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Cheap flights from the United Kingdom to San Diego from £302

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAN
4 Jan — 11 Jan1
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 5 Dezember 2025.

Di 23/1220:15LHR - SAN
1 stop27h 30mLufthansa
Mo 26/114:11SAN - LHR
1 stop13h 04mLufthansa
Deal found 3/12£591
Mi 24/1206:35LHR - SAN
2 stops18h 59mLufthansa
Mo 26/111:10SAN - LHR
2 stops20h 40mLufthansa
Deal found 3/12£597
Mi 24/1210:25LHR - SAN
1 stop16h 16mAustrian Airlines
Mo 26/108:10SAN - LHR
1 stop14h 30mAustrian Airlines
Deal found 3/12£603
Mi 24/1213:30LHR - SAN
2 stops18h 45mUnited Airlines
Mo 26/108:00SAN - LHR
1 stop18h 15mUnited Airlines
Deal found 3/12£607
Sa 27/1211:20LHR - SAN
1 stop19h 21mVirgin Atlantic
Mi 28/119:50SAN - LHR
1 stop13h 00mVirgin Atlantic
Deal found 3/12£608
Mi 24/1216:40LHR - SAN
1 stop31h 05mUnited Airlines
Di 27/110:52SAN - LHR
1 stop13h 03mUnited Airlines
Deal found 3/12£609
Fr 26/1208:45LHR - SAN
1 stop15h 00mLufthansa
Di 27/114:11SAN - LHR
1 stop13h 04mLufthansa
Deal found 3/12£620
Mi 24/1218:00LHR - SAN
2 stops36h 32mAir Canada
Mi 28/112:45SAN - LHR
1 stop15h 05mAir Canada
Deal found 3/12£623
Mi 24/1214:30LHR - SAN
1 stop34h 54mUnited Airlines
Mi 28/109:55SAN - LHR
1 stop13h 30mUnited Airlines
Deal found 3/12£627
Di 23/1216:40LHR - SAN
1 stop31h 05mMultiple Airlines
Di 27/112:45SAN - LHR
1 stop15h 05mMultiple Airlines
Deal found 3/12£627
Di 16/1207:15LCY - SAN
2 stops22h 29mBritish Airways
Mi 7/109:24SAN - LCY
2 stops24h 56mBritish Airways
Deal found 2/12£663
Fr 12/1211:55LGW - SAN
2 stops40h 15mIcelandair
Fr 9/109:37SAN - LGW
2 stops17h 18mIcelandair
Deal found 4/12£683

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 5 Dezember 2025.

Round-trip from

£465

One-way from

£302

Popular in

December

Cheapest in

February

Average price

£771

Good round-trip deal

£574 or less

Good one-way deal

£612 or less
British Airways
  • British Airways
  • 11/5-14/5
  • 2 total stops
  • 32h 05m total
  • United Kingdom to San Diego
Search Deals
17/1
  • 17/1
  • 2 total stops
  • 59h 35m total
  • United Kingdom to San Diego
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£17 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 December 2025
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 5 Dezember 2025.
Use the filters below to find and compare flights from the United Kingdom to San Diego that are best for you.

Fly from

United Kingdom

Fly to

San Diego

Route

Depart

Return

Price

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Mo 11/5

09:05-17:50

1 stop16h 45m

San Diego

Do 14/5

16:45-16:05

1 stop15h 20m

£465

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Mo 27/4

11:35-17:50

1 stop14h 15m

San Diego

Do 30/4

19:40-18:40

1 stop15h 00m

£486

ManchesterSan Diego

MAN - SAN

MANSAN

Manchester

Sa 17/1

13:00-23:05

2 stops18h 05m

San Diego

Sa 24/1

09:55-12:10

2 stops18h 15m

£515

ManchesterSan Diego

MAN - SAN

MANSAN

Manchester

Sa 17/1

11:15-15:45

1 stop36h 30m

San Diego

Sa 24/1

10:52-17:55

2 stops23h 03m

£518

EdinburghSan Diego

EDI - SAN

EDISAN

Edinburgh Turnhouse

Do 22/1

09:25-20:42

2 stops19h 17m

San Diego

Mo 26/1

22:00-07:55

2 stops25h 55m

£519

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Do 22/1

06:00-17:28

2 stops19h 28m

San Diego

Mo 26/1

06:15-12:45

3 stops22h 30m

£530

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Do 22/1

06:00-23:05

2 stops25h 05m

San Diego

Mo 26/1

07:00-17:00

2 stops26h 00m

£531

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Di 13/1

06:00-23:05

2 stops25h 05m

San Diego

Do 22/1

06:15-12:35

3 stops22h 20m

£531

ManchesterSan Diego

MAN - SAN

MANSAN

Manchester

Do 22/1

09:25-21:56

2 stops20h 31m

San Diego

Fr 30/1

10:52-17:00

2 stops22h 08m

£531

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Di 13/1

17:45-15:45

1 stop30h 00m

San Diego

Do 22/1

14:11-17:00

2 stops18h 49m

£534

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 60 results
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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, December is the cheapest month in which you can book a flight from United Kingdom to San Diego (average of £341). Flying from United Kingdom to San Diego in August is currently the most expensive (average of £416). 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 5 Dezember 2025.

It’s optimal to fly from United Kingdom to San Diego at midday. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from United Kingdom to San Diego?

Use this chart to determine the cheapest time to fly return from United Kingdom to San Diego. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their United Kingdom to San Diego flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 146 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 5 Dezember 2025.
Read through reviews of airlines operating flights from the United Kingdom to San Diego, such as Finnair, Virgin Atlantic, andIberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.9

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Finnair
7.6
Good
1,334 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.9

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Virgin Atlantic
7.5
Good
675 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.9

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Iberia
7.0
Good
3,040 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.9

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Lufthansa
6.8
Okay
7,613 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.9

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
British Airways
6.7
Okay
7,562 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.9

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.

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, Lufthansa, and United Airlines can get you from United Kingdom to San Diego in just under 16h 45m. Your travel time can differ by up to 2h 32m. There are 5153 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 (£311), British Airways (£389), and Iberia (£457).

  • 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 (62%), Alaska Airlines (62%) and British Airways (62%).

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

    On average you can expect to pay £2,066 for a flight from United Kingdom to San Diego. The cheapest flight overall is £505 while the most popular route, (London Heathrow - San Diego) is currently priced at £432.

  • 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 £341). Flying from United Kingdom to San Diego in August is currently the most expensive (average of £416). 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 5 Dezember 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£389Average£517FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£400Average£565FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£403Average£644FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£406Average£590FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£412Average£608FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£418Average£428FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£423Average£639FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£428Average£637FlexibilityNo cancel feeOn-time75%
Search KLM flights
JetBlueCheapest£457Average£826FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
American AirlinesCheapest£471Average£645FlexibilityNo 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.

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