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

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

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 109 minutes.

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

Wednesday 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 28% of their flights experiencing any sort of delay.

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 at night have, in the past, seen delays more frequently in comparison.

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 £125 to £51. The lowest price recently found on this route was £32.

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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.

16:05 - 17:10

KLU

STN

2h 05mdirect

12:25 - 15:30

STN

KLU

2h 05mdirect

£32Ryanair

Wed, 10 Jun - Wed, 17 Jun

11:55 - 13:00

KLU

STN

2h 05mdirect

08:10 - 11:15

STN

KLU

2h 05mdirect

£33Ryanair

Sat, 13 Jun - Sat, 20 Jun

11:55 - 13:00

KLU

STN

2h 05mdirect

08:10 - 11:15

STN

KLU

2h 05mdirect

£34Ryanair

Sat, 13 Jun - Sat, 20 Jun

11:55 - 13:00

KLU

STN

2h 05mdirect

06:45 - 09:50

STN

KLU

2h 05mdirect

£35Ryanair

Sat, 13 Jun - Mon, 15 Jun

15:15 - 08:30

KLU

LGW

18h 15m

2 stops

07:00 - 14:40

LGW

KLU

6h 40m

1 stop

£137Multiple Airlines

Tue, 9 Jun - Tue, 16 Jun

17:55 - 08:45

KLU

LTN

15h 50m

1 stop

11:45 - 19:40

LTN

KLU

6h 55m

1 stop

£139Multiple Airlines

Wed, 17 Jun - Sun, 21 Jun

15:00 - 08:20

KLU

LHR

18h 20m

1 stop

09:05 - 14:00

LHR

KLU

3h 55m

1 stop

£214Austrian Airlines

Tue, 9 Jun - Tue, 16 Jun

15:00 - 21:40

KLU

LHR

7h 40m

1 stop

06:00 - 14:50

LHR

KLU

7h 50m

1 stop

£217Austrian Airlines

Fri, 12 Jun - Mon, 15 Jun

15:00 - 17:55

KLU

LCY

27h 55m

2 stops

09:15 - 23:20

LCY

KLU

13h 05m

2 stops

£292Lufthansa

Sat, 6 Jun - Wed, 17 Jun

15:00 - 08:40

KLU

LCY

18h 40m

2 stops

09:15 - 18:00

LCY

KLU

7h 45m

2 stops

£343Lufthansa

Wed, 10 Jun - Mon, 29 Jun

Austrian Airlines flights from Klagenfurt to London

Our best Austrian Airlines deals on Klagenfurt to London flight tickets

Austrian Airlines

9 Jun

KLU15:00Klagenfurt

18h 20m

1 stop

LHR08:20London Heathrow

16 Jun

LHR09:05London Heathrow

3h 55m

1 stop

KLU14:00Klagenfurt

£214

Austrian Airlines

6 Jun

KLU15:00Klagenfurt

7h 40m

1 stop

LHR21:40London Heathrow

17 Jun

LHR06:00London Heathrow

16h 20m

1 stop

KLU23:20Klagenfurt

£216

Austrian Airlines

13 Jun

KLU05:50Klagenfurt

13h 50m

1 stop

LHR18:40London Heathrow

15 Jun

LHR06:00London Heathrow

7h 50m

1 stop

KLU14:50Klagenfurt

£217

Lufthansa flights from Klagenfurt to London

Our best Lufthansa deals on Klagenfurt to London flight tickets

Lufthansa

9 Jun

KLU15:00Klagenfurt

19h 55m

2 stops

LHR09:55London Heathrow

16 Jun

LHR07:25London Heathrow

5h 35m

2 stops

KLU14:00Klagenfurt

£250

Lufthansa

12 Jun

KLU05:50Klagenfurt

14h 50m

2 stops

LHR19:40London Heathrow

14 Jun

LHR07:25London Heathrow

5h 35m

2 stops

KLU14:00Klagenfurt

£252

Lufthansa

6 Jun

KLU15:00Klagenfurt

6h 45m

2 stops

LHR20:45London Heathrow

17 Jun

LHR13:35London Heathrow

8h 45m

2 stops

KLU23:20Klagenfurt

£253

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Wed 10/6

16:05-17:10

Nonstop2h 05m

London Stansted

Wed 17/6

12:25-15:30

Nonstop2h 05m

£32

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Sat 13/6

11:55-13:00

Nonstop2h 05m

London Stansted

Sat 20/6

08:10-11:15

Nonstop2h 05m

£33

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Sat 13/6

11:55-13:00

Nonstop2h 05m

London Stansted

Sat 20/6

08:10-11:15

Nonstop2h 05m

£34

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Sat 13/6

11:55-13:00

Nonstop2h 05m

London Stansted

Mon 15/6

06:45-09:50

Nonstop2h 05m

£35

KlagenfurtLondon

KLU - LGW

KLULGW

Klagenfurt

Tue 9/6

15:15-08:30

2 stops18h 15m

London Gatwick

Tue 16/6

07:00-14:40

1 stop6h 40m

£137

KlagenfurtLondon

KLU - LTN

KLULTN

Klagenfurt

Wed 17/6

17:55-08:45

1 stop15h 50m

London Luton

Sun 21/6

11:45-19:40

1 stop6h 55m

£139

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Tue 9/6

15:00-08:20

1 stop18h 20m

London Heathrow

Tue 16/6

09:05-14:00

1 stop3h 55m

£214

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Fri 12/6

15:00-21:40

1 stop7h 40m

London Heathrow

Mon 15/6

06:00-14:50

1 stop7h 50m

£217

KlagenfurtLondon

KLU - LCY

KLULCY

Klagenfurt

Sat 6/6

15:00-17:55

2 stops27h 55m

London City

Wed 17/6

09:15-23:20

2 stops13h 05m

£292

KlagenfurtLondon

KLU - LCY

KLULCY

Klagenfurt

Wed 10/6

15:00-08:40

2 stops18h 40m

London City

Mon 29/6

09:15-18:00

2 stops7h 45m

£343

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 February. Flight prices, which tend to average around £18, 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 £26.

What is the cheapest Klagenfurt to London flight route?

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

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 May 2026, prices for Klagenfurt to London flights are approximately 15% 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

Frequently asked questions about flying from Klagenfurt to London

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 63.08% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 30.33%, Airbus A320-100/200 at 3.30%, and Airbus A321-100/200 at 1.54%.

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Ipswich

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Hayes

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Folkestone

Chelmsford

Dover

Bedford

Chichester

Harlow

Colchester

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 6/6. 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?

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

Fastest flight time

Direct flights

Airports in London

Frequently asked questions about flying from Klagenfurt to London

Travelling to a place near London?

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

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

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