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Cheap flights from London to Carlsbad, California from £341

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
17 Apr — 24 Apr1
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 18 March 2026.

Thu 18/610:20
LGW
-
LAX
Nonstop11h 15m
Norse Atlantic UK
Sun 12/716:30
LAX
-
LGW
Nonstop10h 25m
Norse Atlantic UK
Deal found 16/3£365
Thu 14/510:30
LHR
-
LAX
Nonstop11h 15m
British Airways
Tue 26/520:55
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 17/3£366
Mon 6/410:00
LHR
-
LAX
1 stop18h 20m
United Airlines
Tue 21/408:15
LAX
-
LHR
1 stop16h 45m
United Airlines
Deal found 16/3£368
Sun 3/509:30
LHR
-
LAX
1 stop18h 29m
Air Canada
Tue 30/607:30
LAX
-
LHR
1 stop17h 05m
Air Canada
Deal found 15/3£371
Thu 30/411:40
LHR
-
LAX
Nonstop11h 10m
British Airways
Fri 8/520:55
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 15/3£375
Wed 17/610:50
LGW
-
LAX
Nonstop11h 20m
Norse Atlantic UK
Sun 19/716:30
LAX
-
LGW
Nonstop10h 25m
Norse Atlantic UK
Deal found 15/3£376
Tue 23/608:00
LHR
-
LAX
1 stop18h 20m
United Airlines
Mon 6/706:00
LAX
-
LHR
1 stop15h 55m
United Airlines
Deal found 15/3£377
Thu 14/515:05
LHR
-
LAX
Nonstop11h 15m
British Airways
Wed 27/517:05
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 17/3£379
Thu 18/610:20
LGW
-
LAX
Nonstop11h 15m
Norse Atlantic UK
Wed 15/716:30
LAX
-
LGW
Nonstop10h 25m
Norse Atlantic UK
Deal found 17/3£379
Fri 3/708:30
LHR
-
LAX
1 stop14h 58m
Air Canada
Sat 25/708:15
LAX
-
LHR
1 stop17h 45m
Air Canada
Deal found 17/3£380
Thu 14/510:20
LHR
-
LAX
1 stop14h 50m
Finnair
Mon 1/618:50
LAX
-
LHR
1 stop17h 50m
Finnair
Deal found 17/3£385
Thu 18/610:20
LGW
-
LAX
Nonstop11h 15m
Norse Atlantic UK
Thu 16/716:30
LAX
-
LGW
Nonstop10h 25m
Norse Atlantic UK
Deal found 15/3£389

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 18 March 2026.

Round-trip from

£365

One-way from

£341

Popular in

December

Cheapest in

September

Average price

£463
Norse Atlantic UK
  • Norse Atlantic UK
  • 18/6-12/7
  • Nonstop
  • 21h 40m total
  • London to Carlsbad
Search Deals
SWISS
  • SWISS
  • 5/9
  • 1 total stop
  • 15h 30m total
  • London to Carlsbad
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£24 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 March 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 18 March 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

Wed 6/5

08:40-16:30

1 stop15h 50m

Los Angeles Los Angeles

Sun 10/5

05:00-09:40

1 stop20h 40m

£444

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 16/4

12:00-18:25

1 stop14h 25m

Los Angeles Los Angeles

Mon 20/4

20:20-15:05

Nonstop10h 45m

£459

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 13/4

15:05-21:29

1 stop14h 24m

Los Angeles Los Angeles

Sun 26/4

09:15-07:25

1 stop14h 10m

£472

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 5/9

06:40-16:50

1 stop18h 10m

Los Angeles Los Angeles

Mon 7/9

19:10-21:35

2 stops18h 25m

£479
Fastest return journey

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 10/4

13:05-16:15

Nonstop11h 10m

Los Angeles Los Angeles

Wed 22/4

15:30-10:10

Nonstop10h 40m

£482

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 31/3

13:40-23:44

1 stop18h 04m

Los Angeles Los Angeles

Thu 16/4

15:30-10:10

Nonstop10h 40m

£488

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 14/5

20:05-16:30

1 stop28h 25m

Los Angeles Los Angeles

Wed 27/5

12:46-16:25

2 stops19h 39m

£491

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 18/6

10:20-17:10

1 stop14h 50m

Los Angeles Los Angeles

Sun 12/7

18:10-12:45

Nonstop10h 35m

£492

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Sat 2/5

10:25-18:35

1 stop16h 10m

Los Angeles Los Angeles

Thu 7/5

18:00-16:00

1 stop14h 00m

£500

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 13/4

10:45-18:14

1 stop15h 29m

Los Angeles Los Angeles

Thu 23/4

18:37-17:30

1 stop14h 53m

£503

Flights are sorted by cheapest return flights first.

Deals found on 14/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 13 March 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 £240). Flying from London to Carlsbad in July is currently the most expensive (average of £389). 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 18 March 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 18 March 2026.

The most flights from LON to C4D are scheduled on a Monday (50 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (39 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 18 March 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
7.8
Good
1,473 reviews
Check prices

Food

7.3

Comfort

7.6

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

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
7.8
Good
1,473 reviews
KLM
7.8
Good
1,473 reviews
Check prices

Food

7.3

Comfort

7.6

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

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
682 reviews
KLM
7.8
Good
1,473 reviews
Check prices

Food

7.3

Comfort

7.6

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

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
7.8
Good
1,473 reviews
Check prices

Food

7.3

Comfort

7.6

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

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
7,858 reviews
KLM
7.8
Good
1,473 reviews
Check prices

Food

7.3

Comfort

7.6

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

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
7,799 reviews
KLM
7.8
Good
1,473 reviews
Check prices

Food

7.3

Comfort

7.6

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

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, British Airways, and Scandinavian Airlines fly from London to Carlsbad in about 14h 25m. The time it takes to get you to your destination can typically vary by up to 3h 45m. 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?

    £165 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 £171 and £246, respectively.

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

    Most travelers choose London Heathrow - Los Angeles Los Angeles, London Stansted - Los Angeles Los Angeles or London Gatwick - 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 SriLankan Airlines (97%), Fiji Airways (90%) or Malaysia Airlines (90%) 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 £2,791 for a flight from London to Carlsbad. The cheapest flight overall is £372 while the most popular route, (London Heathrow - Los Angeles Los Angeles) is currently priced at £401.

  • 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 £240). Flying from London to Carlsbad in July is currently the most expensive (average of £389). 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 18 March 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£240Average£554FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Norse Atlantic UKCheapest£272Average£509FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£279Average£548FlexibilityNo cancel feeOn-time79%
Search SWISS flights
DeltaCheapest£310Average£527FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Brussels AirlinesCheapest£335Average£457FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Aer LingusCheapest£336Average£778FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Scandinavian AirlinesCheapest£341Average£463FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£341Average£538FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£347Average£517FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Austrian AirlinesCheapest£353Average£482FlexibilityNo 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 Carlsbad?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Carlsbad from London today with Cheapflights!

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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