San Diego

$372+ Cheap flights from London (LON) 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SAN
Dec 14 — Dec 211
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Find cheap flights from London to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from London to San Diego are usually found in February or March, booked 45 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from London to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$659
(Netflights)

One-way from

$372
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$732

Good round-trip deal

$1,055 or less

Good one-way deal

$582 or less
Provider with most accurate pricing for London (LON)-San Diego flight deals.
Provider most trusted by Cheapflights users for London (LON)-San Diego flights.
From London (LON) to San Diego
One-way flight from London (LON) to San Diego
Highest demand for flights based on searches. 3% potential increase in price ($29 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from London (LON) to San Diego.
Price to beat on a one-way flight from London (LON) to San Diego.

Find flight deals from London to San Diego

Cheapest flights from London to San Diego
Explore the most affordable flight options available from London to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 14, 2025.

This Travcart deal was found by Cheapflights users on 11/12. 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 Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:55 amLHR - SAN
1 stop17h 23mVirgin Atlantic
Wed 12/172:19 pmSAN - LHR
1 stop13h 21mVirgin Atlantic
Deal found 11/12$693
This TravelUp deal was found by Cheapflights users on 11/11. 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.
Mon 12/158:20 amLHR - SAN
1 stop15h 28mBritish Airways
Thu 1/226:00 pmSAN - LHR
Nonstop10h 35mBritish Airways
Deal found 11/11$712
This Expedia deal was found by Cheapflights users on 11/12. 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.
Wed 12/106:30 amLHR - SAN
2 stops16h 53mMultiple Airlines
Wed 12/172:19 pmSAN - LHR
1 stop13h 21mMultiple Airlines
Deal found 11/12$721
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:45 amLHR - SAN
1 stop15h 00mLufthansa
Tue 12/25:35 pmSAN - LHR
1 stop15h 30mLufthansa
Deal found 11/11$728
This Norse deal was found by Cheapflights users on 11/13. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:00 pmLGW - SAN
1 stop27h 48mMultiple Airlines
Thu 12/1110:13 pmSAN - LGW
1 stop27h 47mMultiple Airlines
Deal found 11/13$729
This Trip.com deal was found by Cheapflights users on 11/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:00 pmLHR - SAN
1 stop35h 40mVirgin Atlantic
Wed 1/2111:43 amSAN - LHR
1 stop13h 02mVirgin Atlantic
Deal found 11/11$730
This TravelUp deal was found by Cheapflights users on 11/11. 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.
Mon 12/1510:00 amLHR - SAN
1 stop19h 51mLufthansa
Thu 1/229:55 amSAN - LHR
1 stop18h 05mLufthansa
Deal found 11/11$732
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:45 amLHR - SAN
1 stop15h 00mLufthansa
Thu 12/45:35 pmSAN - LHR
1 stop15h 30mLufthansa
Deal found 11/11$734
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/28:05 pmLHR - SAN
2 stops32h 43mMultiple Airlines
Mon 12/87:00 amSAN - LHR
1 stop14h 55mMultiple Airlines
Deal found 11/11$739
This Gotogate deal was found by Cheapflights users on 11/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:00 amLHR - SAN
2 stops34h 53mAir Canada
Sun 12/1412:40 pmSAN - LHR
1 stop33h 50mAir Canada
Deal found 11/13$741
This oojo deal was found by Cheapflights users on 11/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/910:05 amLHR - SAN
1 stop18h 11mBritish Airways
Tue 12/2312:39 pmSAN - LHR
1 stop13h 21mBritish Airways
Deal found 11/11$743
This SWISS deal was found by Cheapflights users on 11/11. 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.
Tue 12/169:15 amLCY - SAN
2 stops21h 15mSWISS
Thu 1/2210:52 amSAN - LCY
2 stops18h 03mSWISS
Deal found 11/11$750

Cheapflights Fare Finder

 
Customize your flight search to find flights from London 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 November 14, 2025.
Use the filters below to find and compare flights from London to San Diego that are best for you.

