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

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

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

As of November 2025, 36 flights take off from San Diego and land in London each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

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

As of November 2025, there are 5 flights per day flying from San Diego to London. The most common time of day flights depart is 18:00, with 100% of flights taking off in the evening.

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

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

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

The number of operators available for flights from San Diego Airport to London is 1 as of November 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to London.

What documentation or ID do you need to fly to London?

The travel and health documents you'll need for your trip to London 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 London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£305 Cheap Flights from San Diego to London in 2025/26

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15:32 - 21:20SAN-LHR

22h 48m3 stops

07:05 - 00:11LHR-SAN

25h 06m2 stops

£484Scandinavian Airlines

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Tue, 24 Mar - Mon, 6 Apr

17:15 - 17:05SAN-LHR

15h 50m1 stop

07:25 - 15:25LHR-SAN

16h 00m1 stop

£485Lufthansa

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Wed, 15 Apr - Wed, 22 Apr

12:45 - 11:50SAN-LHR

15h 05m1 stop

07:40 - 15:45LHR-SAN

16h 05m1 stop

£485Multiple Airlines

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Wed, 25 Feb - Thu, 5 Mar

12:45 - 11:50SAN-LHR

15h 05m1 stop

20:15 - 15:45LHR-SAN

27h 30m1 stop

£486Multiple Airlines

Find Deal

Sun, 11 Jan - Tue, 27 Jan

11:57 - 12:00SAN-LHR

17h 03m1 stop

06:35 - 16:45LHR-SAN

17h 10m1 stop

£487Lufthansa

Find Deal

Wed, 11 Mar - Wed, 25 Mar

16:00 - 11:50SAN-LHR

35h 50m2 stops

18:40 - 20:49LHR-SAN

34h 09m2 stops

£488Multiple Airlines

Find Deal

Tue, 6 Jan - Mon, 2 Feb

08:30 - 06:40SAN-LHR

15h 10m1 stop

16:20 - 20:45LHR-SAN

35h 25m1 stop

£489Austrian Airlines

Find Deal

Tue, 10 Mar - Tue, 24 Mar

11:08 - 09:00SAN-LHR

13h 52m1 stop

06:30 - 12:05LHR-SAN

13h 35m1 stop

£493KLM

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Tue, 10 Feb - Tue, 24 Feb

12:49 - 17:50SAN-LGW

21h 01m2 stops

18:40 - 23:05LGW-SAN

36h 25m2 stops

£511SWISS

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Mon, 12 Jan - Thu, 22 Jan

10:52 - 17:50SAN-LGW

46h 58m2 stops

18:40 - 23:05LGW-SAN

36h 25m2 stops

£515SWISS

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Sat, 10 Jan - Thu, 22 Jan

Scandinavian Airlines flights from San Diego to London

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

Scandinavian Airlines

24 Mar

SAN15:32San Diego

22h 48m

3 stops

LHR21:20London Heathrow

6 Apr

LHR07:05London Heathrow

25h 06m

2 stops

SAN00:11San Diego

£484

Find similar

Scandinavian Airlines

2 Dec

SAN09:59San Diego

27h 41m

2 stops

LHR21:40London Heathrow

9 Dec

LHR06:40London Heathrow

25h 18m

2 stops

SAN23:58San Diego

£677

Find similar

Lufthansa flights from San Diego to London

Our best Lufthansa deals on San Diego to London flight tickets

Lufthansa

15 Apr

SAN17:15San Diego

15h 50m

1 stop

LHR17:05London Heathrow

22 Apr

LHR07:25London Heathrow

16h 00m

1 stop

SAN15:25San Diego

£485

Find similar

Lufthansa

11 Mar

SAN11:57San Diego

17h 03m

1 stop

LHR12:00London Heathrow

25 Mar

LHR06:35London Heathrow

17h 10m

1 stop

SAN16:45San Diego

£487

Find similar

Lufthansa

7 Jan

SAN13:00San Diego

12h 40m

1 stop

LHR09:40London Heathrow

13 Jan

LHR07:40London Heathrow

19h 04m

2 stops

SAN18:44San Diego

£495

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Fly from

Fly to

Route

Depart

Return

Price

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 24/3

15:32-21:20

3 stops22h 48m

London Heathrow

Mon 6/4

07:05-00:11

2 stops25h 06m

£484

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 15/4

17:15-17:05

1 stop15h 50m

London Heathrow

Wed 22/4

07:25-15:25

1 stop16h 00m

£485

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 25/2

12:45-11:50

1 stop15h 05m

London Heathrow

Thu 5/3

07:40-15:45

1 stop16h 05m

£485

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 11/1

12:45-11:50

1 stop15h 05m

London Heathrow

Tue 27/1

20:15-15:45

1 stop27h 30m

£486

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 11/3

11:57-12:00

1 stop17h 03m

London Heathrow

Wed 25/3

06:35-16:45

1 stop17h 10m

£487

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 6/1

16:00-11:50

2 stops35h 50m

London Heathrow

Mon 2/2

18:40-20:49

2 stops34h 09m

£488

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 10/3

08:30-06:40

1 stop15h 10m

London Heathrow

Tue 24/3

16:20-20:45

1 stop35h 25m

£489

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 10/2

11:08-09:00

1 stop13h 52m

London Heathrow

Tue 24/2

06:30-12:05

1 stop13h 35m

£493

San DiegoLondon

SAN - LGW

SANLGW

San Diego

Mon 12/1

12:49-17:50

2 stops21h 01m

London Gatwick

Thu 22/1

18:40-23:05

2 stops36h 25m

£511

San DiegoLondon

SAN - LGW

SANLGW

San Diego

Sat 10/1

10:52-17:50

2 stops46h 58m

London Gatwick

Thu 22/1

18:40-23:05

2 stops36h 25m

£515

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

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 London?

The cheapest month to fly to London from San Diego is in October. Flight prices, which tend to average around £528, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from San Diego averaging around £529.

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £491. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to London for around £1,061.

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

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £579. Flights in the evening are often more expensive, with an average ticket price of £720.

What is the cheapest San Diego to London flight route?

Fly from San Diego to London Heathrow for the best San Diego - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £684 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from San Diego for as low as £566 on momondo.

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

There are 3 cabin classes available to choose from on San Diego to London 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 San Diego to London flights?

