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$393+ Cheap flights from San Diego (SAN) to London (LON)

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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LON
Apr 15 — Apr 221
Wed 4/15
Wed 4/22
1 adult, Economy
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Find cheap flights from San Diego to London 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 San Diego to London are usually found in October or February, booked 50 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from San Diego to London

Cheapest flights from San Diego to London
Explore the most affordable flight options available from San Diego to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 16, 2026.

This eDestinos deal was found by Cheapflights users on 3/15. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:10 pm
SAN
-
LHR
1 stop14h 00m
Virgin Atlantic
Tue 9/82:30 pm
LHR
-
SAN
1 stop16h 25m
Virgin Atlantic
Deal found 3/15$716
This eDestinos deal was found by Cheapflights users on 3/15. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:40 pm
SAN
-
LHR
Nonstop10h 40m
British Airways
Tue 9/811:35 am
LHR
-
SAN
Nonstop11h 20m
British Airways
Deal found 3/15$719
This eDestinos deal was found by Cheapflights users on 3/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:40 pm
SAN
-
LHR
Nonstop10h 40m
British Airways
Wed 8/2611:35 am
LHR
-
SAN
Nonstop11h 20m
British Airways
Deal found 3/13$724
This Mytrip deal was found by Cheapflights users on 3/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:20 am
SAN
-
LHR
2 stops38h 10m
Multiple Airlines
Wed 8/266:55 am
LHR
-
SAN
1 stop16h 30m
Multiple Airlines
Deal found 3/13$726
This FlightHub deal was found by Cheapflights users on 3/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:05 am
SAN
-
LHR
2 stops22h 35m
Scandinavian Airlines
Thu 10/227:05 am
LHR
-
SAN
2 stops24h 40m
Scandinavian Airlines
Deal found 3/14$727
This FlightHub deal was found by Cheapflights users on 3/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:59 pm
SAN
-
LHR
2 stops17h 41m
Scandinavian Airlines
Tue 9/2210:20 am
LHR
-
SAN
2 stops20h 35m
Scandinavian Airlines
Deal found 3/13$728
This The Travel House deal was found by Cheapflights users on 3/14. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:00 am
SAN
-
LHR
2 stops46h 00m
Scandinavian Airlines
Wed 8/265:30 pm
LHR
-
SAN
2 stops35h 18m
Scandinavian Airlines
Deal found 3/14$732
This eDestinos deal was found by Cheapflights users on 3/11. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:45 pm
SAN
-
LHR
1 stop14h 25m
Virgin Atlantic
Wed 4/810:55 am
LHR
-
SAN
1 stop15h 40m
Virgin Atlantic
Deal found 3/11$733
This eDestinos deal was found by Cheapflights users on 3/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:40 am
SAN
-
LHR
1 stop14h 05m
Virgin Atlantic
Sat 11/76:30 am
LHR
-
SAN
1 stop13h 35m
Virgin Atlantic
Deal found 3/13$735
This Scandinavian Airlines deal was found by Cheapflights users on 3/13. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:05 am
SAN
-
LHR
2 stops22h 35m
Scandinavian Airlines
Wed 9/306:40 am
LHR
-
SAN
2 stops25h 03m
Scandinavian Airlines
Deal found 3/13$736
This Scandinavian Airlines deal was found by Cheapflights users on 3/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:05 am
SAN
-
LHR
2 stops20h 55m
Scandinavian Airlines
Tue 10/136:40 am
LHR
-
SAN
2 stops24h 15m
Scandinavian Airlines
Deal found 3/12$737
This Scandinavian Airlines deal was found by Cheapflights users on 3/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:05 am
SAN
-
LHR
3 stops21h 20m
Scandinavian Airlines
Fri 10/237:05 am
LHR
-
SAN
2 stops24h 40m
Scandinavian Airlines
Deal found 3/14$740

Find flight deals from San Diego to London

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to London (LON). 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 March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$716
(eDestinos)

One-way from

$393
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$760

Good round-trip deal

$774 or less

Good one-way deal

$421 or less
Provider with most accurate pricing for San Diego-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-London (LON) flights.
Search Deals
From San Diego to London (LON)
Search Deals
One-way flight from San Diego to London (LON)
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($284 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from San Diego to London (LON).
Search Deals
Price to beat on a one-way flight from San Diego to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to London 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 March 16, 2026.
Use the filters below to find and compare flights from San Diego to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 4/26

