How long is the flight from London to San Diego?

Departing from London to San Diego will take you 13h 35m. London and San Diego are separated by a distance of 5469 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from London to San Diego round-trip?

According to our current data, United Airlines (£417), JetBlue (£419), and Lufthansa (£423) offers the cheapest pricing from London to San Diego. United Airlines is 38% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from London to San Diego one-way?

£309 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on British Airways and Finnair, with prices starting from £386 and £604, respectively.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

What are the most popular routes from London to San Diego?

When deciding which route to take from London to San Diego consider London Heathrow - San Diego, London Gatwick - San Diego or London Stansted - San Diego as they are the most popular.

What are the cheapest flights from London to San Diego?

Looking at all options, your cheapest flight can be booked for £479. While the most popular route (London Heathrow - San Diego) can be booked for £549 on average, our data indicates £1,600 when flying from London to San Diego.

What are the most reliable airlines from London to San Diego?

Consider American Airlines (75%), Alaska Airlines (75%) or Aer Lingus (75%) when booking your flight. These represent the most reliable airlines when flying from London to San Diego.

What are the most popular airlines that fly from London to San Diego?

Consider British Airways, American Airlines or United Airlines when booking your flight. These represent the most popular airlines when flying from London to San Diego.

What airport do you fly into for flights to San Diego from London?

If you book a flight to San Diego from London, you will be flying to San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego. There are 8 flights from London to San Diego per day from 10 different airlines.

Can I find deals for flights from London to San Diego that include hotel bookings?

Yes. In addition to deals on London to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to San Diego?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to San Diego.

Can I find deals for business class flights from London to San Diego?

Yes. Cheapflights offers flight deals from London to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£415+ Cheap Flights from London to San Diego

Cheapflights Tip: The best prices from London to San Diego are usually found in January or February, booked 65 days in advance, depart on a Tuesday or Monday and return on a Sunday

Cheap flight deals from London to San Diego

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from London to San Diego
Explore the most affordable flight options available from London to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Wed 9/915:05 -

1 stop28h 42m

Sat 19/907:00 -

1 stop15h 30m

Deal found 29/8£610

Mon 7/910:00 -

1 stop32h 58m

Thu 17/912:37 -

1 stop15h 48m

Deal found 29/8£611

Mon 21/914:05 -

1 stop14h 31m

Wed 7/1013:24 -

2 stops15h 56m

Deal found 27/8£612

Wed 9/911:00 -

1 stop15h 16m

Tue 24/1118:00 -

Nonstop10h 40m

Deal found 28/8£613

Mon 28/910:25 -

2 stops19h 41m

Mon 5/1013:15 -

2 stops18h 45m

Deal found 31/8£613

Wed 9/911:25 -

1 stop17h 09m

Tue 24/1116:45 -

1 stop12h 45m

Deal found 27/8£613

Fri 18/914:10 -

2 stops29h 37m

Wed 7/1007:00 -

2 stops15h 30m

Deal found 31/8£614

Wed 9/914:05 -

2 stops29h 42m

Thu 8/1016:55 -

2 stops29h 35m

Deal found 27/8£616

Wed 9/906:30 -

2 stops19h 36m

Tue 20/1010:57 -

2 stops15h 23m

Deal found 27/8£616

Sun 11/1007:25 -

1 stop16h 00m

Sun 18/1014:07 -

1 stop13h 48m

Deal found 27/8£617

Mon 19/1009:45 -

1 stop21h 34m

Mon 26/1019:00 -

Nonstop10h 40m

Deal found 31/8£618

Mon 12/1007:25 -

1 stop16h 00m

Mon 19/1014:07 -

1 stop13h 48m

Deal found 28/8£619

Best flights from London to San Diego
Discover carefully curated flight deals from London to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Tue 29/913:10 -

