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Cheap flights from London to Carlsbad, California from £375

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
31 Aug — 7 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Carlsbad are usually found in February or September, booked 41 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 1 August 2026.

Sat 5/906:55
LHR
-
LAX
1 stop16h 20m
Lufthansa
Sat 26/915:40
LAX
-
LHR
Nonstop10h 30m
Lufthansa
Deal found 30/7£435
Tue 24/1108:35
LGW
-
LAX
2 stops21h 04m
Multiple Airlines
Thu 26/1112:15
LAX
-
LGW
2 stops21h 35m
Multiple Airlines
Deal found 30/7£435
Fri 9/1007:25
LHR
-
LAX
1 stop15h 50m
United Airlines
Tue 13/1015:40
LAX
-
LHR
Nonstop10h 30m
United Airlines
Deal found 31/7£435
Fri 4/918:40
LGW
-
LAX
1 stop29h 50m
SWISS
Tue 1/1219:10
LAX
-
LGW
1 stop14h 40m
SWISS
Deal found 29/7£435
Wed 21/1008:40
LHR
-
LAX
1 stop15h 50m
Multiple Airlines
Fri 6/1118:55
LAX
-
LHR
Nonstop10h 35m
Multiple Airlines
Deal found 29/7£436
Thu 24/914:50
LGW
-
LAX
1 stop31h 45m
TAP AIR PORTUGAL
Sun 27/916:40
LAX
-
LGW
1 stop33h 05m
TAP AIR PORTUGAL
Deal found 31/7£436
Wed 21/1008:40
LHR
-
LAX
1 stop15h 50m
United Airlines
Sat 31/1010:55
LAX
-
LHR
1 stop13h 30m
United Airlines
Deal found 30/7£437
Mon 21/916:25
LGW
-
LAX
1 stop30h 20m
TAP AIR PORTUGAL
Tue 29/916:45
LAX
-
LGW
1 stop33h 00m
TAP AIR PORTUGAL
Deal found 29/7£437
Fri 4/906:55
LHR
-
LAX
1 stop16h 20m
Lufthansa
Fri 25/914:19
LAX
-
LHR
1 stop13h 36m
Lufthansa
Deal found 31/7£438
Tue 1/909:25
LGW
-
LAX
1 stop15h 05m
SWISS
Mon 14/919:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 29/7£438
Wed 21/1008:40
LHR
-
LAX
1 stop15h 50m
Multiple Airlines
Thu 3/1218:55
LAX
-
LHR
Nonstop10h 35m
Multiple Airlines
Deal found 27/7£438
Fri 28/806:00
LHR
-
LAX
1 stop15h 05m
Austrian Airlines
Fri 25/915:40
LAX
-
LHR
Nonstop10h 30m
Austrian Airlines
Deal found 29/7£439

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 1 August 2026.

Round-trip from

£435

One-way from

£375

Popular in

December

Cheapest in

February

Average price

£528
Lufthansa
  • Lufthansa
  • 5/9-26/9
  • 1 total stop
  • 26h 50m total
  • London to Carlsbad
Search Deals
Lufthansa
  • Lufthansa
  • 9/9
  • 2 total stops
  • 19h 03m total
  • London to Carlsbad
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 1 August 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

Tue 1/12

09:00-16:35

1 stop15h 35m

Los Angeles Los Angeles

Mon 7/12

10:15-11:15

1 stop17h 00m

£436

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 8/10

07:30-16:20

1 stop16h 50m

Los Angeles Los Angeles

Thu 22/10

12:55-09:40

1 stop12h 45m

£439

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 2/10

09:30-16:20

1 stop14h 50m

Los Angeles Los Angeles

Thu 15/10

09:25-07:25

1 stop14h 00m

£442

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 24/9

06:00-13:05

1 stop15h 05m

Los Angeles Los Angeles

Sun 27/9

15:40-10:10

Nonstop10h 30m

£447

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 7/9

06:55-15:15

1 stop16h 20m

Los Angeles Los Angeles

Mon 21/9

15:40-10:10

Nonstop10h 30m

£450

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 11/9

06:00-13:05

1 stop15h 05m

Los Angeles Los Angeles

Fri 18/9

15:40-10:10

Nonstop10h 30m

£454

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 3/10

13:05-16:25

Nonstop11h 20m

Los Angeles Los Angeles

Fri 13/11

13:05-11:15

1 stop14h 10m

£462
Fastest return journey

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 27/8

13:05-16:10

Nonstop11h 05m

Los Angeles Los Angeles

Wed 9/9

15:40-10:10

Nonstop10h 30m

£473

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 25/8

16:55-20:20

Nonstop11h 25m

Los Angeles Los Angeles

Mon 31/8

16:30-11:05

Nonstop10h 35m

£474

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 13/9

08:20-11:45

Nonstop11h 25m

Los Angeles Los Angeles

Sun 20/9

10:25-07:40

1 stop13h 15m

£475

Flights are sorted by cheapest return flights first.

Deals found on 31/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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 1 August 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 1 August 2026.

The most flights from LON to C4D are scheduled on a Monday (51 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (51 on average).

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

Airfare is below average for this route at the moment.
London to Carlsbad flights typically cost between £454 and £617 in September.
The cheapest return price found within the last 5 days was £435 on Lufthansa (5 Sept–26 Sept).

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 1 August 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
694 reviews
Check prices

Boarding

7.7

Overall

7.5

Entertainment

7.5

Crew

8.1

Comfort

7.3

Food

6.9

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
694 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Boarding

7.7

Overall

7.5

Entertainment

7.5

Crew

8.1

Comfort

7.3

Food

6.9

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
10,063 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Boarding

7.7

Overall

7.5

Entertainment

7.5

Crew

8.1

Comfort

7.3

Food

6.9

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
694 reviews
Check prices

Boarding

7.7

Overall

7.5

Entertainment

7.5

Crew

8.1

Comfort

7.3

Food

6.9

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
8,168 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Boarding

7.7

Overall

7.5

Entertainment

7.5

Crew

8.1

Comfort

7.3

Food

6.9

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
8,136 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Boarding

7.7

Overall

7.5

Entertainment

7.5

Crew

8.1

Comfort

7.3

Food

6.9

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 United Airlines, Austrian 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 1h 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?

    £169 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 £190 and £246, 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 SAUDIA (100%), Royal Jordanian (94%) or Air Canada (92%) 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 £2,176 for a flight from London to Carlsbad. The cheapest flight overall is £309 while the most popular route, (London Heathrow - Los Angeles Los Angeles) is currently priced at £349.

  • 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 1 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£294Average£541FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
United AirlinesCheapest£303Average£530FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£332Average£682FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£338Average£491FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Scandinavian AirlinesCheapest£339Average£462FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
DeltaCheapest£339Average£584FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Brussels AirlinesCheapest£345Average£469FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
SWISSCheapest£346Average£500FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Austrian AirlinesCheapest£351Average£485FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
TAP AIR PORTUGALCheapest£352Average£481FlexibilityNo 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?

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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