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Cheap flights from London to Carlsbad, California from £334

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 23/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
3 May — 10 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Carlsbad 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 Carlsbad

Enter your travel dates to find the best prices.

Cheapest flights from London to Carlsbad
Explore the most affordable flight options available from London to Carlsbad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 April 2026.

Thu 30/714:05
LHR
-
LAX
1 stop15h 25m
Air Canada
Sat 8/808:15
LAX
-
LHR
1 stop14h 15m
Air Canada
Deal found 29/3£386
Mon 27/407:25
LHR
-
LAX
1 stop15h 50m
Lufthansa
Mon 4/515:30
LAX
-
LHR
Nonstop10h 40m
Lufthansa
Deal found 30/3£386
Tue 14/407:25
LHR
-
LAX
1 stop15h 50m
Multiple Airlines
Mon 27/419:35
LAX
-
LHR
1 stop14h 15m
Multiple Airlines
Deal found 29/3£387
Fri 24/708:30
LHR
-
LAX
1 stop14h 58m
Air Canada
Sun 9/808:15
LAX
-
LHR
1 stop17h 45m
Air Canada
Deal found 29/3£389
Mon 13/407:25
LHR
-
LAX
1 stop15h 50m
Lufthansa
Mon 27/415:30
LAX
-
LHR
Nonstop10h 40m
Lufthansa
Deal found 29/3£397
Tue 6/1018:35
LGW
-
LAX
1 stop29h 55m
SWISS
Tue 20/1011:15
LAX
-
LGW
2 stops22h 35m
SWISS
Deal found 29/3£400
Mon 7/910:30
LHR
-
LAX
Nonstop11h 15m
British Airways
Tue 15/920:55
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 1/4£401
Tue 8/911:40
LHR
-
LAX
Nonstop11h 15m
British Airways
Tue 15/920:55
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 1/4£401
Mon 27/409:25
LGW
-
LAX
1 stop15h 05m
SWISS
Mon 4/519:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 30/3£401
Tue 8/908:45
LHR
-
LAX
1 stop15h 45m
SWISS
Tue 22/919:35
LAX
-
LHR
1 stop14h 15m
SWISS
Deal found 29/3£402
Mon 7/906:40
LHR
-
LAX
1 stop18h 10m
Scandinavian Airlines
Thu 17/919:10
LAX
-
LHR
1 stop14h 30m
Scandinavian Airlines
Deal found 1/4£403
Tue 14/409:25
LGW
-
LAX
1 stop15h 05m
SWISS
Mon 27/419:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 29/3£403

Find flight deals from London to Carlsbad

Keep the following information in mind while searching for London to Carlsbad flight deals. Data was last updated 3 April 2026.

Round-trip from

£386

One-way from

£334

Popular in

December

Cheapest in

September

Average price

£451
Air Canada
  • Air Canada
  • 30/7-8/8
  • 2 total stops
  • 29h 40m total
  • London to Carlsbad
Search Deals
23/6
  • 23/6
  • 3 total stops
  • 41h 40m total
  • London to Carlsbad
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 (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Carlsbad 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 3 April 2026.
Use the filters below to find and compare flights from London to Carlsbad that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 13/4

07:25-15:15

1 stop15h 50m

Los Angeles Los Angeles

Fri 17/4

21:00-20:40

1 stop15h 40m

£452

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 30/5

06:55-15:15

1 stop16h 20m

Los Angeles Los Angeles

Mon 15/6

22:30-10:00

1 stop27h 30m

£455

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 18/5

13:05-16:15

Nonstop11h 10m

Los Angeles Los Angeles

Fri 22/5

15:35-10:10

Nonstop10h 35m

£477

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 24/4

14:05-20:59

1 stop14h 54m

Los Angeles Los Angeles

Tue 5/5

15:30-10:10

Nonstop10h 40m

£482

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 17/4

13:05-16:15

Nonstop11h 10m

Los Angeles Los Angeles

Sun 19/4

14:15-13:20

1 stop15h 05m

£506

LondonLos Angeles

LTN - LAX

LTNLAX

London Luton

Mon 13/4

08:15-18:25

1 stop18h 10m

Los Angeles Los Angeles

Mon 27/4

20:10-22:50

1 stop18h 40m

£515

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 11/9

07:05-16:50

2 stops17h 45m

Los Angeles Los Angeles

Fri 18/9

19:10-08:55

2 stops29h 45m

£522

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 6/6

06:30-11:50

1 stop13h 20m

Los Angeles Los Angeles

Sat 13/6

20:35-15:00

Nonstop10h 25m

£545

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 27/8

06:30-11:50

1 stop13h 20m

Los Angeles Los Angeles

Sun 6/9

23:15-17:35

Nonstop10h 20m

£547

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 17/9

07:30-17:10

1 stop17h 40m

Los Angeles Los Angeles

Thu 24/9

18:10-12:45

Nonstop10h 35m

£551

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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6

Best time to book a flight from London to Carlsbad

Have a flexible travel schedule? Discover the best time to fly to Carlsbad 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 Carlsbad

How far ahead should I book a flight from London to Carlsbad?

