What is the most punctual flight time for London to San Diego flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

How often are flights from London to San Diego delayed?

Historically, on average around 16% of flights between London and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 146 minutes.

Which stopover airport offers the lowest fares from London to San Diego?

Flights via Los Angeles (LAX) offer the lowest average return price of £460.

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 65% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 12 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

Which stopover airport has the shortest connection time from London to San Diego?

Denver (DEN) has the shortest average stopover time for this route: 1h 23m.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from London to San Diego?

British Airways, JetBlue, and Lufthansa are the most popular carriers operating from London to San Diego

Which airport is the most popular for stopovers for flights between London and San Diego?

Los Angeles (LAX) was the most common stop: 31% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport has the shortest travel time from London to San Diego?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 13h 43m.

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

The number of flights available between London and San Diego is 5 per day as of December 2025. The most frequent departure time is 12:00, with 100% of daily flights leaving in the afternoon.

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

The number of flights available between London and San Diego is 36 per week as of December 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

Which airline has the best punctuality record on London to San Diego flights?

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

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 December 2025, there are 12 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.

£270 Cheap Flights from London to San Diego in 2025/26

Q: What is the typical price of a round-trip flight between London and San Diego?

Prices are currently low for flights on this route. Typical prices usually range from £635 to £936. The lowest price recently found on this route was £554.

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

Enter your travel dates to find the best prices.

