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Cheap flights from London to San Clemente from £440

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
18 Jul — 25 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to San Clemente are usually found in September or February, booked 81 days in advance, depart on a Friday or Wednesday and return on a Wednesday

Cheap flight deals from London to San Clemente

Enter your travel dates to find the best prices.

Cheapest flights from London to San Clemente
Explore the most affordable flight options available from London to San Clemente. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 June 2026.

Tue 7/709:30
LHR
-
LAX
1 stop14h 50m
Lufthansa
Thu 6/815:35
LAX
-
LHR
Nonstop10h 35m
Lufthansa
Deal found 18/6£474
Thu 25/608:30
LHR
-
LAX
2 stops22h 25m
Air Canada
Fri 10/722:35
LAX
-
LHR
2 stops23h 55m
Air Canada
Deal found 18/6£475
Fri 6/1106:00
LHR
-
LAX
2 stops23h 39m
Air Canada
Mon 16/1107:00
LAX
-
LHR
1 stop20h 50m
Air Canada
Deal found 18/6£476
Sat 3/1008:20
LHR
-
LAX
Nonstop11h 10m
Finnair
Tue 13/1018:05
LAX
-
LHR
Nonstop10h 40m
Finnair
Deal found 18/6£477
Fri 21/809:25
LGW
-
LAX
1 stop15h 05m
SWISS
Thu 27/819:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 17/6£477
Wed 19/806:55
LHR
-
LAX
1 stop16h 20m
Lufthansa
Tue 1/915:35
LAX
-
LHR
Nonstop10h 35m
Lufthansa
Deal found 17/6£477
Thu 15/1011:30
LGW
-
LAX
2 stops21h 16m
Iberia
Fri 23/1017:50
LAX
-
LGW
1 stop18h 10m
Iberia
Deal found 17/6£477
Fri 21/813:05
LHR
-
LAX
Nonstop11h 05m
United Airlines
Wed 2/915:35
LAX
-
LHR
Nonstop10h 35m
United Airlines
Deal found 18/6£478
Sat 22/806:15
LHR
-
LAX
1 stop14h 40m
Virgin Atlantic
Mon 31/812:07
LAX
-
LHR
1 stop19h 28m
Virgin Atlantic
Deal found 18/6£479
Thu 12/1110:00
LGW
-
LAX
1 stop19h 35m
Virgin Atlantic
Tue 17/1107:00
LAX
-
LGW
2 stops18h 00m
Virgin Atlantic
Deal found 17/6£479
Mon 21/909:15
LCY
-
LAX
1 stop15h 15m
SWISS
Tue 29/919:35
LAX
-
LCY
1 stop13h 50m
SWISS
Deal found 18/6£480
Fri 21/813:05
LHR
-
LAX
Nonstop11h 05m
Lufthansa
Tue 1/915:35
LAX
-
LHR
Nonstop10h 35m
Lufthansa
Deal found 16/6£480

Find flight deals from London to San Clemente

Keep the following information in mind while searching for London to San Clemente flight deals. Data was last updated 18 June 2026.

Round-trip from

£474

One-way from

£440

Popular in

December

Cheapest in

September

Average price

£542
Lufthansa
  • Lufthansa
  • 7/7-6/8
  • 1 total stop
  • 25h 25m total
  • London to San Clemente
Search Deals
18/10
  • 18/10
  • 3 total stops
  • 31h 10m total
  • London to San Clemente
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to San Clemente 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 858,174 searches. Data last updated 18 June 2026.
Use the filters below to find and compare flights from London to San Clemente that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 15/7

