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

JetBlue, SWISS, and Lufthansa 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 January 2026, 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.

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

Dallas (DFW) was the most common stop: 50% of momondo users choosing one-stop flights on this route connected there.

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

As of January 2026, 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.

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

Flights via New York (JFK) offer the lowest average return price of £646.

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

Dallas (DFW) has the shortest average stopover time for this route: 2h 11m.

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

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 14h 16m.

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 January 2026.

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.

£175 Cheap Flights from San Diego to London in 2026

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

11:03 - 15:50

SAN

LHR

21h 47m

2 stops

06:35 - 21:03

LHR

SAN

21h 28m

2 stops

£471Lufthansa

Wed, 11 Mar - Wed, 18 Mar

17:15 - 18:25

SAN

LHR

17h 10m

1 stop

07:25 - 15:25

LHR

SAN

16h 00m

1 stop

£472Lufthansa

Tue, 21 Apr - Tue, 5 May

18:05 - 11:50

SAN

LHR

33h 45m

1 stop

13:50 - 15:45

LHR

SAN

33h 55m

1 stop

£473Multiple Airlines

Tue, 10 Feb - Thu, 26 Feb

12:45 - 13:20

SAN

LHR

16h 35m

1 stop

07:25 - 15:25

LHR

SAN

16h 00m

1 stop

£475Multiple Airlines

Wed, 15 Apr - Wed, 22 Apr

11:01 - 17:05

SAN

LHR

22h 04m

2 stops

06:55 - 15:25

LHR

SAN

16h 30m

1 stop

£475Lufthansa

Mon, 13 Apr - Thu, 30 Apr

17:35 - 17:05

SAN

LHR

15h 30m

1 stop

08:45 - 16:45

LHR

SAN

15h 00m

1 stop

£476Lufthansa

Sun, 22 Feb - Tue, 10 Mar

12:45 - 11:50

SAN

LHR

15h 05m

1 stop

06:35 - 15:45

LHR

SAN

17h 10m

1 stop

£479United Airlines

Mon, 23 Feb - Tue, 3 Mar

16:00 - 17:50

SAN

LGW

17h 50m

2 stops

18:40 - 20:49

LGW

SAN

34h 09m

2 stops

£484SWISS

Wed, 25 Feb - Mon, 2 Mar

06:20 - 08:40

SAN

LGW

18h 20m

2 stops

12:20 - 23:56

LGW

SAN

19h 36m

2 stops

£495American Airlines

Tue, 7 Apr - Fri, 17 Apr

16:21 - 17:50

SAN

LGW

17h 29m

2 stops

09:15 - 22:34

LGW

SAN

45h 19m

2 stops

£496SWISS

Wed, 22 Apr - Wed, 29 Apr

Lufthansa flights from San Diego to London

Our best Lufthansa deals on San Diego to London flight tickets

Lufthansa

11 Mar

SAN11:03San Diego

21h 47m

2 stops

LHR15:50London Heathrow

18 Mar

LHR06:35London Heathrow

20h 13m

2 stops

SAN19:48San Diego

£471

Lufthansa

22 Apr

SAN17:15San Diego

17h 10m

1 stop

LHR18:25London Heathrow

29 Apr

LHR07:25London Heathrow

16h 00m

1 stop

SAN15:25San Diego

£472

Lufthansa

13 Apr

SAN11:01San Diego

22h 04m

2 stops

LHR17:05London Heathrow

30 Apr

LHR06:55London Heathrow

16h 30m

1 stop

SAN15:25San Diego

£475

United Airlines flights from San Diego to London

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

United Airlines

23 Feb

SAN12:45San Diego

15h 05m

1 stop

LHR11:50London Heathrow

3 Mar

LHR06:35London Heathrow

17h 10m

1 stop

SAN15:45San Diego

£479

United Airlines

16 Mar

SAN14:11San Diego

14h 04m

1 stop

LHR11:15London Heathrow

24 Mar

LHR06:35London Heathrow

17h 10m

1 stop

SAN16:45San Diego

£480

United Airlines

18 Mar

SAN08:30San Diego

15h 10m

1 stop

LHR06:40London Heathrow

27 Mar

LHR12:05London Heathrow

16h 55m

1 stop

SAN22:00San Diego

£510

Fly from

Fly to

Route

Depart

Return

Price

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 11/3

11:03-15:50

2 stops21h 47m

London Heathrow

Wed 18/3

06:35-21:03

2 stops21h 28m

£471

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 21/4

17:15-18:25

1 stop17h 10m

London Heathrow

Tue 5/5

07:25-15:25

1 stop16h 00m

£472

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 10/2

18:05-11:50

1 stop33h 45m

London Heathrow

Thu 26/2

13:50-15:45

1 stop33h 55m

£473

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 15/4

12:45-13:20

1 stop16h 35m

London Heathrow

Wed 22/4

07:25-15:25

1 stop16h 00m

£475

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 13/4

11:01-17:05

2 stops22h 04m

London Heathrow

Thu 30/4

06:55-15:25

1 stop16h 30m

£475

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 22/2

17:35-17:05

1 stop15h 30m

London Heathrow

Tue 10/3

08:45-16:45

1 stop15h 00m

£476

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 23/2

12:45-11:50

1 stop15h 05m

London Heathrow

Tue 3/3

06:35-15:45

1 stop17h 10m

£479

San DiegoLondon

