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$210+ Cheap flights from San Diego (SAN) to the United Kingdom

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LHR
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from San Diego to United Kingdom

Keep the following information in mind while searching for San Diego to United Kingdom flight deals. Data was last updated September 11, 2025.

Round-trip from

$554
(Virgin Atlantic)

One-way from

$210
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$734

Good round-trip deal

$677 or less

Good one-way deal

$450 or less
From San Diego to United Kingdom
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One-way flight from San Diego to United Kingdom
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Highest demand for flights based on searches. 26% potential increase in price ($312 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from San Diego to United Kingdom.
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Price to beat on a one-way flight from San Diego to United Kingdom.
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Find flight deals from San Diego to United Kingdom

Cheapest flights from San Diego to United Kingdom
Explore the most affordable flight options available from San Diego to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Virgin Atlantic deal was found by Cheapflights users on 9/10. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:45 amSAN - LHR
1 stop16h 05mVirgin Atlantic
Wed 10/158:55 pmLHR - SAN
1 stop23h 05mVirgin Atlantic
Deal found 9/10$554
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:35 pmSAN - LHR
1 stop14h 15mLufthansa
Wed 11/198:45 amLHR - SAN
1 stop15h 00mLufthansa
Deal found 9/10$555
This British Airways deal was found by Cheapflights users on 9/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:00 pmSAN - LHR
Nonstop10h 35mBritish Airways
Wed 12/1012:50 pmLHR - SAN
Nonstop11h 20mBritish Airways
Deal found 9/9$556
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:10 pmSAN - LHR
1 stop33h 40mAir Canada
Wed 11/262:30 pmLHR - SAN
1 stop34h 54mAir Canada
Deal found 9/10$557
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/249:59 amSAN - LHR
2 stops14h 56mDelta
Thu 10/26:30 amLHR - SAN
1 stop13h 30mDelta
Deal found 9/10$558
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:41 amSAN - LHR
1 stop12h 34mBritish Airways
Thu 11/2012:50 pmLHR - SAN
Nonstop11h 20mBritish Airways
Deal found 9/11$559
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sun 9/217:00 amSAN - LHR
1 stop18h 40mUnited Airlines
Fri 10/39:30 amLHR - SAN
1 stop18h 05mUnited Airlines
Deal found 9/9$560
This Air Canada deal was found by Cheapflights users on 9/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/218:10 amSAN - LHR
2 stops19h 40mAir Canada
Fri 10/39:30 amLHR - SAN
1 stop18h 05mAir Canada
Deal found 9/9$561
This KLM deal was found by Cheapflights users on 9/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:50 amSAN - LHR
1 stop15h 15mKLM
Thu 12/111:00 pmLHR - SAN
1 stop17h 23mKLM
Deal found 9/9$562
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:46 pmSAN - LHR
1 stop13h 29mDelta
Wed 10/153:15 pmLHR - SAN
1 stop15h 59mDelta
Deal found 9/10$563
This FlightHub deal was found by Cheapflights users on 9/10. 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 10/227:50 pmSAN - LHR
Nonstop10h 30mBritish Airways
Tue 10/2810:05 amLHR - SAN
1 stop17h 08mBritish Airways
Deal found 9/10$564
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/242:21 pmSAN - LHR
1 stop12h 49mUnited Airlines
Wed 10/11:00 pmLHR - SAN
1 stop16h 24mUnited Airlines
Deal found 9/11$565

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to United Kingdom 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 September 11, 2025.
Use the filters below to find and compare flights from San Diego to the United Kingdom that are best for you.

