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Cheap flights from the United Kingdom to San Diego from £231

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 25/4. 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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Find the cheapest flights from the United Kingdom to San Diego

Recent return flight deals from the United Kingdom to San Diego

Enter your travel dates to find the best prices.
JetBlue Logo
07:25 - 20:00
LHR
-
SAN
20h 35m
1 stop
JetBlue Logo
21:05 - 20:45
SAN
-
LHR
16h 40m
1 stop
£443JetBlue
Thu, 26 Feb - Sun, 15 Mar
JetBlue Logo
07:45 - 20:00
LHR
-
SAN
20h 15m
1 stop
JetBlue Logo
12:49 - 09:30
SAN
-
LHR
13h 41m
1 stop
£445JetBlue
Sun, 1 Mar - Wed, 11 Mar
United Airlines Logo
10:00 - 18:05
LHR
-
SAN
16h 05m
1 stop
United Airlines Logo
06:36 - 07:25
SAN
-
LHR
16h 49m
1 stop
£466United Airlines
Wed, 8 Apr - Wed, 15 Apr
Lufthansa Logo
06:25 - 16:45
MAN
-
SAN
17h 20m
1 stop
Lufthansa Logo
11:00 - 17:05
SAN
-
MAN
22h 05m
2 stops
£562Lufthansa
Tue, 10 Mar - Tue, 21 Apr
Lufthansa Logo
06:00 - 19:48
MAN
-
SAN
20h 48m
2 stops
Lufthansa Logo
11:57 - 16:55
SAN
-
MAN
21h 58m
2 stops
£567Lufthansa
Wed, 18 Mar - Wed, 25 Mar
Virgin Atlantic Logo
05:50 - 13:05
EDI
-
SAN
14h 15m
1 stop
Virgin Atlantic Logo
07:00 - 07:05
SAN
-
EDI
16h 05m
1 stop
£573Virgin Atlantic
Tue, 24 Mar - Tue, 31 Mar
Virgin Atlantic Logo
07:45 - 20:48
LCY
-
SAN
20h 03m
2 stops
Virgin Atlantic Logo
07:00 - 07:15
SAN
-
LCY
17h 15m
2 stops
£581Virgin Atlantic
Wed, 11 Mar - Tue, 17 Mar
United Airlines Logo
08:25 - 20:45
EDI
-
SAN
19h 20m
2 stops
United Airlines Logo
22:15 - 06:55
SAN
-
EDI
25h 40m
2 stops
£602United Airlines
Thu, 12 Mar - Mon, 16 Mar
British Airways Logo
08:35 - 14:55
GLA
-
SAN
14h 20m
1 stop
British Airways Logo
06:15 - 13:25
SAN
-
GLA
23h 10m
2 stops
£646British Airways
Thu, 7 May - Mon, 11 May
British Airways Logo
21:20 - 18:46
GLA
-
SAN
29h 26m
2 stops
British Airways Logo
06:15 - 13:25
SAN
-
GLA
23h 10m
2 stops
£650British Airways
Thu, 7 May - Mon, 11 May

British Airways flights from United Kingdom to San Diego

Our best British Airways deals on United Kingdom to San Diego flight tickets
British Airways
10 Mar
LHR12:50London Heathrow
11h 20m
SAN17:10San Diego
31 Mar
SAN14:46San Diego
13h 24m
1 stop
LHR12:10London Heathrow
£521
British Airways
11 Mar
LHR12:50London Heathrow
11h 20m
SAN17:10San Diego
17 Mar
SAN15:19San Diego
13h 16m
1 stop
LHR11:35London Heathrow
£529
British Airways
21 Apr
LHR11:35London Heathrow
11h 20m
SAN14:55San Diego
29 Apr
SAN14:04San Diego
14h 06m
1 stop
LHR12:10London Heathrow
£536

