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

As of November 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.

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

Lufthansa, TAP AIR PORTUGAL, and British Airways 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.

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

As of November 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.

What airlines fly to London?

British Airways, American Airlines and Iberia 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?

Denver (DEN) has the shortest average layover time for this route: 1h 18m.

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 Calgary (YYC) offer the lowest average round-trip price of $611.

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 November 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.

$428 Cheap Flights from San Diego to London in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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 round-trip flights

Enter your travel dates to find the best prices.

6:00 pm - 12:35 pmSAN-LHR

10h 35mnonstop

12:50 pm - 4:10 pmLHR-SAN

11h 20mnonstop

$628British Airways

Find Deal

mar., feb. 17 - mié., feb. 25

6:00 pm - 12:35 pmSAN-LHR

10h 35mnonstop

12:50 pm - 4:10 pmLHR-SAN

11h 20mnonstop

$629British Airways

Find Deal

dom., ene. 11 - mar., ene. 27

9:54 am - 7:25 amSAN-LHR

13h 31m1 stop

1:45 pm - 8:48 pmLHR-SAN

15h 03m1 stop

$630Lufthansa

Find Deal

mié., dic. 10 - mar., dic. 16

6:00 pm - 12:35 pmSAN-LHR

10h 35mnonstop

10:15 am - 7:02 pmLHR-SAN

16h 47m1 stop

$631British Airways

Find Deal

mar., dic. 9 - mar., dic. 16

8:10 am - 6:40 amSAN-LHR

14h 30m1 stop

9:00 am - 8:49 pmLHR-SAN

19h 49m2 stops

$632Multiple Airlines

Find Deal

dom., ene. 11 - mar., ene. 27

6:20 am - 7:05 amSAN-LHR

16h 45m2 stops

11:30 am - 10:54 pmLHR-SAN

19h 24m2 stops

$633Delta

Find Deal

mar., dic. 2 - mié., dic. 10

10:30 pm - 6:25 amSAN-LHR

23h 55m1 stop

10:45 am - 4:36 pmLHR-SAN

13h 51m1 stop

$635Delta

Find Deal

dom., ene. 11 - mar., ene. 27

5:35 pm - 11:10 pmSAN-STN

21h 35m2 stops

11:50 am - 3:45 pmSTN-SAN

35h 55m2 stops

$655Multiple Airlines

Find Deal

vie., nov. 28 - jue., dic. 4

6:15 am - 8:50 amSAN-LCY

18h 35m2 stops

5:50 pm - 12:05 pmLCY-SAN

26h 15m1 stop

$684Virgin Atlantic

Find Deal

lun., feb. 16 - lun., feb. 23

3:00 pm - 7:35 pmSAN-LCY

21h 35m1 stop

8:05 pm - 1:05 pmLCY-SAN

24h 00m1 stop

$685Virgin Atlantic

Find Deal

mar., mar. 10 - mié., mar. 18

British Airways flights from San Diego to London

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

British Airways

Feb 17

SAN6:00 pmSan Diego

10h 35m

LHR12:35 pmLondon Heathrow

Feb 25

LHR12:50 pmLondon Heathrow

11h 20m

SAN4:10 pmSan Diego

$628

Find similar

British Airways

Jan 11

SAN6:00 pmSan Diego

10h 35m

LHR12:35 pmLondon Heathrow

Jan 27

LHR12:50 pmLondon Heathrow

11h 20m

SAN4:10 pmSan Diego

$629

Find similar

British Airways

Dec 9

SAN6:00 pmSan Diego

10h 35m

LHR12:35 pmLondon Heathrow

Dec 16

LHR10:15 amLondon Heathrow

16h 47m

1 stop

SAN7:02 pmSan Diego

$631

Find similar

Lufthansa flights from San Diego to London

Our best Lufthansa deals on San Diego to London flight tickets

Lufthansa

Dec 10

SAN9:54 amSan Diego

13h 31m

1 stop

LHR7:25 amLondon Heathrow

Dec 16

LHR1:45 pmLondon Heathrow

15h 03m

1 stop

SAN8:48 pmSan Diego

$630

Find similar

Lufthansa

Nov 28

SAN5:35 pmSan Diego

15h 30m

1 stop

LHR5:05 pmLondon Heathrow

Dec 4

LHR7:40 amLondon Heathrow

16h 05m

1 stop

SAN3:45 pmSan Diego

$649

Find similar

Lufthansa

Nov 28

SAN5:35 pmSan Diego

14h 15m

1 stop

LHR3:50 pmLondon Heathrow

Dec 10

LHR7:40 amLondon Heathrow

16h 05m

1 stop

SAN3:45 pmSan Diego

$651

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoLondon

SAN - LHR

SANLHR

San Diego

mar. 2/17

6:00 pm-12:35 pm

Nonstop10h 35m

London Heathrow

mié. 2/25

12:50 pm-4:10 pm

Nonstop11h 20m

$628

San DiegoLondon

SAN - LHR

SANLHR

San Diego

dom. 1/11

6:00 pm-12:35 pm

Nonstop10h 35m

London Heathrow

mar. 1/27

12:50 pm-4:10 pm

Nonstop11h 20m

$629

San DiegoLondon

SAN - LHR

SANLHR

San Diego

mié. 12/10

9:54 am-7:25 am

1 stop13h 31m

London Heathrow

mar. 12/16

1:45 pm-8:48 pm

1 stop15h 03m

$630

San DiegoLondon

SAN - LHR

SANLHR

San Diego

mar. 12/9

6:00 pm-12:35 pm

Nonstop10h 35m

London Heathrow

mar. 12/16

10:15 am-7:02 pm

1 stop16h 47m

$631

San DiegoLondon

SAN - LHR

SANLHR

San Diego

dom. 1/11

8:10 am-6:40 am

1 stop14h 30m

London Heathrow

mar. 1/27

9:00 am-8:49 pm

2 stops19h 49m

$632

San DiegoLondon

SAN - LHR

SANLHR

San Diego

mar. 12/2

6:20 am-7:05 am

2 stops16h 45m

London Heathrow

mié. 12/10

11:30 am-10:54 pm

2 stops19h 24m

$633

San DiegoLondon

SAN - LHR

SANLHR

San Diego

dom. 1/11

10:30 pm-6:25 am

1 stop23h 55m

London Heathrow

mar. 1/27

10:45 am-4:36 pm

1 stop13h 51m

$635

San DiegoLondon

SAN - STN

SANSTN

San Diego

vie. 11/28

5:35 pm-11:10 pm

2 stops21h 35m

London Stansted

