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$343+ Cheap flights from the United Kingdom to San Diego (SAN)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAN
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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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 abril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$639
(lol.travel)

One-way from

$343
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$806

Good round-trip deal

$696 or less

Good one-way deal

$762 or less
Provider with most accurate pricing for London (LON)-San Diego flight deals.
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Provider most trusted by Cheapflights users for London (LON)-San Diego flights.
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From United Kingdom to San Diego
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One-way flight from United Kingdom to San Diego
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Highest demand for flights based on searches. 18% potential increase in price ($172 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from United Kingdom to San Diego.
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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 abril 17, 2025.

This Netflights deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/1511:30 amLHR - SAN
Nonstop11h 20mBritish Airways
mar. 9/304:43 pmSAN - LHR
1 stop13h 42mBritish Airways
Deal found 4/17$637
This lol.travel deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/88:40 amLHR - SAN
2 stops19h 05mAir Canada
sáb. 5/248:00 amSAN - LHR
2 stops19h 50mAir Canada
Deal found 4/17$639
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/309:30 amLHR - SAN
1 stop18h 20mUnited Airlines
dom. 5/48:00 amSAN - LHR
1 stop18h 00mUnited Airlines
Deal found 4/17$641
This SWISS deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/259:15 amLCY - SAN
2 stops20h 32mSWISS
mar. 12/24:04 pmSAN - LCY
2 stops18h 31mSWISS
Deal found 4/17$646
This TravelJunction deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelJunction is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/238:25 pmLHR - SAN
1 stop27h 00mMultiple Airlines
dom. 7/68:10 amSAN - LHR
1 stop17h 50mMultiple Airlines
Deal found 4/17$653
This World Air Fares deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/11:35 pmLHR - SAN
2 stops16h 02mFinnair
vie. 5/92:27 pmSAN - LHR
1 stop14h 18mFinnair
Deal found 4/17$659
This Mytrip deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/1410:55 amLGW - SAN
2 stops21h 01mMultiple Airlines
mié. 5/216:15 amSAN - LGW
2 stops20h 40mMultiple Airlines
Deal found 4/16$661
This Lufthansa deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/87:25 amLHR - SAN
1 stop16h 00mLufthansa
sáb. 5/2411:34 amSAN - LHR
1 stop14h 06mLufthansa
Deal found 4/17$664
This TravelUp deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/296:15 amLHR - SAN
2 stops21h 49mVirgin Atlantic
jue. 11/207:00 amSAN - LHR
1 stop17h 20mVirgin Atlantic
Deal found 4/17$674
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/111:30 amLHR - SAN
Nonstop11h 20mAmerican Airlines
mié. 5/74:40 pmSAN - LHR
Nonstop10h 45mAmerican Airlines
Deal found 4/17$675
This Expedia deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/87:00 amGLA - SAN
1 stop19h 00mBritish Airways
jue. 5/154:40 pmSAN - GLA
1 stop15h 25mBritish Airways
Deal found 4/17$686
This TravelUp deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/16:30 amLHR - SAN
1 stop13h 35mKLM
sáb. 11/2211:05 amSAN - LHR
1 stop15h 55mKLM
Deal found 4/17$687

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated abril 17, 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

jue. 5/8

8:40 am-7:45 pm

2 stops19h 05m

San Diego

sáb. 5/24

8:00 am-11:50 am

2 stops19h 50m

$639

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

mié. 4/30

9:30 am-7:50 pm

1 stop18h 20m

San Diego

dom. 5/4

8:00 am-10:00 am

1 stop18h 00m

$641

LondonSan Diego

LCY - SAN

LCYSAN

London City

mié. 5/7

9:25 am-10:14 pm

2 stops20h 49m

San Diego

lun. 5/12

4:00 pm-5:15 pm

2 stops17h 15m

$650

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

lun. 6/23

8:25 pm-3:25 pm

1 stop27h 00m

San Diego

dom. 7/6

8:10 am-10:00 am

1 stop17h 50m

$653

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

mié. 5/7

2:55 pm-6:00 pm

Nonstop11h 05m

San Diego

dom. 5/11

3:10 pm-12:45 pm

1 stop13h 35m

$654

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

jue. 5/1

1:35 pm-9:37 pm

2 stops16h 02m

San Diego

vie. 5/9

2:27 pm-12:45 pm

1 stop14h 18m

$659

LondonSan Diego

LGW - SAN

LGWSAN

London Gatwick

mié. 5/14

10:55 am-11:56 pm

2 stops21h 01m

San Diego

mié. 5/21

6:15 am-10:55 am

2 stops20h 40m

$661

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

jue. 5/8

7:25 am-3:25 pm

1 stop16h 00m

San Diego

sáb. 5/24

11:34 am-9:40 am

1 stop14h 06m

$664

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

mar. 4/29

6:15 am-8:04 pm

2 stops21h 49m

San Diego

jue. 11/20

7:00 am-8:20 am

1 stop17h 20m

$674

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

jue. 5/1

11:30 am-2:50 pm

Nonstop11h 20m

San Diego

mié. 5/7

4:40 pm-11:25 am

Nonstop10h 45m

$675

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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 round-trip 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, August is the cheapest month in which you can book a flight from United Kingdom to San Diego (average of $286). Flying from United Kingdom to San Diego in March is currently the most expensive (average of $366). 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 abril 17, 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 abril 17, 2025.

The most flights from GB0 to SAN are scheduled on a Thursday (9 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 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 abril 17, 2025.
To help decide which airline to fly from United Kingdom to San Diego, see what other customers have to say about Delta, KLM and Air Transat. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
Air Transat
7.8
Good
385 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
1,269 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
775 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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?

    Located just 2.6 mi from the city center, San Diego (SAN) is the airport most travelers will use when flying to San Diego from United Kingdom.

  • What are the cheapest airlines to fly from United Kingdom to San Diego one-way?

    The cheapest airlines for a one-way flight from United Kingdom to San Diego are WestJet ($370), Finnair ($677), and Lufthansa ($689).

  • 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?

    Before booking your flight to San Diego from United Kingdom, check out the most reliable airlines to get you to your destination on time: American Airlines (85%), Alaska Airlines (85%), British Airways( 85%).

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

    Looking for the cheapest flight from United Kingdom to San Diego? While on average our users pay $1,377, our data indicates the cheapest price to be $639. The most popular route (London Heathrow - San Diego), is priced around $580.

  • 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 vacation 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, August is the cheapest month in which you can book a flight from United Kingdom to San Diego (average of $286). Flying from United Kingdom to San Diego in March is currently the most expensive (average of $366). 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

Traveling to a place near the United Kingdom?

Book flights to the United Kingdom if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado

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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 4 airlines flying from United Kingdom to San Diego

Discover the top 4 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 2,558,603 searches. Data last updated abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$523Average$637FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$553Average$814FlexibilityNo cancel feeOn-time70%
IberiaCheapest$576Average$760FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$579Average$748FlexibilityNo cancel feeOn-time71%

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