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

As of October 2025, 30 flights take off from London and land in San Diego each week. The most common flight departure day for this route is Tue, with 20% of weekly flights taking off on this day.

What airlines fly to San Diego?

British Airways, United Airlines and American Airlines 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 52% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 4 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

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

Virgin Atlantic, SWISS, and United Airlines are the most popular carriers operating from London to San Diego

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

The number of flights available between London and San Diego is 4 per day as of October 2025. The most frequent departure time is 2:00PM, with 63% of daily flights leaving in the afternoon.

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

Prices for flights from London to San Diego Airport are refreshed on a daily basis.

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

There are 4 operators available for flights from London to San Diego Airport as of October 2025.

How old do you have to be to fly from London 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 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.

$527 Cheap Flights from London to San Diego in 2025/26

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8:45 am - 3:45 pmLHR-SAN

15h 00m1 stop

2:10 pm - 11:15 amSAN-LHR

13h 05m1 stop

$631Lufthansa

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Wed, Feb 18 - Tue, Feb 24

8:45 am - 3:45 pmLHR-SAN

15h 00m1 stop

5:45 pm - 7:25 amSAN-LHR

29h 40m1 stop

$635Lufthansa

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Tue, Nov 25 - Sun, Dec 14

7:30 am - 5:29 pmLHR-SAN

17h 59m2 stops

10:23 am - 7:30 amSAN-LHR

13h 07m1 stop

$660United Airlines

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Tue, Nov 25 - Tue, Dec 9

12:50 pm - 4:10 pmLHR-SAN

11h 20mnonstop

9:25 am - 6:35 amSAN-LHR

13h 10m1 stop

$664British Airways

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Wed, Feb 11 - Wed, Feb 18

1:30 pm - 12:13 amLHR-SAN

18h 43m2 stops

8:40 pm - 9:20 pmSAN-LHR

16h 40m2 stops

$671United Airlines

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Tue, Nov 25 - Sun, Dec 14

12:50 pm - 4:10 pmLHR-SAN

11h 20mnonstop

1:19 pm - 11:40 amSAN-LHR

14h 21m1 stop

$672British Airways

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Mon, Jan 12 - Tue, Feb 3

12:30 pm - 9:54 amLGW-SAN

29h 24m2 stops

6:15 am - 9:00 amSAN-LGW

18h 45m2 stops

$689American Airlines

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Wed, Dec 10 - Wed, Dec 17

11:20 am - 7:19 pmLGW-SAN

39h 59m2 stops

10:30 pm - 9:00 amSAN-LGW

26h 30m2 stops

$724American Airlines

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Fri, Feb 20 - Tue, Feb 24

7:45 am - 8:34 pmLCY-SAN

20h 49m2 stops

6:24 am - 7:15 amSAN-LCY

16h 51m2 stops

$845Delta

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Wed, Nov 12 - Tue, Nov 25

7:45 am - 9:13 pmLCY-SAN

21h 28m2 stops

7:00 am - 7:15 amSAN-LCY

16h 15m2 stops

$885Delta

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Thu, Nov 13 - Thu, Nov 27

Lufthansa flights from London to San Diego

Our best Lufthansa deals on London to San Diego flight tickets

Lufthansa

Feb 18

LHR8:45 amLondon Heathrow

15h 00m

1 stop

SAN3:45 pmSan Diego

Feb 24

SAN2:10 pmSan Diego

13h 05m

1 stop

LHR11:15 amLondon Heathrow

$631

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Lufthansa

Nov 25

LHR8:45 amLondon Heathrow

15h 00m

1 stop

SAN3:45 pmSan Diego

Dec 14

SAN5:45 pmSan Diego

29h 40m

1 stop

LHR7:25 amLondon Heathrow

$635

Find similar

Lufthansa

Nov 26

LHR8:45 amLondon Heathrow

15h 00m

1 stop

SAN3:45 pmSan Diego

Dec 3

SAN12:50 pmSan Diego

12h 50m

1 stop

LHR9:40 amLondon Heathrow

$661

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United Airlines flights from London to San Diego