1 stop16h 20m

Mon 12/1016:45 -

Nonstop10h 45m

Deal found 29/8£613

Sun 10/111:35 -

1 stop13h 35m

Fri 22/106:30 -

2 stops16h 55m

Deal found 1/9£618

Tue 10/1106:40 -

2 stops25h 19m

Sun 22/1111:05 -

3 stops20h 55m

Deal found 30/8£620

Mon 11/120:05 -

1 stop24h 05m

Mon 18/106:15 -

2 stops19h 15m

Deal found 31/8£646

Tue 12/106:30 -

1 stop13h 40m

Sat 16/114:05 -

1 stop14h 00m

Deal found 31/8£661

Mon 28/919:15 -

2 stops31h 25m

Wed 7/1006:40 -

2 stops21h 55m

Deal found 28/8£681

Fri 30/1014:45 -

2 stops26h 15m

Sat 31/1021:18 -

2 stops32h 02m

Deal found 28/8£704

Wed 7/1014:00 -

1 stop27h 40m

Sat 17/1007:00 -

1 stop15h 20m

Deal found 30/8£713

Fri 11/1216:40 -

2 stops35h 36m

Thu 14/121:40 -

2 stops34h 05m

Deal found 31/8£797

Mon 19/1010:50 -

2 stops41h 17m

Mon 26/1011:41 -

2 stops39h 14m

Deal found 31/8£1,027

Sat 21/1106:30 -

1 stop13h 40m

Fri 27/1106:15 -

2 stops16h 50m

Deal found 31/8£670

Thu 24/908:25 -

2 stops18h 48m

Thu 8/1013:40 -

1 stop19h 00m

Deal found 1/9£673

Mon 2/1119:05 -

2 stops35h 35m

Sun 8/1110:40 -

2 stops42h 10m

Deal found 28/8£681

Fri 16/1011:35 -

Nonstop11h 20m

Fri 23/1013:08 -

1 stop13h 22m

Deal found 31/8£706

Mon 12/1006:40 -

2 stops22h 35m

Mon 19/1015:00 -

3 stops22h 35m

Deal found 31/8£735

Tue 13/1019:15 -

2 stops31h 25m

Tue 20/1006:40 -

2 stops21h 55m

Deal found 28/8£683

Tue 13/1008:25 -

2 stops22h 26m

Tue 20/1013:40 -

1 stop22h 05m

Deal found 29/8£684

Thu 10/1210:25 -

2 stops20h 31m

Thu 14/112:39 -

2 stops18h 21m

Deal found 31/8£796

Tue 27/1014:45 -

1 stop15h 41m

Fri 30/1019:27 -

1 stop33h 53m

Deal found 30/8£799

Tue 29/908:25 -

2 stops20h 54m

Mon 12/1015:30 -

2 stops20h 15m

Deal found 29/8£703

Mon 19/1014:00 -

1 stop27h 40m

Mon 26/1010:54 -

1 stop36h 56m

Deal found 31/8£796

Wed 23/909:25 -

2 stops20h 45m

Tue 6/1006:40 -

2 stops17h 45m

Deal found 27/8£741

Tue 29/906:40 -

3 stops25h 07m

Mon 12/1010:57 -

2 stops22h 43m

Deal found 29/8£848

Tue 13/1013:05 -

1 stop33h 30m

Tue 20/1007:00 -

1 stop15h 20m

Deal found 28/8£864

Mon 28/920:15 -

1 stop23h 35m

Wed 7/1006:25 -

2 stops17h 30m

Deal found 28/8£797

Tue 27/1019:05 -

2 stops34h 35m

Sun 1/1110:40 -

2 stops42h 10m

Deal found 27/8£797

Tue 20/1017:35 -

2 stops34h 32m

Wed 28/1011:40 -

2 stops45h 40m

Deal found 30/8£1,102

Mon 14/914:00 -

1 stop38h 31m

Fri 18/914:20 -

1 stop32h 00m

Deal found 30/8£899

Tue 13/1017:35 -

2 stops34h 32m

Tue 27/1011:40 -

2 stops45h 40m

Deal found 29/8£1,104

Sat 10/1009:00 -

2 stops21h 41m

Thu 15/1006:40 -

2 stops21h 55m

Deal found 27/8£865

Find flight deals from London to San Diego

Round-trip from	£610
One-way from	£415
Popular in	July
Cheapest in	January
Average price	£593
Good round-trip deal	£727 or less
Good one-way deal	£641 or less

Air Canada
11/9-14/9
3 total stops
44h 49m total
London to San Diego

Search Deals

28/10
3 total stops
30h 37m total
London to San Diego

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£105 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from London (LON) to San Diego.

