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

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

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

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 12h 40m.

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

Flights via Dallas (DFW) offer the lowest average round-trip price of $664.

What airlines fly to London?

British Airways, American Airlines and United Airlines are the top three most popular airlines that fly to London from San Diego according to our data. British Airways is the first choice among our users, with 62% of people opting to fly with this airline when traveling to London. Keep in mind that there are 11 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

Salt Lake City (SLC) has the shortest average layover time for this route: 1h 06m.

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

As of December 2025, there are 6 flights per day flying from San Diego to London. The most common time of day flights depart is 6:00PM, with 100% of flights taking off in the evening.

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

New York (JFK) was the most common stop: 53% of momondo users choosing 1-stop flights on this route connected there.

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

As of December 2025, there are 42 flights per week flying from San Diego to London. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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

Prices for flights from San Diego Airport to London refresh daily.

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

As of December 2025, there are 10 operators available to choose from for flights from San Diego Airport to London.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to London.

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

The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$404 Cheap Flights from San Diego to London in 2025/26

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10:50 am - 10:10 am

SAN

LHR

15h 20m1 stop

7:25 am - 3:25 pm

LHR

SAN

16h 00m1 stop

$638Lufthansa

Wed, Apr 15 - Wed, Apr 29

3:30 pm - 10:00 pm

SAN

LHR

22h 30m1 stop

7:25 am - 7:50 pm

LHR

SAN

20h 25m1 stop

$639JetBlue

Fri, Jan 16 - Thu, Jan 22

11:00 am - 9:40 am

SAN

LHR

14h 40m1 stop

7:25 am - 3:25 pm

LHR

SAN

16h 00m1 stop

$640Lufthansa

Wed, Apr 22 - Wed, Apr 29

9:15 pm - 9:40 pm

SAN

LHR

16h 25m1 stop

12:20 pm - 2:18 pm

LHR

SAN

33h 58m1 stop

$645JetBlue

Mon, Jan 12 - Tue, Jan 27

12:49 pm - 5:50 pm

SAN

LGW

21h 01m2 stops

6:40 pm - 8:49 pm

LGW

SAN

34h 09m2 stops

$673SWISS

Mon, Jan 12 - Tue, Jan 27

10:59 am - 5:50 pm

SAN

LGW

46h 51m2 stops

6:40 pm - 10:44 pm

LGW

SAN

36h 04m2 stops

$679SWISS

Sat, Feb 14 - Wed, Feb 25

3:00 pm - 7:35 pm

SAN

LCY

21h 35m1 stop

8:05 pm - 1:05 pm

LCY

SAN

24h 00m1 stop

$689Virgin Atlantic

Tue, Mar 10 - Mon, Mar 16

6:15 am - 7:15 am

SAN

LCY

18h 00m2 stops

5:05 pm - 1:05 pm

LCY

SAN

27h 00m1 stop

$693Virgin Atlantic

Tue, Mar 10 - Mon, Mar 16

10:45 am - 4:20 pm

SAN

STN

46h 35m2 stops

10:50 am - 9:34 am

STN

SAN

29h 44m2 stops

$1,006Turkish Airlines

Wed, Mar 18 - Mon, Mar 23

8:30 pm - 4:50 pm

SAN

STN

36h 20m2 stops

11:10 am - 6:55 pm

STN

SAN

39h 45m2 stops

$1,052Turkish Airlines

Thu, Apr 2 - Sun, Apr 12

United Airlines flights from San Diego to London

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

United Airlines

Jan 10

SAN10:40 pmSan Diego

13h 55m

1 stop

LHR8:35 pmLondon Heathrow

Jan 28

LHR6:35 amLondon Heathrow

17h 10m

1 stop

SAN3:45 pmSan Diego

$658

Find similar

United Airlines

Jan 7

SAN9:55 amSan Diego

13h 30m

1 stop

LHR7:25 amLondon Heathrow

Jan 13

LHR11:10 amLondon Heathrow

19h 55m

2 stops

SAN11:05 pmSan Diego

$667

Find similar

United Airlines

Mar 22

SAN11:03 amSan Diego

19h 27m

1 stop

LHR1:30 pmLondon Heathrow

Apr 1

LHR7:25 amLondon Heathrow

16h 00m

1 stop

SAN3:25 pmSan Diego

$674

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British Airways flights from San Diego to London

