego?

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Cheapflights does show flights with no change fees to all users. To see these options for flights from Gatwick to San Diego, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Gatwick to San Diego on Cheapflights with our Price Alert feature and get notified when better prices are available.

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