Use this chart to determine the optimal time to book a return flight from London to Carlsbad. Price data was last updated on 2 April 2026.

The best time to book flights from London to Carlsbad is 37 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London to Carlsbad?

Currently, September is the cheapest month in which you can book a flight from London to Carlsbad (average of £242). Flying from London to Carlsbad in July is currently the most expensive (average of £393). 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 C4D?

Find hourly flight availability from London to Carlsbad. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 April 2026.

When flying from London to Carlsbad, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London to Carlsbad

Explore weekly flight availability from London to Carlsbad. 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 3 April 2026.

The most flights from LON to C4D are scheduled on a Monday (50 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (42 on average).

How much does it cost for a return flight from London to Carlsbad?

Reviews of airlines servicing Carlsbad

Get insights into the airlines that provide service to Carlsbad. 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 Carlsbad. Reviews last updated 3 April 2026.
Read reviews from past customers who have flown with KLM,Virgin Atlantic, andNorse Atlantic UK from London to Carlsbad. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,485 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Food

7.3

Entertainment

7.1

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
1,485 reviews
KLM
7.7
Good
1,485 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Food

7.3

Entertainment

7.1

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
685 reviews
KLM
7.7
Good
1,485 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Food

7.3

Entertainment

7.1

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
1,485 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Food

7.3

Entertainment

7.1

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
7,885 reviews
KLM
7.7
Good
1,485 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Food

7.3

Entertainment

7.1

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
7,845 reviews
KLM
7.7
Good
1,485 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Food

7.3

Entertainment

7.1

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 Carlsbad. 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 Carlsbad?

    Airlines like United Airlines, Lufthansa, and Delta fly from London to Carlsbad in about 11h 10m. The time it takes to get you to your destination can typically vary by up to 5h. There are 5439 mi between London and Carlsbad. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from London to Carlsbad one-way?

    £166 is the cheapest one-way deal found within the past few days, from Norse Atlantic UK. You may also be able to find cheap deals on WestJet and TAP AIR PORTUGAL, with prices starting from £172 and £248, respectively.

  • What are the most popular routes from London to Carlsbad?

    Most travelers choose London Heathrow - Los Angeles Los Angeles, London Gatwick - Los Angeles Los Angeles or London Stansted - Los Angeles Los Angeles when deciding on the best route from London to Carlsbad.

  • What are the most reliable airlines from London to Carlsbad?

    Consider Royal Jordanian (93%), Malaysia Airlines (89%) or SriLankan Airlines (89%) when booking your flight. These represent the most reliable airlines when flying from London to Carlsbad.

  • What are the cheapest flights from London to Carlsbad?

    On average you can expect to pay £2,795 for a flight from London to Carlsbad. The cheapest flight overall is £382 while the most popular route, (London Heathrow - Los Angeles Los Angeles) is currently priced at £404.

  • Can I find deals for flights from London to Carlsbad that include hotel bookings?

    Yes. In addition to deals on London to Carlsbad flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Carlsbad?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Carlsbad.

  • Can I find deals for business class flights from London to Carlsbad?

    Yes. Cheapflights offers flight deals from London to Carlsbad 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 Carlsbad?

    Currently, September is the cheapest month in which you can book a flight from London to Carlsbad (average of £242). Flying from London to Carlsbad in July is currently the most expensive (average of £393). 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 Carlsbad

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 Carlsbad

Discover the top 10 airlines that operate flights from London to Carlsbad. 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 3 April 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£242Average£555FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Norse Atlantic UKCheapest£274Average£501FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£281Average£560FlexibilityNo cancel feeOn-time79%
Search SWISS flights
DeltaCheapest£313Average£528FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Aer LingusCheapest£338Average£778FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Brussels AirlinesCheapest£339Average£461FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Scandinavian AirlinesCheapest£342Average£464FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£344Average£521FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£349Average£510FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£351Average£483FlexibilityNo 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 Carlsbad?

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Why should you use Cheapflights to find cheap flight tickets from London to Carlsbad?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Carlsbad.

Can Cheapflights find flights from London to Carlsbad with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Carlsbad, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London to Carlsbad become cheaper?

Of course! You can now track prices for flights from London to Carlsbad and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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