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Cheap flights from London to Carlsbad, California from £429

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 26/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
27 Jul — 3 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Carlsbad are usually found in September or February, booked 81 days in advance, depart on a Friday or Thursday 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 27 June 2026.

Sat 4/709:30
LHR
-
LAX
1 stop17h 12m
Austrian Airlines
Sat 11/715:35
LAX
-
LHR
Nonstop10h 35m
Austrian Airlines
Deal found 27/6£456
Fri 4/915:25
LGW
-
LAX
2 stops29h 40m
Multiple Airlines
Sun 13/919:35
LAX
-
LGW
2 stops19h 50m
Multiple Airlines
Deal found 26/6£457
Thu 17/912:45
LTN
-
LAX
2 stops32h 25m
Multiple Airlines
Thu 24/918:40
LAX
-
LTN
2 stops20h 20m
Multiple Airlines
Deal found 26/6£457
Mon 24/814:05
LHR
-
LAX
1 stop15h 30m
Lufthansa
Wed 2/912:40
LAX
-
LHR
2 stops24h 40m
Lufthansa
Deal found 25/6£457
Thu 2/710:05
LHR
-
LAX
1 stop15h 40m
Finnair
Mon 13/713:25
LAX
-
LHR
1 stop14h 50m
Finnair
Deal found 25/6£459
Wed 25/1116:45
LGW
-
LAX
1 stop28h 15m
Virgin Atlantic
Mon 30/1117:15
LAX
-
LGW
1 stop14h 30m
Virgin Atlantic
Deal found 26/6£459
Sat 4/709:15
LHR
-
LAX
1 stop15h 22m
American Airlines
Sun 19/718:10
LAX
-
LHR
Nonstop10h 35m
American Airlines
Deal found 25/6£460
Wed 21/1009:15
LCY
-
LAX
1 stop15h 05m
Lufthansa
Mon 26/1016:00
LAX
-
LCY
1 stop18h 40m
Lufthansa
Deal found 26/6£460
Fri 2/1008:20
LHR
-
LAX
Nonstop11h 10m
Iberia
Sun 11/1018:05
LAX
-
LHR
Nonstop10h 40m
Iberia
Deal found 26/6£460
Fri 10/706:00
LHR
-
LAX
1 stop18h 30m
Multiple Airlines
Mon 13/715:35
LAX
-
LHR
Nonstop10h 35m
Multiple Airlines
Deal found 26/6£461
Thu 27/809:25
LGW
-
LAX
1 stop15h 05m
SWISS
Mon 31/819:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 25/6£461
Mon 9/1106:35
LHR
-
LAX
1 stop16h 40m
Lufthansa
Sat 14/1114:12
LAX
-
LHR
1 stop13h 48m
Lufthansa
Deal found 26/6£462

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 27 June 2026.

Round-trip from

£457

One-way from

£429

Popular in

December

Cheapest in

September

Average price

£552
4/9-13/9
  • 4/9-13/9
  • 4 total stops
  • 49h 30m total
  • London to Carlsbad
Search Deals
26/9
  • 26/9
  • 3 total stops
  • 32h 10m total
  • London to Carlsbad
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£11 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 June 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 27 June 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

LGW - LAX

LGWLAX

London Gatwick

Thu 10/9

09:25-16:30

1 stop15h 05m

Los Angeles

Fri 18/9

11:15-17:50

2 stops22h 35m

£479

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 7/7

10:00-21:26

1 stop19h 26m

Los Angeles

Fri 21/8

14:29-12:25

1 stop13h 56m

£484

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Fri 16/10

11:30-22:49

2 stops19h 19m

Los Angeles

Tue 20/10

17:50-20:00

1 stop18h 10m

£507
Fastest return journey

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 25/7

18:15-21:25

Nonstop11h 10m

Los Angeles

Tue 4/8

20:35-15:00

Nonstop10h 25m

£510

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 9/11

07:05-17:00

2 stops17h 55m

Los Angeles

Sat 14/11

19:30-08:55

2 stops29h 25m

£510

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 16/10

15:05-21:35

1 stop14h 30m

Los Angeles

Tue 20/10

10:55-12:25

1 stop17h 30m

£512

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Sun 6/9

09:05-16:30

1 stop15h 25m

Los Angeles

Tue 8/12

19:10-17:50

1 stop14h 40m

£514

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 30/10

09:00-17:35

1 stop15h 35m

Los Angeles

Tue 3/11

23:00-20:35

1 stop13h 35m

£515

LondonLos Angeles

LTN - LAX

LTNLAX

London Luton

Sun 30/8

18:15-14:45

2 stops28h 30m

Los Angeles

Mon 7/9

18:25-23:00

2 stops20h 35m

£516

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Mon 5/10

10:25-18:44

1 stop16h 19m

Los Angeles

Sun 11/10

15:15-16:00

1 stop16h 45m

£517

Flights are sorted by cheapest return flights first.

Deals found on 26/6

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

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 27 June 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 27 June 2026.

The most flights from LON to C4D are scheduled on a Monday (53 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (45 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 27 June 2026.
Read reviews from past customers who have flown with Virgin Atlantic,United Airlines, 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.
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Comfort

7.3

Overall

7.5

Boarding

7.7

Food

6.9

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
690 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Comfort

7.3

Overall

7.5

Boarding

7.7

Food

6.9

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
United Airlines
7.4
Good
9,896 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Comfort

7.3

Overall

7.5

Boarding

7.7

Food

6.9

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Norse Atlantic UK
7.2
Good
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Comfort

7.3

Overall

7.5

Boarding

7.7

Food

6.9

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Lufthansa
6.8
Okay
8,103 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Comfort

7.3

Overall

7.5

Boarding

7.7

Food

6.9

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,073 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Comfort

7.3

Overall

7.5

Boarding

7.7

Food

6.9

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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 SWISS, United Airlines, and British Airways fly from London to Carlsbad in about 15h 05m. The time it takes to get you to your destination can typically vary by up to 4h 21m. There are 5463 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?

    £173 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Norse Atlantic UK and TAP AIR PORTUGAL, with prices starting from £193 and £251, respectively.

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

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

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

    Consider Malaysia Airlines (94%), Royal Jordanian (89%) or KLM (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 £2,202 for a flight from London to Carlsbad. The cheapest flight overall is £326 while the most popular route, (London Heathrow - Los Angeles) is currently priced at £139.

  • 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.

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 27 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£259Average£513FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£301Average£443FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£326Average£439FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£338Average£715FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£342Average£559FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Virgin AtlanticCheapest£345Average£518FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
TAP AIR PORTUGALCheapest£358Average£489FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Brussels AirlinesCheapest£359Average£481FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Austrian AirlinesCheapest£364Average£494FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
KLMCheapest£366Average£685FlexibilityNo cancel feeOn-time75%
Search KLM 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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