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

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

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

New York (JFK) was the most common stop: 57% of momondo users choosing 1-stop flights on this route connected there.

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

Flights connecting via Salt Lake City (SLC) have the shortest average one-way travel time: 12h 54m.

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.

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.

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.

$413 Cheap Flights from San Diego to London in 2025/26

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12:45 pm - 11:50 am

SAN

LHR

15h 05m1 stop

9:00 am - 11:53 am

LHR

SAN

34h 53m2 stops

$639Air Canada

Mon, Jan 19 - Tue, Feb 3

9:00 pm - 10:00 pm

SAN

LHR

17h 00m1 stop

9:20 am - 8:30 pm

LHR

SAN

19h 10m1 stop

$640JetBlue

Fri, Jan 30 - Sun, Feb 8

12:45 pm - 11:50 am

SAN

LHR

15h 05m1 stop

8:15 pm - 3:45 pm

LHR

SAN

27h 30m1 stop

$641Multiple Airlines

Mon, Jan 19 - Tue, Feb 3

11:08 am - 3:50 pm

SAN

LHR

20h 42m2 stops

6:35 am - 5:28 pm

LHR

SAN

18h 53m2 stops

$642Lufthansa

Tue, Jan 20 - Fri, Jan 30

11:10 am - 3:50 pm

SAN

LHR

20h 40m2 stops

8:45 am - 3:45 pm

LHR

SAN

15h 00m1 stop

$643Lufthansa

Tue, Feb 3 - Fri, Feb 13

12:16 pm - 10:15 am

SAN

LHR

13h 59m1 stop

8:15 pm - 6:48 pm

LHR

SAN

30h 33m2 stops

$644Lufthansa

Wed, Feb 18 - Mon, Feb 23

2:55 pm - 9:40 pm

SAN

LHR

22h 45m2 stops

7:30 pm - 9:05 pm

LHR

SAN

33h 35m2 stops

$646Scandinavian Airlines

Sat, Jan 24 - Mon, Jan 26

8:02 am - 10:40 am

SAN

LGW

18h 38m2 stops

12:20 pm - 11:41 pm

LGW

SAN

19h 21m2 stops

$677American Airlines

Tue, May 5 - Tue, May 19

7:05 am - 7:15 am

SAN

LCY

16h 10m2 stops

8:05 pm - 12:05 pm

LCY

SAN

24h 00m1 stop

$695Virgin Atlantic

Mon, Feb 2 - Mon, Feb 23

6:15 am - 7:15 am

SAN

LCY

17h 00m2 stops

8:05 pm - 6:08 pm

LCY

SAN

30h 03m2 stops

$705Virgin Atlantic

Mon, Feb 2 - Mon, Feb 9

Lufthansa flights from San Diego to London

Our best Lufthansa deals on San Diego to London flight tickets

Lufthansa

Jan 20

SAN11:08 amSan Diego

20h 42m

2 stops

LHR3:50 pmLondon Heathrow

Jan 30

LHR6:35 amLondon Heathrow

18h 53m

2 stops

SAN5:28 pmSan Diego

$642

Find similar

Lufthansa

Feb 3

SAN11:10 amSan Diego

20h 40m

2 stops

LHR3:50 pmLondon Heathrow

Feb 13

LHR8:45 amLondon Heathrow

15h 00m

1 stop

SAN3:45 pmSan Diego

$643

Find similar

Lufthansa

Feb 18

SAN12:55 pmSan Diego

12h 45m

1 stop

LHR9:40 amLondon Heathrow

Feb 25

LHR9:30 amLondon Heathrow

19h 21m

2 stops

SAN8:51 pmSan Diego

$644

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JetBlue flights from San Diego to London

