Cheap flights from London to San Clemente from £254

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
23 Jul — 30 Jul1
1 adult

Cheapflights Tip: The best prices from London to San Clemente are usually found in February or September, booked 68 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 July 2025.

Round-trip from

£380

One-way from

£254

Popular in

August

Cheapest in

February

Average price

£600
Scandinavian Airlines
  • Scandinavian Airlines
  • 5/9-21/9
  • 2 total stops
  • 35h 50m total
  • London to San Clemente
31/8
  • 31/8
  • 1 total stop
  • 29h 50m total
  • London to San Clemente
Highest demand for flights based on searches. 9% potential increase in price (£40 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 July 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 July 2025.

Fri 5/906:40LHR - LAX
1 stop17h 40mScandinavian Airlines
Sun 21/919:30LAX - LHR
1 stop18h 10mScandinavian Airlines
Deal found 17/7£380
Thu 11/918:40LGW - LAX
1 stop29h 50mSWISS
Wed 24/919:35LAX - LGW
1 stop14h 20mSWISS
Deal found 18/7£381
Mon 1/910:25LGW - LAX
Nonstop11h 15mNorse Atlantic UK
Fri 12/916:30LAX - LGW
Nonstop10h 25mNorse Atlantic UK
Deal found 16/7£382
Wed 17/921:05LGW - LAX
1 stop29h 00mMultiple Airlines
Fri 26/916:30LAX - LGW
Nonstop10h 25mMultiple Airlines
Deal found 17/7£383
Mon 17/1116:35LGW - LAX
1 stop30h 25mTAP AIR PORTUGAL
Sat 29/1116:45LAX - LGW
1 stop33h 05mTAP AIR PORTUGAL
Deal found 18/7£384
Wed 24/906:05LTN - LAX
1 stop21h 00mMultiple Airlines
Sun 28/921:25LAX - LTN
1 stop27h 50mMultiple Airlines
Deal found 18/7£386
Thu 11/909:25LCY - LAX
1 stop15h 05mSWISS
Wed 24/919:35LAX - LCY
1 stop13h 40mSWISS
Deal found 18/7£386
Fri 29/818:40LHR - LAX
1 stop29h 50mMultiple Airlines
Fri 12/916:40LAX - LHR
Nonstop10h 30mMultiple Airlines
Deal found 18/7£386
Thu 11/907:00LHR - LAX
2 stops17h 30mSWISS
Fri 3/1019:35LAX - LHR
1 stop18h 10mSWISS
Deal found 18/7£389
Thu 11/917:40SEN - LAX
1 stop33h 25mMultiple Airlines
Wed 24/921:25LAX - SEN
1 stop15h 25mMultiple Airlines
Deal found 17/7£389
Sun 7/906:30LHR - LAX
1 stop14h 30mLufthansa
Sun 21/916:40LAX - LHR
Nonstop10h 30mLufthansa
Deal found 17/7£391
Wed 20/820:55STN - LAX
2 stops25h 55mMultiple Airlines
Wed 3/913:40LAX - STN
2 stops22h 55mMultiple Airlines
Deal found 17/7£392

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 July 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

LHR - LAX

LHRLAX

London Heathrow

Fri 5/9

06:40-16:20

1 stop17h 40m

Los Angeles

Sun 21/9

19:30-21:40

1 stop18h 10m

£380

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Thu 11/9

18:40-16:30

1 stop29h 50m

Los Angeles

Wed 24/9

19:35-17:55

1 stop14h 20m

£381

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Mon 1/9

10:25-13:40

Nonstop11h 15m

Los Angeles

Fri 12/9

16:30-10:55

Nonstop10h 25m

£382

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Wed 17/9

21:05-18:05

1 stop29h 00m

Los Angeles

Fri 26/9

16:30-10:55

Nonstop10h 25m

£383

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Mon 17/11

16:35-15:00

1 stop30h 25m

Los Angeles

Sat 29/11

16:45-09:50

1 stop33h 05m

£384

LondonLos Angeles

LTN - LAX

LTNLAX

London Luton

Wed 24/9

06:05-19:05

1 stop21h 00m

Los Angeles

Sun 28/9

21:25-09:15

1 stop27h 50m

£386

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Thu 11/9

09:25-16:30

1 stop15h 05m

Los Angeles

Wed 24/9

19:35-17:15

1 stop13h 40m

£386

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 29/8

18:40-16:30

1 stop29h 50m

Los Angeles

Fri 12/9

16:40-11:10

Nonstop10h 30m

£386

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 11/9

07:00-16:30

2 stops17h 30m

Los Angeles

Fri 3/10

19:35-21:45

1 stop18h 10m

£389

LondonLos Angeles

SEN - LAX

SENLAX

London Southend

Thu 11/9

17:40-19:05

1 stop33h 25m

Los Angeles

Wed 24/9

21:25-20:50

1 stop15h 25m

£389

Flights are sorted by cheapest return flights first.

Deals found on 17/7

Showing 1-10 of 38 results
1
2
3
4

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 11 July 2025.

To ensure you get the cheapest price possible for a flight from London to San Clemente, you should look to book at least 68 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, January is the cheapest month in which you can book a flight from London to San Clemente (average of £575). 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 July 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 July 2025.

The most flights from LON to CL3 are scheduled on a Monday (57 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (51 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 July 2025.
Get a feel of what it's like to fly with KLM, Austrian Airlines, andFinnair 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.

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.
  • 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 £257 on Norse Atlantic UK. Other airlines that offer cheap prices include Vueling from £279 and A.P.G. from £282 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 KLM (86%), Air France (86%) or Delta (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 £386. While the most popular route (London Heathrow - Los Angeles) can be booked for £340 on average our data indicates £2,065 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, January is the cheapest month in which you can book a flight from London to San Clemente (average of £575). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£278Average£555FlexibilityNo cancel feeOn-time79%
Search SWISS flights
FinnairCheapest£280Average£494FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Norse Atlantic UKCheapest£304Average£516FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
DeltaCheapest£328Average£562FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
KLMCheapest£347Average£521FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£354Average£443FlexibilityNo cancel feeOn-time77%
Search Air France flights
Brussels AirlinesCheapest£355Average£477FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Scandinavian AirlinesCheapest£355Average£502FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
United AirlinesCheapest£359Average£545FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Austrian AirlinesCheapest£359Average£475FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.