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$316+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LHR
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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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 November 13, 2025.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:43 pmSAN - EDI
2 stops16h 37mAmerican Airlines
Sun 12/149:15 amEDI - SAN
2 stops19h 30mAmerican Airlines
Deal found 11/11$612
This American Airlines deal was found by Cheapflights users on 11/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/109:59 pmSAN - LHR
1 stop24h 21mMultiple Airlines
Tue 2/312:50 pmLHR - SAN
Nonstop11h 20mMultiple Airlines
Deal found 11/10$625
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2412:45 pmSAN - LHR
1 stop15h 05mMultiple Airlines
Tue 12/97:15 pmLHR - SAN
1 stop28h 30mMultiple Airlines
Deal found 11/11$627
This Delta deal was found by Cheapflights users on 11/10. 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 11/126:30 amSAN - LHR
1 stop16h 35mDelta
Fri 2/66:20 amLHR - SAN
2 stops18h 18mDelta
Deal found 11/10$628
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:02 amSAN - LHR
1 stop13h 58mDelta
Fri 11/2111:30 amLHR - SAN
2 stops19h 25mDelta
Deal found 11/12$629
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:15 amSAN - LHR
1 stop19h 45mDelta
Fri 12/126:30 amLHR - SAN
2 stops16h 53mDelta
Deal found 11/12$630
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/11:23 pmSAN - LHR
1 stop13h 02mBritish Airways
Sun 12/710:05 amLHR - SAN
1 stop15h 59mBritish Airways
Deal found 11/12$631
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/44:04 pmSAN - LHR
3 stops21h 16mScandinavian Airlines
Wed 12/106:40 amLHR - SAN
2 stops25h 18mScandinavian Airlines
Deal found 11/11$632
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:00 amSAN - LHR
2 stops16h 05mDelta
Thu 11/209:00 amLHR - SAN
2 stops18h 19mDelta
Deal found 11/12$633
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:24 amSAN - LHR
2 stops16h 26mDelta
Wed 11/266:30 amLHR - SAN
2 stops16h 57mDelta
Deal found 11/12$634
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:35 amSAN - LHR
1 stop13h 10mMultiple Airlines
Fri 11/2111:20 amLHR - SAN
1 stop15h 59mMultiple Airlines
Deal found 11/12$636
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:24 amSAN - LHR
2 stops16h 26mDelta
Thu 11/2710:45 amLHR - SAN
1 stop18h 28mDelta
Deal found 11/12$640

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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$552
(Cheapflightsfares)

One-way from

$316
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$752

Good round-trip deal

$691 or less

Good one-way deal

$463 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 United Kingdom
Search Deals
One-way flight from San Diego to United Kingdom
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($317 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 November 2025
Search Deals
Price to beat on a round-trip flight from San Diego to United Kingdom.
Search Deals
Price to beat on a one-way flight from San Diego to United Kingdom.
Search Deals

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 November 13, 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 DiegoGlasgow

SAN - GLA

SANGLA

San Diego

Tue 2/3

6:00 pm-6:15 pm

1 stop16h 15m

Glasgow Intl

Sun 2/8

9:20 am-4:05 pm

1 stop14h 45m

$594

San DiegoEdinburgh

SAN - EDI

SANEDI

San Diego

Wed 1/7

6:00 pm-5:05 pm

1 stop15h 05m

Edinburgh Turnhouse

Mon 1/12

5:55 pm-4:10 pm

1 stop30h 15m

$608

San DiegoEdinburgh

SAN - EDI

SANEDI

San Diego

Wed 1/7

6:00 pm-5:05 pm

1 stop15h 05m

Edinburgh Turnhouse

Tue 1/13

7:00 pm-4:10 pm

1 stop29h 10m

$608

San DiegoEdinburgh

SAN - EDI

SANEDI

San Diego

Tue 12/2

12:43 pm-1:20 pm

2 stops16h 37m

Edinburgh Turnhouse

Sun 12/14

9:15 am-8:45 pm

2 stops19h 30m

$612

San DiegoGlasgow

SAN - GLA

SANGLA

San Diego

Thu 2/19

6:00 pm-7:40 pm

1 stop17h 40m

Glasgow Intl

Sat 2/28

10:30 am-10:27 pm

2 stops19h 57m

$613

San DiegoManchester

SAN - MAN

SANMAN

San Diego

Fri 1/16

2:11 pm-11:20 pm

2 stops25h 09m

Manchester

Wed 1/21

6:25 am-3:45 pm

1 stop17h 20m

$613

San DiegoManchester

SAN - MAN

SANMAN

San Diego

Fri 2/6

6:00 pm-4:35 pm

1 stop14h 35m

Manchester

Sun 2/15

9:40 am-4:05 pm

1 stop14h 25m

$614

San DiegoGlasgow

SAN - GLA

SANGLA

San Diego

Tue 2/3

9:24 am-10:45 am

2 stops17h 21m

Glasgow Intl

Sun 2/8

10:20 am-9:58 pm

2 stops19h 38m

$615

San DiegoGlasgow

SAN - GLA

SANGLA

San Diego

Thu 2/19

10:51 am-1:05 pm

2 stops18h 14m

Glasgow Intl

Sat 2/28

6:35 am-6:55 pm

2 stops20h 20m

$616

San DiegoManchester

SAN - MAN

SANMAN

San Diego

Fri 2/6

9:21 am-11:55 am

2 stops18h 34m

Manchester

Sun 2/15

6:45 am-4:05 pm

1 stop17h 20m

$619

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

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, February is the cheapest month in which you can book a flight from San Diego to United Kingdom (average of $486). Flying from San Diego to United Kingdom in June is currently the most expensive (average of $828). 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 November 13, 2025.

A simple way to save on the total cost of your ticket is to fly from San Diego to United Kingdom in the afternoon. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from San Diego to United Kingdom?

Use this chart to determine the cheapest time to fly round-trip from San Diego to United Kingdom. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Diego to United Kingdom flight should consider departing on Saturday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 13, 2025.

The most flights from SAN to GB0 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).

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 November 13, 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
7.9
Good
8,008 reviews

Boarding

8.1

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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
11,051 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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
2,907 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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
3,012 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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
7,518 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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 16h 15m. Fly via British Airways, American Airlines, or Lufthansa to get the fastest option. San Diego and United Kingdom are separated by a distance of 5153 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 Aer Lingus. According to our data, you can fly for as low as $389. Users have also found prices from $401 and $413 on Lufthansa and Air Canada, 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 (75%), Alaska Airlines (75%) and British Airways (75%).

  • 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 $2,793, our data indicates the cheapest price to be $433. The most popular route (San Diego - London Heathrow), is priced around $558.

  • 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, February is the cheapest month in which you can book a flight from San Diego to United Kingdom (average of $486). Flying from San Diego to United Kingdom in June is currently the most expensive (average of $828). 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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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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$210Average$1,041FlexibilityNo cancel feeOn-time62%
DeltaCheapest$552Average$1,077FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$556Average$827FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$567Average$878FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$577Average$902FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$581Average$706FlexibilityNo cancel feeOn-time77%
IberiaCheapest$583Average$851FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$594Average$880FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$620Average$946FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$660Average$866FlexibilityNo cancel feeOn-time76%

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