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Cheap flights from London to San Clemente from £366

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
6 Jun — 13 Jun1
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 7 May 2026.

Fri 4/907:25
LHR
-
LAX
1 stop15h 50m
Lufthansa
Sun 13/915:40
LAX
-
LHR
Nonstop10h 30m
Lufthansa
Deal found 4/5£444
Sat 5/906:55
LHR
-
LAX
1 stop16h 20m
Lufthansa
Sun 20/915:40
LAX
-
LHR
Nonstop10h 30m
Lufthansa
Deal found 2/5£445
Mon 4/514:30
LHR
-
LAX
Nonstop11h 15m
Virgin Atlantic
Mon 18/515:50
LAX
-
LHR
Nonstop10h 25m
Virgin Atlantic
Deal found 2/5£449
Fri 5/606:30
LHR
-
LAX
1 stop13h 20m
Virgin Atlantic
Sat 20/608:30
LAX
-
LHR
1 stop16h 20m
Virgin Atlantic
Deal found 3/5£452
Tue 21/713:05
LHR
-
LAX
Nonstop11h 05m
United Airlines
Tue 4/816:14
LAX
-
LHR
1 stop13h 56m
United Airlines
Deal found 3/5£452
Tue 6/1008:20
LHR
-
LAX
Nonstop11h 10m
British Airways
Tue 13/1013:52
LAX
-
LHR
1 stop13h 08m
British Airways
Deal found 2/5£455
Wed 15/716:40
LHR
-
LAX
1 stop16h 17m
United Airlines
Mon 10/810:10
LAX
-
LHR
1 stop13h 35m
United Airlines
Deal found 2/5£455
Tue 21/709:30
LHR
-
LAX
1 stop18h 24m
Air Canada
Wed 29/712:25
LAX
-
LHR
1 stop13h 35m
Air Canada
Deal found 3/5£456
Tue 12/508:40
LHR
-
LAX
1 stop14h 05m
Virgin Atlantic
Mon 18/515:50
LAX
-
LHR
Nonstop10h 25m
Virgin Atlantic
Deal found 2/5£457
Sat 9/508:40
LHR
-
LAX
1 stop14h 05m
Virgin Atlantic
Sat 16/523:15
LAX
-
LHR
Nonstop10h 20m
Virgin Atlantic
Deal found 3/5£457
Fri 4/909:25
LGW
-
LAX
1 stop15h 05m
SWISS
Sun 13/919:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 3/5£457
Fri 8/506:30
LHR
-
LAX
1 stop13h 20m
Virgin Atlantic
Mon 11/515:50
LAX
-
LHR
Nonstop10h 25m
Virgin Atlantic
Deal found 2/5£458

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 7 May 2026.

Round-trip from

£444

One-way from

£366

Popular in

December

Cheapest in

September

Average price

£452
Lufthansa
  • Lufthansa
  • 4/9-11/9
  • 1 total stop
  • 26h 20m total
  • London to San Clemente
Search Deals
27/5
  • 27/5
  • 3 total stops
  • 22h 45m total
  • London to San Clemente
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 7 May 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

Mon 7/9

15:05-18:20

Nonstop11h 15m

Los Angeles

Mon 21/9

18:10-12:45

Nonstop10h 35m

£504

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 7/6

14:30-17:45

Nonstop11h 15m

Los Angeles

Fri 10/7

17:35-17:30

1 stop15h 55m

£518

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 28/8

08:20-11:30

Nonstop11h 10m

Los Angeles

Fri 25/9

18:10-12:45

Nonstop10h 35m

£553
Fastest return journey

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 14/6

14:30-17:45

Nonstop11h 15m

Los Angeles

Mon 29/6

20:35-15:00

Nonstop10h 25m

£557

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Fri 5/6

10:25-18:35

1 stop16h 10m

Los Angeles

Mon 8/6

15:40-16:00

1 stop16h 20m

£560

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Tue 15/9

19:25-13:15

2 stops25h 50m

Los Angeles

Mon 21/9

15:15-08:25

2 stops33h 10m

£562

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 17/7

16:55-20:15

Nonstop11h 20m

Los Angeles

Fri 24/7

13:16-12:15

1 stop14h 59m

£575

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Sat 30/5

08:25-14:45

1 stop14h 20m

Los Angeles

Thu 4/6

15:26-17:20

2 stops17h 54m

£577

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Wed 17/6

10:25-18:35

1 stop16h 10m

Los Angeles

Mon 29/6

15:15-16:00

1 stop16h 45m

£580

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 4/8

13:10-23:13

1 stop18h 03m

Los Angeles

Wed 12/8

15:22-12:15

1 stop12h 53m

£583

Flights are sorted by cheapest return flights first.

Deals found on 2/5

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

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 7 May 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 7 May 2026.

The most flights from LON to CL3 are scheduled on a Monday (54 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (54 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 7 May 2026.
Get a feel of what it's like to fly with United Airlines,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.
United Airlines
7.4
Good
9,692 reviews
Check prices

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
United Airlines
7.4
Good
9,692 reviews
United Airlines
7.4
Good
9,692 reviews
Check prices

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Virgin Atlantic
7.4
Good
688 reviews
United Airlines
7.4
Good
9,692 reviews
Check prices

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Norse Atlantic UK
7.2
Good
United Airlines
7.4
Good
9,692 reviews
Check prices

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Lufthansa
6.8
Okay
7,978 reviews
United Airlines
7.4
Good
9,692 reviews
Check prices

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
British Airways
6.7
Okay
7,951 reviews
United Airlines
7.4
Good
9,692 reviews
Check prices

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

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 10m. Finnair provides one of the quickest options available for as low as £553. London and San Clemente are separated by a distance of 5439 mi. Generally, flights for this route are direct.

  • 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 £168 on WestJet. Other airlines that offer cheap prices include Norse Atlantic UK from £188 and TAP AIR PORTUGAL from £241 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 Malaysia Airlines (91%), Royal Jordanian (90%) or Fiji Airways (89%) 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 £431. While the most popular route (London Heathrow - Los Angeles) can be booked for £360 on average, our data indicates £2,115 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.

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 7 May 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£235Average£521FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Norse Atlantic UKCheapest£257Average£502FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£288Average£543FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£320Average£419FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£328Average£755FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Brussels AirlinesCheapest£330Average£443FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
DeltaCheapest£332Average£531FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Virgin AtlanticCheapest£335Average£472FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£340Average£505FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£342Average£471FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL 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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