11:25-22:55

1 stop19h 30m

Los Angeles Los Angeles

Wed 22/7

15:35-10:10

Nonstop10h 35m

£485

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Sat 12/9

10:25-20:37

2 stops18h 12m

Los Angeles Los Angeles

Sat 19/9

18:25-16:00

1 stop13h 35m

£495
Fastest return journey

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 25/8

18:15-21:25

Nonstop11h 10m

Los Angeles Los Angeles

Mon 31/8

23:15-17:35

Nonstop10h 20m

£496

LondonLos Angeles

LTN - LAX

LTNLAX

London Luton

Fri 11/9

13:50-13:05

2 stops31h 15m

Los Angeles Los Angeles

Mon 21/9

08:15-11:00

2 stops18h 45m

£504

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Tue 8/9

09:20-14:45

1 stop13h 25m

Los Angeles Los Angeles

Mon 14/9

15:15-16:40

2 stops17h 25m

£515

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 12/8

13:05-16:10

Nonstop11h 05m

Los Angeles Los Angeles

Thu 20/8

14:29-12:25

1 stop13h 56m

£519

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 14/12

06:30-17:44

2 stops19h 14m

Los Angeles Los Angeles

Wed 30/12

07:00-10:00

1 stop19h 00m

£521

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Sat 19/9

10:25-22:44

2 stops20h 19m

Los Angeles Los Angeles

Tue 29/9

11:34-16:00

2 stops20h 26m

£521

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 10/8

08:00-00:09

1 stop24h 09m

Los Angeles Los Angeles

Tue 1/9

14:15-11:55

1 stop13h 40m

£524

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Thu 9/7

10:25-23:53

2 stops21h 28m

Los Angeles Los Angeles

Tue 14/7

18:25-16:00

1 stop13h 35m

£532

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
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6

Best time to book a flight from London to San Clemente

Have a flexible travel schedule? Discover the best time to fly to San Clemente from London with our price prediction graph.
Estimated return 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 Clemente

What is the cheapest time of day to fly from LON to CL3?

Find hourly flight availability from London to San Clemente. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 June 2026.

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

Weekly flight availability from London to San Clemente

Explore weekly flight availability from London to San Clemente. 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 18 June 2026.

The most flights from LON to CL3 are scheduled on a Monday (53 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (53 on average).

How much does it cost for a return flight from London to San Clemente?

Reviews of airlines servicing San Clemente

Get insights into the airlines that provide service to San Clemente. 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 Clemente. Reviews last updated 18 June 2026.
Get a feel of what it's like to fly with Virgin Atlantic,United Airlines, andNorse Atlantic UK from London to San Clemente by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Overall

7.5

Boarding

7.7

Entertainment

7.5

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
690 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Overall

7.5

Boarding

7.7

Entertainment

7.5

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
United Airlines
7.4
Good
9,859 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Overall

7.5

Boarding

7.7

Entertainment

7.5

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Norse Atlantic UK
7.2
Good
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Overall

7.5

Boarding

7.7

Entertainment

7.5

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Lufthansa
6.8
Okay
8,071 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Overall

7.5

Boarding

7.7

Entertainment

7.5

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,054 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Overall

7.5

Boarding

7.7

Entertainment

7.5

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

Find useful and relevant information for your journey from London to San Clemente. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from London to San Clemente can take about 11h 10m. United Airlines provides one of the quickest options available for as low as £496. London and San Clemente are separated by a distance of 5439 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as £170 on WestJet. Other airlines that offer cheap prices include Norse Atlantic UK from £191 and TAP AIR PORTUGAL from £247 one-way.

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

    The most popular flight routes from London to San Clemente are London Heathrow - Los Angeles Los Angeles, London Gatwick - Los Angeles Los Angeles and London Stansted - Los Angeles Los Angeles.

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

    No one likes to see their flight delayed. When booking a flight from London to San Clemente consider choosing Malaysia Airlines (94%), Royal Jordanian (89%) or KLM (89%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for £348. While the most popular route (London Heathrow - Los Angeles Los Angeles) can be booked for £375 on average, our data indicates £2,174 when flying from London to San Clemente.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to San Clemente by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for London to San Clemente

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

Discover the top 10 airlines that operate flights from London to San Clemente. 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 858,174 searches. Data last updated 18 June 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£239Average£524FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Norse Atlantic UKCheapest£256Average£513FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£297Average£437FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£315Average£429FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£334Average£710FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£337Average£562FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Virgin AtlanticCheapest£340Average£513FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
TAP AIR PORTUGALCheapest£353Average£480FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Brussels AirlinesCheapest£354Average£474FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Austrian AirlinesCheapest£359Average£488FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to San Clemente?

When you search for this flight from London to San Clemente, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from London to San Clemente?

Cheapflights helps you find that perfect flight to San Clemente from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to San Clemente with no change fees?

Certainly. Search results for flights to San Clemente from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London to San Clemente become cheaper?

Yes, Cheapflights offers price alerts on London to San Clemente flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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