Cheap flights from London to Carlsbad from £234

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
3 Sep — 10 Sep1
1 adult

Cheapflights Tip: The best prices from London to Carlsbad are usually found in September or February, booked 55 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from London to Carlsbad

Keep the following information in mind while searching for London to Carlsbad flight deals. Data was last updated 29 August 2025.

Round-trip from

£369

One-way from

£234

Popular in

December

Cheapest in

September

Average price

£576
Virgin Atlantic
  • Virgin Atlantic
  • 16/9-25/9
  • Nonstop
  • 21h 50m total
  • London to Carlsbad
LEVEL
  • LEVEL
  • 3/12
  • 1 total stop
  • 32h 20m total
  • London to Carlsbad
Highest demand for flights based on searches. 3% potential increase in price (£12 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from London to Carlsbad

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 29 August 2025.

Tue 16/909:55LHR - LAX
Nonstop11h 20mVirgin Atlantic
Thu 25/920:05LAX - LHR
Nonstop10h 30mVirgin Atlantic
Deal found 28/8£369
Sun 31/810:55LGW - LAX
Nonstop11h 15mNorse Atlantic UK
Thu 11/916:30LAX - LGW
Nonstop10h 25mNorse Atlantic UK
Deal found 28/8£369
Thu 4/906:30LHR - LAX
1 stop14h 30mUnited Airlines
Mon 15/916:13LAX - LHR
1 stop12h 07mUnited Airlines
Deal found 28/8£369
Fri 5/910:55LGW - LAX
Nonstop11h 15mNorse Atlantic UK
Wed 17/916:30LAX - LGW
Nonstop10h 25mNorse Atlantic UK
Deal found 28/8£369
Thu 11/908:40LHR - LAX
2 stops19h 00mAir Canada
Sat 27/912:05LAX - LHR
1 stop13h 30mAir Canada
Deal found 28/8£370
Fri 12/908:40LHR - LAX
1 stop15h 50mMultiple Airlines
Sat 20/916:40LAX - LHR
Nonstop10h 30mMultiple Airlines
Deal found 27/8£371
Wed 17/910:55LGW - LAX
Nonstop11h 15mNorse Atlantic UK
Mon 29/915:05LAX - LGW
Nonstop10h 25mNorse Atlantic UK
Deal found 27/8£371
Sat 6/917:30LHR - LAX
Nonstop11h 15mVirgin Atlantic
Mon 22/922:50LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 27/8£372
Sat 20/919:50LHR - LAX
1 stop26h 35mTAP AIR PORTUGAL
Fri 3/1016:40LAX - LHR
1 stop17h 05mTAP AIR PORTUGAL
Deal found 27/8£372
Sat 20/908:30LHR - LAX
1 stop16h 25mUnited Airlines
Fri 3/1008:05LAX - LHR
1 stop17h 30mUnited Airlines
Deal found 28/8£373
Fri 29/810:55LGW - LAX
Nonstop11h 15mNorse Atlantic UK
Fri 5/916:30LAX - LGW
Nonstop10h 25mNorse Atlantic UK
Deal found 28/8£373
Sun 14/906:30LHR - LAX
1 stop14h 30mMultiple Airlines
Wed 24/916:40LAX - LHR
Nonstop10h 30mMultiple Airlines
Deal found 28/8£374

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 29 August 2025.
Use the filters below to find and compare flights from London to Carlsbad that are best for you.

Fly from

London

Fly to

Carlsbad

Route

Depart

Return

Price

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Sat 20/9

16:30-14:25

1 stop29h 55m

Los Angeles

Fri 3/10

16:40-15:40

1 stop15h 00m

£369

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 11/9

08:40-19:40

2 stops19h 00m

Los Angeles

Sat 27/9

12:05-09:35

1 stop13h 30m

£370

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 28/9

09:50-18:25

1 stop16h 35m

Los Angeles

Sat 11/10

20:15-20:20

1 stop16h 05m

£370

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 11/2

06:30-13:05

1 stop14h 35m

Los Angeles

Tue 24/2

08:45-07:10

1 stop14h 25m

£370

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Wed 1/10

10:55-14:10

Nonstop11h 15m

Los Angeles

Sun 12/10

16:30-10:55

Nonstop10h 25m

£371

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Wed 17/9

10:55-14:10

Nonstop11h 15m

Los Angeles

Mon 29/9

15:05-09:30

Nonstop10h 25m

£371

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 22/2

09:00-16:35

1 stop15h 35m

Los Angeles

Wed 25/3

08:45-06:20

1 stop14h 35m

£372

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 2/2

07:40-15:15

1 stop15h 35m

Los Angeles

Fri 6/2

19:00-13:30

Nonstop10h 30m

£373

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 13/9

07:25-15:15

1 stop15h 50m

Los Angeles

Fri 19/9

06:00-07:25

1 stop17h 25m

£373

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 19/10

06:00-14:25

1 stop16h 25m

Los Angeles

Sat 25/10

16:40-22:35

1 stop21h 55m

£373

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 60 results
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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 22 August 2025.

The best time to book flights from London to Carlsbad is 55 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, January is the cheapest month in which you can book a flight from London to Carlsbad (average of £575). Flying from London to Carlsbad in July is currently the most expensive (average of £811). 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 29 August 2025.

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.

What is the cheapest day to fly from London to Carlsbad?

Use this chart to determine the cheapest time to fly return from London to Carlsbad. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Carlsbad flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 29 August 2025.

The most flights from LON to C4D are scheduled on a Wednesday (54 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (46 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 29 August 2025.
Read reviews from past customers who have flown with Finnair, 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.

Overall

7.6

Entertainment

6.9

Food

6.7

Comfort

7.5

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Entertainment

6.9

Food

6.7

Comfort

7.5

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Entertainment

6.9

Food

6.7

Comfort

7.5

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Norse Atlantic UK
7.2
Good

Overall

7.6

Entertainment

6.9

Food

6.7

Comfort

7.5

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Entertainment

6.9

Food

6.7

Comfort

7.5

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Entertainment

6.9

Food

6.7

Comfort

7.5

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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 TAP AIR PORTUGAL, Air Canada, and Aer Lingus fly from London to Carlsbad in about 16h 35m. The time it takes to get you to your destination can typically vary by up to 13h 20m. 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 most popular routes from London to Carlsbad?

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

    Consider Aeromexico (86%), KLM (82%) or Air France (82%) 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 £2,533 for a flight from London to Carlsbad. The cheapest flight overall is £399 while the most popular route, (London Heathrow - Los Angeles) is currently priced at £290.

  • 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, January is the cheapest month in which you can book a flight from London to Carlsbad (average of £575). Flying from London to Carlsbad in July is currently the most expensive (average of £811). 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.

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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£278Average£489FlexibilityNo cancel feeOn-time76%
Search Finnair flights
SWISSCheapest£290Average£494FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Norse Atlantic UKCheapest£295Average£513FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
DeltaCheapest£334Average£537FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
KLMCheapest£344Average£541FlexibilityNo cancel feeOn-time75%
Search KLM flights
Scandinavian AirlinesCheapest£345Average£481FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Brussels AirlinesCheapest£352Average£475FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Air FranceCheapest£352Average£440FlexibilityNo cancel feeOn-time77%
Search Air France flights
Aer LingusCheapest£353Average£607FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Austrian AirlinesCheapest£354Average£471FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from London to Carlsbad?

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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.

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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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