How often are flights from Klagenfurt to London delayed?

Historically, on average around 29% of flights between Klagenfurt and London have experienced a delay on any given week. The average delay length over the past 12 months has been 106 minutes.

What is the cheapest airline that flies from Klagenfurt to London?

Ryanair, Austrian Airlines, and Lufthansa are the most popular carriers operating from Klagenfurt to London

What is the most punctual flight time for Klagenfurt to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Klagenfurt to London flights?

According to our data, Ryanair have had the fewest delays on this route over the last 12 months, with about 29% of their flights experiencing any sort of delay.

When did momondo last update prices for flights from Klagenfurt Airport to London?

Prices for flights from Klagenfurt Airport to London are updated daily.

How old do you have to be to fly from Klagenfurt Airport to London?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Klagenfurt Airport to London.

What documentation or ID do you need to fly to London?

The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£15 Cheap Flights from Klagenfurt to London in 2026

Q: What is the typical price of a round-trip flight between Klagenfurt and London?

Prices are currently low for flights on this route. Typical prices usually range from £139 to £60. The lowest price recently found on this route was £36.

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Find the cheapest flights from Klagenfurt to London

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Enter your travel dates to find the best prices.

11:55 - 13:00

KLU

STN

2h 05mdirect

08:10 - 11:15

STN

KLU

2h 05mdirect

£36Ryanair

Sat, 18 Apr - Sat, 25 Apr

16:05 - 17:10

KLU

STN

2h 05mdirect

08:10 - 11:15

STN

KLU

2h 05mdirect

£37Ryanair

Wed, 6 May - Sat, 9 May

11:55 - 13:00

KLU

STN

2h 05mdirect

12:25 - 15:30

STN

KLU

2h 05mdirect

£37Ryanair

Sat, 2 May - Wed, 6 May

11:55 - 13:00

KLU

STN

2h 05mdirect

12:25 - 15:30

STN

KLU

2h 05mdirect

£43Ryanair

Sat, 9 May - Wed, 13 May

15:15 - 09:20

KLU

LGW

19h 05m

2 stops

07:00 - 14:40

LGW

KLU

6h 40m

1 stop

£117Multiple Airlines

Tue, 5 May - Tue, 12 May

15:15 - 11:50

KLU

LGW

21h 35m

2 stops

06:30 - 21:45

LGW

KLU

14h 15m

1 stop

£119Multiple Airlines

Tue, 14 Apr - Fri, 17 Apr

15:00 - 21:40

KLU

LHR

7h 40m

1 stop

06:00 - 10:30

LHR

KLU

3h 30m

1 stop

£174Austrian Airlines

Wed, 6 May - Wed, 13 May

15:00 - 21:40

KLU

LHR

7h 40m

1 stop

06:00 - 14:00

LHR

KLU

7h 00m

1 stop

£175Austrian Airlines

Tue, 14 Apr - Sat, 18 Apr

15:00 - 08:40

KLU

LCY

18h 40m

2 stops

09:15 - 23:20

LCY

KLU

13h 05m

2 stops

£295Lufthansa

Wed, 6 May - Wed, 13 May

15:00 - 08:40

KLU

LCY

18h 40m

2 stops

09:15 - 10:30

LCY

KLU

24h 15m

2 stops

£302Lufthansa

Wed, 6 May - Fri, 15 May

Austrian Airlines flights from Klagenfurt to London

Our best Austrian Airlines deals on Klagenfurt to London flight tickets

Austrian Airlines

14 Apr

KLU15:00Klagenfurt

7h 40m

1 stop

LHR21:40London Heathrow

18 Apr

LHR06:00London Heathrow

7h 00m

1 stop

KLU14:00Klagenfurt

£175

Austrian Airlines

24 Apr

KLU17:45Klagenfurt

4h 55m

1 stop

LHR21:40London Heathrow

27 Apr

LHR06:00London Heathrow

10h 05m

1 stop

KLU17:05Klagenfurt

£175

Austrian Airlines

25 Apr

KLU05:50Klagenfurt

16h 50m

1 stop

LHR21:40London Heathrow

26 Apr

LHR06:00London Heathrow

3h 30m

1 stop

KLU10:30Klagenfurt

£176

Lufthansa flights from Klagenfurt to London

Our best Lufthansa deals on Klagenfurt to London flight tickets

Lufthansa

14 Apr

KLU15:00Klagenfurt

8h 40m

2 stops

LHR22:40London Heathrow

18 Apr

LHR07:25London Heathrow

5h 35m

2 stops

KLU14:00Klagenfurt

£206

Lufthansa

10 Jun

KLU15:00Klagenfurt

6h 45m

2 stops

LHR20:45London Heathrow

14 Jun

LHR07:25London Heathrow

5h 35m

2 stops

KLU14:00Klagenfurt

£211

Lufthansa

18 Apr

KLU15:00Klagenfurt

6h 45m

2 stops

LHR20:45London Heathrow

22 Apr

LHR07:25London Heathrow

5h 35m

2 stops

KLU14:00Klagenfurt

£215

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Sat 18/4

11:55-13:00

Nonstop2h 05m

London Stansted

Sat 25/4

08:10-11:15

Nonstop2h 05m

£36

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Wed 6/5

16:05-17:10

Nonstop2h 05m

London Stansted

Sat 9/5

08:10-11:15

Nonstop2h 05m

£37

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Sat 2/5

11:55-13:00

Nonstop2h 05m

London Stansted

Wed 6/5

12:25-15:30

Nonstop2h 05m

£37

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Sat 9/5

11:55-13:00

Nonstop2h 05m

London Stansted

Wed 13/5

12:25-15:30

Nonstop2h 05m

£43

KlagenfurtLondon

KLU - LGW

KLULGW

Klagenfurt

Tue 5/5

15:15-09:20

2 stops19h 05m

London Gatwick

Tue 12/5

07:00-14:40

1 stop6h 40m

£117

KlagenfurtLondon

KLU - LGW

KLULGW

Klagenfurt

Tue 14/4

15:15-11:50

2 stops21h 35m

London Gatwick

Fri 17/4

06:30-21:45

1 stop14h 15m

£119

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Wed 6/5

15:00-21:40

1 stop7h 40m

London Heathrow

Wed 13/5

06:00-10:30

1 stop3h 30m

£174

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Tue 14/4

15:00-21:40