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

United Airlines

Nov 25

LHR7:30 amLondon Heathrow

17h 59m

2 stops

SAN5:29 pmSan Diego

Dec 9

SAN10:23 amSan Diego

13h 07m

1 stop

LHR7:30 amLondon Heathrow

$660

Find similar

United Airlines

Nov 25

LHR1:30 pmLondon Heathrow

18h 43m

2 stops

SAN12:13 amSan Diego

Dec 14

SAN8:40 pmSan Diego

16h 40m

2 stops

LHR9:20 pmLondon Heathrow

$671

Find similar

United Airlines

Dec 3

LHR6:30 amLondon Heathrow

19h 58m

2 stops

SAN6:28 pmSan Diego

Dec 8

SAN7:05 amSan Diego

15h 15m

1 stop

LHR6:20 amLondon Heathrow

$686

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Fly from

Fly to

Route

Depart

Return

Price

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Wed 2/18

8:45 am-3:45 pm

1 stop15h 00m

San Diego

Tue 2/24

2:10 pm-11:15 am

1 stop13h 05m

$631

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Tue 11/25

8:45 am-3:45 pm

1 stop15h 00m

San Diego

Sun 12/14

5:45 pm-7:25 am

1 stop29h 40m

$635

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Tue 11/25

7:30 am-5:29 pm

2 stops17h 59m

San Diego

Tue 12/9

10:23 am-7:30 am

1 stop13h 07m

$660

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Wed 2/11

12:50 pm-4:10 pm

Nonstop11h 20m

San Diego

Wed 2/18

9:25 am-6:35 am

1 stop13h 10m

$664

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Tue 11/25

1:30 pm-12:13 am

2 stops18h 43m

San Diego

Sun 12/14

8:40 pm-9:20 pm

2 stops16h 40m

$671

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 1/12

12:50 pm-4:10 pm

Nonstop11h 20m

San Diego

Tue 2/3

1:19 pm-11:40 am

1 stop14h 21m

$672

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Wed 12/10

12:30 pm-9:54 am

2 stops29h 24m

San Diego

Wed 12/17

6:15 am-9:00 am

2 stops18h 45m

$689

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Fri 2/20

11:20 am-7:19 pm

2 stops39h 59m

San Diego

Tue 2/24

10:30 pm-9:00 am

2 stops26h 30m

$724

LondonSan Diego

LCY - SAN

LCYSAN

London City

Wed 11/12

7:45 am-8:34 pm

2 stops20h 49m

San Diego

Tue 11/25

6:24 am-7:15 am

2 stops16h 51m

$845

LondonSan Diego

LCY - SAN

LCYSAN

London City

Thu 11/13

7:45 am-9:13 pm

2 stops21h 28m

San Diego

Thu 11/27

7:00 am-7:15 am

2 stops16h 15m

$885

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

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of February, then departing from London during the month March is also very affordable. Most momondo users find prices during this month for around $680.

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 Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $740. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $955. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

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

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $800. Flights in the morning are often more expensive with an average ticket price of $806.

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 $772 when searching weeks out. 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 $704 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.

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

You could potentially save up to 28% 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 October 2025, prices for London to San Diego flights are approximately 5% 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 round-trip 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	$582
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 $582. The best round-trip flight deal from London to San Diego found on momondo in the last 72 hours is $719.

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 near San Diego: San Diego (SAN)

Search flight deals

How far is London to San Diego by plane?
London and San Diego are 5478.3 mi apart from one another. Flights usually cover this in 11h 20m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London to San Diego Airport?
Prices for flights from London to San Diego Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London to San Diego Airport?
There are 4 operators available for flights from London to San Diego Airport as of October 2025.
How old do you have to be to fly from London 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 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?
momondo data reveals that the most frequently booked plane model on the route from London to San Diego is Boeing 787-8 Dreamliner, representing 37.25% of all bookings. The subsequent popular models are Boeing 777 at 35.02%, Boeing 777-300ER at 13.29%, and Airbus A350-1000 at 6.65%.
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 48% of the total bookings. Other popular airlines include American Airlines with 22%, Iberia with 14%, and Delta 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
United Airlines	PriceFrom $533	Free Cancellation	Rating 7.4 8,997 reviews	Search United Airlines flights
British Airways	PriceFrom $589	Free Cancellation	Rating 6.7 7,482 reviews	Search British Airways flights
Iberia	PriceFrom $599	Free Cancellation	Rating 7.0 3,001 reviews	Search Iberia flights
American Airlines	PriceFrom $664	Free Cancellation	Rating 7.2 11,034 reviews	Search American Airlines flights

American Airlines Flights From London to San Diego
American Airlines operates around 5 flights from London to San Diego every week. The average price of these flights found in the last 72 hours has been $843, but momondo users have found American Airlines deals from London to San Diego from as low as $664 round-trip. American Airlines has been scored 7.2/10 in 11,034 reviews.
Iberia Flights From London to San Diego
Another popular option for London to San Diego flights is Iberia (7.0/10, 3,001 ratings). Iberia flies from London to San Diego around 5 times per week, with deals starting from $599 round-trip and rising to an average price of around $804.

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La Mesa

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Poway

Borrego Springs

San Ysidro

Lemon Grove

Alpine

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Why use momondo?

Why should I use momondo to find a flight deal from London to San Diego?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Diego from London.

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

Flights from London to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential London to San Diego flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to San Diego, momondo offers a useful price alert feature which will track prices for flights to San Diego from London and alert you when they change.

An easier way to manage your San Diego trip

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Flights to Seattlefrom $45

Cheap flights from London to San Diego from $527

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 3/18. 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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Our best United Airlines deals on London to San Diego flight tickets

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

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of February, then departing from London during the month March is also very affordable. Most momondo users find prices during this month for around $680.

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?

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $800. Flights in the morning are often more expensive with an average ticket price of $806.

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 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.

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

You could potentially save up to 28% 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 October 2025, prices for London to San Diego flights are approximately 5% more expensive when compared to flights at the same time last year.

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

Virgin Atlantic, SWISS, and United Airlines are the most popular carriers operating from London to San Diego

What airlines fly to San Diego?

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

The number of flights available between London and San Diego is 4 per day as of October 2025. The most frequent departure time is 2:00PM, with 63% of daily flights leaving in the afternoon.

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

As of October 2025, 30 flights take off from London and land in San Diego each week. The most common flight departure day for this route is Tue, with 20% of weekly flights taking off 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

American Airlines Flights From London to San Diego

Iberia Flights From London to San Diego

Traveling to a place near San Diego?

Why use momondo?

Why should I use momondo to find a flight deal from London to San Diego?

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

How can momondo help me find flights 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?

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California