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Cheap flights from the United Kingdom to San Diego from £336

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAN
16 Jul — 23 Jul1
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 June 2026.

Mon 21/906:55
MAN
-
SAN
1 stop16h 00m
British Airways
Mon 28/916:45
SAN
-
MAN
1 stop14h 25m
British Airways
Deal found 11/6£623
Thu 5/1107:45
MAN
-
SAN
1 stop16h 25m
British Airways
Wed 20/118:00
SAN
-
MAN
1 stop16h 45m
British Airways
Deal found 13/6£645
Thu 17/910:20
BHX
-
SAN
2 stops22h 09m
Lufthansa
Thu 1/1017:15
SAN
-
BHX
1 stop15h 55m
Lufthansa
Deal found 11/6£646
Tue 1/912:20
MAN
-
SAN
1 stop34h 35m
Finnair
Thu 17/916:45
SAN
-
MAN
1 stop15h 00m
Finnair
Deal found 13/6£647
Wed 23/907:05
MAN
-
SAN
1 stop15h 50m
British Airways
Mon 28/916:45
SAN
-
MAN
1 stop14h 25m
British Airways
Deal found 10/6£648
Tue 1/907:55
MAN
-
SAN
2 stops19h 24m
British Airways
Thu 17/919:40
SAN
-
MAN
1 stop15h 35m
British Airways
Deal found 11/6£653
Fri 18/914:00
GLA
-
SAN
2 stops29h 35m
United Airlines
Thu 24/910:13
SAN
-
GLA
2 stops15h 57m
United Airlines
Deal found 14/6£657
Thu 10/909:40
EDI
-
SAN
1 stop21h 09m
United Airlines
Mon 14/912:45
SAN
-
EDI
1 stop13h 50m
United Airlines
Deal found 11/6£660
Sat 7/1109:25
EDI
-
SAN
1 stop21h 13m
United Airlines
Tue 10/1107:10
SAN
-
EDI
1 stop16h 45m
United Airlines
Deal found 15/6£663
Sat 5/1206:10
BHX
-
SAN
2 stops24h 28m
United Airlines
Wed 9/1208:50
SAN
-
BHX
2 stops19h 45m
United Airlines
Deal found 11/6£667
Thu 3/1206:10
BHX
-
SAN
2 stops19h 00m
United Airlines
Mon 7/1218:28
SAN
-
BHX
2 stops34h 07m
United Airlines
Deal found 14/6£669
Thu 17/906:05
BHX
-
SAN
2 stops20h 30m
United Airlines
Thu 1/1006:40
SAN
-
BHX
2 stops19h 10m
United Airlines
Deal found 11/6£674

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 June 2026.

Round-trip from

£623

One-way from

£336

Popular in

December

Cheapest in

January

Average price

£691

Good round-trip deal

£692 or less

Good one-way deal

£421 or less
British Airways
  • British Airways
  • 21/9-28/9
  • 2 total stops
  • 30h 25m total
  • United Kingdom to San Diego
Search Deals
24/9
  • 24/9
  • 3 total stops
  • 47h 15m total
  • United Kingdom to San Diego
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£1 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 June 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

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Thu 17/9

10:20-00:29

2 stops22h 09m

San Diego

Thu 1/10

17:15-17:10

1 stop15h 55m

£647

ManchesterSan Diego

MAN - SAN

MANSAN

Manchester

Tue 6/10

07:55-14:55

1 stop15h 00m

San Diego

Thu 15/10

12:05-15:45

2 stops19h 40m

£648
Fastest return journey

ManchesterSan Diego

MAN - SAN

MANSAN

Manchester

Tue 1/9

08:35-14:55

1 stop14h 20m

San Diego

Thu 17/9

19:40-19:15

1 stop15h 35m

£648

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Fri 18/9

14:00-10:58

3 stops28h 58m

San Diego

Thu 24/9

10:13-10:10

2 stops15h 57m

£657

EdinburghSan Diego

EDI - SAN

EDISAN

Edinburgh Turnhouse

Thu 10/9

09:40-22:49

1 stop21h 09m

San Diego

Mon 14/9

12:45-10:35

1 stop13h 50m

£660

EdinburghSan Diego

EDI - SAN

EDISAN

Edinburgh Turnhouse

Sat 7/11

09:25-22:28

2 stops21h 03m

San Diego

Tue 10/11

07:10-07:55

1 stop16h 45m

£663

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Sat 5/12

06:10-22:38

2 stops24h 28m

San Diego

Wed 9/12

08:50-12:35

2 stops19h 45m

£667

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Thu 3/12

06:10-17:10

2 stops19h 00m

San Diego

Mon 7/12

18:28-12:35

2 stops34h 07m

£669

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Sat 5/9

07:55-14:55

1 stop15h 00m

San Diego

Tue 8/9

15:05-18:40

2 stops19h 35m

£690

EdinburghSan Diego

EDI - SAN

EDISAN

Edinburgh Turnhouse

Thu 9/7

12:10-10:34

1 stop30h 24m

San Diego

Thu 16/7

20:40-10:00

1 stop29h 20m

£693

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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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, February is the cheapest month in which you can book a flight from United Kingdom to San Diego (average of £342). Flying from United Kingdom to San Diego in October is currently the most expensive (average of £1,360). 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 June 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 June 2026.

The most flights from GB0 to SAN are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

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

About 17% of weekly flights between United Kingdom and San Diego have experienced delays in the past year, with the average delay time being 151 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 Thursday 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 17% of flights being delayed.

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

The best time to book flights from United Kingdom to San Diego is 11 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

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 June 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
690 reviews
Check prices

Entertainment

7.5

Comfort

7.3

Crew

8.1

Overall

7.5

Food

6.9

Boarding

7.7

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
7.5
Good
690 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Entertainment

7.5

Comfort

7.3

Crew

8.1

Overall

7.5

Food

6.9

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
United Airlines
7.4
Good
9,841 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Entertainment

7.5

Comfort

7.3

Crew

8.1

Overall

7.5

Food

6.9

Boarding

7.7

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
11,662 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Entertainment

7.5

Comfort

7.3

Crew

8.1

Overall

7.5

Food

6.9

Boarding

7.7

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
8,066 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Entertainment

7.5

Comfort

7.3

Crew

8.1

Overall

7.5

Food

6.9

Boarding

7.7

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
8,051 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Entertainment

7.5

Comfort

7.3

Crew

8.1

Overall

7.5

Food

6.9

Boarding

7.7

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

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?

    Lufthansa, British Airways, and United Airlines can get you from United Kingdom to San Diego in just under 15h. Your travel time can differ by up to 13h 58m. There are 5327 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 Lufthansa (£304), JetBlue (£309), and British Airways (£319).

  • 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 City - 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 British Airways (82%).

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

    On average you can expect to pay £645 for a flight from United Kingdom to San Diego. The cheapest flight overall is £403 while the most popular route, (London Heathrow - San Diego) is currently priced at £538.

  • 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, February is the cheapest month in which you can book a flight from United Kingdom to San Diego (average of £342). Flying from United Kingdom to San Diego in October is currently the most expensive (average of £1,360). 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

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Alternative routes for United Kingdom to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£423Average£742FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£426Average£613FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£439Average£681FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£439Average£702FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£454Average£713FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£477Average£676FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£489Average£715FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest£517Average£645FlexibilityNo cancel feeOn-time76%
Search Finnair flights
DeltaCheapest£537Average£770FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Aer LingusCheapest£733Average£927FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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.

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