Search Deals

Price to beat on a one-way flight from London (LON) to San Diego.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Tue 29/9

13:10-21:30

1 stop16h 20m

San Diego

Mon 12/10

16:45-11:30

Nonstop10h 45m

£613

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Sun 10/1

11:35-17:10

1 stop13h 35m

San Diego

Fri 22/1

06:30-07:25

2 stops16h 55m

£618

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Tue 10/11

06:40-23:59

2 stops25h 19m

San Diego

Sun 22/11

11:05-16:00

3 stops20h 55m

£620

LondonSan Diego

LCY London City - SAN San Diego

LCYSAN

London City

Mon 11/1

20:05-12:10

1 stop24h 05m

San Diego

Mon 18/1

06:15-09:30

2 stops19h 15m

£646

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Tue 12/1

06:30-12:10

1 stop13h 40m

San Diego

Sat 16/1

14:05-12:05

1 stop14h 00m

£661

LondonSan Diego

LHR London Heathrow - SAN San Diego

LHRSAN

London Heathrow

Sat 21/11

06:30-12:10

1 stop13h 40m

San Diego

Fri 27/11

06:15-07:05

2 stops16h 50m

£670

LondonSan Diego

LCY London City - SAN San Diego

LCYSAN

London City

Thu 24/9

08:25-19:13

2 stops18h 48m

San Diego

Thu 8/10

13:40-16:40

1 stop19h 00m

£673

LondonSan Diego

LCY London City - SAN San Diego

LCYSAN

London City

Mon 28/9

19:15-18:40

2 stops31h 25m

San Diego

Wed 7/10

06:40-12:35

2 stops21h 55m

£681

LondonSan Diego

LCY London City - SAN San Diego

LCYSAN

London City

Mon 2/11

19:05-22:40

2 stops35h 35m

San Diego

Sun 8/11

10:40-12:50

2 stops42h 10m

£681

LondonSan Diego

LCY London City - SAN San Diego

LCYSAN

London City

Tue 13/10

19:15-18:40

2 stops31h 25m

San Diego

Tue 20/10

06:40-12:35

2 stops21h 55m

£683

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from London to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from London with our price prediction graph.

LON-SAN

LHR-SAN

LCY-SAN

LGW-SAN

STN-SAN

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to San Diego

LON-SAN

LHR-SAN

LCY-SAN

LGW-SAN

STN-SAN

What is the cheapest month to book a flight from London to San Diego?

Currently, February is the cheapest month in which you can book a flight from London to San Diego (average of £526). Flying from London to San Diego in August is currently the most expensive (average of £890). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to SAN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to San Diego as you normally would.

Weekly flight availability from London to San Diego

The most flights from LON to SAN are scheduled on a Monday (9 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost for a return flight from London to San Diego?

Airfare is typical for this route at the moment.

London to San Diego flights typically cost between £550 and £662 in September.
The cheapest return price found within the last 5 days was £610 on Air Canada (11 Sept–14 Sept).

What’s the top stopover airport for flights from London to San Diego?

Denver (DEN) – chosen by Cheapflights users on 40% of one-stop itineraries from London to San Diego on Cheapflights.

What’s the cheapest stopover airport for flights from London to San Diego?

Amsterdam (AMS) is the most affordable one-stop option, with an average return flight price of £450.

What’s the fastest stopover option from London to San Diego?

Flights via Salt Lake City (SLC) have the shortest average one-way travel time for one-stop routes: 13h 24m.

