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Cheap flights from the United Kingdom to San Diego from £255

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to San Diego departing on 21/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from the United Kingdom to San Diego

Recent return flight deals from the United Kingdom to San Diego

Logo
10:45 - 23:24LGW-SAN
20h 39m2 stops
Logo
06:15 - 10:55SAN-LGW
20h 40m2 stops
£423
Find Deal
Thu, 11 Sep - Fri, 19 Sep
Logo
10:55 - 23:37LGW-SAN
20h 42m2 stops
Logo
06:15 - 09:30SAN-LGW
19h 15m2 stops
£433
Find Deal
Wed, 3 Sep - Mon, 22 Sep
Lufthansa Logo
06:55 - 15:25LHR-SAN
16h 30m1 stop
Lufthansa Logo
12:52 - 09:40SAN-LHR
12h 48m1 stop
£440Lufthansa
Find Deal
Wed, 17 Sep - Mon, 22 Sep
Lufthansa Logo
07:25 - 15:25LHR-SAN
16h 00m1 stop
Lufthansa Logo
12:52 - 09:40SAN-LHR
12h 48m1 stop
£441Lufthansa
Find Deal
Wed, 3 Sep - Mon, 22 Sep
British Airways Logo
11:30 - 14:50LHR-SAN
11h 20mdirect
British Airways Logo
16:40 - 12:50SAN-LHR
12h 10m1 stop
£501British Airways
Find Deal
Mon, 25 Aug - Tue, 9 Sep
British Airways Logo
15:10 - 22:24LHR-SAN
15h 14m1 stop
British Airways Logo
19:50 - 14:20SAN-LHR
10h 30mdirect
£510British Airways
Find Deal
Tue, 7 Oct - Mon, 20 Oct
Iberia Logo
20:40 - 20:04LGW-SAN
31h 24m2 stops
Iberia Logo
06:15 - 10:50SAN-LGW
20h 35m2 stops
£532Iberia
Find Deal
Mon, 25 Aug - Tue, 9 Sep
Virgin Atlantic Logo
10:00 - 21:15LCY-SAN
19h 15m2 stops
Virgin Atlantic Logo
11:23 - 16:40SAN-LCY
21h 17m2 stops
£556Virgin Atlantic
Find Deal
Mon, 1 Sep - Mon, 15 Sep
Virgin Atlantic Logo
11:20 - 20:44EDI-SAN
17h 24m2 stops
Virgin Atlantic Logo
06:15 - 06:45SAN-EDI
16h 30m2 stops
£564Virgin Atlantic
Find Deal
Wed, 3 Sep - Wed, 24 Sep
Finnair Logo
19:05 - 16:10GLA-SAN
29h 05m1 stop
Finnair Logo
18:00 - 15:50SAN-GLA
13h 50m1 stop
£847Finnair
Find Deal
Wed, 24 Dec - Wed, 7 Jan

Icelandair flights from United Kingdom to San Diego

Our best Icelandair deals on United Kingdom to San Diego flight tickets
Icelandair
24 Sept
LGW12:10London Gatwick
32h 10m
1 stop
SAN12:20San Diego
22 Oct
SAN20:15San Diego
29h 20m
1 stop
LGW09:35London Gatwick
£540
Find similar
Icelandair
23 Sept
LGW12:10London Gatwick
32h 10m
1 stop
SAN12:20San Diego
30 Sept
SAN20:55San Diego
28h 40m
1 stop
LGW09:35London Gatwick
£540
Find similar
Icelandair
23 Sept
LGW12:10London Gatwick
28h 51m
2 stops
SAN09:01San Diego
30 Sept
SAN20:55San Diego
28h 40m
1 stop
LGW09:35London Gatwick
£543
Find similar

Delta flights from United Kingdom to San Diego

Our best Delta deals on United Kingdom to San Diego flight tickets
Delta
2 Sept
GLA06:00Glasgow Intl
14h 00m
1 stop
SAN12:00San Diego
17 Sept
SAN09:59San Diego
22h 11m
2 stops
GLA16:10Glasgow Intl
£555
Find similar
Delta
2 Sept
GLA06:00Glasgow Intl
14h 00m
1 stop
SAN12:00San Diego
17 Sept
SAN09:59San Diego
22h 11m
2 stops
GLA16:10Glasgow Intl
£555
Find similar
Delta
11 Aug
LHR06:30London Heathrow
19h 54m
2 stops
SAN18:24San Diego
8 Sept
SAN13:05San Diego
22h 55m
1 stop
LHR20:00London Heathrow
£577
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom 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, momondo users made 279,928 searches. Data last updated 1 August 2025.
Use the filters below to find and compare flights from the United Kingdom to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Thu 11/9