10:05 am-6:30 pm

2 stops24h 25m

London Heathrow

Tue 5/12

7:05 am-11:15 pm

3 stops24h 10m

$769

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 4/22

1:20 pm-11:10 am

1 stop13h 50m

London Heathrow

Tue 4/28

7:25 am-3:25 pm

1 stop16h 00m

$794

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Fri 5/1

1:03 pm-12:15 pm

1 stop15h 12m

London Heathrow

Fri 5/15

8:55 am-6:05 pm

1 stop17h 10m

$832

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Fri 4/24

12:45 pm-1:20 pm

1 stop16h 35m

London Heathrow

Tue 5/5

6:55 am-3:25 pm

1 stop16h 30m

$839

San DiegoLondon

SAN - LCY

SANLCY

San Diego

Thu 4/23

1:40 pm-4:40 pm

1 stop19h 00m

London City

Thu 4/30

8:25 am-6:59 pm

2 stops18h 34m

$884

San DiegoLondon

SAN - LCY

SANLCY

San Diego

Mon 8/17

7:00 am-9:30 am

2 stops18h 30m

London City

Wed 8/26

5:50 pm-11:50 am

1 stop26h 00m

$884

San DiegoLondon

SAN - LCY

SANLCY

San Diego

Mon 5/4

11:58 am-4:40 pm

2 stops20h 42m

London City

Tue 5/19

10:00 am-11:41 pm

2 stops21h 41m

$894

San DiegoLondon

SAN - LGW

SANLGW

San Diego

Tue 9/1

1:21 pm-6:20 am

1 stop32h 59m

London Gatwick

Thu 9/10

1:05 pm-2:24 pm

1 stop33h 19m

$899

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Fri 4/24

6:15 am-10:00 am

1 stop19h 45m

London Heathrow

Sun 5/10

6:30 am-2:57 pm

2 stops16h 27m

$904

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 4/26

7:40 pm-2:20 pm

Nonstop10h 40m

London Heathrow

Tue 5/12

2:30 pm-5:50 pm

Nonstop11h 20m

$921

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 60 resultsSorted by cheapest first
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Compare providers for flights from San Diego to London

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 San Diego to London in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 San Diego-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-London flights, Cheapflights users trust FlightHub the most. FlightHub 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 San Diego-London 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 San Diego to London

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Diego to London. Price data was last updated on March 13, 2026.

The price you pay for your flight from San Diego to London may vary depending on when you book. For the best chance of a lower fare, look to book 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Diego to London?

Currently, December is the cheapest month in which you can book a flight from San Diego to London (average of $469). Flying from San Diego to London in June is currently the most expensive (average of $936). 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 SAN to LON?

Find hourly flight availability from San Diego to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 16, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to London as you normally would.

Weekly flight availability from San Diego to London

Explore weekly flight availability from San Diego to London. 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 March 16, 2026.

The most flights from SAN to LON are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

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

The best insider tips for San Diego to London flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Diego to London trip
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on SAN

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

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 London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated March 16, 2026.
Peruse reviews from past customers who have flown with Delta,Virgin Atlantic, andAmerican Airlines from San Diego to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,296 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
7.9
Good
8,296 reviews
Delta
7.9
Good
8,296 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.5
Good
680 reviews
Delta
7.9
Good
8,296 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.1
Good
11,467 reviews
Delta
7.9
Good
8,296 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Iberia
7.0
Good
3,136 reviews
Delta
7.9
Good
8,296 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.7
Okay
7,794 reviews
Delta
7.9
Good
8,296 reviews

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Diego to London. 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 from for flights from San Diego to London?

    For a flight from San Diego to London, you will be flying from San Diego. San Diego (SAN) is just 2.6 mi from the center of the city. San Diego is the only San Diego airport and it handles 6 outbound flights to London per day. 9 airlines have flights to London from San Diego on a regular basis.

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

    There are many flights that can get you from San Diego to London in 13h 50m. Fly via Scandinavian Airlines, United Airlines, or Finnair to get the fastest option. Airlines will cover a distance of 5469 mi. This flight may include one or multiple stops.

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

    According to our current data, JetBlue ($181), Delta ($552), and Iberia ($560) offers the cheapest pricing from San Diego to London. JetBlue is 78% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from San Diego to London are JetBlue ($179), WestJet ($361), and British Airways ($376).

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

    When deciding which route to take from San Diego to London consider San Diego - London Heathrow, San Diego - London Gatwick or San Diego - London City as they are the most popular.

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

    Consider American Airlines (78%), Alaska Airlines (78%) or Aer Lingus (78%) when booking your flight. These represent the most reliable airlines when flying from San Diego to London.

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

    Looking at all options, your cheapest flight can be booked for $271. While the most popular route (San Diego - London Heathrow) can be booked for $655 on average, our data indicates $2,448 when flying from San Diego to London.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from San Diego to London (average of $469). Flying from San Diego to London in June is currently the most expensive (average of $936). 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 London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton
Slough

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 9 airlines flying from San Diego to London

Discover the top 9 airlines that operate flights from San Diego to London. 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 March 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$181Average$1,178FlexibilityNo cancel feeOn-time62%
DeltaCheapest$552Average$944FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$560Average$884FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$567Average$855FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$574Average$814FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$578Average$706FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$603Average$942FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$620Average$685FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$621Average$847FlexibilityNo cancel feeOn-time76%

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