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

Flights via Phoenix (PHX) offer the lowest average round-trip price of $659.

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.

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

SWISS, Air Canada, and Delta 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 airport is the most popular layover for flights between San Diego and London?

New York (JFK) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

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.

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.

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.

$375 Cheap Flights from San Diego to London in 2025/26

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4:20 pm - 9:20 pmSAN-LHR

21h 00m3 stops

10:20 am - 10:47 pmLHR-SAN

20h 27m2 stops

$633Scandinavian Airlines

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Thu, Jan 15 - Tue, Jan 20

10:52 am - 7:55 amSAN-LHR

13h 03m1 stop

11:35 am - 5:28 pmLHR-SAN

13h 53m1 stop

$634Multiple Airlines

Find Deal

Thu, Jan 15 - Tue, Jan 20

4:45 pm - 11:30 amSAN-LHR

10h 45mnonstop

2:30 pm - 5:50 pmLHR-SAN

11h 20mnonstop

$635British Airways

Find Deal

Wed, May 6 - Mon, May 18

6:00 pm - 12:35 pmSAN-LHR

10h 35mnonstop

2:10 pm - 10:26 pmLHR-SAN

16h 16m1 stop

$636British Airways

Find Deal

Wed, Jan 14 - Mon, Jan 19

6:30 am - 7:10 amSAN-LHR

17h 40m2 stops

8:45 am - 4:45 pmLHR-SAN

15h 00m1 stop

$637Multiple Airlines

Find Deal

Thu, Mar 12 - Thu, Mar 26

9:21 am - 6:50 amSAN-LHR

13h 29m1 stop

12:50 pm - 4:10 pmLHR-SAN

11h 20mnonstop

$638Iberia

Find Deal

Sat, Jan 31 - Thu, Feb 12

6:15 am - 8:45 amSAN-LHR

19h 30m1 stop

6:30 am - 11:50 amLHR-SAN

13h 20m1 stop

$639Virgin Atlantic

Find Deal

Fri, Mar 20 - Tue, Mar 31

6:00 pm - 12:35 pmSAN-LHR

10h 35mnonstop

12:50 pm - 4:10 pmLHR-SAN

11h 20mnonstop

$640British Airways

Find Deal

Thu, Feb 12 - Wed, Feb 18

10:51 am - 10:00 amSAN-LHR

15h 09m1 stop

12:50 pm - 4:10 pmLHR-SAN

11h 20mnonstop

$641Finnair

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Wed, Feb 18 - Mon, Feb 23

6:25 am - 8:50 amSAN-LCY

18h 25m2 stops

5:05 pm - 12:05 pmLCY-SAN

27h 00m1 stop

$646Virgin Atlantic

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Mon, Feb 23 - Wed, Mar 4

Iberia flights from San Diego to London

Our best Iberia deals on San Diego to London flight tickets

Iberia

Jan 31

SAN9:21 amSan Diego

13h 29m

1 stop

LHR6:50 amLondon Heathrow

Feb 12

LHR12:50 pmLondon Heathrow

11h 20m

SAN4:10 pmSan Diego

$638

Find similar

Iberia

Apr 19

SAN3:25 pmSan Diego

15h 00m

1 stop

LHR2:25 pmLondon Heathrow

Apr 27

LHR2:30 pmLondon Heathrow

11h 20m

SAN5:50 pmSan Diego

$660

Find similar

Iberia

Jan 29

SAN6:20 amSan Diego

16h 30m

1 stop

LHR6:50 amLondon Heathrow

Feb 7

LHR7:40 pmLondon Heathrow

20h 52m

2 stops

SAN8:32 amSan Diego

$680

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Finnair flights from San Diego to London

