Cheap flights from London to San Diego from £213

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to San Diego departing on 27/8. 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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Cheap return flights

 Logo
14:00 - 20:29LGW-SAN
38h 29m1 stop
 Logo
08:48 - 10:00SAN-LGW
17h 12m1 stop
Wed, 10 Sep - Wed, 8 Oct
United Airlines Logo
15:20 - 20:52LHR-SAN
36h 32m1 stop
United Airlines Logo
22:18 - 20:35SAN-LHR
14h 17m1 stop
£422United Airlines
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Sat, 1 Nov - Sun, 2 Nov
United Airlines Logo
10:05 - 11:21LHR-SAN
32h 16m2 stops
United Airlines Logo
10:20 - 07:30SAN-LHR
13h 10m1 stop
£426United Airlines
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Sat, 1 Nov - Mon, 3 Nov
British Airways Logo
11:30 - 14:50LHR-SAN
11h 20mdirect
British Airways Logo
11:30 - 09:00SAN-LHR
13h 30m1 stop
£430British Airways
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Wed, 10 Sep - Wed, 17 Sep
British Airways Logo
11:30 - 14:50LHR-SAN
11h 20mdirect
British Airways Logo
13:17 - 11:05SAN-LHR
13h 48m1 stop
£431British Airways
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Wed, 10 Sep - Thu, 18 Sep
Lufthansa Logo
20:25 - 15:25LHR-SAN
27h 00m1 stop
Lufthansa Logo
17:15 - 22:40SAN-LHR
21h 25m1 stop
£434Lufthansa
Find Deal
Mon, 1 Sep - Sun, 14 Sep
Lufthansa Logo
20:25 - 15:25LHR-SAN
27h 00m1 stop
Lufthansa Logo
17:15 - 22:40SAN-LHR
21h 25m1 stop
£439Lufthansa
Find Deal
Mon, 1 Sep - Sun, 14 Sep
Virgin Atlantic Logo
09:20 - 22:54LCY-SAN
21h 34m2 stops
Virgin Atlantic Logo
06:15 - 07:15SAN-LCY
17h 00m2 stops
£506Virgin Atlantic
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Wed, 10 Sep - Wed, 17 Sep
American Airlines Logo
15:05 - 17:35LGW-SAN
34h 30m2 stops
American Airlines Logo
22:45 - 08:10SAN-LGW
49h 25m2 stops
£506American Airlines
Find Deal
Mon, 18 Aug - Mon, 1 Sep
Virgin Atlantic Logo
09:20 - 22:54LCY-SAN
21h 34m2 stops
Virgin Atlantic Logo
13:55 - 16:40SAN-LCY
18h 45m1 stop
£506Virgin Atlantic
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Wed, 10 Sep - Thu, 18 Sep

Icelandair flights from London to San Diego

Our best Icelandair deals on London to San Diego flight tickets
Icelandair
16 Oct
LGW12:10London Gatwick
32h 32m
1 stop
SAN12:42San Diego
24 Oct
SAN11:45San Diego
13h 50m
1 stop
LGW09:35London Gatwick
Icelandair
24 Sept
LGW12:10London Gatwick
28h 50m
2 stops
SAN09:00San Diego
2 Oct
SAN20:15San Diego
29h 20m
1 stop
LGW09:35London Gatwick
Icelandair
16 Oct
LGW12:10London Gatwick
32h 32m
1 stop
SAN12:42San Diego
24 Oct
SAN11:45San Diego
13h 50m
1 stop
LGW09:35London Gatwick

British Airways flights from London to San Diego

Our best British Airways deals on London to San Diego flight tickets
British Airways
10 Sept
LHR11:30London Heathrow
11h 20m
SAN14:50San Diego
17 Sept
SAN11:30San Diego
13h 30m
1 stop
LHR09:00London Heathrow
British Airways
10 Sept
LHR11:30London Heathrow
11h 20m
SAN14:50San Diego
18 Sept
SAN13:17San Diego
13h 48m
1 stop
LHR11:05London Heathrow
British Airways
24 Sept
LHR10:30London Heathrow
15h 33m
1 stop
SAN18:03San Diego
1 Oct
SAN19:50San Diego
10h 30m
LHR14:20London Heathrow

See travel insights to San Diego from

How to get the cheapest flight ticket from London 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 March, then you should wait until February to fly from London, when ticket prices are also cheap, with an average price of £480.

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

The cheapest day to depart from London to San Diego is on a Friday when prices can be found for as low as £547. Flights from London to San Diego on a Sunday will generally be more expensive and average around £608. 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 London to San Diego when you can find flight prices for as low as £541. 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 £603. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London to San Diego flight route?

Fly from London Heathrow to San Diego for the best London - 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 London when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around £562 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 London for as low as £486 on momondo.

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

There are 3 cabin classes available to choose from on London to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London to San Diego flight prices changed over time?

As of July 2025, prices for London to San Diego flights are approximately 0% more expensive when compared to flights at the same time last year.

When to book flights from London to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from London to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to San Diego (LON to SAN) flight deals and tips

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

Best price found

£213

Fastest flight time

11h 05m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from London in the past 72 hours is £213. The best return flight deal from London to San Diego found on momondo in the last 72 hours is £356.
The fastest flight from London to San Diego takes 11h 05m
Direct flights go from London to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)

  • How far is London to San Diego by plane?

    The straight-line distance from London to San Diego is 5478.3 mi. In terms of flight time, this usually takes a little over 11h 05m.

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

    Prices for flights from London to San Diego Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to San Diego Airport.

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

    The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

  • What is the most popular airline from London to San Diego?


Best airlines flying from London to San Diego

Compare and see reviews for airlines that fly from London to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom £367Free CancellationRating
7.5
1,467 reviews
Search Air France flights
Air CanadaPriceFrom £382Free CancellationRating
7.1
9,692 reviews
Search Air Canada flights
British AirwaysPriceFrom £393Free CancellationRating
6.6
7,109 reviews
Search British Airways flights
Virgin AtlanticPriceFrom £395Free CancellationRating
7.4
653 reviews
Search Virgin Atlantic flights
LufthansaPriceFrom £400Free CancellationRating
6.8
7,199 reviews
Search Lufthansa flights
United AirlinesPriceFrom £408Free CancellationRating
7.4
8,846 reviews
Search United Airlines flights
KLMPriceFrom £419Free CancellationRating
7.8
1,372 reviews
Search KLM flights
FinnairPriceFrom £426Free CancellationRating
7.6
1,312 reviews
Search Finnair flights
American AirlinesPriceFrom £434Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom £470Free CancellationRating
7.0
2,826 reviews
Search Iberia flights
  • Finnair Flights From London to San Diego

    Across 4 Finnair flights from London to San Diego this week, the average price was £755, with the best Finnair deals starting from £579 round-trip. 1,312 users have rated Finnair on momondo, with an average score of 7.6/10.

  • American Airlines Flights From London to San Diego

    The best American Airlines deal for London to San Diego flight tickets found on momondo in the last 72 hours was £590, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at £800 round-trip. American Airlines operates 13 flights out of London into San Diego in an average week, so prices vary by time and availability. 10,000 American Airlines reviews by users on momondo have scored the airline at 7.2/10.


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 London to San Diego?

Finding the right flight to San Diego from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to San Diego from London with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to San Diego.

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

Price alerts on flights to San Diego from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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Tue 15/7
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