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

WestJet and British Airways are the most popular carriers operating from San Diego to London

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

Flights via New York (JFK) offer the lowest average return price of £658.

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.

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

As of January 2026, there are 4 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, 32 flights take off from San Diego and land in London each week. The most common flight departure day for this route is Wed, with 19% of weekly flights taking off on this day.

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 has the shortest connection time from San Diego to London?

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

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.

£166 Cheap Flights from San Diego to London in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from San Diego to London

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

12:45 - 13:20

SAN

LHR

16h 35m

1 stop

08:40 - 20:43

LHR

SAN

20h 03m

2 stops

£472Air Canada

Wed, 29 Apr - Fri, 8 May

06:30 - 08:05

SAN

LHR

17h 35m

2 stops

06:30 - 12:05

LHR

SAN

13h 35m

1 stop

£474Delta

Sun, 8 Feb - Tue, 24 Feb

13:19 - 10:00

SAN

LHR

12h 41m

1 stop

17:25 - 20:41

LHR

SAN

35h 16m

2 stops

£474British Airways

Tue, 3 Feb - Mon, 9 Feb

19:40 - 14:20

SAN

LHR

10h 40mdirect

14:30 - 17:50

LHR

SAN

11h 20mdirect

£475British Airways

Tue, 28 Apr - Tue, 5 May

18:22 - 19:40

SAN

LHR

17h 18m

2 stops

15:00 - 20:50

LHR

SAN

13h 50m

1 stop

£476Lufthansa

Tue, 28 Apr - Thu, 14 May

18:00 - 20:35

SAN

LHR

18h 35m

2 stops

11:35 - 22:35

LHR

SAN

19h 00m

1 stop

£477United Airlines

Sat, 31 Jan - Thu, 12 Feb

22:02 - 10:00

SAN

LGW

28h 58m

1 stop

07:20 - 08:15

LGW

SAN

32h 55m

2 stops

£477Multiple Airlines

Mon, 23 Mar - Tue, 31 Mar

07:30 - 10:30

SAN

LHR

20h 00m

1 stop

06:30 - 18:22

LHR

SAN

19h 52m

2 stops

£477Delta

Sun, 22 Mar - Tue, 31 Mar

21:00 - 20:45

SAN

LHR

15h 45m

1 stop

08:05 - 20:00

LHR

SAN

19h 55m

1 stop

£478JetBlue

Thu, 5 Feb - Mon, 23 Feb

17:35 - 22:50

SAN

STN

21h 15m

2 stops

14:45 - 15:45

STN

SAN

33h 00m

2 stops

£482Multiple Airlines

Wed, 11 Feb - Tue, 17 Feb

British Airways flights from San Diego to London

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

British Airways

3 Feb

SAN13:19San Diego

12h 41m

1 stop

LHR10:00London Heathrow

9 Feb

LHR17:25London Heathrow

35h 16m

2 stops

SAN20:41San Diego

£474

British Airways

28 Apr

SAN19:40San Diego

10h 40m

LHR14:20London Heathrow

5 May

LHR14:30London Heathrow

11h 20m

SAN17:50San Diego

£475

British Airways

28 Apr

SAN14:16San Diego

13h 54m

1 stop

LHR12:10London Heathrow

5 May

LHR11:35London Heathrow

11h 20m

SAN14:55San Diego

£479

Lufthansa flights from San Diego to London

Our best Lufthansa deals on San Diego to London flight tickets

Lufthansa

25 Jan

SAN11:08San Diego

20h 42m

2 stops

LHR15:50London Heathrow

2 Feb

LHR20:15London Heathrow

29h 13m

2 stops

SAN17:28San Diego

£474

Lufthansa

28 Apr

SAN18:22San Diego

17h 18m

2 stops

LHR19:40London Heathrow

14 May

LHR15:00London Heathrow

13h 50m

1 stop

SAN20:50San Diego

£476

Lufthansa

5 Mar

SAN17:35San Diego

14h 15m

1 stop

LHR15:50London Heathrow

19 Mar

LHR08:45London Heathrow

15h 00m

1 stop

SAN16:45San Diego

£487

Fly from

Fly to

Route

Depart

Return

Price

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 29/4

12:45-13:20

1 stop16h 35m

London Heathrow

Fri 8/5

08:40-20:43

2 stops20h 03m

£472

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 8/2

06:30-08:05

2 stops17h 35m

London Heathrow

Tue 24/2

06:30-12:05

1 stop13h 35m

£474

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 3/2

13:19-10:00

1 stop12h 41m

London Heathrow

Mon 9/2

17:25-20:41

2 stops35h 16m

£474

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 28/4

19:40-14:20

Nonstop10h 40m

London Heathrow

Tue 5/5

14:30-17:50

Nonstop11h 20m

£475

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 28/4

18:22-19:40

2 stops17h 18m

London Heathrow

Thu 14/5

15:00-20:50

1 stop13h 50m

£476

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sat 31/1

18:00-20:35

2 stops18h 35m

London Heathrow

Thu 12/2

11:35-22:35

1 stop19h 00m

£477

San DiegoLondon

SAN - LGW

SANLGW

San Diego

Mon 23/3

22:02-10:00

1 stop28h 58m

London Gatwick

Tue 31/3

07:20-08:15

2 stops32h 55m

£477