SAN - LGW

SANLGW

San Diego

Wed 25/2

16:00-17:50

2 stops17h 50m

London Gatwick

Mon 2/3

18:40-20:49

2 stops34h 09m

£484

San DiegoLondon

SAN - LGW

SANLGW

San Diego

Tue 7/4

06:20-08:40

2 stops18h 20m

London Gatwick

Fri 17/4

12:20-23:56

2 stops19h 36m

£495

San DiegoLondon

SAN - LGW

SANLGW

San Diego

Wed 22/4

16:21-17:50

2 stops17h 29m

London Gatwick

Wed 29/4

09:15-22:34

2 stops45h 19m

£496

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

Stopovers

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 October. Flight prices, which tend to average around £507, 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 £513.

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 £499. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to London for around £889.

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 afternoon when flights can be purchased for as low as £674. Flights in the evening are often more expensive, with an average ticket price of £690.

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 £653 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 £556 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 10% 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 January 2026, prices for San Diego to London flights are approximately 26% cheaper 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

Best price found	£368
Fastest flight time	10h 35m
Direct flights	Every day
Airports in London	6 airports

The best one-way flight to London from San Diego in the past 72 hours is £368. The best return flight deal from San Diego to London found on momondo in the last 72 hours is £571.

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

Direct flights go from San Diego to London every day.

There are 6 airports in London. From San Diego there are direct flights to 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 January 2026.
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 48.48% of all bookings. The subsequent popular models are Boeing 777-300ER at 25.73%, Boeing 777-300 at 7.69%, and Boeing 787-8 Dreamliner at 7.32%.
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 76% of all bookings. The subsequent popular airline is American Airlines at 24%.

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 £502	Free Cancellation	Rating 6.7 7,702 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 £708, with the best British Airways deals starting from £502 round-trip. 7,702 users have rated British Airways on momondo, with an average score of 6.7/10.

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Why use momondo?

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 £175

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 2/2. 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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Lufthansa flights from San Diego to London

Our best Lufthansa deals on San Diego to London flight tickets

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

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See travel insights to London from

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

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 £499. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to London for around £889.

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 afternoon when flights can be purchased for as low as £674. Flights in the evening are often more expensive, with an average ticket price of £690.

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 10% 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 January 2026, prices for San Diego to London flights are approximately 26% cheaper when compared to flights at the same time last year.

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

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

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

Dallas (DFW) was the most common stop: 50% of momondo users choosing one-stop flights on this route connected there.

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

Flights via New York (JFK) offer the lowest average return price of £646.

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

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 14h 16m.

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

Dallas (DFW) has the shortest average stopover time for this route: 2h 11m.

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

As of January 2026, 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 January 2026, 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

Best price found

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