09:00 - 22:33

LHR

SAN

21h 33m2 stops

08:10 - 06:40

SAN

LHR

14h 30m1 stop

£554Multiple Airlines

Fri, 23 Jan - Sat, 31 Jan

12:50 - 16:10

LHR

SAN

11h 20mdirect

18:00 - 12:35

SAN

LHR

10h 35mdirect

£555Multiple Airlines

Mon, 26 Jan - Mon, 9 Feb

12:50 - 16:10

LHR

SAN

11h 20mdirect

18:00 - 12:35

SAN

LHR

10h 35mdirect

£556British Airways

Wed, 11 Feb - Wed, 18 Feb

08:45 - 20:43

LHR

SAN

19h 58m2 stops

08:15 - 10:00

SAN

LHR

17h 45m2 stops

£556Multiple Airlines

Fri, 1 May - Wed, 13 May

12:50 - 16:10

LHR

SAN

11h 20mdirect

18:00 - 12:35

SAN

LHR

10h 35mdirect

£558Multiple Airlines

Mon, 26 Jan - Mon, 9 Feb

11:45 - 20:36

LHR

SAN

16h 51m1 stop

18:00 - 12:35

SAN

LHR

10h 35mdirect

£559American Airlines

Mon, 12 Jan - Mon, 26 Jan

14:30 - 17:50

LHR

SAN

11h 20mdirect

19:40 - 14:20

SAN

LHR

10h 40mdirect

£560British Airways

Fri, 1 May - Wed, 13 May

07:45 - 19:50

LHR

SAN

20h 05m1 stop

15:30 - 22:00

SAN

LHR

22h 30m1 stop

£562JetBlue

Sun, 11 Jan - Fri, 16 Jan

09:20 - 22:31

LCY

SAN

21h 11m2 stops

08:05 - 08:50

SAN

LCY

16h 45m2 stops

£580Virgin Atlantic

Mon, 26 Jan - Mon, 9 Feb

08:40 - 20:37

LCY

SAN

19h 57m2 stops

07:05 - 07:15

SAN

LCY

16h 10m2 stops

£580Virgin Atlantic

Mon, 26 Jan - Mon, 9 Feb

United Airlines flights from London to San Diego

Our best United Airlines deals on London to San Diego flight tickets

United Airlines

11 May

LHR06:55London Heathrow

16h 30m

1 stop

SAN15:25San Diego

27 May

SAN13:48San Diego

16h 22m

1 stop

LHR14:10London Heathrow

£565

Find similar

United Airlines

12 Feb

LHR10:00London Heathrow

20h 00m

1 stop

SAN22:00San Diego

19 Feb

SAN08:00San Diego

15h 30m

1 stop

LHR07:30London Heathrow

£571

Find similar

United Airlines

13 Mar

LHR06:35London Heathrow

20h 13m

2 stops

SAN19:48San Diego

27 Mar

SAN20:50San Diego

28h 50m

2 stops

LHR08:40London Heathrow

£577

Find similar

Delta flights from London to San Diego

Our best Delta deals on London to San Diego flight tickets

Delta

14 Feb

LHR08:40London Heathrow

20h 13m

2 stops

SAN20:53San Diego

18 Feb

SAN06:20San Diego

17h 30m

2 stops

LHR07:50London Heathrow

£576

Find similar

Delta

20 Dec

LCY08:40London City

17h 38m

2 stops

SAN18:18San Diego

2 Jan

SAN07:20San Diego

16h 50m

2 stops

LCY08:10London City

£1,912

Find similar

Delta

20 Dec

LCY08:40London City

17h 38m

2 stops

SAN18:18San Diego

2 Jan

SAN07:20San Diego

16h 50m

2 stops

LCY08:10London City

£2,090

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Fri 23/1

09:00-22:33

2 stops21h 33m

San Diego

Sat 31/1

08:10-06:40

1 stop14h 30m

£554

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 26/1

12:50-16:10

Nonstop11h 20m

San Diego

Mon 9/2

18:00-12:35

Nonstop10h 35m

£555

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Wed 11/2

12:50-16:10

Nonstop11h 20m

San Diego

Wed 18/2

18:00-12:35

Nonstop10h 35m

£556

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Fri 1/5

08:45-20:43

2 stops19h 58m

San Diego

Wed 13/5

08:15-10:00

2 stops17h 45m

£556

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 26/1

12:50-16:10

Nonstop11h 20m

San Diego

Mon 9/2

18:00-12:35

Nonstop10h 35m

£558

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 12/1

11:45-20:36

1 stop16h 51m

San Diego

Mon 26/1

18:00-12:35

Nonstop10h 35m

£559

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Fri 1/5

14:30-17:50

Nonstop11h 20m

San Diego

Wed 13/5

19:40-14:20

Nonstop10h 40m

£560

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Sun 11/1

07:45-19:50

1 stop20h 05m

San Diego

Fri 16/1

15:30-22:00

1 stop22h 30m

£562

LondonSan Diego

LCY - SAN

LCYSAN

London City

Mon 26/1

09:20-22:31

2 stops21h 11m

San Diego

Mon 9/2

08:05-08:50

2 stops16h 45m

£580

LondonSan Diego

LCY - SAN

LCYSAN

London City

Mon 26/1

08:40-20:37

2 stops19h 57m

San Diego

Mon 9/2

07:05-07:15

2 stops16h 10m

£580

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Delays

Stopovers

Other information

What is the typical price of a round-trip flight between London and San Diego?

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 January to fly from London, 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 London to San Diego is on a Tuesday when prices can be found for as low as £555. Flights from London to San Diego on a Sunday will generally be more expensive and average around £607. 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 London to San Diego when you can find flight prices for as low as £556. 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 £668. 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 £580 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 £521 on momondo.

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

There are 4 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.

Can stopping save me money on London to San Diego flights?

You could potentially save up to 30% on your flight if you consider stops on a London to San Diego flight.

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

As of December 2025, prices for London to San Diego flights are approximately 14% cheaper 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	£545
Fastest flight time	11h 20m
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 £545. The best return flight deal from London to San Diego found on momondo in the last 72 hours is £571.

The fastest flight from London to San Diego takes 11h 20m

Direct flights go from London to San Diego every day.

There is 1 airport in San Diego. From London there are direct flights to 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 20m.
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 December 2025, there are 12 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 777 (48.87% of total bookings). The next most popular plane models are Boeing 787-8 Dreamliner (19.02%), Boeing 777-300ER (14.84%), and Airbus A350-1000 (9.07%).
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 59% of the total bookings. Other popular airlines include Lufthansa with 9%, Iberia with 8%, and Virgin Atlantic with 6%.

