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

According to our data, British Airways have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

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

SWISS and Lufthansa are the most popular carriers operating from London to San Diego

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 in the early afternoon have, in the past, seen delays more frequently in comparison.

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.

How often are flights from London to San Diego delayed?

Historically, on average around 17% 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 144 minutes.

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

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

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 November 2025. The most frequent departure time is 12:00PM, with 100% of daily flights leaving in the afternoon.

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

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

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 November 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.

$330 Cheap Flights from London to San Diego in 2025/26

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6:35 am - 3:45 pmLHR-SAN

17h 10m1 stop

10:40 pm - 8:35 pmSAN-LHR

13h 55m1 stop

$688United Airlines

Find Deal

Wed, Jan 28 - Sun, Feb 1

2:30 pm - 5:50 pmLHR-SAN

11h 20mnonstop

9:44 am - 6:50 amSAN-LHR

13h 06m1 stop

$695British Airways

Find Deal

Thu, Apr 30 - Mon, May 4

12:50 pm - 4:10 pmLHR-SAN

11h 20mnonstop

9:21 am - 10:00 amSAN-LHR

16h 39m1 stop

$697British Airways

Find Deal

Sat, Jan 17 - Mon, Jan 26

6:35 am - 4:45 pmLHR-SAN

17h 10m1 stop

6:15 am - 11:35 amSAN-LHR

21h 20m1 stop

$699Lufthansa

Find Deal

Wed, Mar 18 - Wed, Apr 15

8:45 am - 3:45 pmLHR-SAN

15h 00m1 stop

2:11 pm - 5:55 amSAN-LHR

31h 44m1 stop

$702Lufthansa

Find Deal

Fri, Jan 16 - Sun, Jan 25

9:15 am - 11:05 pmLCY-SAN

21h 50m2 stops

4:00 pm - 5:05 pmSAN-LCY

17h 05m2 stops

$702SWISS

Find Deal

Tue, Jan 13 - Thu, Jan 22

11:20 am - 7:12 pmLGW-SAN

39h 52m2 stops

1:19 pm - 7:30 amSAN-LGW

34h 11m2 stops

$752American Airlines

Find Deal

Fri, Jan 16 - Mon, Jan 19

9:20 am - 10:40 pmLCY-SAN

20h 20m2 stops

11:08 am - 12:55 pmSAN-LCY

42h 47m2 stops

$780SWISS

Find Deal

Fri, Mar 13 - Mon, Mar 16

11:45 am - 8:32 amLGW-SAN

28h 47m2 stops

10:51 am - 10:50 amSAN-LGW

39h 59m2 stops

$781Iberia

Find Deal

Mon, Feb 9 - Fri, Feb 27

11:45 am - 8:32 amLGW-SAN

28h 47m2 stops

7:10 am - 7:00 pmSAN-LGW

27h 50m2 stops

$800Iberia

Find Deal

Fri, Jan 16 - Sun, Jan 25

British Airways flights from London to San Diego

Our best British Airways deals on London to San Diego flight tickets

British Airways

Apr 30

LHR11:35 amLondon Heathrow

11h 20m

SAN2:55 pmSan Diego

May 4

SAN4:45 pmSan Diego

10h 45m

LHR11:30 amLondon Heathrow

$695

Find similar

British Airways

Jan 17

LHR12:50 pmLondon Heathrow

11h 20m

SAN4:10 pmSan Diego

Jan 26

SAN9:21 amSan Diego

16h 39m

1 stop

LHR10:00 amLondon Heathrow

$697

Find similar

British Airways

May 1

LHR11:35 amLondon Heathrow

11h 20m

SAN2:55 pmSan Diego

May 13

SAN4:45 pmSan Diego

10h 45m

LHR11:30 amLondon Heathrow

$698

Find similar

Lufthansa flights from London to San Diego

Our best Lufthansa deals on London to San Diego flight tickets

Lufthansa

Mar 18

LHR6:35 amLondon Heathrow

17h 10m

1 stop

SAN4:45 pmSan Diego

Apr 15

SAN6:15 amSan Diego

21h 20m

1 stop

LHR11:35 amLondon Heathrow

$699

Find similar

Lufthansa

Jan 16

LHR8:45 amLondon Heathrow

15h 00m

1 stop

SAN3:45 pmSan Diego

Jan 25

SAN2:11 pmSan Diego

31h 44m

1 stop

LHR5:55 amLondon Heathrow

$702

Find similar

Lufthansa

Jan 8

LHR10:25 amLondon Heathrow

20h 08m

1 stop

SAN10:33 pmSan Diego

Jan 12

SAN8:37 pmSan Diego

16h 43m

2 stops

LHR9:20 pmLondon Heathrow

$726

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Wed 1/28

6:35 am-3:45 pm

1 stop17h 10m

San Diego

Sun 2/1

10:40 pm-8:35 pm

1 stop13h 55m

$688

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Thu 4/30

2:30 pm-5:50 pm

Nonstop11h 20m

San Diego

Mon 5/4

9:44 am-6:50 am

1 stop13h 06m

$695

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Sat 1/17

12:50 pm-4:10 pm

Nonstop11h 20m

San Diego

Mon 1/26

9:21 am-10:00 am

1 stop16h 39m

$697

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Wed 3/18

6:35 am-4:45 pm

1 stop17h 10m

San Diego

Wed 4/15

6:15 am-11:35 am

1 stop21h 20m

$699

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Fri 1/16

8:45 am-3:45 pm

1 stop15h 00m

San Diego

Sun 1/25

2:11 pm-5:55 am

1 stop31h 44m

$702

LondonSan Diego

LCY - SAN

LCYSAN

London City

Tue 1/13

9:15 am-11:05 pm

2 stops21h 50m

San Diego

