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Cheap flights from the United Kingdom to San Diego from £332

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAN
3 Jun — 10 Jun1
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 4 May 2026.

Sat 12/908:15
LHR
-
SAN
1 stop19h 46m
JetBlue
Sat 26/921:30
SAN
-
LHR
1 stop15h 15m
JetBlue
Deal found 30/4£599
Thu 4/610:35
LHR
-
SAN
1 stop16h 04m
United Airlines
Sat 13/610:10
SAN
-
LHR
1 stop17h 25m
United Airlines
Deal found 3/5£600
Wed 18/1106:35
LHR
-
SAN
1 stop17h 10m
Multiple Airlines
Wed 2/1208:35
SAN
-
LHR
2 stops24h 30m
Multiple Airlines
Deal found 29/4£605
Mon 21/908:15
LHR
-
SAN
1 stop19h 46m
JetBlue
Sat 26/921:30
SAN
-
LHR
1 stop15h 15m
JetBlue
Deal found 2/5£606
Tue 1/907:25
LHR
-
SAN
1 stop16h 00m
Lufthansa
Sat 12/912:33
SAN
-
LHR
1 stop13h 07m
Lufthansa
Deal found 3/5£610
Tue 8/911:35
LHR
-
SAN
Nonstop11h 20m
British Airways
Wed 16/919:40
SAN
-
LHR
Nonstop10h 40m
British Airways
Deal found 3/5£613
Tue 8/907:25
LHR
-
SAN
1 stop16h 00m
Lufthansa
Mon 21/916:06
SAN
-
LHR
1 stop14h 04m
Lufthansa
Deal found 30/4£613
Fri 8/511:35
LHR
-
SAN
Nonstop11h 20m
British Airways
Thu 14/516:45
SAN
-
LHR
Nonstop10h 45m
British Airways
Deal found 30/4£615
Wed 9/907:25
LHR
-
SAN
1 stop16h 00m
United Airlines
Wed 4/1113:28
SAN
-
LHR
1 stop13h 47m
United Airlines
Deal found 1/5£616
Tue 8/907:25
LHR
-
SAN
1 stop16h 00m
Lufthansa
Mon 14/916:06
SAN
-
LHR
1 stop14h 04m
Lufthansa
Deal found 3/5£617
Tue 8/907:25
LHR
-
SAN
2 stops19h 10m
United Airlines
Wed 16/906:20
SAN
-
LHR
2 stops15h 35m
United Airlines
Deal found 30/4£618
Tue 8/909:30
LHR
-
SAN
2 stops18h 25m
United Airlines
Tue 22/914:24
SAN
-
LHR
2 stops15h 46m
United Airlines
Deal found 30/4£618

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 4 May 2026.

Round-trip from

£600

One-way from

£332

Popular in

December

Cheapest in

January

Average price

£551

Good round-trip deal

£701 or less

Good one-way deal

£595 or less
United Airlines
  • United Airlines
  • 4/6-13/6
  • 2 total stops
  • 33h 29m total
  • United Kingdom to San Diego
Search Deals
7/6
  • 7/6
  • 3 total stops
  • 54h 40m 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 (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 4 May 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

GlasgowSan Diego

GLA - SAN

GLASAN

Glasgow Intl

Wed 9/9

06:00-16:08

2 stops18h 08m

San Diego

Tue 15/9

13:40-08:25

1 stop34h 45m

£670

EdinburghSan Diego

EDI - SAN

EDISAN

Edinburgh Turnhouse

Wed 23/9

11:30-18:30

1 stop15h 00m

San Diego

Sun 4/10

22:30-08:25

1 stop25h 55m

£680

EdinburghSan Diego

EDI - SAN

EDISAN

Edinburgh Turnhouse

Thu 2/7

11:30-19:30

1 stop16h 00m

San Diego

Sat 11/7

11:51-09:20

1 stop13h 29m

£683

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Tue 9/6

07:25-15:25

1 stop16h 00m

San Diego

Tue 16/6

06:35-07:15

2 stops16h 40m

£693

BirminghamSan Diego

BHX - SAN

BHXSAN

Birmingham

Thu 17/9

06:05-17:26

2 stops19h 21m

San Diego

Thu 1/10

14:24-17:15

2 stops18h 51m

£694

ManchesterSan Diego

MAN - SAN

MANSAN

Manchester

Tue 22/9

06:05-20:45

3 stops22h 40m

San Diego

Thu 8/10

14:24-17:20

2 stops18h 56m

£697

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Wed 3/6

07:25-18:39

2 stops19h 14m

San Diego

Wed 10/6

21:45-21:20

2 stops15h 35m

£702

EdinburghSan Diego

EDI - SAN

EDISAN

Edinburgh Turnhouse

Sat 12/9

19:10-22:48

2 stops35h 38m

San Diego

Sat 19/9

07:00-18:25

2 stops27h 25m

£704

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Sat 5/9

12:15-22:36

1 stop18h 21m

San Diego

Wed 23/9

19:40-14:20

Nonstop10h 40m

£714

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 1/6

07:05-20:35

2 stops21h 30m

San Diego

Sun 7/6

11:05-21:40

2 stops26h 35m

£715

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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.

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 £339). Flying from United Kingdom to San Diego in July is currently the most expensive (average of £2,057). 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 4 May 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 4 May 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 16% 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 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 4 May 2026.
Read through reviews of airlines operating flights from the United Kingdom to San Diego, such as United Airlines,Virgin Atlantic, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,682 reviews
Check prices

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,682 reviews
United Airlines
7.4
Good
9,682 reviews
Check prices

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Virgin Atlantic
7.4
Good
688 reviews
United Airlines
7.4
Good
9,682 reviews
Check prices

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.1
Good
11,674 reviews
United Airlines
7.4
Good
9,682 reviews
Check prices

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Lufthansa
6.8
Okay
7,970 reviews
United Airlines
7.4
Good
9,682 reviews
Check prices

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
British Airways
6.7
Okay
7,943 reviews
United Airlines
7.4
Good
9,682 reviews
Check prices

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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, JetBlue, and Lufthansa can get you from United Kingdom to San Diego in just under 15h. Your travel time can differ by up to 4h 21m. There are 5183 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 (£301), JetBlue (£306), and British Airways (£316).

  • 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 Aer Lingus (80%), Finnair (80%) and Iberia (80%).

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

    On average you can expect to pay £927 for a flight from United Kingdom to San Diego. The cheapest flight overall is £560 while the most popular route, (London Heathrow - San Diego) is currently priced at £527.

  • 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 £339). Flying from United Kingdom to San Diego in July is currently the most expensive (average of £2,057). 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 4 May 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£393Average£676FlexibilityNo cancel feeOn-time76%
Search Finnair flights
JetBlueCheapest£418Average£742FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£422Average£610FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£434Average£672FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£448Average£662FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£449Average£691FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£469Average£655FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£470Average£570FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapest£481Average£647FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£531Average£762FlexibilityNo cancel feeOn-timeN/A
Search Delta 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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