Fly from

San Diego

Fly to

United Kingdom

Route

Depart

Return

Price

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 10/1

9:45 am-9:50 am

1 stop16h 05m

London Heathrow

Wed 10/15

8:55 pm-12:00 pm

1 stop23h 05m

$554

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 9/21

7:00 am-9:40 am

1 stop18h 40m

London Heathrow

Fri 10/3

9:30 am-7:35 pm

1 stop18h 05m

$560

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 9/24

7:00 am-6:25 am

1 stop15h 25m

London Heathrow

Wed 10/22

8:40 am-7:08 pm

2 stops18h 28m

$564

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 10/6

5:15 pm-3:40 pm

1 stop14h 25m

London Heathrow

Wed 10/29

6:35 am-4:45 pm

1 stop17h 10m

$565

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 9/24

9:59 am-8:55 am

2 stops14h 56m

London Heathrow

Thu 10/2

9:00 am-7:06 pm

2 stops18h 06m

$567

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 1/11

5:35 pm-3:50 pm

1 stop14h 15m

London Heathrow

Wed 1/21

6:35 am-3:45 pm

1 stop17h 10m

$567

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 11/12

6:15 am-7:05 am

2 stops16h 50m

London Heathrow

Fri 11/21

6:20 am-4:05 pm

2 stops17h 45m

$567

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Thu 2/26

10:00 am-9:40 pm

2 stops27h 40m

London Heathrow

Sat 3/7

6:40 am-10:55 pm

2 stops24h 15m

$596

San DiegoLondon

SAN - STN

SANSTN

San Diego

Mon 9/22

8:10 am-10:40 am

2 stops18h 30m

London Stansted

Mon 10/6

9:30 pm-7:35 pm

2 stops30h 05m

$596

San DiegoLondon

SAN - LCY

SANLCY

San Diego

Sun 9/21

1:55 pm-4:40 pm

1 stop18h 45m

London City

Wed 10/1

5:50 pm-12:00 pm

1 stop26h 10m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 60 results
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Best time to book a flight from San Diego to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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 the United Kingdom

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

Currently, November is the cheapest month in which you can book a flight from San Diego to United Kingdom (average of $661). Flying from San Diego to United Kingdom in June is currently the most expensive (average of $1,098). 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 GB?

Find hourly flight availability from San Diego to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from San Diego to United Kingdom, 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 San Diego to United Kingdom

Explore weekly flight availability from San Diego to United Kingdom. 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 September 11, 2025.

The most flights from SAN to GB0 are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown Delta, American Airlines, and JetBlue from San Diego to the United Kingdom. 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
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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.
JetBlue
7.2
Good
2,913 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
2,929 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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 United Kingdom. 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 United Kingdom?

    San Diego (SAN), located 2.6 mi from the city center, is the airport you fly out of when you book flights from San Diego to United Kingdom.

  • How long is the flight from San Diego to United Kingdom?

    There are many flights that can get you from San Diego to United Kingdom in 15h 25m. Fly via Virgin Atlantic, United Airlines, or Delta to get the fastest option. San Diego and United Kingdom are separated by a distance of 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 to fly from San Diego to United Kingdom one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $305. Users have also found prices from $383 and $402 on JetBlue and Lufthansa, respectively.

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

    When deciding which route to take from San Diego to United Kingdom 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 United Kingdom?

    The top 3 most reliable airlines when flying from San Diego to United Kingdom are American Airlines (76%), Alaska Airlines (76%) and British Airways (76%).

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

    Looking for the cheapest flight from San Diego to United Kingdom? While on average our users pay $2,591, our data indicates the cheapest price to be $429. The most popular route (San Diego - London Heathrow), is priced around $509.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego to United Kingdom 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 United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from San Diego to United Kingdom (average of $661). Flying from San Diego to United Kingdom in June is currently the most expensive (average of $1,098). 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

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Alternative routes for San Diego to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from San Diego to United Kingdom

Discover the top 10 airlines that operate flights from San Diego to United Kingdom. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$210Average$1,039FlexibilityNo cancel feeOn-time62%
DeltaCheapest$553Average$1,098FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$569Average$872FlexibilityNo cancel feeOn-time69%
KLMCheapest$580Average$879FlexibilityNo cancel feeOn-time75%
IberiaCheapest$589Average$844FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$589Average$892FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$590Average$831FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$603Average$880FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$620Average$946FlexibilityNo cancel feeOn-time72%
FinnairCheapest$642Average$738FlexibilityNo cancel feeOn-time76%

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