Thu 1/22

4:00 pm-5:05 pm

2 stops17h 05m

$702

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Fri 1/16

11:20 am-7:12 pm

2 stops39h 52m

San Diego

Mon 1/19

1:19 pm-7:30 am

2 stops34h 11m

$752

LondonSan Diego

LCY - SAN

LCYSAN

London City

Fri 3/13

9:20 am-10:40 pm

2 stops20h 20m

San Diego

Mon 3/16

11:08 am-12:55 pm

2 stops42h 47m

$780

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Mon 2/9

11:45 am-8:32 am

2 stops28h 47m

San Diego

Fri 2/27

10:51 am-10:50 am

2 stops39h 59m

$781

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Fri 1/16

11:45 am-8:32 am

2 stops28h 47m

San Diego

Sun 1/25

7:10 am-7:00 pm

2 stops27h 50m

$800

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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

Delays

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 $681.

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 Monday. Travelers who choose to depart for San Diego on a Monday will often find tickets for as low as $745. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $980. 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 morning when flights can be purchased for as low as $795. Flights at noon are often more expensive with an average ticket price of $800.

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 $775 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 $710 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 1% 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 November 2025, prices for London to San Diego flights are approximately 3% 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 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	$580
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 $580. The best round-trip flight deal from London to San Diego found on momondo in the last 72 hours is $847.

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 November 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 777, representing 38.49% of all bookings. The subsequent popular models are Boeing 787-8 Dreamliner at 34.82%, Boeing 777-300ER at 12.19%, and Airbus A350-1000 at 7.40%.
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 51% of the total bookings. Other popular airlines include American Airlines with 25%, Iberia with 12%, 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 9,050 reviews	Search United Airlines flights
British Airways	PriceFrom $589	Free Cancellation	Rating 6.7 7,539 reviews	Search British Airways flights
Iberia	PriceFrom $599	Free Cancellation	Rating 7.0 3,036 reviews	Search Iberia flights
American Airlines	PriceFrom $664	Free Cancellation	Rating 7.2 11,038 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 $847, 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 11,038 reviews.
Iberia Flights From London to San Diego
Another popular option for London to San Diego flights is Iberia (7.0/10, 3,036 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 $784.

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Imperial Beach

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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.

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Cheap flights from London to San Diego from $330

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 1/14. 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 Lufthansa 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 $681.

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 morning when flights can be purchased for as low as $795. Flights at noon are often more expensive with an average ticket price of $800.

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 1% 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 November 2025, prices for London to San Diego flights are approximately 3% cheaper when compared to flights at the same time last year.

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

SWISS and Lufthansa are the most popular carriers operating from London to San Diego

What airlines fly to San Diego?

How often are flights from London to San Diego delayed?

Historically, on average around 17% 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 144 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 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 which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

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 November 2025. The most frequent departure time is 12:00PM, with 100% of daily flights leaving in the afternoon.

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

As of November 2025, 30 flights take off from London and land in San Diego each week. The most common flight departure day for this route is Mon, 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.