Fly from

London

Fly to

San Diego

Route

Depart

Return

Price

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 5/4

7:25 am-3:25 pm

1 stop16h 00m

San Diego

Mon 5/11

10:45 am-12:20 pm

2 stops17h 35m

$694

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 4/13

9:30 am-9:11 pm

2 stops19h 41m

San Diego

Wed 4/29

1:48 pm-2:10 pm

1 stop16h 22m

$703

LondonSan Diego

LCY - SAN

LCYSAN

London City

Wed 1/14

9:50 am-11:42 pm

3 stops21h 52m

San Diego

Thu 1/22

7:00 am-12:55 pm

2 stops21h 55m

$711

LondonSan Diego

LCY - SAN

LCYSAN

London City

Wed 1/21

9:50 am-12:15 am

2 stops22h 25m

San Diego

Wed 2/4

8:10 am-12:55 pm

2 stops20h 45m

$712

LondonSan Diego

LCY - SAN

LCYSAN

London City

Mon 5/4

9:15 am-6:37 pm

2 stops17h 22m

San Diego

Mon 5/11

7:00 am-12:30 pm

2 stops21h 30m

$726

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Mon 2/16

1:30 pm-12:29 am

2 stops18h 59m

San Diego

Fri 2/27

10:30 am-11:05 am

2 stops16h 35m

$726

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Sat 1/31

4:40 pm-3:45 pm

1 stop31h 05m

San Diego

Mon 2/9

1:00 pm-9:40 am

1 stop12h 40m

$730

LondonSan Diego

LCY - SAN

LCYSAN

London City

Mon 2/2

9:15 am-10:33 pm

2 stops21h 18m

San Diego

Wed 2/11

10:52 am-12:55 pm

2 stops18h 03m

$735

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Thu 4/16

7:25 am-3:25 pm

1 stop16h 00m

San Diego

Thu 4/23

6:20 am-7:25 am

2 stops17h 05m

$735

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Thu 4/16

7:25 am-3:25 pm

1 stop16h 00m

San Diego

Thu 4/30

10:45 am-12:20 pm

2 stops17h 35m

$735

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 60 results
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Compare providers for flights from London to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to San Diego in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London-San Diego flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London-San Diego flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from London-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-San Diego flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from London to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from London 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 London to San Diego

How far ahead should I book a flight from London to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from London to San Diego. Price data was last updated on November 7, 2025.

The best time to book flights from London to San Diego is 45 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 London to San Diego?

Currently, December is the cheapest month in which you can book a flight from London to San Diego (average of $455). Flying from London to San Diego in August is currently the most expensive (average of $555). 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 LON to SAN?

Find hourly flight availability from London 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 November 14, 2025.

One of the essential ways to save on airfare from London to San Diego is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 35% on airfare.

How much does it cost to fly round-trip from London to San Diego?

The best insider tips for London to San Diego flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your London to San Diego trip
Airports
LHR

Heathrow's strict security means long waits. Ensure all liquids are in a small bag to avoid delays during manual screening.

SAN

For a quick city transfer, use the free San Diego Flyer shuttle to reach downtown from SAN.

Our travel experts
Blane Bachelor

Blane Bachelor

Expert on SAN

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 November 14, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from London to San Diego. 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.

Food

7.3

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

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

Food

7.3

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

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

Food

7.3

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

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

Food

7.3

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

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

Food

7.3

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

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

Food

7.3

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

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 London 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 London?

    San Diego (SAN), located 2.6 mi from the city center, is the airport you fly into when you book flights from London to San Diego. 4 airlines have flights to San Diego from London on a regular basis. Booking flights from London to San Diego should not be difficult; the airport handles an average of 5 inbound flights from London per day.

  • How long is the flight from London to San Diego?

    For as low as $694, United Airlines can have you in San Diego from London in 16h. The distance between London and San Diego is about 5469 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from London to San Diego round-trip?

    Our cheapest airline available from London to San Diego is United Airlines. Our recent data shows that you can find tickets from as low as $533 on this airline. Additional options worth looking into are British Airways and Iberia, starting at $589 and $599 round-trip. United Airlines is priced at 32% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is SWISS, with whom users have recently found tickets for as low as $460. However, be on the lookout for offers from Virgin Atlantic and Lufthansa, as they are both options that can get you from London to San Diego for a low price.

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

  • What are the most reliable airlines from London to San Diego?

    No one likes to see their flight delayed. When booking a flight from London to San Diego consider choosing American Airlines (68%), Alaska Airlines (68%) or British Airways (68%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London to San Diego?

    While on average a flight from London to San Diego is generally $870, our data shows the cheapest flight currently is $501. When looking at the most popular route, (London Heathrow - San Diego), you can expect to pay $649 for that flight.

  • Can I find deals for flights from London to San Diego that include hotel bookings?

    Yes. In addition to deals on London to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to San Diego.

  • Can I find deals for business class flights from London to San Diego?

    Yes. Cheapflights offers flight deals from London 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 London to San Diego?

    Currently, December is the cheapest month in which you can book a flight from London to San Diego (average of $455). Flying from London to San Diego in August is currently the most expensive (average of $555). 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 San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
National City

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Top 4 airlines flying from London to San Diego

Discover the top 4 airlines that operate flights from London 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 November 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$533Average$710FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$589Average$815FlexibilityNo cancel feeOn-time70%
IberiaCheapest$599Average$784FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$664Average$843FlexibilityNo cancel feeOn-time71%

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