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Cheap flights from London to San Clemente from £340

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
23 Apr — 30 Apr1
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 37 days in advance, depart on a Wednesday or Friday 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 24 March 2026.

Sun 12/413:40
LHR
-
LAX
1 stop16h 00m
United Airlines
Thu 23/411:00
LAX
-
LHR
1 stop14h 40m
United Airlines
Deal found 19/3£369
Thu 16/407:30
LHR
-
LAX
1 stop17h 40m
Finnair
Wed 20/518:50
LAX
-
LHR
1 stop17h 50m
Finnair
Deal found 19/3£386
Thu 18/610:20
LGW
-
LAX
Nonstop11h 15m
Norse Atlantic UK
Sun 19/716:30
LAX
-
LGW
Nonstop10h 25m
Norse Atlantic UK
Deal found 20/3£392
Mon 13/415:05
LHR
-
LAX
Nonstop11h 10m
British Airways
Mon 27/415:40
LAX
-
LHR
Nonstop10h 35m
British Airways
Deal found 19/3£393
Wed 17/610:50
LGW
-
LAX
Nonstop11h 20m
Norse Atlantic UK
Sun 19/716:30
LAX
-
LGW
Nonstop10h 25m
Norse Atlantic UK
Deal found 20/3£393
Fri 4/910:20
LGW
-
LAX
Nonstop11h 15m
Norse Atlantic UK
Sat 19/916:30
LAX
-
LGW
Nonstop10h 25m
Norse Atlantic UK
Deal found 23/3£395
Wed 3/610:50
LGW
-
LAX
Nonstop11h 20m
Norse Atlantic UK
Sat 4/716:30
LAX
-
LGW
Nonstop10h 25m
Norse Atlantic UK
Deal found 21/3£397
Sat 30/510:00
LHR
-
LAX
1 stop18h 15m
United Airlines
Sat 13/610:55
LAX
-
LHR
1 stop17h 25m
United Airlines
Deal found 19/3£399
Mon 13/411:40
LHR
-
LAX
Nonstop11h 10m
British Airways
Tue 28/420:50
LAX
-
LHR
Nonstop10h 35m
British Airways
Deal found 19/3£401
Thu 18/610:20
LGW
-
LAX
Nonstop11h 15m
Norse Atlantic UK
Fri 17/716:30
LAX
-
LGW
Nonstop10h 25m
Norse Atlantic UK
Deal found 20/3£402
Wed 17/610:50
LGW
-
LAX
Nonstop11h 20m
Norse Atlantic UK
Fri 17/716:30
LAX
-
LGW
Nonstop10h 25m
Norse Atlantic UK
Deal found 20/3£403
Thu 18/610:20
LGW
-
LAX
Nonstop11h 15m
Norse Atlantic UK
Sun 12/716:30
LAX
-
LGW
Nonstop10h 25m
Norse Atlantic UK
Deal found 23/3£405

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 24 March 2026.

Round-trip from

£369

One-way from

£340

Popular in

December

Cheapest in

September

Average price

£462
United Airlines
  • United Airlines
  • 12/4-23/4
  • 2 total stops
  • 30h 40m total
  • London to San Clemente
Search Deals
4/5
  • 4/5
  • 3 total stops
  • 34h 00m total
  • London to San Clemente
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£24 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 24 March 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 16/9

08:40-16:30

1 stop15h 50m

Los Angeles

Fri 25/9

15:40-10:10

Nonstop10h 30m

£446

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 7/5

06:00-13:05

1 stop15h 05m

Los Angeles

Thu 14/5

15:30-10:10

Nonstop10h 40m

£447

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 13/4

07:25-15:15

1 stop15h 50m

Los Angeles

Sun 26/4

15:30-10:10

Nonstop10h 40m

£450

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 16/9

07:25-16:20

2 stops16h 55m

Los Angeles

Wed 23/9

11:00-09:40

1 stop14h 40m

£458

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 6/5

12:00-18:25

1 stop14h 25m

Los Angeles

Sun 10/5

20:20-15:05

Nonstop10h 45m

£463

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 13/4

07:40-18:25

1 stop18h 45m

Los Angeles

Mon 4/5

12:36-10:35

1 stop13h 59m

£464

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 9/6

07:25-15:15

1 stop15h 50m

Los Angeles

Sat 20/6

12:46-09:40

1 stop12h 54m

£472

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 16/9

10:30-13:45

Nonstop11h 15m

Los Angeles

Mon 28/9

15:45-10:15

Nonstop10h 30m

£473

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 13/4

13:05-16:15

Nonstop11h 10m

Los Angeles

Sun 26/4

15:30-10:10

Nonstop10h 40m

£473

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 6/8

14:30-17:45

Nonstop11h 15m

Los Angeles

Sun 16/8

15:50-10:15

Nonstop10h 25m

£474

Flights are sorted by cheapest return flights first.

Deals found on 18/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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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

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

Use this chart to determine the optimal time to book a return flight from London to San Clemente. Price data was last updated on 13 March 2026.

To ensure you get the cheapest price possible for a flight from London to San Clemente, you should look to book at least 37 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from London to San Clemente (average of £239). Flying from London to San Clemente in July is currently the most expensive (average of £388). 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 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 24 March 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.

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 24 March 2026.
Get a feel of what it's like to fly with KLM,Virgin Atlantic, 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.
KLM
7.8
Good
1,477 reviews
Check prices

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,477 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
685 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Norse Atlantic UK
7.3
Good
KLM
7.8
Good
1,477 reviews
Check prices

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,863 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,812 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 14h 25m. Lufthansa provides one of the quickest options available for as low as £463. 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 £164 on Norse Atlantic UK. Other airlines that offer cheap prices include WestJet from £171 and TAP AIR PORTUGAL from £246 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, London Gatwick - Los Angeles and London Stansted - 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 SriLankan Airlines (97%), Fiji Airways (90%) or Malaysia Airlines (90%) 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 £373. While the most popular route (London Heathrow - Los Angeles) can be booked for £422 on average, our data indicates £2,785 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.

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

    Currently, September is the cheapest month in which you can book a flight from London to San Clemente (average of £239). Flying from London to San Clemente in July is currently the most expensive (average of £388). 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 London to San Clemente

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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 24 March 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£239Average£549FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Norse Atlantic UKCheapest£271Average£499FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£278Average£552FlexibilityNo cancel feeOn-time79%
Search SWISS flights
DeltaCheapest£309Average£525FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Aer LingusCheapest£335Average£770FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Brussels AirlinesCheapest£335Average£456FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Scandinavian AirlinesCheapest£340Average£460FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£340Average£515FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£346Average£503FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Austrian AirlinesCheapest£352Average£481FlexibilityNo 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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