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

Lufthansa, JetBlue, and British Airways 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, 42 flights take off from San Diego and land in London each week. The most common flight departure day for this route is Mon, with 14% 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 6 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.

£314 Cheap Flights from San Diego to London in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from £496 to £788. The lowest price recently found on this route was £477.

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18:00 - 12:35SAN-LHR

10h 35mdirect

12:50 - 16:10LHR-SAN

11h 20mdirect

£477British Airways

Find Deal

Thu, 15 Jan - Tue, 20 Jan

12:45 - 11:50SAN-LHR

15h 05m1 stop

19:15 - 15:45LHR-SAN

28h 30m1 stop

£477Multiple Airlines

Find Deal

Mon, 24 Nov - Tue, 9 Dec

08:00 - 07:50SAN-LHR

15h 50m1 stop

06:30 - 12:05LHR-SAN

13h 35m1 stop

£478Multiple Airlines

Find Deal

Wed, 18 Feb - Tue, 24 Feb

09:59 - 18:30SAN-LHR

24h 31m2 stops

06:40 - 23:58LHR-SAN

25h 18m2 stops

£479Scandinavian Airlines

Find Deal

Wed, 3 Dec - Fri, 12 Dec

06:15 - 10:00SAN-LHR

19h 45m1 stop

06:30 - 15:23LHR-SAN

16h 53m2 stops

£480Delta

Find Deal

Wed, 3 Dec - Fri, 12 Dec

13:23 - 10:25SAN-LHR

13h 02m1 stop

10:05 - 18:04LHR-SAN

15h 59m1 stop

£481British Airways

Find Deal

Mon, 1 Dec - Sun, 7 Dec

06:30 - 06:25SAN-LHR

15h 55m2 stops

06:30 - 12:05LHR-SAN

13h 35m1 stop

£481Delta

Find Deal

Tue, 10 Feb - Tue, 24 Feb

06:15 - 07:05SAN-LHR

16h 50m2 stops

09:00 - 19:17LHR-SAN

18h 17m2 stops

£482Delta

Find Deal

Mon, 24 Nov - Tue, 9 Dec

06:30 - 08:45SAN-LHR

18h 15m2 stops

06:30 - 19:17LHR-SAN

20h 47m2 stops

£483Delta

Find Deal

Sun, 23 Nov - Wed, 3 Dec

13:44 - 12:00SAN-LHR

14h 16m1 stop

11:00 - 20:45LHR-SAN

17h 45m1 stop

£484American Airlines

Find Deal

Sun, 23 Nov - Wed, 3 Dec

American Airlines flights from San Diego to London

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

American Airlines

23 Nov

SAN13:44San Diego

14h 16m

1 stop

LHR12:00London Heathrow

3 Dec

LHR11:00London Heathrow

17h 45m

1 stop

SAN20:45San Diego

£484

Find similar

American Airlines

24 Nov

SAN18:00San Diego

10h 35m

LHR12:35London Heathrow

9 Dec

LHR12:50London Heathrow

11h 20m

SAN16:10San Diego

£513

Find similar

Delta flights from San Diego to London

Our best Delta deals on San Diego to London flight tickets

Delta

3 Dec

SAN06:15San Diego

19h 45m

1 stop

LHR10:00London Heathrow

12 Dec

LHR06:30London Heathrow

16h 53m

2 stops

SAN15:23San Diego

£480

Find similar

Delta

10 Feb

SAN06:30San Diego

15h 55m

2 stops

LHR06:25London Heathrow

24 Feb

LHR06:30London Heathrow

13h 35m

1 stop

SAN12:05San Diego

£481

Find similar

Delta

24 Nov

SAN06:15San Diego

16h 50m

2 stops

LHR07:05London Heathrow

9 Dec

LHR09:00London Heathrow

18h 17m

2 stops

SAN19:17San Diego

£482

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Thu 15/1

18:00-12:35

Nonstop10h 35m

London Heathrow

Tue 20/1

12:50-16:10

Nonstop11h 20m

£477

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 24/11

12:45-11:50

1 stop15h 05m

London Heathrow

Tue 9/12

19:15-15:45

1 stop28h 30m

£477

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 18/2

08:00-07:50

1 stop15h 50m

London Heathrow

Tue 24/2

06:30-12:05

1 stop13h 35m

£478

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 3/12

09:59-18:30

2 stops24h 31m

London Heathrow

Fri 12/12

06:40-23:58

2 stops25h 18m

£479

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 3/12

06:15-10:00

1 stop19h 45m

London Heathrow

Fri 12/12

06:30-15:23

2 stops16h 53m

£480

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 1/12

13:23-10:25

1 stop13h 02m

London Heathrow

Sun 7/12

10:05-18:04

1 stop15h 59m

£481

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 10/2

06:30-06:25

2 stops15h 55m

London Heathrow

Tue 24/2

06:30-12:05

1 stop13h 35m

£481

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 24/11

06:15-07:05

2 stops16h 50m

London Heathrow

Tue 9/12

09:00-19:17

2 stops18h 17m

£482

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 23/11

06:30-08:45

2 stops18h 15m

London Heathrow

Wed 3/12

06:30-19:17

2 stops20h 47m

£483

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 23/11

13:44-12:00

1 stop14h 16m

London Heathrow

Wed 3/12

11:00-20:45

1 stop17h 45m

£484

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

What is the cheapest month to fly to London?

The cheapest month to fly to London from San Diego is in February. Flight prices, which tend to average around £526, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from San Diego averaging around £527.

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 £490. 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 £1,059.

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 £578. Flights in the evening are often more expensive, with an average ticket price of £718.

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 £565 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 18% 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 £522	Free Cancellation	Rating 6.7 7,515 reviews		Search British Airways flights

British Airways Flights From San Diego to London
Across 7 British Airways flights from San Diego to London this week, the average price was £766, with the best British Airways deals starting from £522 round-trip. 7,515 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 £314

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 4/2. 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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Big names, great deals

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American Airlines flights from San Diego to London

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

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

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 £490. 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 £1,059.

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 £578. Flights in the evening are often more expensive, with an average ticket price of £718.

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 18% 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, JetBlue, and British Airways 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 6 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, 42 flights take off from San Diego and land in London each week. The most common flight departure day for this route is Mon, with 14% 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