Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from the United Kingdom to San Diego from £372

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 24/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from the United Kingdom to San Diego

Recent return flight deals from the United Kingdom to San Diego

Air Canada Logo
09:30 - 19:35LHR-SAN
18h 05m1 stop
Air Canada Logo
08:10 - 11:50SAN-LHR
19h 40m2 stops
£460Air Canada
Find Deal
Thu, 2 Oct - Sun, 5 Oct
United Airlines Logo
11:25 - 17:17LHR-SAN
13h 52m1 stop
United Airlines Logo
10:15 - 07:40SAN-LHR
13h 25m1 stop
£461United Airlines
Find Deal
Sat, 27 Sep - Wed, 22 Oct
British Airways Logo
12:50 - 16:10LHR-SAN
11h 20mdirect
British Airways Logo
10:56 - 06:50SAN-LHR
35h 54m1 stop
£468British Airways
Find Deal
Tue, 9 Dec - Mon, 12 Jan
British Airways Logo
12:50 - 16:10LHR-SAN
11h 20mdirect
British Airways Logo
16:25 - 13:15SAN-LHR
12h 50m1 stop
£469British Airways
Find Deal
Thu, 13 Nov - Wed, 19 Nov
Lufthansa Logo
06:35 - 15:45LHR-SAN
17h 10m1 stop
Lufthansa Logo
13:00 - 09:40SAN-LHR
12h 40m1 stop
£471Lufthansa
Find Deal
Thu, 11 Dec - Sat, 10 Jan
Lufthansa Logo
07:40 - 15:45LHR-SAN
16h 05m1 stop
Lufthansa Logo
13:00 - 09:40SAN-LHR
12h 40m1 stop
£471Lufthansa
Find Deal
Thu, 11 Dec - Sat, 10 Jan
Finnair Logo
15:35 - 19:23LHR-SAN
34h 48m2 stops
Finnair Logo
15:05 - 06:20SAN-LHR
31h 15m2 stops
£475Finnair
Find Deal
Tue, 28 Oct - Fri, 14 Nov
Finnair Logo
10:05 - 18:05LHR-SAN
16h 00m1 stop
Finnair Logo
10:47 - 08:35SAN-LHR
13h 48m1 stop
£477Finnair
Find Deal
Mon, 3 Nov - Mon, 17 Nov
Virgin Atlantic Logo
14:30 - 23:06LHR-SAN
16h 36m1 stop
Virgin Atlantic Logo
22:10 - 10:00SAN-LHR
27h 50m1 stop
£482Virgin Atlantic
Find Deal
Tue, 14 Oct - Sun, 19 Oct
Virgin Atlantic Logo
17:10 - 12:00LCY-SAN
26h 50m1 stop
Virgin Atlantic Logo
13:55 - 16:40SAN-LCY
18h 45m1 stop
£494Virgin Atlantic
Find Deal
Mon, 6 Oct - Tue, 14 Oct

SWISS flights from United Kingdom to San Diego

Our best SWISS deals on United Kingdom to San Diego flight tickets
SWISS
17 Nov
LGW18:40London Gatwick
34h 08m
2 stops
SAN20:48San Diego
24 Nov
SAN16:01San Diego
17h 49m
2 stops
LGW17:50London Gatwick
£463
Find similar
SWISS
3 Nov
LHR09:00London Heathrow
19h 48m
2 stops
SAN20:48San Diego
17 Nov
SAN13:10San Diego
20h 40m
2 stops
LHR17:50London Heathrow
£480
Find similar
SWISS
3 Nov
LCY09:15London City
19h 33m
2 stops
SAN20:48San Diego
17 Nov
SAN13:10San Diego
19h 55m
2 stops
LCY17:05London City
£483
Find similar

Icelandair flights from United Kingdom to San Diego

Our best Icelandair deals on United Kingdom to San Diego flight tickets
Icelandair
19 Sept
LHR08:25London Heathrow
32h 36m
2 stops
SAN09:01San Diego
29 Sept
SAN20:55San Diego
25h 35m
1 stop
LHR06:30London Heathrow
£461
Find similar
Icelandair
15 Nov
LHR12:20London Heathrow
30h 19m
2 stops
SAN10:39San Diego
22 Nov
SAN21:15San Diego
25h 40m
2 stops
LHR06:55London Heathrow
£463
Find similar
Icelandair
22 Sept
LHR08:25London Heathrow
32h 36m
2 stops
SAN09:01San Diego
27 Sept
SAN20:55San Diego
28h 35m
2 stops
LHR09:30London Heathrow
£466
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 17 September 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

LHR - SAN

LHRSAN

London Heathrow

Thu 2/10

09:30-19:35

1 stop18h 05m

San Diego

Sun 5/10

08:10-11:50

2 stops19h 40m

£460

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Sat 27/9

11:25-17:17

1 stop13h 52m

San Diego

Wed 22/10

10:15-07:40

1 stop13h 25m

£461

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Tue 9/12

12:50-16:10

Nonstop11h 20m

San Diego

Mon 12/1

10:56-06:50

1 stop35h 54m

£468

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Thu 13/11

12:50-16:10

Nonstop11h 20m

San Diego

Wed 19/11

16:25-13:15

1 stop12h 50m

£469

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Thu 11/12

06:35-15:45

1 stop17h 10m

San Diego

Sat 10/1

13:00-09:40

1 stop12h 40m

£471

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Thu 11/12

07:40-15:45

1 stop16h 05m

San Diego

Sat 10/1

13:00-09:40

1 stop12h 40m

£471

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Tue 28/10

15:35-19:23

2 stops34h 48m

San Diego

Fri 14/11

15:05-06:20

2 stops31h 15m

£475

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 3/11

10:05-18:05

1 stop16h 00m

San Diego

Mon 17/11

10:47-08:35

1 stop13h 48m

£477

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Tue 14/10

14:30-23:06

1 stop16h 36m

San Diego

Sun 19/10

22:10-10:00

1 stop27h 50m

£482

LondonSan Diego

LCY - SAN

LCYSAN

London City

Mon 6/10

17:10-12:00

1 stop26h 50m

San Diego

Tue 14/10

13:55-16:40

1 stop18h 45m

£494

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 £486.

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 Saturday when prices can be found for as low as £548. Flights from United Kingdom to San Diego on a Sunday will generally be more expensive and average around £589. 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 evening is the cheapest time of day to fly from United Kingdom to San Diego when you can find flight prices for as low as £546. Flying to San Diego in the evening 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 £641. 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 £560 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 £493 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 34% 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

£670

Fastest flight time

11h 05m

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 £670. The best return flight deal from United Kingdom to San Diego found on momondo in the last 72 hours is £541.
The fastest flight from United Kingdom to San Diego takes 11h 05m
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 £366Free CancellationRating
7.4
1,468 reviews
Search Air France flights
Air CanadaPriceFrom £381Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
FinnairPriceFrom £391Free CancellationRating
7.6
1,324 reviews
Search Finnair flights
Virgin AtlanticPriceFrom £394Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £397Free CancellationRating
6.7
7,363 reviews
Search British Airways flights
LufthansaPriceFrom £408Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
United AirlinesPriceFrom £416Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
KLMPriceFrom £419Free CancellationRating
7.8
1,386 reviews
Search KLM flights
American AirlinesPriceFrom £433Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom £472Free CancellationRating
7.0
2,924 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 17/10
Fri 24/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States