Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from the United Kingdom to San Diego from £263

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAN
15 Apr — 22 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to San Diego
Explore the most affordable flight options available from United Kingdom to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 March 2026.

Thu 10/914:10
LHR
-
SAN
2 stops38h 35m
United Airlines
Sat 12/917:00
SAN
-
LHR
1 stop33h 10m
United Airlines
Deal found 11/3£480
Thu 30/410:00
LHR
-
SAN
1 stop18h 04m
United Airlines
Wed 6/510:23
SAN
-
LHR
1 stop17h 12m
United Airlines
Deal found 15/3£481
Sat 23/506:55
LHR
-
SAN
1 stop16h 30m
United Airlines
Sat 23/518:27
SAN
-
LHR
1 stop28h 58m
United Airlines
Deal found 13/3£482
Thu 30/416:15
LHR
-
SAN
1 stop14h 22m
United Airlines
Sun 10/522:20
SAN
-
LHR
1 stop15h 15m
United Airlines
Deal found 15/3£488
Thu 12/1112:50
LHR
-
SAN
Nonstop11h 20m
British Airways
Sat 5/1218:00
SAN
-
LHR
Nonstop10h 35m
British Airways
Deal found 15/3£495
Fri 1/511:05
LHR
-
SAN
1 stop19h 34m
United Airlines
Fri 15/509:09
SAN
-
LHR
1 stop14h 16m
United Airlines
Deal found 15/3£504
Thu 30/411:35
LHR
-
SAN
Nonstop11h 20m
British Airways
Sun 10/516:45
SAN
-
LHR
Nonstop10h 45m
British Airways
Deal found 15/3£513
Thu 30/410:55
LHR
-
SAN
1 stop15h 10m
Delta
Fri 8/511:50
SAN
-
LHR
1 stop17h 15m
Delta
Deal found 15/3£517
Thu 30/411:35
LHR
-
SAN
Nonstop11h 20m
British Airways
Thu 7/516:45
SAN
-
LHR
Nonstop10h 45m
British Airways
Deal found 15/3£519
Mon 4/511:55
LHR
-
SAN
1 stop16h 09m
JetBlue
Wed 6/521:15
SAN
-
LHR
1 stop15h 30m
JetBlue
Deal found 15/3£537
Thu 30/411:35
LHR
-
SAN
Nonstop11h 20m
British Airways
Sat 9/519:40
SAN
-
LHR
Nonstop10h 40m
British Airways
Deal found 15/3£541
Tue 14/406:55
LHR
-
SAN
1 stop16h 30m
Multiple Airlines
Tue 5/508:00
SAN
-
LHR
1 stop18h 40m
Multiple Airlines
Deal found 14/3£543

Find flight deals from United Kingdom to San Diego

Keep the following information in mind while searching for United Kingdom to San Diego flight deals. Data was last updated 16 March 2026.

Round-trip from

£480

One-way from

£263

Popular in

December

Cheapest in

January

Average price

£626

Good round-trip deal

£668 or less

Good one-way deal

£439 or less
United Airlines
  • United Airlines
  • 10/9-12/9
  • 3 total stops
  • 71h 45m total
  • United Kingdom to San Diego
Search Deals
27/4
  • 27/4
  • 2 total stops
  • 47h 25m total
  • United Kingdom to San Diego
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from United Kingdom to San Diego.
Search Deals
Price to beat on a one-way flight from United Kingdom to San Diego.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 March 2026.
Use the filters below to find and compare flights from the United Kingdom to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 27/4

16:25-23:56

1 stop15h 31m

San Diego

Mon 4/5

19:40-14:20

Nonstop10h 40m

£591

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Tue 8/9

07:25-15:25

1 stop16h 00m

San Diego

Fri 11/9

22:20-21:35

1 stop15h 15m

£597

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Mon 13/4

13:30-11:50

1 stop30h 20m

San Diego

Mon 20/4

13:40-16:10

2 stops18h 30m

£602

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Wed 29/4

09:20-22:59

2 stops21h 39m

San Diego

Wed 6/5

10:46-08:25

2 stops37h 39m

£608

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Wed 9/9

07:25-15:25

1 stop16h 00m

San Diego

Sat 12/9

09:45-09:40

2 stops15h 55m

£610

AberdeenSan Diego

ABZ - SAN

ABZSAN

Aberdeen Dyce

Tue 28/4

06:15-11:50

1 stop13h 35m

San Diego

Tue 12/5

13:40-12:20

1 stop14h 40m

£613

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Mon 13/4

09:25-18:51

2 stops41h 26m

San Diego

Mon 20/4

11:00-16:45

2 stops21h 45m

£618

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Mon 13/4

09:10-11:50

1 stop34h 40m

San Diego

Mon 20/4

11:58-16:10

2 stops20h 12m

£620

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Mon 13/4

06:00-20:42

2 stops22h 42m

San Diego

Mon 20/4

06:20-12:55

2 stops22h 35m

£622

AberdeenSan Diego

ABZ - SAN

ABZSAN

Aberdeen Dyce

Mon 13/4

17:20-11:50

1 stop26h 30m

San Diego

Mon 20/4

07:15-10:00

2 stops18h 45m

£623

Flights are sorted by cheapest return flights first.

Deals found on 14/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from United Kingdom to San Diego

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

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

Currently, December is the cheapest month in which you can book a flight from United Kingdom to San Diego (average of £336). Flying from United Kingdom to San Diego in July is currently the most expensive (average of £420). 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 GB to SAN?

Find hourly flight availability from United Kingdom 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 16 March 2026.

When flying from United Kingdom to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from United Kingdom to San Diego

Explore weekly flight availability from United Kingdom 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 16 March 2026.