Which airport typically offers the quickest stopover for flights from London to San Diego?

Flights via Salt Lake City (SLC) offer the fastest connection on this route, with an average stopover time of 0h 59m.

How often are flights from London to San Diego delayed?

About 16% of weekly flights between London and San Diego have experienced delays in the past year, with the average delay time being 143 minutes.

What is the most punctual flight time for London to San Diego flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to San Diego flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 16% of flights being delayed.

How far ahead should I book a flight from London to San Diego?

The best time to book flights from London to San Diego is 38 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing San Diego

Read through reviews of airlines operating flights from London to San Diego, such as Virgin Atlantic,American Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Virgin Atlantic

7.4

Good

695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Virgin Atlantic

7.4

Good

695 reviews

Virgin Atlantic

7.4

Good

695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

American Airlines

7.1

Good

12,026 reviews

Virgin Atlantic

7.4

Good

695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

JetBlue

7.1

Good

3,034 reviews

Virgin Atlantic

7.4

Good

695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Lufthansa

6.8

Okay

8,228 reviews

Virgin Atlantic

7.4

Good

695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

British Airways

6.7

Okay

8,198 reviews

Virgin Atlantic

7.4

Good

695 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

What airport do you fly into for flights to San Diego from London?
If you book a flight to San Diego from London, you will be flying to San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego. There are 8 flights from London to San Diego per day from 10 different airlines.
How long is the flight from London to San Diego?
Departing from London to San Diego will take you 13h 35m. London and San Diego are separated by a distance of 5469 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from London to San Diego round-trip?
According to our current data, United Airlines (£417), JetBlue (£419), and Lufthansa (£423) offers the cheapest pricing from London to San Diego. United Airlines is 38% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from London to San Diego one-way?
£309 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on British Airways and Finnair, with prices starting from £386 and £604, respectively.
What are the most popular routes from London to San Diego?
When deciding which route to take from London to San Diego consider London Heathrow - San Diego, London Gatwick - San Diego or London Stansted - San Diego as they are the most popular.
What are the most reliable airlines from London to San Diego?
Consider American Airlines (75%), Alaska Airlines (75%) or Aer Lingus (75%) when booking your flight. These represent the most reliable airlines when flying from London to San Diego.
What are the cheapest flights from London to San Diego?
Looking at all options, your cheapest flight can be booked for £479. While the most popular route (London Heathrow - San Diego) can be booked for £549 on average, our data indicates £1,600 when flying from London to San Diego.
Can I find deals for flights from London to San Diego that include hotel bookings?
Yes. In addition to deals on London to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to San Diego?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to San Diego.
Can I find deals for business class flights from London to San Diego?
Yes. Cheapflights offers flight deals from London to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London to San Diego?
Currently, February is the cheapest month in which you can book a flight from London to San Diego (average of £526). Flying from London to San Diego in August is currently the most expensive (average of £890). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Fly from London to San Diego on these airlines

British Airways flights from London to San Diego

Virgin Atlantic flights from London to San Diego

Finnair flights from London to San Diego

Top 10 airlines flying from London to San Diego

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£417	Average£590	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
JetBlue	Cheapest£419	Average£744	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Lufthansa	Cheapest£423	Average£592	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Iberia	Cheapest£429	Average£581	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
KLM	Cheapest£450	Average£803	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Virgin Atlantic	Cheapest£473	Average£601	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£474	Average£685	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
American Airlines	Cheapest£484	Average£763	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Finnair	Cheapest£558	Average£672	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Aer Lingus	Cheapest£758	Average£1,001	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to San Diego?

Cheapflights makes it easy to find London to San Diego flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London to San Diego?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Diego from London.

Can Cheapflights find flights from London to San Diego with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to San Diego flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to San Diego become cheaper?

Yes! Start tracking prices for London to San Diego flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from London to San Diego from £415

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to San Diego

Cheapest flights from London to San DiegoExplore the most affordable flight options available from London to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Explore the most affordable flight options available from London to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Best flights from London to San DiegoDiscover carefully curated flight deals from London to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Discover carefully curated flight deals from London to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Direct flights from London to San DiegoExplore direct flight options from London to San Diego based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 September 2026.