Our best Finnair deals on San Diego to London flight tickets

Finnair

Feb 18

SAN10:51 amSan Diego

15h 09m

1 stop

LHR10:00 amLondon Heathrow

Feb 23

LHR12:50 pmLondon Heathrow

11h 20m

SAN4:10 pmSan Diego

$641

Find similar

Finnair

Jan 12

SAN10:50 amSan Diego

13h 45m

1 stop

LHR8:35 amLondon Heathrow

Jan 27

LHR12:50 pmLondon Heathrow

11h 20m

SAN4:10 pmSan Diego

$654

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Thu 1/15

4:20 pm-9:20 pm

3 stops21h 00m

London Heathrow

Tue 1/20

10:20 am-10:47 pm

2 stops20h 27m

$633

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Thu 1/15

10:52 am-7:55 am

1 stop13h 03m

London Heathrow

Tue 1/20

11:35 am-5:28 pm

1 stop13h 53m

$634

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 5/6

4:45 pm-11:30 am

Nonstop10h 45m

London Heathrow

Mon 5/18

2:30 pm-5:50 pm

Nonstop11h 20m

$635

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 1/14

6:00 pm-12:35 pm

Nonstop10h 35m

London Heathrow

Mon 1/19

2:10 pm-10:26 pm

1 stop16h 16m

$636

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Thu 3/12

6:30 am-7:10 am

2 stops17h 40m

London Heathrow

Thu 3/26

8:45 am-4:45 pm

1 stop15h 00m

$637

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sat 1/31

9:21 am-6:50 am

1 stop13h 29m

London Heathrow

Thu 2/12

12:50 pm-4:10 pm

Nonstop11h 20m

$638

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Fri 3/20

6:15 am-8:45 am

1 stop19h 30m

London Heathrow

Tue 3/31

6:30 am-11:50 am

1 stop13h 20m

$639

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Thu 2/12

6:00 pm-12:35 pm

Nonstop10h 35m

London Heathrow

Wed 2/18

12:50 pm-4:10 pm

Nonstop11h 20m

$640

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 2/18

10:51 am-10:00 am

1 stop15h 09m

London Heathrow

Mon 2/23

12:50 pm-4:10 pm

Nonstop11h 20m

$641

San DiegoLondon

SAN - LCY

SANLCY

San Diego

Mon 2/23

6:25 am-8:50 am

2 stops18h 25m

London City

Wed 3/4

5:05 pm-12:05 pm

1 stop27h 00m

$646

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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 $693.

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 $860. 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 $945. 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 $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 42% 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 22% 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	$417
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 $417. The best round-trip flight deal from San Diego to London found on momondo in the last 72 hours is $678.

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 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 50.74% of the total bookings. Other popular models include Boeing 787-8 Dreamliner with 25.57%, Airbus A350-1000 with 8.00%, and Boeing 777-300 with 5.03%.
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 13%, 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 2,900 reviews	Search JetBlue flights
Delta	PriceFrom $552	Free Cancellation	Rating 7.9 8,007 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 9,064 reviews	Search United Airlines flights
British Airways	PriceFrom $576	Free Cancellation	Rating 6.7 7,550 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $578	Free Cancellation	Rating 7.4 1,591 reviews	Search Scandinavian Airlines flights
Iberia	PriceFrom $581	Free Cancellation	Rating 7.0 3,038 reviews	Search Iberia flights
American Airlines	PriceFrom $594	Free Cancellation	Rating 7.2 11,045 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 7,605 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 $868 round-trip. American Airlines operates 7 flights out of San Diego into London in an average week, so prices vary by time and availability. 11,045 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

Romford

Watford

Ilford

Cobham

Folkestone

Uxbridge

Stansted

Chelmsford

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 Liverpoolfrom $416

Flights to Aberdeenfrom $462

Flights to Leedsfrom $421

Flights to Cardifffrom $440

Cheap flights from San Diego to London from $375

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 3/3. 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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Iberia flights from San Diego to London

Our best Iberia deals on San Diego to London flight tickets

Finnair flights from San Diego to London

Our best Finnair 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?

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 42% 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 22% cheaper when compared to flights at the same time last year.

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

SWISS, Air Canada, and Delta 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: 50% 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 Phoenix (PHX) offer the lowest average round-trip price of $659.

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