10:45-23:24

2 stops20h 39m

San Diego

Fri 19/9

06:15-10:55

2 stops20h 40m

£423

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Wed 3/9

10:55-23:37

2 stops20h 42m

San Diego

Mon 22/9

06:15-09:30

2 stops19h 15m

£433

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Wed 17/9

06:55-15:25

1 stop16h 30m

San Diego

Mon 22/9

12:52-09:40

1 stop12h 48m

£440

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Wed 3/9

07:25-15:25

1 stop16h 00m

San Diego

Mon 22/9

12:52-09:40

1 stop12h 48m

£441

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 25/8

11:30-14:50

Nonstop11h 20m

San Diego

Tue 9/9

16:40-12:50

1 stop12h 10m

£501

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Tue 7/10

15:10-22:24

1 stop15h 14m

San Diego

Mon 20/10

19:50-14:20

Nonstop10h 30m

£510

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Mon 25/8

20:40-20:04

2 stops31h 24m

San Diego

Tue 9/9

06:15-10:50

2 stops20h 35m

£532

LondonSan Diego

LCY - SAN

LCYSAN

London City

Mon 1/9

10:00-21:15

2 stops19h 15m

San Diego

Mon 15/9

11:23-16:40

2 stops21h 17m

£556

EdinburghSan Diego

EDI - SAN

EDISAN

Edinburgh Turnhouse

Wed 3/9

11:20-20:44

2 stops17h 24m

San Diego

Wed 24/9

06:15-06:45

2 stops16h 30m

£564

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Wed 24/12

19:05-16:10

1 stop29h 05m

San Diego

Wed 7/1

18:00-15:50

1 stop13h 50m

£847

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to San Diego from

How to get the cheapest flight ticket from United Kingdom to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you don’t want to visit San Diego in February, then you should wait until March to fly from United Kingdom, when ticket prices are also cheap, with an average price of £493.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from United Kingdom to San Diego is on a Friday when prices can be found for as low as £561. Flights from United Kingdom to San Diego on a Sunday will generally be more expensive and average around £625. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San Diego?

In the morning is the cheapest time of day to fly from United Kingdom to San Diego when you can find flight prices for as low as £558. Flying to San Diego in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around £626. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest United Kingdom to San Diego flight route?

Fly from London Heathrow to San Diego for the best United Kingdom - San Diego flight prices

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around £575 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from United Kingdom for as low as £506 on momondo.

What cabin class options are available on United Kingdom to San Diego flights?

There are 4 cabin classes available to choose from on United Kingdom to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United Kingdom to San Diego flights?

You could potentially save up to 23% on your flight if you consider stops on a United Kingdom to San Diego flight.

Cheap United Kingdom to San Diego flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to San Diego

Best price found

£255

Fastest flight time

11h 20m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from United Kingdom in the past 72 hours is £255. The best return flight deal from United Kingdom to San Diego found on momondo in the last 72 hours is £423.
The fastest flight from United Kingdom to San Diego takes 11h 20m
Direct flights go from United Kingdom to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)
Search flight deals

  • When did momondo last update prices for flights from United Kingdom to San Diego Airport?

    Prices for flights from United Kingdom to San Diego Airport refresh daily.

  • How many operators does momondo search for flights from United Kingdom to San Diego Airport?

  • How old do you have to be to fly from United Kingdom to San Diego Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from United Kingdom to San Diego?

Best airlines flying from United Kingdom to San Diego

Compare and see reviews for airlines that fly from United Kingdom to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom £377Free CancellationRating
7.5
1,465 reviews
Search Air France flights
Air CanadaPriceFrom £392Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
Virgin AtlanticPriceFrom £406Free CancellationRating
7.4
655 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £408Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
LufthansaPriceFrom £412Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
United AirlinesPriceFrom £420Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
KLMPriceFrom £430Free CancellationRating
7.8
1,383 reviews
Search KLM flights
FinnairPriceFrom £437Free CancellationRating
7.6
1,316 reviews
Search Finnair flights
American AirlinesPriceFrom £446Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom £489Free CancellationRating
7.0
2,859 reviews
Search Iberia flights

Travelling to a place near San Diego?

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

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to San Diego?

It is quick and easy to find United Kingdom to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

Can I find flights from United Kingdom to San Diego with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for United Kingdom to San Diego flights to just show those with flexible booking policies.

How can momondo help me find flights from United Kingdom to San Diego?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Diego from United Kingdom.

I’m not ready to book a flight from United Kingdom to San Diego right now. Can momondo alert me if prices change?

Yes. momondo can track prices for United Kingdom to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your San Diego trip

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