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Cheap flights from the United Kingdom to San Diego from £286

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAN
1 May — 8 May1
1 adult

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 26 April 2025.

Round-trip from

£480

One-way from

£286

Popular in

July

Cheapest in

March

Average price

£606

Good round-trip deal

£562 or less

Good one-way deal

£583 or less
Austrian Airlines
  • Austrian Airlines
  • 9/5-14/5
  • 4 total stops
  • 68h 36m total
  • United Kingdom to San Diego
Search Deals
WestJet
  • WestJet
  • 19/5
  • 1 total stop
  • 33h 15m total
  • United Kingdom to San Diego
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£98 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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.
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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 26 April 2025.

Fri 9/519:30LHR - SAN
2 stops30h 21mAustrian Airlines
Wed 14/510:30SAN - LHR
2 stops38h 15mAustrian Airlines
Deal found 25/4£480
Sat 10/507:25LHR - SAN
1 stop16h 00mLufthansa
Wed 14/510:30SAN - LHR
1 stop16h 40mLufthansa
Deal found 26/4£483
Thu 8/509:30LHR - SAN
1 stop18h 15mUnited Airlines
Thu 15/510:00SAN - LHR
2 stops17h 10mUnited Airlines
Deal found 24/4£485
Thu 8/510:55LHR - SAN
1 stop13h 30mVirgin Atlantic
Fri 23/513:55SAN - LHR
1 stop13h 25mVirgin Atlantic
Deal found 25/4£486
Thu 15/515:50LHR - SAN
2 stops32h 44mAir Canada
Sun 18/506:15SAN - LHR
2 stops21h 35mAir Canada
Deal found 25/4£487
Thu 8/514:55LHR - SAN
Nonstop11h 05mBritish Airways
Fri 23/510:19SAN - LHR
1 stop13h 01mBritish Airways
Deal found 25/4£493
Wed 24/914:05LHR - SAN
2 stops29h 47mMultiple Airlines
Wed 1/1010:38SAN - LHR
2 stops17h 12mMultiple Airlines
Deal found 26/4£494
Thu 8/511:45LHR - SAN
2 stops16h 52mDelta
Fri 23/513:15SAN - LHR
1 stop15h 20mDelta
Deal found 25/4£500
Wed 7/508:45LCY - SAN
2 stops20h 10mLufthansa
Mon 12/516:00SAN - LCY
2 stops18h 35mLufthansa
Deal found 26/4£505
Mon 12/506:00LHR - SAN
2 stops22h 24mSWISS
Wed 28/516:10SAN - LHR
2 stops40h 15mSWISS
Deal found 25/4£506
Thu 8/511:30LHR - SAN
Nonstop11h 20mAmerican Airlines
Fri 23/519:50SAN - LHR
Nonstop10h 30mAmerican Airlines
Deal found 25/4£509
Thu 16/1012:10LGW - SAN
1 stop29h 07mIcelandair
Fri 24/1010:40SAN - LGW
1 stop14h 55mIcelandair
Deal found 26/4£510

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 26 April 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

Fri 9/5

19:30-17:51

2 stops30h 21m

San Diego

Wed 14/5

10:30-08:45

2 stops38h 15m

£480

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Sat 10/5

07:25-15:25

1 stop16h 00m

San Diego

Wed 14/5

10:30-11:10

1 stop16h 40m

£483

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Thu 8/5

09:30-19:45

1 stop18h 15m

San Diego

Thu 15/5

10:00-11:10

2 stops17h 10m

£485

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Thu 8/5

10:55-16:25

1 stop13h 30m

San Diego

Fri 23/5

13:55-11:20

1 stop13h 25m

£486

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Thu 15/5

15:50-16:34

2 stops32h 44m

San Diego

Sun 18/5

06:15-11:50

2 stops21h 35m

£487

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 15/9

08:20-15:43

1 stop15h 23m

San Diego

Tue 30/9

16:40-11:25

Nonstop10h 45m

£491

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 15/9

15:50-11:52

2 stops28h 02m

San Diego

Tue 30/9

10:38-11:50

2 stops17h 12m

£499

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Thu 8/5

11:45-20:37

2 stops16h 52m

San Diego

Fri 23/5

13:15-12:35

1 stop15h 20m

£500

LondonSan Diego

LCY - SAN

LCYSAN

London City

Wed 7/5

08:45-20:55

2 stops20h 10m

San Diego

Mon 12/5

16:00-18:35

2 stops18h 35m

£505

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 12/5

06:00-20:24

2 stops22h 24m

San Diego

Wed 28/5

16:10-16:25

2 stops40h 15m

£506

Flights are sorted by cheapest return flights first.

Deals found on 25/4

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 26 April 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 26 April 2025.

The most flights from GB0 to SAN are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

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.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

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).

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 26 April 2025.
Read through reviews of airlines operating flights from United Kingdom to San Diego, such as Delta, KLM and Finnair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,920 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,272 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,586 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 WestJet (£286), Aer Lingus (£457), and Lufthansa (£473).

  • 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 (85%), Alaska Airlines (85%) and British Airways (85%).

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

    On average you can expect to pay £1,717 for a flight from United Kingdom to San Diego. The cheapest flight overall is £489 while the most popular route, (London Heathrow - San Diego) is currently priced at £453.

  • 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 the United Kingdom?

Book flights to the United Kingdom if you plan to visit one of these locations
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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 26 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£375Average£522FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£390Average£519FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£399Average£600FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£404Average£661FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£412Average£610FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£414Average£618FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£421Average£583FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£428Average£608FlexibilityNo cancel feeOn-time75%
Search KLM flights
American AirlinesCheapest£443Average£495FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest£475Average£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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