Our best JetBlue deals on San Diego to London flight tickets

JetBlue

Jan 30

SAN9:00 pmSan Diego

17h 00m

1 stop

LHR10:00 pmLondon Heathrow

Feb 9

LHR9:20 amLondon Heathrow

19h 00m

1 stop

SAN8:20 pmSan Diego

$640

Find similar

JetBlue

Feb 14

SAN8:34 pmSan Diego

26h 21m

1 stop

LHR6:55 amLondon Heathrow

Feb 22

LHR7:45 amLondon Heathrow

20h 15m

1 stop

SAN8:00 pmSan Diego

$647

Find similar

JetBlue

Feb 12

SAN9:10 pmSan Diego

15h 35m

1 stop

LHR8:45 pmLondon Heathrow

Feb 24

LHR9:20 amLondon Heathrow

18h 08m

1 stop

SAN7:28 pmSan Diego

$660

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 1/19

12:45 pm-11:50 am

1 stop15h 05m

London Heathrow

Tue 2/3

9:00 am-11:53 am

2 stops34h 53m

$639

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Fri 1/30

9:00 pm-10:00 pm

1 stop17h 00m

London Heathrow

Sun 2/8

9:20 am-8:30 pm

1 stop19h 10m

$640

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 1/19

12:45 pm-11:50 am

1 stop15h 05m

London Heathrow

Tue 2/3

8:15 pm-3:45 pm

1 stop27h 30m

$641

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 1/20

11:08 am-3:50 pm

2 stops20h 42m

London Heathrow

Fri 1/30

6:35 am-5:28 pm

2 stops18h 53m

$642

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 2/3

11:10 am-3:50 pm

2 stops20h 40m

London Heathrow

Fri 2/13

8:45 am-3:45 pm

1 stop15h 00m

$643

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 2/18

12:16 pm-10:15 am

1 stop13h 59m

London Heathrow

Mon 2/23

8:15 pm-6:48 pm

2 stops30h 33m

$644

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sat 1/24

2:55 pm-9:40 pm

2 stops22h 45m

London Heathrow

Mon 1/26

7:30 pm-9:05 pm

2 stops33h 35m

$646

San DiegoLondon

SAN - LGW

SANLGW

San Diego

Tue 5/5

8:02 am-10:40 am

2 stops18h 38m

London Gatwick

Tue 5/19

12:20 pm-11:41 pm

2 stops19h 21m

$677

San DiegoLondon

SAN - LCY

SANLCY

San Diego

Mon 2/2

7:05 am-7:15 am

2 stops16h 10m

London City

Mon 2/23

8:05 pm-12:05 pm

1 stop24h 00m

$695

San DiegoLondon

SAN - LCY

SANLCY

San Diego

Mon 2/2

6:15 am-7:15 am

2 stops17h 00m

London City

Mon 2/9

8:05 pm-6:08 pm

2 stops30h 03m

$705

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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 $850. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $985. 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 $939. 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 $892 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 $752 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	$387
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 $387. The best round-trip flight deal from San Diego to London found on momondo in the last 72 hours is $597.

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 47.55% of the total bookings. Other popular models include Boeing 777-300ER with 17.17%, Boeing 787-8 Dreamliner with 15.95%, and Airbus A350-1000 with 6.75%.
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 10%, 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 2,901 reviews	Search JetBlue flights
Delta	PriceFrom $552	Free Cancellation	Rating 7.9 8,016 reviews	Search Delta flights
Finnair	PriceFrom $556	Free Cancellation	Rating 7.6 1,339 reviews	Search Finnair flights
United Airlines	PriceFrom $567	Free Cancellation	Rating 7.4 9,114 reviews	Search United Airlines flights
British Airways	PriceFrom $576	Free Cancellation	Rating 6.7 7,616 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $578	Free Cancellation	Rating 7.4 1,630 reviews	Search Scandinavian Airlines flights
Iberia	PriceFrom $591	Free Cancellation	Rating 7.0 3,059 reviews	Search Iberia flights
American Airlines	PriceFrom $593	Free Cancellation	Rating 7.2 11,071 reviews	Search American Airlines flights
Virgin Atlantic	PriceFrom $620	Free Cancellation	Rating 7.5 677 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom $620	Free Cancellation	Rating 6.8 7,659 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. 1,339 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. 11,071 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

Watford

Wembley

Cobham

Folkestone

Romford

Richmond

Uxbridge

Chelmsford

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 $388

Flights to Edinburghfrom $389

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Flights to Glasgowfrom $411

Flights to Newcastle upon Tynefrom $462

Flights to Belfastfrom $455

Flights to Bristolfrom $450

Flights to Invernessfrom $401

Flights to Liverpoolfrom $444

Flights to Aberdeenfrom $496

Flights to Leedsfrom $459

Flights to Cardifffrom $684

Cheap flights from San Diego to London from $413

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 5/5. 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

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Our best JetBlue deals on San Diego to London flight tickets

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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?

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?

British Airways, Lufthansa, and SWISS 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: 57% 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 Salt Lake City (SLC) have the shortest average one-way travel time: 12h 54m.

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