How many flights depart from London to San Diego on average per week?

The number of flights available between London and San Diego is 53 per week as of July 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

How many flights depart from London to San Diego on average per day?

The number of flights available between London and San Diego is 7 per day as of July 2025. The most frequent departure time is 14:00, with 56% of daily flights leaving in the afternoon.

Which airlines fly to San Diego?

British Airways, Virgin Atlantic and Lufthansa are the top three most popular airlines that fly to San Diego from London according to our data. British Airways is the first choice among our users, with 66% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 11 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

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?

As of July 2025, there are 11 operators available to choose from 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.

£213 Cheap Flights from London to San Diego in 2025

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

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London to San Diego

Round-trip

One-way

Last minute

Direct

Cheap return flights

14:00 - 20:29LGW-SAN

38h 29m1 stop

08:48 - 10:00SAN-LGW

17h 12m1 stop

£356

Find Deal

Wed, 10 Sep - Wed, 8 Oct

15:20 - 20:52LHR-SAN

36h 32m1 stop

22:18 - 20:35SAN-LHR

14h 17m1 stop

£422United Airlines

Find Deal

Sat, 1 Nov - Sun, 2 Nov

10:05 - 11:21LHR-SAN

32h 16m2 stops

10:20 - 07:30SAN-LHR

13h 10m1 stop

£426United Airlines

Find Deal

Sat, 1 Nov - Mon, 3 Nov

11:30 - 14:50LHR-SAN

11h 20mdirect

11:30 - 09:00SAN-LHR

13h 30m1 stop

£430British Airways

Find Deal

Wed, 10 Sep - Wed, 17 Sep

11:30 - 14:50LHR-SAN

11h 20mdirect

13:17 - 11:05SAN-LHR

13h 48m1 stop

£431British Airways

Find Deal

Wed, 10 Sep - Thu, 18 Sep

20:25 - 15:25LHR-SAN

27h 00m1 stop

17:15 - 22:40SAN-LHR

21h 25m1 stop

£434Lufthansa

Find Deal

Mon, 1 Sep - Sun, 14 Sep

20:25 - 15:25LHR-SAN

27h 00m1 stop

17:15 - 22:40SAN-LHR

21h 25m1 stop

£439Lufthansa

Find Deal

Mon, 1 Sep - Sun, 14 Sep

09:20 - 22:54LCY-SAN

21h 34m2 stops

06:15 - 07:15SAN-LCY

17h 00m2 stops

£506Virgin Atlantic

Find Deal

Wed, 10 Sep - Wed, 17 Sep

15:05 - 17:35LGW-SAN

34h 30m2 stops

22:45 - 08:10SAN-LGW

49h 25m2 stops

£506American Airlines

Find Deal

Mon, 18 Aug - Mon, 1 Sep

09:20 - 22:54LCY-SAN

21h 34m2 stops

13:55 - 16:40SAN-LCY

18h 45m1 stop

£506Virgin Atlantic

Find Deal

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

£456

Find similar

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

£538

Find similar

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

£544

Find similar

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

£430

Find similar

British Airways

10 Sept

LHR11:30London Heathrow

11h 20m

SAN14:50San Diego

18 Sept

SAN13:17San Diego

13h 48m

1 stop

LHR11:05London Heathrow

£431

Find similar

British Airways

24 Sept

LHR10:30London Heathrow

15h 33m

1 stop

SAN18:03San Diego

1 Oct

SAN19:50San Diego

10h 30m

LHR14:20London Heathrow

£436

Find similar

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

Prices

Airlines

Other information

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)

Search flight deals

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?
As of July 2025, there are 11 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to San Diego is Boeing 787-8 Dreamliner (48.91% of total bookings). The next most popular plane models are Boeing 777-300ER (25.52%), Boeing 777-300 (9.21%), and Boeing 777 (7.86%).
What is the most popular airline from London to San Diego?
Based on momondo bookings for flights between London and San Diego, the leading airline is British Airways, making up 62% of the total bookings. Other popular airlines include Iberia with 9%, Finnair with 7%, and Lufthansa with 7%.

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 France	PriceFrom £367	Free Cancellation	Rating 7.5 1,467 reviews	Search Air France flights
Air Canada	PriceFrom £382	Free Cancellation	Rating 7.1 9,692 reviews	Search Air Canada flights
British Airways	PriceFrom £393	Free Cancellation	Rating 6.6 7,109 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom £395	Free Cancellation	Rating 7.4 653 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom £400	Free Cancellation	Rating 6.8 7,199 reviews	Search Lufthansa flights
United Airlines	PriceFrom £408	Free Cancellation	Rating 7.4 8,846 reviews	Search United Airlines flights
KLM	PriceFrom £419	Free Cancellation	Rating 7.8 1,372 reviews	Search KLM flights
Finnair	PriceFrom £426	Free Cancellation	Rating 7.6 1,312 reviews	Search Finnair flights
American Airlines	PriceFrom £434	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Iberia	PriceFrom £470	Free Cancellation	Rating 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.

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.