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 31% of their flights experiencing any sort of delay.

How often are flights from Klagenfurt to London delayed?

Historically, on average around 32% 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

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

As of February 2026, 2 flights take off from Klagenfurt and land in London each week. The most common flight departure day for this route is Mon, with 50% of weekly flights taking off on this day.

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

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Find the cheapest flights from Klagenfurt to London

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One-way

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Enter your travel dates to find the best prices.

09:30 - 10:40

KLU

STN

2h 10mdirect

06:10 - 09:20

STN

KLU

2h 10mdirect

£35Ryanair

Sat, 7 Mar - Mon, 9 Mar

09:30 - 10:40

KLU

STN

2h 10mdirect

05:55 - 09:05

STN

KLU

2h 10mdirect

£36Ryanair

Sat, 7 Mar - Sat, 14 Mar

09:30 - 10:40

KLU

STN

2h 10mdirect

06:10 - 09:20

STN

KLU

2h 10mdirect

£37Ryanair

Sat, 14 Mar - Mon, 16 Mar

11:55 - 13:00

KLU

STN

2h 05mdirect

12:25 - 15:30

STN

KLU

2h 05mdirect

£59Ryanair

Sat, 2 May - Wed, 6 May

15:45 - 11:00

KLU

LTN

20h 15m

2 stops

17:30 - 21:45

LTN

KLU

27h 15m

2 stops

£151Multiple Airlines

Mon, 13 Apr - Thu, 16 Apr

15:45 - 23:50

KLU

LTN

9h 05m

1 stop

17:30 - 21:45

LTN

KLU

27h 15m

2 stops

£163Multiple Airlines

Mon, 13 Apr - Thu, 16 Apr

16:00 - 21:40

KLU

LHR

6h 40m

1 stop

19:25 - 13:50

LHR

KLU

17h 25m

1 stop

£170Austrian Airlines

Sat, 7 Mar - Mon, 9 Mar

16:00 - 21:40

KLU

LHR

6h 40m

1 stop

19:25 - 13:50

LHR

KLU

17h 25m

1 stop

£171Austrian Airlines

Sat, 7 Mar - Mon, 9 Mar

06:00 - 17:40

KLU

LCY

12h 40m

2 stops

09:40 - 23:20

LCY

KLU

12h 40m

2 stops

£246Lufthansa

Fri, 27 Feb - Thu, 5 Mar

05:45 - 17:55

KLU

LCY

13h 10m

2 stops

09:15 - 23:20

LCY

KLU

13h 05m

2 stops

£337Lufthansa

Fri, 26 Jun - Tue, 30 Jun

Austrian Airlines flights from Klagenfurt to London

Our best Austrian Airlines deals on Klagenfurt to London flight tickets

Austrian Airlines

7 Mar

KLU16:00Klagenfurt

6h 40m

1 stop

LHR21:40London Heathrow

9 Mar

LHR19:25London Heathrow

17h 25m

1 stop

KLU13:50Klagenfurt

£170

Austrian Airlines

7 Mar

KLU16:00Klagenfurt

6h 40m

1 stop

LHR21:40London Heathrow

9 Mar

LHR19:25London Heathrow

17h 25m

1 stop

KLU13:50Klagenfurt

£171

Austrian Airlines

12 Mar

KLU15:15Klagenfurt

7h 25m

1 stop

LHR21:40London Heathrow

15 Mar

LHR09:05London Heathrow

13h 15m

1 stop

KLU23:20Klagenfurt

£175

Lufthansa flights from Klagenfurt to London

Our best Lufthansa deals on Klagenfurt to London flight tickets

Lufthansa

7 Mar

KLU16:00Klagenfurt

6h 00m

2 stops

LHR21:00London Heathrow

9 Mar

LHR06:35London Heathrow

6h 15m

2 stops

KLU13:50Klagenfurt

£196

Lufthansa

7 Mar

KLU16:00Klagenfurt

6h 00m

2 stops

LHR21:00London Heathrow

9 Mar

LHR06:35London Heathrow

6h 15m

2 stops

KLU13:50Klagenfurt

£197

Lufthansa

27 Feb

KLU15:15Klagenfurt

8h 40m

2 stops

LHR22:55London Heathrow

3 Mar

LHR06:35London Heathrow

6h 15m

2 stops

KLU13:50Klagenfurt

£204

Fly from

Fly to

Route

Depart

Return

Price

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Sat 7/3

09:30-10:40

Nonstop2h 10m

London Stansted

Mon 9/3

06:10-09:20

Nonstop2h 10m

£35

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Sat 7/3

09:30-10:40

Nonstop2h 10m

London Stansted

Sat 14/3

05:55-09:05

Nonstop2h 10m

£36

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Sat 14/3

09:30-10:40

Nonstop2h 10m

London Stansted

Mon 16/3

06:10-09:20

Nonstop2h 10m

£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

£59

KlagenfurtLondon

KLU - LTN

KLULTN

Klagenfurt

Mon 13/4

15:45-11:00

2 stops20h 15m

London Luton

Thu 16/4

17:30-21:45

2 stops27h 15m

£151

KlagenfurtLondon

KLU - LTN

KLULTN

Klagenfurt

Mon 13/4

15:45-23:50

1 stop9h 05m

London Luton

Thu 16/4

17:30-21:45

2 stops27h 15m

£163

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Sat 7/3

16:00-21:40

1 stop6h 40m

London Heathrow

Mon 9/3

19:25-13:50

1 stop17h 25m

£170

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Sat 7/3

16:00-21:40

1 stop6h 40m

London Heathrow

Mon 9/3

19:25-13:50

1 stop17h 25m

£171

KlagenfurtLondon

KLU - LCY

KLULCY

Klagenfurt

Fri 27/2

06:00-17:40

2 stops12h 40m

London City

Thu 5/3

09:40-23:20

2 stops12h 40m

£246

KlagenfurtLondon

KLU - LCY

KLULCY

Klagenfurt

Fri 26/6

05:45-17:55

2 stops13h 10m

London City

Tue 30/6

09:15-23:20

2 stops13h 05m

£337

Flights are sorted by cheapest return flights first.

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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

Other information

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 £42, 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 £47.

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 February 2026, prices for Klagenfurt to London flights are approximately 20% 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. Airline offering direct flights is Ryanair..

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 80.46% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 14.92%, Airbus A320-100/200 at 2.52%, and Airbus A319 at 0.63%.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Chelmsford

Hayes

Dover

Folkestone

Bedford

Colchester

Wembley

Worthing

Ramsgate

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 2/3. 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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See travel insights to London from

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?

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 February 2026, prices for Klagenfurt to London flights are approximately 20% cheaper when compared to flights at the same time last year.

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

How often are flights from Klagenfurt to London delayed?

Historically, on average around 32% 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 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 31% of their flights experiencing any sort of delay.

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

As of February 2026, 2 flights take off from Klagenfurt and land in London each week. The most common flight departure day for this route is Mon, with 50% of weekly flights taking off on this day.

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

How far is Klagenfurt to London by plane?

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

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

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

What is the most popular plane model from Klagenfurt to London?

Travelling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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