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

British Airways

Feb 11

SAN9:24 amSan Diego

13h 11m

1 stop

LHR6:35 amLondon Heathrow

Feb 18

LHR12:50 pmLondon Heathrow

11h 20m

SAN4:10 pmSan Diego

$670

Find similar

British Airways

Jan 12

SAN6:00 pmSan Diego

10h 35m

LHR12:35 pmLondon Heathrow

Jan 27

LHR12:50 pmLondon Heathrow

11h 20m

SAN4:10 pmSan Diego

$681

Find similar

British Airways

Apr 7

SAN9:44 amSan Diego

13h 06m

1 stop

LHR6:50 amLondon Heathrow

Apr 23

LHR11:35 amLondon Heathrow

11h 20m

SAN2:55 pmSan Diego

$686

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Fly from

Fly to

Route

Depart

Return

Price

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 4/15

10:50 am-10:10 am

1 stop15h 20m

London Heathrow

Wed 4/29

7:25 am-3:25 pm

1 stop16h 00m

$638

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Fri 1/16

3:30 pm-10:00 pm

1 stop22h 30m

London Heathrow

Thu 1/22

7:25 am-7:50 pm

1 stop20h 25m

$639

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 4/22

11:00 am-9:40 am

1 stop14h 40m

London Heathrow

Wed 4/29

7:25 am-3:25 pm

1 stop16h 00m

$640

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 1/12

9:15 pm-9:40 pm

1 stop16h 25m

London Heathrow

Tue 1/27

12:20 pm-2:18 pm

1 stop33h 58m

$645

San DiegoLondon

SAN - LGW

SANLGW

San Diego

Mon 1/12

12:49 pm-5:50 pm

2 stops21h 01m

London Gatwick

Tue 1/27

6:40 pm-8:49 pm

2 stops34h 09m

$673

San DiegoLondon

SAN - LGW

SANLGW

San Diego

Sat 2/14

10:59 am-5:50 pm

2 stops46h 51m

London Gatwick

Wed 2/25

6:40 pm-10:44 pm

2 stops36h 04m

$679

San DiegoLondon

SAN - LCY

SANLCY

San Diego

Tue 3/10

3:00 pm-7:35 pm

1 stop21h 35m

London City

Mon 3/16

8:05 pm-1:05 pm

1 stop24h 00m

$689

San DiegoLondon

SAN - LCY

SANLCY

San Diego

Tue 3/10

6:15 am-7:15 am

2 stops18h 00m

London City

Mon 3/16

5:05 pm-1:05 pm

1 stop27h 00m

$693

San DiegoLondon

SAN - STN

SANSTN

San Diego

Wed 3/18

10:45 am-4:20 pm

2 stops46h 35m

London Stansted

Mon 3/23

10:50 am-9:34 am

2 stops29h 44m

$1,006

San DiegoLondon

SAN - STN

SANSTN

San Diego

Thu 4/2

8:30 pm-4:50 pm

2 stops36h 20m

London Stansted

Sun 4/12

11:10 am-6:55 pm

2 stops39h 45m

$1,052

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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

Layovers

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 $692, 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 $698.

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

The cheapest day to depart from San Diego to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $854. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $988. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from San Diego at noon is the least expensive time of day to depart. momondo users have found prices as low as $880 when looking at flights departing at noon. Flights to London are more costly in the evening, with an average ticket price of $940. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $888 when searching weeks out. 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 $750 on momondo.

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

There are 4 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 15% 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 December 2025, prices for San Diego to London flights are approximately 13% 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 round-trip 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	$404
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 $404. The best round-trip flight deal from San Diego to London found on momondo in the last 72 hours is $589.