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 Canada	PriceFrom £388	Free Cancellation	Rating 7.1 10,518 reviews	Search Air Canada flights
Virgin Atlantic	PriceFrom £401	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom £404	Free Cancellation	Rating 6.8 7,626 reviews	Search Lufthansa flights
British Airways	PriceFrom £410	Free Cancellation	Rating 6.7 7,571 reviews	Search British Airways flights
Air France	PriceFrom £417	Free Cancellation	Rating 7.4 1,504 reviews	Search Air France flights
United Airlines	PriceFrom £421	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
Finnair	PriceFrom £424	Free Cancellation	Rating 7.6 1,335 reviews	Search Finnair flights
KLM	PriceFrom £426	Free Cancellation	Rating 7.7 1,432 reviews	Search KLM flights
JetBlue	PriceFrom £456	Free Cancellation	Rating 7.2 2,898 reviews	Search JetBlue flights
Iberia	PriceFrom £477	Free Cancellation	Rating 7.0 3,048 reviews	Search Iberia flights

Finnair Flights From London to San Diego
Across 6 Finnair flights from London to San Diego this week, the average price was £551, with the best Finnair deals starting from £424 round-trip. 1,335 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 £488, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at £666 round-trip. American Airlines operates 6 flights out of London into San Diego in an average week, so prices vary by time and availability. 11,051 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.

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

Sun 11/1

Sun 18/1

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing California

Burbank Bob Hope Airport

Fresno Airterminal Airport

Los Angeles Airport

Long Beach Municipal Airport

Monterey Regional Airport

Santa Barbara Airport

San Luis Obispo County Airport

San Francisco Airport

San Jose Airport

Sacramento Intl Airport

Santa Ana J. Wayne/Orange Cnty Airport

Santa Rosa Sonoma County Airport

Orange County Airport

Yosemite National Park Airport

San Francisco Bay Area Airport

Popular Cities in the United States

Flights to New Yorkfrom £272

Flights to Orlandofrom £238

Flights to Los Angelesfrom £352

Flights to Miamifrom £348

Flights to San Franciscofrom £360

Flights to Chicagofrom £371

Flights to Las Vegasfrom £400

Flights to Bostonfrom £301

Flights to Washington, D.C.from £333

Flights to Atlantafrom £364

Flights to Dallasfrom £365

Flights to Houstonfrom £367

Cheap flights from London to San Diego from £270

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 27/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London to San Diego

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

United Airlines flights from London to San Diego

Our best United Airlines deals on London to San Diego flight tickets

Delta flights from London to San Diego

Our best Delta deals on London to San Diego flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from London to San Diego that are best for you.

See travel insights to San Diego from

How to get the cheapest flight ticket from London to San Diego

What is the typical price of a round-trip flight between London and San Diego?

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 January to fly from London, 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?

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

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?

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

There are 4 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.

Can stopping save me money on London to San Diego flights?

You could potentially save up to 30% on your flight if you consider stops on a London to San Diego flight.

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

As of December 2025, prices for London to San Diego flights are approximately 14% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from London to San Diego?

British Airways, JetBlue, and Lufthansa are the most popular carriers operating from London to San Diego

Which airlines fly to San Diego?

How often are flights from London to San Diego delayed?

Historically, on average around 16% of flights between London and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 146 minutes.

What is the most punctual flight time for London to San Diego flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on London to San Diego flights?

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

Which airport is the most popular for stopovers for flights between London and San Diego?

Los Angeles (LAX) was the most common stop: 31% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from London to San Diego?

Flights via Los Angeles (LAX) offer the lowest average return price of £460.

Which stopover airport has the shortest travel time from London to San Diego?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 13h 43m.

Which stopover airport has the shortest connection time from London to San Diego?

Denver (DEN) has the shortest average stopover time for this route: 1h 23m.

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

The number of flights available between London and San Diego is 5 per day as of December 2025. The most frequent departure time is 12:00, with 100% of daily flights leaving in the afternoon.

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

The number of flights available between London and San Diego is 36 per week as of December 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

When to book flights from London to San Diego

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

Fastest flight time

Direct flights

Airports in San Diego

How far is London to San Diego by plane?

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

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?

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

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

Finnair Flights From London to San Diego

American Airlines Flights From London to San Diego

Travelling to a place near San Diego?

Why use momondo?