1 stop7h 40m

London Heathrow

Sat 18/4

06:00-14:00

1 stop7h 00m

£175

KlagenfurtLondon

KLU - LCY

KLULCY

Klagenfurt

Wed 6/5

15:00-08:40

2 stops18h 40m

London City

Wed 13/5

09:15-23:20

2 stops13h 05m

£295

KlagenfurtLondon

KLU - LCY

KLULCY

Klagenfurt

Wed 6/5

15:00-08:40

2 stops18h 40m

London City

Fri 15/5

09:15-10:30

2 stops24h 15m

£302

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Klagenfurt to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

What is the typical price of a round-trip flight between Klagenfurt and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Klagenfurt is in January. Flight prices, which tend to average around £41, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Klagenfurt averaging around £48.

What is the cheapest Klagenfurt to London flight route?

Fly from Klagenfurt to London Stansted for the best Klagenfurt - London flight prices

What cabin class options are available on Klagenfurt to London flights?

There is only 1 cabin class available to choose from on Klagenfurt to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Klagenfurt to London flights?

No. A direct flight is the cheapest option for a flight between Klagenfurt to London.

How have Klagenfurt to London flight prices changed over time?

As of March 2026, prices for Klagenfurt to London flights are approximately 45% more expensive when compared to flights at the same time last year.

When to book flights from Klagenfurt to London

Are you open to changing your travel dates? Check out the ideal times to fly from Klagenfurt to London according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Klagenfurt to London (KLU to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Klagenfurt to London

Fastest flight time	2h 05m
Direct flights	Tue, Thu and Sun
Airports in London	6 airports

The fastest flight from Klagenfurt to London takes 2h 05m

Direct flights go from Klagenfurt to London on Tuesday, Thursday and Sunday. There are no airlines offering direct flights..

There are 6 airports in London. From Klagenfurt there are direct flights to London Stansted (STN).

Search flight deals

How far is Klagenfurt to London by plane?
There are 732.8 mi between Klagenfurt and London. By plane, this route typically takes 2h 05m.
When did momondo last update prices for flights from Klagenfurt Airport to London?
Prices for flights from Klagenfurt Airport to London are updated daily.
How old do you have to be to fly from Klagenfurt Airport to London?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Klagenfurt Airport to London.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Klagenfurt to London?
momondo data reveals that the most frequently booked plane model on the route from Klagenfurt to London is Boeing 737-800 Passenger/BBJ2 (winglets), representing 68.05% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 27.07%, Airbus A320-100/200 at 2.63%, and Airbus A320neo at 0.56%.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Ipswich

Wembley

Canterbury

Ilford

Guildford

Hayes

Chelmsford

Dover

Folkestone

Ramsgate

Chichester

Bedford

Worthing

Why use momondo?

Why should I use momondo to find a flight deal from Klagenfurt to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Klagenfurt to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Klagenfurt to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Klagenfurt which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Klagenfurt to London?

momondo provides multiple filters to help you find the best flight to London from Klagenfurt. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Klagenfurt to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Klagenfurt to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Klagenfurt to London from £15

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Klagenfurt to London departing on 29/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Austrian Airlines flights from Klagenfurt to London

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How to get the cheapest flight ticket from Klagenfurt to London

What is the typical price of a round-trip flight between Klagenfurt and London?

What is the cheapest month to fly to London?

What is the cheapest Klagenfurt to London flight route?

What cabin class options are available on Klagenfurt to London flights?

Can stopping save me money on Klagenfurt to London flights?

How have Klagenfurt to London flight prices changed over time?

What is the cheapest airline that flies from Klagenfurt to London?

How often are flights from Klagenfurt to London delayed?

What is the most punctual flight time for Klagenfurt to London flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Klagenfurt to London flights?

When to book flights from Klagenfurt to London

Cheap Klagenfurt to London (KLU to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Klagenfurt to London

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Airports in London

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Why use momondo?

An easier way to manage your London trip

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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