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 22/3

07:30-10:30

1 stop20h 00m

London Heathrow

Tue 31/3

06:30-18:22

2 stops19h 52m

£477

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Thu 5/2

21:00-20:45

1 stop15h 45m

London Heathrow

Mon 23/2

08:05-20:00

1 stop19h 55m

£478

San DiegoLondon

SAN - STN

SANSTN

San Diego

Wed 11/2

17:35-22:50

2 stops21h 15m

London Stansted

Tue 17/2

14:45-15:45

2 stops33h 00m

£482

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 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 £516, 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 £522.

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 £480. 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 £906.

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 £686. Flights in the evening are often more expensive, with an average ticket price of £697.

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 £666 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 £570 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?

No. A direct flight is the cheapest option for a flight between San Diego to London.

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

As of January 2026, prices for San Diego to London flights are approximately 27% 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	£376
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 £376. The best return flight deal from San Diego to London found on momondo in the last 72 hours is £583.

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 49.22% of all bookings. The subsequent popular models are Boeing 777-300ER at 20.97%, Boeing 787-8 Dreamliner at 10.41%, and Airbus A350-1000 at 7.05%.
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 100% of all bookings.

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 £509	Free Cancellation	Rating 6.7 7,680 reviews		Search British Airways flights

British Airways Flights From San Diego to London
Across 5 British Airways flights from San Diego to London this week, the average price was £697, with the best British Airways deals starting from £509 round-trip. 7,680 users have rated British Airways on momondo, with an average score of 6.7/10.

Eastbourne

Luton

Milton Keynes

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Chelmsford

Hayes

Dover

Worthing

Hounslow

Bedford

Ramsgate

Colchester

Folkestone

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sun 15/2

Sun 22/2

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Popular Cities in the United Kingdom

Flights to Manchesterfrom £31

Flights to Birminghamfrom £34

Flights to Edinburghfrom £29

Flights to Belfastfrom £29

Flights to Glasgowfrom £31

Flights to Bristolfrom £31

Flights to Newcastle upon Tynefrom £31

Flights to Liverpoolfrom £31

Flights to Aberdeenfrom £40

Flights to Leedsfrom £34

Flights to Invernessfrom £35

Flights to Newquayfrom £33

Cheap flights from San Diego to London from £166

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 28/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from San Diego to London

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

British Airways flights from San Diego to London

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

Lufthansa flights from San Diego to London

Our best Lufthansa deals on San Diego to London flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from San Diego to London that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from San Diego to 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 £480. 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 £906.

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 £686. Flights in the evening are often more expensive, with an average ticket price of £697.

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?

No. A direct flight is the cheapest option for a flight between San Diego to London.

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

As of January 2026, prices for San Diego to London flights are approximately 27% cheaper when compared to flights at the same time last year.

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

WestJet and British Airways 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 £658.

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 4 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, 32 flights take off from San Diego and land in London each week. The most common flight departure day for this route is Wed, with 19% 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