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Cheap flights from London to Carlsbad, California from £411

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
17 Jun — 24 Jun1
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 Friday or Wednesday 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 May 2026.

Sat 4/710:55
LHR
-
LAX
1 stop15h 15m
Virgin Atlantic
Fri 17/720:35
LAX
-
LHR
Nonstop10h 25m
Virgin Atlantic
Deal found 16/5£475
Fri 11/910:25
LGW
-
LAX
1 stop16h 15m
Virgin Atlantic
Mon 21/918:25
LAX
-
LGW
1 stop13h 35m
Virgin Atlantic
Deal found 15/5£475
Fri 7/817:45
LHR
-
LAX
1 stop14h 50m
Virgin Atlantic
Mon 17/808:20
LAX
-
LHR
1 stop14h 05m
Virgin Atlantic
Deal found 17/5£475
Mon 14/910:45
LGW
-
LAX
1 stop18h 53m
American Airlines
Wed 30/911:28
LAX
-
LGW
1 stop15h 12m
American Airlines
Deal found 15/5£475
Fri 28/819:15
LHR
-
LAX
1 stop24h 35m
Virgin Atlantic
Fri 25/915:50
LAX
-
LHR
Nonstop10h 25m
Virgin Atlantic
Deal found 14/5£476
Wed 19/810:20
LHR
-
LAX
1 stop14h 50m
British Airways
Sun 23/815:15
LAX
-
LHR
1 stop22h 25m
British Airways
Deal found 18/5£477
Sun 6/906:00
LHR
-
LAX
1 stop15h 05m
Austrian Airlines
Sat 19/908:17
LAX
-
LHR
1 stop14h 38m
Austrian Airlines
Deal found 17/5£478
Mon 14/914:00
LGW
-
LAX
1 stop28h 17m
American Airlines
Mon 28/920:50
LAX
-
LGW
2 stops50h 00m
American Airlines
Deal found 15/5£478
Sat 5/907:25
LHR
-
LAX
1 stop15h 50m
Multiple Airlines
Sat 12/908:20
LAX
-
LHR
1 stop13h 35m
Multiple Airlines
Deal found 18/5£478
Tue 1/920:15
LCY
-
LAX
1 stop23h 35m
Virgin Atlantic
Tue 15/916:45
LAX
-
LCY
1 stop16h 35m
Virgin Atlantic
Deal found 15/5£479
Fri 11/906:00
LHR
-
LAX
1 stop15h 05m
Austrian Airlines
Fri 6/1118:55
LAX
-
LHR
Nonstop10h 35m
Austrian Airlines
Deal found 16/5£479
Wed 30/910:20
LHR
-
LAX
1 stop14h 50m
American Airlines
Wed 7/1018:05
LAX
-
LHR
Nonstop10h 40m
American Airlines
Deal found 14/5£480

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 May 2026.

Round-trip from

£475

One-way from

£411

Popular in

December

Cheapest in

September

Average price

£475
Virgin Atlantic
  • Virgin Atlantic
  • 4/7-17/7
  • 1 total stop
  • 25h 40m total
  • London to Carlsbad
Search Deals
Finnair
  • Finnair
  • 4/10
  • 2 total stops
  • 35h 56m total
  • London to Carlsbad
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 May 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 8/9

07:25-16:20

2 stops16h 55m

Los Angeles

Fri 18/9

14:29-12:25

1 stop13h 56m

£489

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Tue 7/7

17:00-09:49

2 stops24h 49m

Los Angeles

Tue 21/7

07:15-09:25

2 stops18h 10m

£498

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 22/8

06:30-11:50

1 stop13h 20m

Los Angeles

Tue 15/9

23:15-17:35

Nonstop10h 20m

£501

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 6/11

06:20-13:10

1 stop14h 50m

Los Angeles

Mon 9/11

22:30-16:50

Nonstop10h 20m

£502

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 4/9

07:00-16:30

2 stops17h 30m

Los Angeles

Sun 20/9

19:35-17:50

1 stop14h 15m

£502

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 7/6

18:15-21:25

Nonstop11h 10m

Los Angeles

Fri 10/7

14:00-15:35

1 stop17h 35m

£502

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 6/8

09:20-17:20

1 stop16h 00m

Los Angeles

Sun 16/8

06:00-07:10

1 stop17h 10m

£506

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 6/8

15:15-00:37

1 stop17h 22m

Los Angeles

Mon 24/8

09:50-10:00

1 stop16h 10m

£506
Fastest return journey

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 27/9

15:05-18:20

Nonstop11h 15m

Los Angeles

Thu 8/10

21:00-15:25

Nonstop10h 25m

£508

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 11/8

09:55-13:10

Nonstop11h 15m

Los Angeles

Tue 18/8

15:50-10:15

Nonstop10h 25m

£511

Flights are sorted by cheapest return flights first.

Deals found on 15/5

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 18 May 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 May 2026.

The most flights from LON to C4D are scheduled on a Monday (55 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (44 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 May 2026.
Read reviews from past customers who have flown with United Airlines,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.
United Airlines
7.4
Good
9,731 reviews
Check prices

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
United Airlines
7.4
Good
9,731 reviews
United Airlines
7.4
Good
9,731 reviews
Check prices

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Virgin Atlantic
7.4
Good
688 reviews
United Airlines
7.4
Good
9,731 reviews
Check prices

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Norse Atlantic UK
7.2
Good
United Airlines
7.4
Good
9,731 reviews
Check prices

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Lufthansa
6.8
Okay
8,010 reviews
United Airlines
7.4
Good
9,731 reviews
Check prices

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
British Airways
6.7
Okay
7,986 reviews
United Airlines
7.4
Good
9,731 reviews
Check prices

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

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, Virgin Atlantic, and Delta fly from London to Carlsbad in about 13h 20m. The time it takes to get you to your destination can typically vary by up to 11h 29m. 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?

    £170 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 £191 and £245, respectively.

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

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

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

    Consider KLM (86%), Air France (86%) or Delta (86%) 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 £2,190 for a flight from London to Carlsbad. The cheapest flight overall is £464 while the most popular route, (London Heathrow - Los Angeles) is currently priced at £378.

  • 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 18 May 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£239Average£535FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Norse Atlantic UKCheapest£261Average£491FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£293Average£546FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£322Average£423FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£334Average£766FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Brussels AirlinesCheapest£335Average£447FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
DeltaCheapest£337Average£542FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Virgin AtlanticCheapest£340Average£478FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Austrian AirlinesCheapest£351Average£479FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
TAP AIR PORTUGALCheapest£353Average£479FlexibilityNo 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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