jue. 12/4

11:50 am-3:45 pm

2 stops35h 55m

$655

San DiegoLondon

SAN - LCY

SANLCY

San Diego

lun. 2/16

6:15 am-8:50 am

2 stops18h 35m

London City

lun. 2/23

5:50 pm-12:05 pm

1 stop26h 15m

$684

San DiegoLondon

SAN - LCY

SANLCY

San Diego

mar. 3/10

3:00 pm-7:35 pm

1 stop21h 35m

London City

mié. 3/18

8:05 pm-1:05 pm

1 stop24h 00m

$685

Flights are sorted by cheapest round-trip 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

Layovers

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 $691, 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 $692.

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 $875. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,011. 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 afternoon, with an average ticket price of $947. Departure times in the afternoon 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 $896 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 $742 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 39% 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 November 2025, prices for San Diego to London flights are approximately 18% more expensive 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	$463
Fastest flight time	10h 35m
Direct flights	Every day
Airports in London	1 airport

The best one-way flight to London from San Diego in the past 72 hours is $463. The best round-trip flight deal from San Diego to London found on momondo in the last 72 hours is $691.

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

Direct flights go from San Diego to London every day.

There is 1 airport near London: 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 November 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 43.88% of the total bookings. Other popular models include Boeing 787-8 Dreamliner with 33.37%, Airbus A350-1000 with 6.84%, and Boeing 777-300 with 5.93%.
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 14%, 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 $210	Free Cancellation	Rating 7.2 2,903 reviews	Search JetBlue flights
Delta	PriceFrom $552	Free Cancellation	Rating 7.9 8,006 reviews	Search Delta flights
Finnair	PriceFrom $556	Free Cancellation	Rating 7.6 1,334 reviews	Search Finnair flights
United Airlines	PriceFrom $567	Free Cancellation	Rating 7.4 9,014 reviews	Search United Airlines flights
British Airways	PriceFrom $577	Free Cancellation	Rating 6.7 7,528 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $581	Free Cancellation	Rating 7.4 1,578 reviews	Search Scandinavian Airlines flights
Iberia	PriceFrom $583	Free Cancellation	Rating 7.0 3,018 reviews	Search Iberia flights
American Airlines	PriceFrom $594	Free Cancellation	Rating 7.2 11,046 reviews	Search American Airlines flights
Virgin Atlantic	PriceFrom $620	Free Cancellation	Rating 7.5 673 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom $678	Free Cancellation	Rating 6.8 7,576 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. 1,334 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 $594, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $871 round-trip. American Airlines operates 7 flights out of San Diego into London in an average week, so prices vary by time and availability. 11,046 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

Chelmsford

Wembley

Folkestone

Romford

Ilford

Cobham

Stansted

Harrow

Watford

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

mié. 12/17

mié. 12/24

Email me momondo's favorite 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 $361

Flights to Edinburghfrom $386

Flights to Glasgowfrom $421

Flights to Birminghamfrom $410

Flights to Newcastle upon Tynefrom $502

Flights to Belfastfrom $490

Flights to Bristolfrom $447

Flights to Invernessfrom $420

Flights to Liverpoolfrom $444

Flights to Aberdeenfrom $510

Flights to Leedsfrom $481

Flights to Cardifffrom $653

Cheap flights from San Diego to London from $428

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 12/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and 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 round-trip 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

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?

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 39% 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 November 2025, prices for San Diego to London flights are approximately 18% more expensive when compared to flights at the same time last year.

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

Lufthansa, TAP AIR PORTUGAL, and British Airways 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 Calgary (YYC) offer the lowest average round-trip price of $611.

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?

Denver (DEN) has the shortest average layover time for this route: 1h 18m.

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

As of November 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 November 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