Cheap flights from London to San Clemente from £237

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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from London to San Clemente are usually found in September or February, booked 55 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap 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 September 2025.

Round-trip from

£349

One-way from

£237

Popular in

December

Cheapest in

September

Average price

£399
Virgin Atlantic
  • Virgin Atlantic
  • 8/10-5/11
  • 1 total stop
  • 24h 30m total
  • London to San Clemente
LEVEL
  • LEVEL
  • 13/12
  • 1 total stop
  • 29h 20m total
  • London to San Clemente
Highest demand for flights based on searches. 3% potential increase in price (£12 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from London to San Clemente

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 September 2025.

Wed 8/1008:40LHR - LAX
1 stop14h 10mVirgin Atlantic
Wed 5/1116:35LAX - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 16/9£349
Wed 8/1008:40LHR - LAX
1 stop14h 10mVirgin Atlantic
Wed 15/1015:30LAX - LHR
Nonstop10h 30mVirgin Atlantic
Deal found 16/9£350
Tue 7/1006:30LHR - LAX
1 stop13h 20mVirgin Atlantic
Fri 17/1015:30LAX - LHR
Nonstop10h 30mVirgin Atlantic
Deal found 16/9£350
Wed 8/1007:40LHR - LAX
1 stop18h 45mAer Lingus
Wed 15/1020:15LAX - LHR
1 stop15h 10mAer Lingus
Deal found 16/9£351
Tue 23/908:50LHR - LAX
1 stop17h 35mAer Lingus
Thu 2/1020:15LAX - LHR
1 stop15h 10mAer Lingus
Deal found 16/9£352
Fri 26/906:00LHR - LAX
1 stop15h 05mMultiple Airlines
Fri 10/1008:25LAX - LHR
1 stop14h 50mMultiple Airlines
Deal found 16/9£352
Mon 22/906:00LHR - LAX
1 stop18h 30mMultiple Airlines
Wed 8/1016:40LAX - LHR
Nonstop10h 30mMultiple Airlines
Deal found 16/9£353
Fri 10/1010:55LGW - LAX
Nonstop11h 15mNorse Atlantic UK
Wed 22/1016:30LAX - LGW
Nonstop10h 25mNorse Atlantic UK
Deal found 17/9£353
Wed 24/908:50LHR - LAX
1 stop17h 35mAer Lingus
Wed 1/1020:15LAX - LHR
1 stop14h 40mAer Lingus
Deal found 16/9£354
Fri 31/1011:20LHR - LAX
Nonstop11h 15mVirgin Atlantic
Fri 7/1122:30LAX - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 16/9£355
Wed 1/1020:05LHR - LAX
1 stop28h 25mMultiple Airlines
Sat 11/1008:05LAX - LHR
1 stop14h 25mMultiple Airlines
Deal found 16/9£355
Sun 21/910:55LGW - LAX
Nonstop11h 15mNorse Atlantic UK
Sun 28/916:30LAX - LGW
Nonstop10h 25mNorse Atlantic UK
Deal found 17/9£355

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 September 2025.
Use the filters below to find and compare flights from London to San Clemente that are best for you.

Fly from

London

Fly to

San Clemente

Route

Depart

Return

Price

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Fri 10/10

10:55-14:10

Nonstop11h 15m

Los Angeles

Fri 17/10

16:30-10:55

Nonstop10h 25m

£357

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 6/11

09:00-16:35

1 stop15h 35m

Los Angeles

Thu 13/11

19:00-13:30

Nonstop10h 30m

£360

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 5/11

09:00-16:35

1 stop15h 35m

Los Angeles

Wed 12/11

19:00-13:30

Nonstop10h 30m

£360

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 7/10

08:45-16:30

1 stop15h 45m

Los Angeles

Fri 17/10

10:15-11:35

1 stop17h 20m

£360

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 31/10

09:00-17:35

1 stop15h 35m

Los Angeles

Fri 7/11

19:00-13:30

Nonstop10h 30m

£362

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 31/10

09:00-17:35

1 stop15h 35m

Los Angeles

Wed 12/11

00:25-05:55

1 stop21h 30m

£362

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 5/12

06:35-15:15

1 stop16h 40m

Los Angeles

Fri 6/2

19:00-13:30

Nonstop10h 30m

£362

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 6/10

06:00-13:05

1 stop15h 05m

Los Angeles

Sat 18/10

16:40-11:10

Nonstop10h 30m

£364

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 25/11

07:40-15:15

1 stop15h 35m

Los Angeles

Sun 14/12

19:00-13:30

Nonstop10h 30m

£364

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 29/9

19:30-13:05

1 stop25h 35m

Los Angeles

Mon 6/10

16:40-11:10

Nonstop10h 30m

£364

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 60 results
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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 12 September 2025.

To ensure you get the cheapest price possible for a flight from London to San Clemente, you should look to book at least 55 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 £573). Flying from London to San Clemente in July is currently the most expensive (average of £811). 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 18 September 2025.

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.

What is the cheapest day to fly from London to San Clemente?

Use this chart to determine the cheapest time to fly return from London to San Clemente. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to San Clemente flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 2025.

The most flights from LON to CL3 are scheduled on a Wednesday (54 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (48 on average).

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 September 2025.
Get a feel of what it's like to fly with Finnair, 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.

Boarding

7.6

Comfort

7.5

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Comfort

7.5

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Comfort

7.5

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Norse Atlantic UK
7.1
Good

Boarding

7.6

Comfort

7.5

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Comfort

7.5

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Comfort

7.5

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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 15m. Norse Atlantic UK provides one of the quickest options available for as low as £357. London and San Clemente are separated by a distance of 5463 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 £237 on LEVEL. Other airlines that offer cheap prices include Norse Atlantic UK from £243 and British Airways from £325 one-way.

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

  • 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 (89%), Aeromexico (86%) or KLM (86%) 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 £355. While the most popular route (London Heathrow - Los Angeles) can be booked for £309 on average, our data indicates £2,662 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 £573). Flying from London to San Clemente in July is currently the most expensive (average of £811). 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

See prices for flight routes from nearby airports that may be better suited for you.

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 September 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£275Average£488FlexibilityNo cancel feeOn-time76%
Search Finnair flights
SWISSCheapest£287Average£453FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Norse Atlantic UKCheapest£289Average£522FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Aer LingusCheapest£329Average£550FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£331Average£541FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Scandinavian AirlinesCheapest£341Average£478FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Air FranceCheapest£349Average£438FlexibilityNo cancel feeOn-time77%
Search Air France flights
Brussels AirlinesCheapest£351Average£464FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Austrian AirlinesCheapest£352Average£466FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
United AirlinesCheapest£355Average£554FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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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