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

WestJet is the most popular carrier operating from San Diego to London

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

As of August 2025, 57 flights take off from San Diego and land in London each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

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

As of August 2025, there are 8 flights per day flying from San Diego to London. The most common time of day flights depart is 19:00, with 63% 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 August 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.

£182 Cheap Flights from San Diego to London in 2025

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Round-trip

One-way

Last minute

Direct

Cheap return flights

12:43 - 10:00SAN-LHR

13h 17m1 stop

12:50 - 16:10LHR-SAN

11h 20mdirect

£416British Airways

Find Deal

Sun, 23 Nov - Wed, 3 Dec

06:22 - 08:05SAN-LHR

17h 43m1 stop

12:15 - 19:27LHR-SAN

15h 12m1 stop

£417Iberia

Find Deal

Sun, 14 Sep - Fri, 3 Oct

10:04 - 09:00SAN-LHR

14h 56m1 stop

14:55 - 18:00LHR-SAN

11h 05mdirect

£417British Airways

Find Deal

Mon, 1 Sep - Wed, 10 Sep

07:00 - 07:15SAN-LHR

16h 15m1 stop

06:15 - 16:00LHR-SAN

17h 45m2 stops

£418Delta

Find Deal

Sun, 14 Sep - Wed, 1 Oct

06:30 - 10:15SAN-LHR

19h 45m1 stop

06:15 - 16:00LHR-SAN

17h 45m2 stops

£419Delta

Find Deal

Mon, 8 Sep - Wed, 17 Sep

15:01 - 06:25SAN-LHR

31h 24m1 stop

14:55 - 18:00LHR-SAN

11h 05mdirect

£426Iberia

Find Deal

Sat, 13 Sep - Thu, 9 Oct

19:46 - 17:15SAN-LHR

13h 29m1 stop

12:25 - 20:33LHR-SAN

16h 08m1 stop

£426Virgin Atlantic

Find Deal

Sun, 21 Sep - Sun, 28 Sep

06:15 - 09:00SAN-LGW

18h 45m2 stops

12:30 - 23:56LGW-SAN

19h 26m2 stops

£434American Airlines

Find Deal

Wed, 12 Nov - Sat, 22 Nov

07:00 - 06:25SAN-LHR

15h 25m1 stop

18:35 - 12:00LHR-SAN

25h 25m1 stop

£449Virgin Atlantic

Find Deal

Sun, 14 Sep - Sat, 20 Sep

07:10 - 10:10SAN-LGW

19h 00m2 stops

15:05 - 07:16LGW-SAN

24h 11m2 stops

£463American Airlines

Find Deal

Mon, 6 Oct - Wed, 15 Oct

British Airways flights from San Diego to London

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

British Airways

23 Nov

SAN12:43San Diego

13h 17m

1 stop

LHR10:00London Heathrow

3 Dec

LHR12:50London Heathrow

11h 20m

SAN16:10San Diego

£416

Find similar

British Airways

1 Sept

SAN10:04San Diego

16h 46m

1 stop

LHR10:50London Heathrow

11 Sept

LHR14:55London Heathrow

11h 05m

SAN18:00San Diego

£417

Find similar

British Airways

1 Sept

SAN10:04San Diego

14h 56m

1 stop

LHR09:00London Heathrow

10 Sept

LHR14:55London Heathrow

11h 05m

SAN18:00San Diego

£417

Find similar

Delta flights from San Diego to London

Our best Delta deals on San Diego to London flight tickets

Delta

14 Sept

SAN07:00San Diego

16h 15m

1 stop

LHR07:15London Heathrow

1 Oct

LHR06:15London Heathrow

17h 45m

2 stops

SAN16:00San Diego

£418

Find similar

Delta

2 Sept

SAN10:00San Diego

16h 15m

1 stop

LHR10:15London Heathrow

26 Sept

LHR09:00London Heathrow

18h 06m

2 stops

SAN19:06San Diego

£419

Find similar

Delta

31 Aug

SAN22:05San Diego

24h 40m

1 stop

LHR06:45London Heathrow

9 Sept

LHR06:30London Heathrow

13h 30m

1 stop

SAN12:00San Diego

£420

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 23/11

12:43-10:00

1 stop13h 17m

London Heathrow

Wed 3/12

12:50-16:10

Nonstop11h 20m

£416

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 14/9

06:22-08:05

1 stop17h 43m

London Heathrow

Fri 3/10

12:15-19:27

1 stop15h 12m

£417

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 1/9

10:04-09:00

1 stop14h 56m

London Heathrow

Wed 10/9

14:55-18:00

Nonstop11h 05m

£417

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 14/9

07:00-07:15

1 stop16h 15m

London Heathrow

Wed 1/10

06:15-16:00

2 stops17h 45m

£418

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 8/9

06:30-10:15

1 stop19h 45m

London Heathrow

Wed 17/9

06:15-16:00

2 stops17h 45m

£419

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sat 13/9

15:01-06:25

1 stop31h 24m

London Heathrow

Thu 9/10

14:55-18:00

Nonstop11h 05m

£426

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 21/9

19:46-17:15

1 stop13h 29m

London Heathrow

Sun 28/9

12:25-20:33

1 stop16h 08m

£426

San DiegoLondon

SAN - LGW

SANLGW

San Diego

Wed 12/11

06:15-09:00

2 stops18h 45m

London Gatwick

Sat 22/11

12:30-23:56

2 stops19h 26m

£434

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 14/9

07:00-06:25

1 stop15h 25m

London Heathrow

Sat 20/9

18:35-12:00

1 stop25h 25m

£449

San DiegoLondon

SAN - LGW

SANLGW

San Diego

Mon 6/10

07:10-10:10

2 stops19h 00m

London Gatwick

Wed 15/10

15:05-07:16

2 stops24h 11m

£463

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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 February. Flight prices, which tend to average around £516, 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 £519.

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 £528. 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 £1,080.

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 £565. Flights in the afternoon are often more expensive, with an average ticket price of £721.

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 £673 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 £555 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 18% 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 August 2025, prices for San Diego to London flights are approximately 17% 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	£322
Fastest flight time	10h 30m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in London	1 airport

The best one-way flight to London from San Diego in the past 72 hours is £322. The best return flight deal from San Diego to London found on momondo in the last 72 hours is £620.

The fastest flight from San Diego to London takes 10h 30m

Direct flights go from San Diego to London on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..

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 30m 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 August 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 787-8 Dreamliner, representing 39.19% of all bookings. The subsequent popular models are Boeing 777-300ER at 20.58%, Boeing 777-300 at 17.52%, and Boeing 777 at 15.07%.
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 82% of all bookings. The subsequent popular airline is Iberia at 18%.

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 £520	Free Cancellation	Rating 6.7 7,292 reviews		Search British Airways flights

British Airways Flights From San Diego to London
Across 12 British Airways flights from San Diego to London this week, the average price was £972, with the best British Airways deals starting from £698 round-trip. 7,292 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 £182

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 10/9. 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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British Airways flights from San Diego to London

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

Delta flights from San Diego to London

Our best Delta 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

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 £528. 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 £1,080.

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 £565. Flights in the afternoon are often more expensive, with an average ticket price of £721.

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 18% 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 August 2025, prices for San Diego to London flights are approximately 17% cheaper when compared to flights at the same time last year.

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

WestJet is the most popular carrier operating from San Diego to London

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

As of August 2025, there are 8 flights per day flying from San Diego to London. The most common time of day flights depart is 19:00, with 63% of flights taking off in the evening.

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

As of August 2025, 57 flights take off from San Diego and land in London each week. The most common flight departure day for this route is Mon, with 16% 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

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London