Explore direct flight options from London to San Diego based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 September 2026.

Last-minute flights from London to San DiegoDiscover last-minute flight deals from London to San Diego. Data last updated 1 September 2026 and is based on user searches.

Discover last-minute flight deals from London to San Diego. Data last updated 1 September 2026 and is based on user searches.

One-way flights from London to San DiegoSearch for one-way flight options from London to San Diego. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Search for one-way flight options from London to San Diego. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Find flight deals from London to San Diego

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from London to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from London with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from London to San Diego?

What is the cheapest time of day to fly from LON to SAN?

Find hourly flight availability from London to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 September 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to San Diego as you normally would.

Weekly flight availability from London to San Diego

Explore weekly flight availability from London to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 1 September 2026.

The most flights from LON to SAN are scheduled on a Monday (9 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost for a return flight from London to San Diego?

Airfare is typical for this route at the moment.

London to San Diego flights typically cost between £550 and £662 in September.The cheapest return price found within the last 5 days was £610 on Air Canada (11 Sept–14 Sept).

What’s the top stopover airport for flights from London to San Diego?

Share of one-stop return flights from London to San Diego chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Denver (DEN) – chosen by Cheapflights users on 40% of one-stop itineraries from London to San Diego on Cheapflights.

What’s the cheapest stopover airport for flights from London to San Diego?

Average return fare for one-stop flights from London to San Diego, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Amsterdam (AMS) is the most affordable one-stop option, with an average return flight price of £450.

What’s the fastest stopover option from London to San Diego?

Shortest average travel time for one-stop one-way flights from London to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Salt Lake City (SLC) have the shortest average one-way travel time for one-stop routes: 13h 24m.

Which airport typically offers the quickest stopover for flights from London to San Diego?

Average stopover duration for one-stop one-way flights from London to San Diego, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Salt Lake City (SLC) offer the fastest connection on this route, with an average stopover time of 0h 59m.

How often are flights from London to San Diego delayed?

About 16% of weekly flights between London and San Diego have experienced delays in the past year, with the average delay time being 143 minutes.

What is the most punctual flight time for London to San Diego flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to San Diego flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 16% of flights being delayed.

How far ahead should I book a flight from London to San Diego?

The best time to book flights from London to San Diego is 38 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing San Diego

Read through reviews of airlines operating flights from London to San Diego, such as Virgin Atlantic,American Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to San Diego from London?

How long is the flight from London to San Diego?

What are the cheapest airlines flying from London to San Diego round-trip?

What are the cheapest airlines to fly from London to San Diego one-way?

What are the most popular routes from London to San Diego?

What are the most reliable airlines from London to San Diego?

What are the cheapest flights from London to San Diego?

Can I find deals for flights from London to San Diego that include hotel bookings?

How can I find direct flights from London to San Diego?

Can I find deals for business class flights from London to San Diego?

What is the cheapest month to book a flight from London to San Diego?

Travelling to a place near San Diego?

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Fly from London to San Diego on these airlines

Choose from the following airlines for your flight from London to San Diego. Flights are based on user searches made on Cheapflights and were last updated on 1 September 2026.

Alternative routes for London to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Cheapest flights from London to San Diego
Explore the most affordable flight options available from London to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Best flights from London to San Diego
Discover carefully curated flight deals from London to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Direct flights from London to San Diego
Explore direct flight options from London to San Diego based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 September 2026.

Last-minute flights from London to San Diego
Discover last-minute flight deals from London to San Diego. Data last updated 1 September 2026 and is based on user searches.

One-way flights from London to San Diego
Search for one-way flight options from London to San Diego. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

London to San Diego flights typically cost between £550 and £662 in September.
The cheapest return price found within the last 5 days was £610 on Air Canada (11 Sept–14 Sept).