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Cheap flights from London to San Clemente from £346

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 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
18 Feb — 25 Feb1
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 Monday

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 19 January 2026.

Round-trip from

£360

One-way from

£346

Popular in

December

Cheapest in

September

Average price

£444
Finnair
  • Finnair
  • 1/3-15/3
  • 1 total stop
  • 25h 15m total
  • London to San Clemente
Search Deals
SWISS
  • SWISS
  • 28/2
  • 2 total stops
  • 29h 05m total
  • London to San Clemente
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£14 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 January 2026
Search Deals

Find 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 19 January 2026.

Sun 1/310:20
LHR
-
LAX
1 stop14h 45m
Finnair
Sun 15/320:30
LAX
-
LHR
Nonstop10h 30m
Finnair
Deal found 18/1£360
Tue 3/309:15
LCY
-
LAX
1 stop15h 20m
SWISS
Tue 10/320:10
LAX
-
LCY
1 stop13h 55m
SWISS
Deal found 17/1£361
Sun 1/310:20
LHR
-
LAX
1 stop14h 45m
Finnair
Sun 8/320:30
LAX
-
LHR
Nonstop10h 30m
Finnair
Deal found 18/1£361
Sat 14/213:35
LHR
-
LAX
1 stop17h 24m
Multiple Airlines
Tue 17/219:10
LAX
-
LHR
1 stop14h 40m
Multiple Airlines
Deal found 17/1£362
Thu 26/209:15
LCY
-
LAX
1 stop15h 20m
SWISS
Tue 10/320:10
LAX
-
LCY
1 stop13h 55m
SWISS
Deal found 18/1£363
Tue 3/320:05
LHR
-
LAX
1 stop28h 30m
SWISS
Tue 17/320:10
LAX
-
LHR
2 stops18h 15m
SWISS
Deal found 18/1£363
Fri 1/514:30
LGW
-
LAX
1 stop26h 28m
Finnair
Mon 4/518:59
LAX
-
LGW
2 stops29h 41m
Finnair
Deal found 17/1£363
Wed 4/309:20
LCY
-
LAX
1 stop15h 15m
SWISS
Wed 11/320:10
LAX
-
LCY
1 stop15h 30m
SWISS
Deal found 18/1£364
Thu 19/308:05
LHR
-
LAX
2 stops18h 47m
British Airways
Sat 4/421:44
LAX
-
LHR
1 stop14h 01m
British Airways
Deal found 17/1£364
Fri 30/109:20
LCY
-
LAX
1 stop15h 15m
SWISS
Sun 1/219:10
LAX
-
LCY
1 stop29h 30m
SWISS
Deal found 17/1£365
Wed 11/216:55
LHR
-
LAX
Nonstop11h 30m
British Airways
Wed 18/221:00
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 18/1£365
Sat 7/215:20
LHR
-
LAX
Nonstop11h 25m
United Airlines
Wed 18/219:00
LAX
-
LHR
Nonstop10h 30m
United Airlines
Deal found 18/1£365

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 19 January 2026.
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

Wed 11/2

14:25-16:35

2 stops34h 10m

Los Angeles

Mon 16/2

19:10-17:50

1 stop14h 40m

£363

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 16/2

18:40-16:35

1 stop29h 55m

Los Angeles

Mon 23/2

19:10-21:25

2 stops18h 15m

£363

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 11/2

16:55-20:25

Nonstop11h 30m

Los Angeles

Wed 18/2

21:00-15:30

Nonstop10h 30m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 9/3

16:55-21:25

Nonstop11h 30m

Los Angeles

Sun 22/3

20:30-14:00

Nonstop10h 30m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 19/3

15:20-19:45

Nonstop11h 25m

Los Angeles

Tue 24/3

10:15-07:25

1 stop14h 10m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 5/3

15:20-18:45

Nonstop11h 25m

Los Angeles

Thu 12/3

20:00-13:30

Nonstop10h 30m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 9/2

15:20-18:45

Nonstop11h 25m

Los Angeles

Wed 18/2

19:00-13:30

Nonstop10h 30m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 1/2

15:20-18:45

Nonstop11h 25m

Los Angeles

Sun 15/2

10:26-07:25

1 stop12h 59m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 9/2

15:20-18:45

Nonstop11h 25m

Los Angeles

Sat 21/2

19:00-13:30

Nonstop10h 30m

£365

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 13/2

15:20-18:45

Nonstop11h 25m

Los Angeles

Fri 27/2

13:25-11:05

1 stop13h 40m

£365

Flights are sorted by cheapest return flights first.

Deals found on 16/1

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 16 January 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 £396). 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 19 January 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 19 January 2026.

The most flights from LON to CL3 are scheduled on a Saturday (46 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (44 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 19 January 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
1,441 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,441 reviews
KLM
7.7
Good
1,441 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,441 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Norse Atlantic UK
7.2
Good
KLM
7.7
Good
1,441 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,731 reviews
KLM
7.7
Good
1,441 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,689 reviews
KLM
7.7
Good
1,441 reviews
Check prices

Entertainment

7.1

Crew

8.4

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 25m. SWISS provides one of the quickest options available for as low as £365. 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 TAP AIR PORTUGAL from £247 and Scandinavian Airlines from £251 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 City - 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 (94%), Air Canada (88%) or Austrian Airlines (88%) 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 £340. While the most popular route (London Heathrow - Los Angeles) can be booked for £273 on average, our data indicates £2,630 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 £396). 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.
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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 19 January 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£239Average£530FlexibilityNo cancel feeOn-time77%
Search Iberia flights
SWISSCheapest£278Average£491FlexibilityNo cancel feeOn-time79%
Search SWISS flights
FinnairCheapest£280Average£506FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Norse Atlantic UKCheapest£283Average£508FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Aer LingusCheapest£335Average£499FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Brussels AirlinesCheapest£335Average£485FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
DeltaCheapest£337Average£531FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Scandinavian AirlinesCheapest£343Average£456FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Austrian AirlinesCheapest£354Average£484FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Air FranceCheapest£357Average£501FlexibilityNo cancel feeOn-time77%
Search Air France 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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