The most flights from GB0 to SAN are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

How often are flights from the United Kingdom to San Diego delayed?

About 16% of weekly flights between United Kingdom and San Diego have experienced delays in the past year, with the average delay time being 156 minutes.

What is the most punctual flight time for the United Kingdom 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 Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United Kingdom 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.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 16 March 2026.
Read through reviews of airlines operating flights from the United Kingdom to San Diego, such as Virgin Atlantic,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
680 reviews
Check prices

Entertainment

7.6

Comfort

7.3

Overall

7.5

Boarding

7.7

Crew

8.2

Food

6.9

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
Virgin Atlantic
7.5
Good
680 reviews
Virgin Atlantic
7.5
Good
680 reviews
Check prices

Entertainment

7.6

Comfort

7.3

Overall

7.5

Boarding

7.7

Crew

8.2

Food

6.9

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
United Airlines
7.4
Good
9,428 reviews
Virgin Atlantic
7.5
Good
680 reviews
Check prices

Entertainment

7.6

Comfort

7.3

Overall

7.5

Boarding

7.7

Crew

8.2

Food

6.9

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
American Airlines
7.1
Good
11,467 reviews
Virgin Atlantic
7.5
Good
680 reviews
Check prices

Entertainment

7.6

Comfort

7.3

Overall

7.5

Boarding

7.7

Crew

8.2

Food

6.9

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
Lufthansa
6.8
Okay
7,851 reviews
Virgin Atlantic
7.5
Good
680 reviews
Check prices

Entertainment

7.6

Comfort

7.3

Overall

7.5

Boarding

7.7

Crew

8.2

Food

6.9

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
British Airways
6.7
Okay
7,794 reviews
Virgin Atlantic
7.5
Good
680 reviews
Check prices

Entertainment

7.6

Comfort

7.3

Overall

7.5

Boarding

7.7

Crew

8.2

Food

6.9

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from United Kingdom?

    Most people fly into San Diego (SAN) if they book a flight to San Diego from United Kingdom. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

  • How long is the flight from United Kingdom to San Diego?

    British Airways, United Airlines, and Air France can get you from United Kingdom to San Diego in just under 15h 31m. Your travel time can differ by up to 14h 49m. There are 5469 mi between United Kingdom and San Diego. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from United Kingdom to San Diego one-way?

    The cheapet airlines for a one-way flight from United Kingdom to San Diego are JetBlue (£314), British Airways (£324), and Iberia (£388).

  • What are the most popular routes from United Kingdom to San Diego?

    When deciding which route to take from United Kingdom 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 United Kingdom to San Diego?

    The top 3 most reliable airlines when flying from United Kingdom to San Diego are American Airlines (82%), Alaska Airlines (82%) and Aer Lingus (82%).

  • What are the cheapest flights from United Kingdom to San Diego?

    On average you can expect to pay £2,265 for a flight from United Kingdom to San Diego. The cheapest flight overall is £438 while the most popular route, (London Heathrow - San Diego) is currently priced at £482.

  • Can I find deals for flights from United Kingdom to San Diego that include hotel bookings?

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

  • How can I find direct flights from United Kingdom to San Diego?

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

  • Can I find deals for business class flights from United Kingdom to San Diego?

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to San Diego?

    Currently, December is the cheapest month in which you can book a flight from United Kingdom to San Diego (average of £336). Flying from United Kingdom to San Diego in July is currently the most expensive (average of £420). 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

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
El Cajon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for United Kingdom to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Los Angeles flights
Heathrow to San Francisco flights
Heathrow to Las Vegas flights
London City to Los Angeles flights
Gatwick to Los Angeles flights
Stansted to Los Angeles flights
Heathrow to Ontario flights
Luton to Los Angeles flights
Gatwick to San Francisco flights
Gatwick to Las Vegas flights
Stansted to San Francisco flights
Heathrow to Long Beach flights
London City to San Francisco flights
Heathrow to Santa Ana flights
Heathrow to San Diego flights
London City to Las Vegas flights
Stansted to Las Vegas flights
Heathrow to San Jose flights
Manchester to Las Vegas flights
Manchester to Los Angeles flights
Luton to San Francisco flights
Gatwick to San Diego flights
London City to Santa Ana flights
Luton to Las Vegas flights
Manchester to San Francisco flights
Edinburgh to Los Angeles flights
Heathrow to Burbank flights
Manchester to Ontario flights
Birmingham to Las Vegas flights
Birmingham to Los Angeles flights
Edinburgh to Las Vegas flights
London City to San Diego flights
Istanbul to San Francisco flights
Stansted to San Diego flights
Manchester to Long Beach flights
Gatwick to Ontario flights
Heathrow to Oakland flights
Edinburgh to San Francisco flights
Newcastle upon Tyne to Las Vegas flights
Newcastle upon Tyne to Los Angeles flights
Heathrow to Palm Springs flights
Gatwick to San Jose flights
Glasgow Intl to San Francisco flights
Heathrow to Sacramento flights
Glasgow Intl to Las Vegas flights
Southend to Los Angeles flights
London City to Palm Springs flights
Gatwick to Palm Springs flights

Top 10 airlines flying from United Kingdom to San Diego

Discover the top 10 airlines that operate flights from United Kingdom to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£392Average£532FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£403Average£633FlexibilityNo cancel feeOn-time76%
Search Finnair flights
JetBlueCheapest£429Average£724FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£431Average£609FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£445Average£650FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£461Average£678FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£461Average£688FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£482Average£647FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£483Average£646FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapest£494Average£649FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for United Kingdom to San Diego flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from United Kingdom to San Diego by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to San Diego from United Kingdom shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Diego from United Kingdom today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.