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Cheap flights from London to San Clemente from £337

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
29 Mar — 5 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 Thursday 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 27 February 2026.

Thu 5/309:00
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Wed 18/308:45
LAX
-
LHR
1 stop14h 10m
Multiple Airlines
Deal found 24/2£349
Thu 19/306:35
LHR
-
LAX
1 stop16h 40m
Lufthansa
Sun 29/315:30
LAX
-
LHR
Nonstop10h 40m
Lufthansa
Deal found 24/2£349
Thu 5/309:00
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Tue 17/308:45
LAX
-
LHR
1 stop14h 10m
Multiple Airlines
Deal found 24/2£351
Thu 5/309:00
LHR
-
LAX
1 stop15h 35m
SWISS
Mon 16/320:10
LAX
-
LHR
1 stop14h 40m
SWISS
Deal found 24/2£352
Sun 8/309:00
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Wed 18/308:45
LAX
-
LHR
1 stop14h 10m
Multiple Airlines
Deal found 26/2£352
Thu 5/309:00
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Wed 1/415:30
LAX
-
LHR
Nonstop10h 40m
Multiple Airlines
Deal found 24/2£353
Wed 4/309:00
LHR
-
LAX
1 stop15h 35m
United Airlines
Sun 15/320:00
LAX
-
LHR
Nonstop10h 30m
United Airlines
Deal found 23/2£355
Tue 3/309:00
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Wed 11/320:00
LAX
-
LHR
Nonstop10h 30m
Multiple Airlines
Deal found 24/2£355
Thu 5/306:30
LHR
-
LAX
1 stop14h 35m
Lufthansa
Wed 18/320:00
LAX
-
LHR
Nonstop10h 30m
Lufthansa
Deal found 25/2£356
Mon 16/318:40
LGW
-
LAX
1 stop29h 55m
SWISS
Mon 30/319:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 24/2£356
Thu 12/318:40
LGW
-
LAX
1 stop29h 55m
SWISS
Mon 16/320:10
LAX
-
LGW
1 stop14h 40m
SWISS
Deal found 26/2£358
Tue 14/409:25
LGW
-
LAX
1 stop15h 05m
SWISS
Sun 19/419:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 25/2£364

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 27 February 2026.

Round-trip from

£349

One-way from

£337

Popular in

December

Cheapest in

September

Average price

£399
Lufthansa
  • Lufthansa
  • 16/3-30/3
  • 1 total stop
  • 29h 15m total
  • London to San Clemente
Search Deals
SWISS
  • SWISS
  • 20/4
  • 1 total stop
  • 15h 15m total
  • London to San Clemente
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£23 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 27 February 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

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 14/4

08:45-16:30

1 stop15h 45m

Los Angeles

Fri 24/4

15:40-14:10

1 stop14h 30m

£367

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 16/4

07:25-15:15

1 stop15h 50m

Los Angeles

Sat 25/4

15:30-10:10

Nonstop10h 40m

£370

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 1/4

06:55-20:55

2 stops22h 00m

Los Angeles

Sat 30/5

23:15-21:35

1 stop14h 20m

£387

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 31/3

11:25-20:09

2 stops16h 44m

Los Angeles

Tue 7/4

10:15-07:40

1 stop13h 25m

£400

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 25/3

07:40-17:27

1 stop16h 47m

Los Angeles

Fri 17/4

12:55-09:40

1 stop12h 45m

£400

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 10/4

13:05-16:15

Nonstop11h 10m

Los Angeles

Fri 17/4

14:18-11:45

1 stop13h 27m

£408

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 14/7

07:45-14:42

1 stop14h 57m

Los Angeles

Tue 28/7

16:10-12:20

1 stop12h 10m

£411

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 29/6

16:40-00:57

1 stop16h 17m

Los Angeles

Sun 5/7

08:47-09:40

1 stop16h 53m

£412

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 9/3

14:25-17:35

2 stops34h 10m

Los Angeles

Mon 30/3

19:35-21:30

2 stops17h 55m

£421

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 28/5

14:25-16:30

2 stops34h 05m

Los Angeles

Wed 3/6

12:46-16:25

2 stops19h 39m

£438

Flights are sorted by cheapest return flights first.

Deals found on 23/2

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

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 20 February 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 £237). 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 27 February 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 27 February 2026.

The most flights from LON to CL3 are scheduled on a Wednesday (50 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (46 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 27 February 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
7.7
Good
1,461 reviews
Check prices

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.6

Entertainment

7.1

Food

7.3

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
7.7
Good
1,461 reviews
KLM
7.7
Good
1,461 reviews
Check prices

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.6

Entertainment

7.1

Food

7.3

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
679 reviews
KLM
7.7
Good
1,461 reviews
Check prices

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.6

Entertainment

7.1

Food

7.3

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
7.7
Good
1,461 reviews
Check prices

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.6

Entertainment

7.1

Food

7.3

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
7,816 reviews
KLM
7.7
Good
1,461 reviews
Check prices

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.6

Entertainment

7.1

Food

7.3

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
7,772 reviews
KLM
7.7
Good
1,461 reviews
Check prices

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.6

Entertainment

7.1

Food

7.3

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 15h 45m. United Airlines provides one of the quickest options available for as low as £367. 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 £163 on Norse Atlantic UK. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £245 and Scandinavian Airlines from £249 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 (93%), Royal Jordanian (87%) or Air Canada (87%) 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 £347. While the most popular route (London Heathrow - Los Angeles) can be booked for £323 on average, our data indicates £2,650 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 £237). 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 27 February 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£237Average£548FlexibilityNo cancel feeOn-time77%
Search Iberia flights
SWISSCheapest£276Average£548FlexibilityNo cancel feeOn-time79%
Search SWISS flights
FinnairCheapest£278Average£508FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Norse Atlantic UKCheapest£279Average£495FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Brussels AirlinesCheapest£331Average£467FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Aer LingusCheapest£332Average£777FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£335Average£523FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Virgin AtlanticCheapest£338Average£511FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Scandinavian AirlinesCheapest£339Average£456FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£343Average£497FlexibilityNo cancel feeOn-time70%
Search British Airways 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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