How many flights depart from Klagenfurt to London on average per week?

As of June 2026, 1 flights take off from Klagenfurt and land in London each week. The most common flight departure day for this route is Sat, with 100% of weekly flights taking off on this day.

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.

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

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.

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 117 minutes.

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.

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.

£18 Cheap Flights from Klagenfurt to London in 2026

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Find the cheapest flights from Klagenfurt to London

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

16:05 - 17:10

KLU

STN

2h 05mdirect

06:45 - 09:50

STN

KLU

2h 05mdirect

£40Ryanair

Wed, 8 Jul - Mon, 13 Jul

11:00 - 12:05

KLU

STN

2h 05mdirect

07:30 - 10:35

STN

KLU

2h 05mdirect

£42Ryanair

Sat, 10 Oct - Sat, 17 Oct

11:55 - 13:00

KLU

STN

2h 05mdirect

07:30 - 10:35

STN

KLU

2h 05mdirect

£42Ryanair

Sat, 26 Sep - Sat, 3 Oct

16:05 - 17:10

KLU

STN

2h 05mdirect

06:45 - 09:50

STN

KLU

2h 05mdirect

£50Ryanair

Wed, 29 Jul - Mon, 3 Aug

17:55 - 08:45

KLU

LTN

15h 50m

1 stop

06:00 - 15:10

LTN

KLU

8h 10m

1 stop

£119Multiple Airlines

Wed, 8 Jul - Mon, 13 Jul

17:55 - 00:40

KLU

LGW

7h 45m

1 stop

21:35 - 14:40

LGW

KLU

16h 05m

1 stop

£123Multiple Airlines

Wed, 8 Jul - Mon, 13 Jul

15:00 - 21:40

KLU

LHR

7h 40m

1 stop

19:30 - 14:00

LHR

KLU

17h 30m

1 stop

£214Austrian Airlines

Fri, 16 Oct - Mon, 19 Oct

14:50 - 08:20

KLU

LHR

18h 30m

1 stop

06:00 - 23:25

LHR

KLU

16h 25m

1 stop

£215Austrian Airlines

Fri, 11 Dec - Sun, 13 Dec

05:50 - 17:55

KLU

LCY

13h 05m

2 stops

18:30 - 14:00

LCY

KLU

18h 30m

2 stops

£302Lufthansa

Fri, 16 Oct - Mon, 19 Oct

15:00 - 17:55

KLU

LCY

27h 55m

2 stops

09:15 - 10:30

LCY

KLU

24h 15m

2 stops

£332Lufthansa

Wed, 8 Jul - Wed, 15 Jul

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Lufthansa flights from Klagenfurt to London

Our best Lufthansa deals on Klagenfurt to London flight tickets

Lufthansa

19 Aug

KLU15:00Klagenfurt

6h 45m

2 stops

LHR20:45London Heathrow

26 Aug

LHR07:25London Heathrow

5h 35m

2 stops

KLU14:00Klagenfurt

£251

Lufthansa

15 Jul

KLU15:00Klagenfurt

8h 40m

2 stops

LHR22:40London Heathrow

29 Jul

LHR06:55London Heathrow

6h 05m

2 stops

KLU14:00Klagenfurt

£254

Lufthansa

8 Jul

KLU15:00Klagenfurt

8h 40m

2 stops

LHR22:40London Heathrow

15 Jul

LHR06:55London Heathrow

6h 05m

2 stops

KLU14:00Klagenfurt

£256

Austrian Airlines flights from Klagenfurt to London

Our best Austrian Airlines deals on Klagenfurt to London flight tickets

Austrian Airlines

16 Oct

KLU15:00Klagenfurt

7h 40m

1 stop

LHR21:40London Heathrow

19 Oct

LHR19:30London Heathrow

17h 30m

1 stop

KLU14:00Klagenfurt

£214

Austrian Airlines

11 Dec

KLU14:50Klagenfurt

18h 30m

1 stop

LHR08:20London Heathrow

13 Dec

LHR06:00London Heathrow

16h 25m

1 stop

KLU23:25Klagenfurt

£215

Austrian Airlines

21 Oct

KLU15:00Klagenfurt

7h 40m

1 stop

LHR21:40London Heathrow

24 Oct

LHR06:00London Heathrow

7h 00m

1 stop

KLU14:00Klagenfurt

£217

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Wed 8/7

16:05-17:10

Nonstop2h 05m

London Stansted

Mon 13/7

06:45-09:50

Nonstop2h 05m

£40

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Sat 10/10

11:00-12:05

Nonstop2h 05m

London Stansted

Sat 17/10

07:30-10:35

Nonstop2h 05m

£42

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Sat 26/9

11:55-13:00

Nonstop2h 05m

London Stansted

Sat 3/10

07:30-10:35

Nonstop2h 05m

£42

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Wed 29/7

16:05-17:10

Nonstop2h 05m

London Stansted

Mon 3/8

06:45-09:50

Nonstop2h 05m

£50

KlagenfurtLondon

KLU - LTN

KLULTN

Klagenfurt

Wed 8/7

17:55-08:45

1 stop15h 50m

London Luton

Mon 13/7

06:00-15:10

1 stop8h 10m

£119

KlagenfurtLondon

KLU - LGW

KLULGW

Klagenfurt

Wed 8/7

17:55-00:40

1 stop7h 45m

London Gatwick

Mon 13/7

21:35-14:40

1 stop16h 05m

£123

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Fri 16/10

15:00-21:40

1 stop7h 40m

London Heathrow

Mon 19/10

19:30-14:00

1 stop17h 30m

£214

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Fri 11/12

14:50-08:20

1 stop18h 30m

London Heathrow

Sun 13/12

06:00-23:25

1 stop16h 25m

£215

KlagenfurtLondon

KLU - LCY

KLULCY

Klagenfurt

Fri 16/10

05:50-17:55

2 stops13h 05m

London City

Mon 19/10

18:30-14:00

2 stops18h 30m

£302

KlagenfurtLondon

KLU - LCY

KLULCY

Klagenfurt

Wed 8/7

15:00-17:55

2 stops27h 55m

London City

Wed 15/7

09:15-10:30

2 stops24h 15m

£332

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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

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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 £19, 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 £27.

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 June 2026, prices for Klagenfurt to London flights are approximately 21% cheaper 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).

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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 60.50% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 32.92%, Airbus A321-100/200 at 2.82%, and Airbus A320-100/200 at 1.88%.

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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 £18

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 5/10. 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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Lufthansa flights from Klagenfurt to London

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Austrian Airlines flights from Klagenfurt to London

Our best Austrian Airlines deals on Klagenfurt to London flight tickets

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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?

How many flights depart from Klagenfurt to London on average per week?

When to book flights from Klagenfurt to London

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

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Frequently asked questions about flying from Klagenfurt to London

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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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