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?
London is 5478.3 mi away from San Diego. In terms of flight time, this usually takes a little over 10h 35m.
When did momondo last update prices for flights from San Diego Airport to London?
Prices for flights from San Diego Airport to London refresh daily.
How many operators does momondo search for flights from San Diego Airport to London?
As of December 2025, there are 10 operators available to choose from for flights from San Diego Airport to London.
How old do you have to be to fly from San Diego Airport to London?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from San Diego to London?
Based on momondo bookings for flights between San Diego and London, the leading plane model is Boeing 777, making up 47.28% of the total bookings. Other popular models include Boeing 787-8 Dreamliner with 19.13%, Boeing 777-300ER with 14.63%, and Airbus A350-1000 with 7.23%.
What is the most popular airline from San Diego to London?
Based on momondo bookings for flights between San Diego and London, the leading airline is British Airways, making up 61% of the total bookings. Other popular airlines include Iberia with 12%, American Airlines with 11%, and Delta with 4%.

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
JetBlue	PriceFrom $181	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
Delta	PriceFrom $552	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Finnair	PriceFrom $556	Free Cancellation	Rating 7.6 1,338 reviews	Search Finnair flights
United Airlines	PriceFrom $567	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
British Airways	PriceFrom $577	Free Cancellation	Rating 6.7 7,586 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $578	Free Cancellation	Rating 7.4 1,608 reviews	Search Scandinavian Airlines flights
Iberia	PriceFrom $591	Free Cancellation	Rating 7.0 3,053 reviews	Search Iberia flights
American Airlines	PriceFrom $593	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
Virgin Atlantic	PriceFrom $620	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom $678	Free Cancellation	Rating 6.8 7,637 reviews	Search Lufthansa flights

Finnair Flights From San Diego to London
Across 7 Finnair flights from San Diego to London this week, the average price was $827, with the best Finnair deals starting from $556 round-trip. 1,338 users have rated Finnair on momondo, with an average score of 7.6/10.
American Airlines Flights From San Diego to London
The best American Airlines deal for San Diego to London flight tickets found on momondo in the last 72 hours was $593, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $856 round-trip. American Airlines operates 7 flights out of San Diego into London in an average week, so prices vary by time and availability. 11,054 American Airlines reviews by users on momondo have scored the airline at 7.2/10.

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Wembley

Watford

Ilford

Cobham

Folkestone

Romford

Richmond

Uxbridge

Stansted

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to London. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for San Diego to London flights to just show those with flexible booking policies.

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

Once all potential San Diego to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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 not ready to book a flight from San Diego to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Flights to Manchesterfrom $363

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Flights to Birminghamfrom $387

Flights to Glasgowfrom $390

Flights to Newcastle upon Tynefrom $419

Flights to Belfastfrom $526

Flights to Bristolfrom $428

Flights to Invernessfrom $401

Flights to Liverpoolfrom $438

Flights to Aberdeenfrom $511

Flights to Leedsfrom $433

Flights to Cardifffrom $446

Cheap flights from San Diego to London from $405

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 4/21. 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 and deals

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United Airlines flights from San Diego to London

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Our best British Airways 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 cheapest month to fly to London?

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

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

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 4 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 15% 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 December 2025, prices for San Diego to London flights are approximately 13% cheaper when compared to flights at the same time last year.

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

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

What airlines fly to London?

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

New York (JFK) was the most common stop: 53% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Dallas (DFW) offer the lowest average round-trip price of $664.

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

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 12h 40m.

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

Salt Lake City (SLC) has the shortest average layover time for this route: 1h 06m.

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

As of December 2025, there are 6 flights per day flying from San Diego to London. The most common time of day flights depart is 6:00PM, with 100% of flights taking off in the evening.

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

As of December 2025, there are 42 flights per week flying from San Diego to London. The most common day of the week flights depart is Mon, with 14% of 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

Finnair Flights From San Diego to London

American Airlines Flights From San Diego to London

Traveling 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, organize 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