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Cheap flights from London to Carlsbad, California from £335

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
10 May — 17 May1
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 10 April 2026.

Fri 28/806:40
LHR
-
LAX
1 stop18h 10m
Scandinavian Airlines
Sat 5/919:10
LAX
-
LHR
1 stop14h 30m
Scandinavian Airlines
Deal found 6/4£391
Fri 8/506:40
LHR
-
LAX
1 stop18h 10m
Scandinavian Airlines
Wed 2/919:10
LAX
-
LHR
1 stop18h 30m
Scandinavian Airlines
Deal found 6/4£400
Tue 2/610:30
LHR
-
LAX
Nonstop11h 15m
British Airways
Tue 9/620:55
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 9/4£401
Sat 9/506:00
LHR
-
LAX
1 stop16h 40m
TAP AIR PORTUGAL
Sat 5/916:55
LAX
-
LHR
1 stop17h 55m
TAP AIR PORTUGAL
Deal found 6/4£415
Wed 19/808:20
LHR
-
LAX
Nonstop11h 10m
American Airlines
Tue 25/811:30
LAX
-
LHR
1 stop16h 45m
American Airlines
Deal found 9/4£417
Tue 5/512:15
LHR
-
LAX
1 stop14h 53m
American Airlines
Mon 31/810:33
LAX
-
LHR
1 stop15h 57m
American Airlines
Deal found 6/4£419
Mon 4/514:45
LHR
-
LAX
1 stop16h 39m
American Airlines
Mon 31/814:59
LAX
-
LHR
1 stop13h 16m
American Airlines
Deal found 6/4£420
Sun 3/510:20
LHR
-
LAX
1 stop14h 30m
Scandinavian Airlines
Mon 31/819:10
LAX
-
LHR
1 stop14h 30m
Scandinavian Airlines
Deal found 6/4£424
Tue 18/810:30
LHR
-
LAX
Nonstop11h 15m
British Airways
Tue 25/817:05
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 9/4£425
Thu 20/811:40
LHR
-
LAX
Nonstop11h 15m
British Airways
Wed 9/915:45
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 8/4£427
Mon 17/809:15
LHR
-
LAX
1 stop17h 10m
American Airlines
Tue 25/807:00
LAX
-
LHR
1 stop15h 25m
American Airlines
Deal found 9/4£428
Sat 9/506:00
LHR
-
LAX
1 stop16h 40m
TAP AIR PORTUGAL
Fri 4/916:40
LAX
-
LHR
1 stop18h 10m
TAP AIR PORTUGAL
Deal found 6/4£430

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 10 April 2026.

Round-trip from

£391

One-way from

£335

Popular in

December

Cheapest in

September

Average price

£467
Scandinavian Airlines
  • Scandinavian Airlines
  • 28/8-5/9
  • 2 total stops
  • 32h 40m total
  • London to Carlsbad
Search Deals
LEVEL
  • LEVEL
  • 8/9
  • 1 total stop
  • 35h 35m total
  • London to Carlsbad
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 10 April 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

Thu 23/4

18:45-13:25

1 stop26h 40m

Los Angeles Los Angeles

Tue 5/5

16:45-22:55

1 stop22h 10m

£484

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 8/9

21:05-16:50

2 stops27h 45m

Los Angeles Los Angeles

Tue 29/9

19:10-21:35

2 stops18h 25m

£517

LondonLos Angeles

LTN - LAX

LTNLAX

London Luton

Tue 5/5

20:55-14:45

2 stops25h 50m

Los Angeles Los Angeles

Tue 12/5

16:45-20:10

2 stops19h 25m

£525

LondonLos Angeles

STN - LAX

STNLAX

London Stansted

Tue 5/5

21:45-14:45

2 stops25h 00m

Los Angeles Los Angeles

Tue 12/5

16:45-00:10

2 stops23h 25m

£530

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 1/5

06:30-11:50

1 stop13h 20m

Los Angeles Los Angeles

Thu 7/5

23:15-17:35

Nonstop10h 20m

£535

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 7/6

08:40-14:45

1 stop14h 05m

Los Angeles Los Angeles

Fri 10/7

19:59-17:30

1 stop13h 31m

£538

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 15/5

21:05-16:50

2 stops27h 45m

Los Angeles Los Angeles

Thu 10/9

19:10-09:35

2 stops30h 25m

£541

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 3/7

14:30-17:45

Nonstop11h 15m

Los Angeles Los Angeles

Wed 29/7

15:50-10:15

Nonstop10h 25m

£554

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Thu 23/4

10:25-18:35

1 stop16h 10m

Los Angeles Los Angeles

Wed 6/5

18:00-16:00

1 stop14h 00m

£558

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 10/5

09:55-13:10

Nonstop11h 15m

Los Angeles Los Angeles

Tue 26/5

20:35-15:00

Nonstop10h 25m

£559

Flights are sorted by cheapest return flights first.

Deals found on 5/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
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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 3 April 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 £239). Flying from London to Carlsbad in July is currently the most expensive (average of £385). 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 10 April 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 10 April 2026.

The most flights from LON to C4D are scheduled on a Monday (50 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (50 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 10 April 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
7.7
Good
1,493 reviews
Check prices

Comfort

7.6

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Crew

8.4

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
7.7
Good
1,493 reviews
KLM
7.7
Good
1,493 reviews
Check prices

Comfort

7.6

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Crew

8.4

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
685 reviews
KLM
7.7
Good
1,493 reviews
Check prices

Comfort

7.6

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Crew

8.4

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
7.7
Good
1,493 reviews
Check prices

Comfort

7.6

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Crew

8.4

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
7,905 reviews
KLM
7.7
Good
1,493 reviews
Check prices

Comfort

7.6

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Crew

8.4

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
7,869 reviews
KLM
7.7
Good
1,493 reviews
Check prices

Comfort

7.6

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Crew

8.4

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 TAP AIR PORTUGAL, Scandinavian Airlines, 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 14h 25m. 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?

    £164 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 £170 and £245, 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 Royal Jordanian (93%), Malaysia Airlines (89%) or SriLankan Airlines (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 £2,735 for a flight from London to Carlsbad. The cheapest flight overall is £391 while the most popular route, (London Heathrow - Los Angeles Los Angeles) is currently priced at £408.

  • 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 £239). Flying from London to Carlsbad in July is currently the most expensive (average of £385). 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 10 April 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£238Average£533FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Norse Atlantic UKCheapest£270Average£494FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£277Average£545FlexibilityNo cancel feeOn-time79%
Search SWISS flights
DeltaCheapest£308Average£522FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Scandinavian AirlinesCheapest£332Average£454FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£334Average£767FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Brussels AirlinesCheapest£334Average£455FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Virgin AtlanticCheapest£339Average£500FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£345Average£507FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£346Average£478FlexibilityNo 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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