You could potentially save up to 13% on your flight if you consider stops on a San Diego to London flight.

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

As of November 2025, prices for San Diego to London flights are approximately 22% more expensive when compared to flights at the same time last year.

When to book flights from San Diego to London

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

Estimated return price

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

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

Fastest flight time	10h 35m
Direct flights	Every day
Airports in London	1 airport

The fastest flight from San Diego to London takes 10h 35m

Direct flights go from San Diego to London every day.

There is 1 airport near London: London Heathrow (LHR)

Search flight deals

How far is San Diego to London by plane?
San Diego and London are 5478.3 mi apart from one another. 10h 35m is a normal flight duration for this route.
When did momondo last update prices for flights from San Diego Airport to London?
Prices for flights from San Diego Airport to London are refreshed on a daily basis.
How many operators does momondo search for flights from San Diego Airport to London?
The number of operators available for flights from San Diego Airport to London is 1 as of November 2025.
How old do you have to be to fly from San Diego Airport to London?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to London.
What documentation or ID do you need to fly to London?
The travel and health documents you'll need for your trip to London 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 London. 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 San Diego to London?
momondo data reveals that the most frequently booked plane model on the route from San Diego to London is Boeing 777, representing 43.88% of all bookings. The subsequent popular models are Boeing 787-8 Dreamliner at 33.37%, Airbus A350-1000 at 6.84%, and Boeing 777-300 at 5.93%.
What is the most popular airline from San Diego to London?
momondo data reveals that the most frequently booked airline on the route from San Diego to London is British Airways, representing 72% of all bookings. The subsequent popular airlines are Iberia at 14% and United Airlines at 13%.

Best airlines flying from San Diego to London

Compare and see reviews for airlines that fly from San Diego to London with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £524	Free Cancellation	Rating 6.7 7,535 reviews		Search British Airways flights

British Airways Flights From San Diego to London
Across 6 British Airways flights from San Diego to London this week, the average price was £768, with the best British Airways deals starting from £524 round-trip. 7,535 users have rated British Airways on momondo, with an average score of 6.7/10.

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to London. momondo saves you time and could save you money on your trip.

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

All flight searches from San Diego to London on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between San Diego and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

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Cheap flights from San Diego to London from £305

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to London departing on 30/3. 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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Scandinavian Airlines flights from San Diego to London

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

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Our best Lufthansa deals on San Diego to London flight tickets

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

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 London?

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £491. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to London for around £1,061.

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

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £579. Flights in the evening are often more expensive, with an average ticket price of £720.

What is the cheapest San Diego to London flight route?

Fly from San Diego to London Heathrow for the best San Diego - London flight prices

How far in advance should I book a flight to London?

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

There are 3 cabin classes available to choose from on San Diego to London 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 San Diego to London flights?

You could potentially save up to 13% on your flight if you consider stops on a San Diego to London flight.

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

As of November 2025, prices for San Diego to London flights are approximately 22% more expensive when compared to flights at the same time last year.

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

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

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

As of November 2025, there are 5 flights per day flying from San Diego to London. The most common time of day flights depart is 18:00, with 100% of flights taking off in the evening.

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

As of November 2025, 36 flights take off from San Diego and land in London each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

When to book flights from San Diego to London

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

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

Fastest flight time

Direct flights

Airports in London

How far is San Diego to London by plane?

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

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

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

What documentation or ID do you need to fly to London?

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

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

Best airlines flying from San Diego to London

Compare and see reviews for airlines that fly from San Diego to London with momondo

British Airways Flights From San Diego to London

Travelling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London 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.

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 Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London