Lufthansa flights from United Kingdom to San Diego

Our best Lufthansa deals on United Kingdom to San Diego flight tickets
Lufthansa
11 Mar
LHR08:45London Heathrow
15h 00m
1 stop
SAN16:45San Diego
16 Mar
SAN12:55San Diego
13h 45m
1 stop
LHR09:40London Heathrow
£499
Lufthansa
10 Mar
LHR06:35London Heathrow
17h 10m
1 stop
SAN16:45San Diego
31 Mar
SAN12:40San Diego
15h 40m
1 stop
LHR12:20London Heathrow
£500
Lufthansa
21 Apr
LHR07:25London Heathrow
16h 00m
1 stop
SAN15:25San Diego
29 Apr
SAN06:20San Diego
16h 25m
1 stop
LHR06:45London Heathrow
£509

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 10 February 2026.
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

LHR - SAN

LHRSAN

London Heathrow

Thu 26/2

07:25-20:00

1 stop20h 35m

San Diego

Sun 15/3

21:05-20:45

1 stop16h 40m

£443

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Sun 1/3

07:45-20:00

1 stop20h 15m

San Diego

Wed 11/3

12:49-09:30

1 stop13h 41m

£445

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Wed 8/4

10:00-18:05

1 stop16h 05m

San Diego

Wed 15/4

06:36-07:25

1 stop16h 49m

£466

ManchesterSan Diego

MAN - SAN

MANSAN

Manchester

Tue 10/3

06:25-16:45

1 stop17h 20m

San Diego

Tue 21/4

11:00-17:05

2 stops22h 05m

£562

ManchesterSan Diego

MAN - SAN

MANSAN

Manchester

Wed 18/3

06:00-19:48

2 stops20h 48m

San Diego

Wed 25/3

11:57-16:55

2 stops21h 58m

£567

EdinburghSan Diego

EDI - SAN

EDISAN

Edinburgh Turnhouse

Tue 24/3

05:50-13:05

1 stop14h 15m

San Diego

Tue 31/3

07:00-07:05

1 stop16h 05m

£572

LondonSan Diego

LCY - SAN

LCYSAN

London City

Wed 11/3

07:45-20:48

2 stops20h 03m

San Diego

Tue 17/3

07:00-07:15

2 stops17h 15m

£581

EdinburghSan Diego

EDI - SAN

EDISAN

Edinburgh Turnhouse

Thu 12/3

08:25-20:45

2 stops19h 20m

San Diego

Mon 16/3

22:15-06:55

2 stops25h 40m

£602

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Thu 7/5

08:35-14:55

1 stop14h 20m

San Diego

Mon 11/5

06:15-13:25

2 stops23h 10m

£646

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Thu 7/5

21:20-18:46

2 stops29h 26m

San Diego

Mon 11/5

06:15-13:25

2 stops23h 10m

£650

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 January, then you should wait until February to fly from United Kingdom, when ticket prices are also cheap, with an average price of £505.

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 Wednesday when prices can be found for as low as £576. Flights from United Kingdom to San Diego on a Sunday will generally be more expensive and average around £656. 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 £592. Flying to San Diego in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at midday because they tend to be around £602. 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 £586 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 £540 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 6% 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

£515

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 £515. The best return flight deal from United Kingdom to San Diego found on momondo in the last 72 hours is £536.
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 in San Diego. From United Kingdom there are direct flights to 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 CanadaPriceFrom £381Free CancellationRating
7.1
10,700 reviews
Search Air Canada flights
FinnairPriceFrom £391Free CancellationRating
7.6
1,360 reviews
Search Finnair flights
LufthansaPriceFrom £413Free CancellationRating
6.8
7,775 reviews
Search Lufthansa flights
United AirlinesPriceFrom £416Free CancellationRating
7.4
9,264 reviews
Search United Airlines flights
British AirwaysPriceFrom £429Free CancellationRating
6.7
7,723 reviews
Search British Airways flights
KLMPriceFrom £447Free CancellationRating
7.7
1,450 reviews
Search KLM flights
Virgin AtlanticPriceFrom £462Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
JetBluePriceFrom £476Free CancellationRating
7.2
2,892 reviews
Search JetBlue flights
American AirlinesPriceFrom £476Free CancellationRating
7.2
11,258 reviews
Search American Airlines flights
IberiaPriceFrom £486Free CancellationRating
7.0
3,110 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.

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