Cheap flights from the United Kingdom to San Diego from £373

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 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAN
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheap 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 September 2025.

Round-trip from

£462

One-way from

£373

Popular in

July

Cheapest in

February

Average price

£500

Good round-trip deal

£543 or less

Good one-way deal

£672 or less
JetBlue
  • JetBlue
  • 6/10-11/10
  • 2 total stops
  • 48h 46m total
  • United Kingdom to San Diego
24/11
  • 24/11
  • 2 total stops
  • 59h 31m total
  • United Kingdom to San Diego
Highest demand for flights based on searches. 15% potential increase in price (£75 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from United Kingdom to San Diego.
Price to beat on a one-way flight from United Kingdom to San Diego.

Find flight deals from United Kingdom to San Diego

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 September 2025.

Mon 6/1008:15LHR - SAN
1 stop32h 41mJetBlue
Sat 11/1020:40SAN - LHR
1 stop16h 05mJetBlue
Deal found 16/9£462
Fri 19/908:25LHR - SAN
2 stops32h 36mIcelandair
Mon 29/920:55SAN - LHR
2 stops28h 35mIcelandair
Deal found 16/9£463
Mon 22/915:50LHR - SAN
2 stops29h 30mAir Canada
Mon 6/1008:10SAN - LHR
1 stop17h 25mAir Canada
Deal found 15/9£464
Wed 10/1206:35LHR - SAN
1 stop17h 10mUnited Airlines
Mon 12/118:00SAN - LHR
2 stops18h 35mUnited Airlines
Deal found 15/9£464
Sat 15/1112:20LHR - SAN
2 stops30h 19mIcelandair
Sat 22/1121:15SAN - LHR
2 stops25h 40mIcelandair
Deal found 15/9£465
Wed 24/906:30LHR - SAN
2 stops16h 55mDelta
Thu 2/1019:46SAN - LHR
1 stop13h 29mDelta
Deal found 15/9£466
Thu 2/1008:30LHR - SAN
2 stops19h 05mAir Canada
Sun 5/1008:10SAN - LHR
2 stops19h 40mAir Canada
Deal found 14/9£467
Wed 1/1014:05LHR - SAN
2 stops29h 26mMultiple Airlines
Wed 8/1011:08SAN - LHR
2 stops16h 42mMultiple Airlines
Deal found 14/9£467
Tue 9/1206:30LHR - SAN
2 stops25h 45mUnited Airlines
Mon 12/118:00SAN - LHR
2 stops19h 20mUnited Airlines
Deal found 15/9£469
Wed 29/1009:50LCY - SAN
2 stops17h 58mLufthansa
Wed 5/1116:01SAN - LCY
2 stops16h 39mLufthansa
Deal found 14/9£475
Mon 3/1114:00LGW - SAN
1 stop38h 07mMultiple Airlines
Mon 17/1121:59SAN - LGW
1 stop24h 01mMultiple Airlines
Deal found 13/9£476
Mon 3/1109:15LCY - SAN
2 stops19h 33mSWISS
Mon 17/1113:10SAN - LCY
2 stops19h 55mSWISS
Deal found 15/9£485

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 September 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

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Tue 21/10

06:55-15:25

1 stop16h 30m

San Diego

Fri 7/11

12:07-10:15

1 stop14h 08m

£472

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 20/10

07:25-15:25

1 stop16h 00m

San Diego

Wed 12/11

12:07-10:15

1 stop14h 08m

£472

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Tue 14/10

06:30-15:51

2 stops17h 21m

San Diego

Tue 21/10

16:05-12:20

1 stop12h 15m

£475

LondonSan Diego

LCY - SAN

LCYSAN

London City

Wed 29/10

09:50-20:48

2 stops17h 58m

San Diego

Wed 5/11

16:01-16:40

2 stops16h 39m

£475

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Mon 3/11

14:00-20:07

1 stop38h 07m

San Diego

Mon 17/11

21:59-06:00

1 stop24h 01m

£476

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

Mon 26/1

14:00-19:50

1 stop37h 50m

San Diego

Sun 8/2

22:00-10:00

1 stop28h 00m

£478

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 3/11

10:05-18:05

1 stop16h 00m

San Diego

Mon 17/11

10:47-08:35

1 stop13h 48m

£479

LondonSan Diego

LCY - SAN

LCYSAN

London City

Mon 3/11

09:15-20:48

2 stops19h 33m

San Diego

Mon 17/11

13:10-17:05

2 stops19h 55m

£485

LondonSan Diego

LCY - SAN

LCYSAN

London City

Mon 17/11

19:10-20:48

2 stops33h 38m

San Diego

Mon 24/11

16:01-17:05

2 stops17h 04m

£486

LondonSan Diego

LCY - SAN

LCYSAN

London City

Wed 29/10

09:50-23:44

3 stops20h 54m

San Diego

Wed 5/11

16:01-16:40

2 stops16h 39m

£494

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 60 results
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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, January is the cheapest month in which you can book a flight from United Kingdom to San Diego (average of £585). Flying from United Kingdom to San Diego in July is currently the most expensive (average of £920). 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 September 2025.

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 September 2025.

The most flights from GB0 to SAN are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

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 September 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.

Overall

7.6

Food

6.7

Comfort

7.5

Boarding

7.6

Entertainment

6.9

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Food

6.7

Comfort

7.5

Boarding

7.6

Entertainment

6.9

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Food

6.7

Comfort

7.5

Boarding

7.6

Entertainment

6.9

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Food

6.7

Comfort

7.5

Boarding

7.6

Entertainment

6.9

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Food

6.7

Comfort

7.5

Boarding

7.6

Entertainment

6.9

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Food

6.7

Comfort

7.5

Boarding

7.6

Entertainment

6.9

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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?

    United Airlines, Lufthansa, and Finnair can get you from United Kingdom to San Diego in just under 16h. Your travel time can differ by up to 30m. 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 British Airways (£396), Virgin Atlantic (£405), and Delta (£411).

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

  • 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 (73%), Alaska Airlines (73%) and British Airways (73%).

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

    On average you can expect to pay £2,053 for a flight from United Kingdom to San Diego. The cheapest flight overall is £466 while the most popular route, (London Heathrow - San Diego) is currently priced at £425.

  • 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, January is the cheapest month in which you can book a flight from United Kingdom to San Diego (average of £585). Flying from United Kingdom to San Diego in July is currently the most expensive (average of £920). 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.

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 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£367Average£510FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£382Average£484FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£393Average£567FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£395Average£637FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£398Average£634FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£410Average£568FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£417Average£613FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£420Average£606FlexibilityNo cancel feeOn-time75%
Search KLM flights
American AirlinesCheapest£434Average£611FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest£473Average£614FlexibilityNo cancel feeOn-time77%
Search Iberia 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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