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

Ryanair is the most popular carrier operating from Klagenfurt to London

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.

£16 Cheap Flights from Klagenfurt to London in 2025

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 £95 to £177. The lowest price recently found on this route was £58.

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Find the cheapest flights from Klagenfurt to London

Round-trip

One-way

Last minute

Direct

Cheap return flights

22:25 - 23:30KLU-STN

2h 05mdirect

16:50 - 19:55STN-KLU

2h 05mdirect

£58Ryanair

Find Deal

tor., 11 sep. - søn., 14 sep.

22:25 - 23:30KLU-STN

2h 05mdirect

16:50 - 19:55STN-KLU

2h 05mdirect

£61Ryanair

Find Deal

tor., 11 sep. - søn., 14 sep.

20:30 - 21:35KLU-STN

2h 05mdirect

18:55 - 22:00STN-KLU

2h 05mdirect

£62Ryanair

Find Deal

søn., 28 sep. - tor., 2 okt.

10:00 - 11:10KLU-STN

2h 10mdirect

05:55 - 09:05STN-KLU

2h 10mdirect

£63Ryanair

Find Deal

man., 3 nov. - lør., 8 nov.

20:30 - 21:35KLU-STN

2h 05mdirect

06:45 - 08:15STN-KLU

24h 30m2 stops

£100

Find Deal

søn., 12 okt. - man., 13 okt.

22:25 - 23:30KLU-STN

2h 05mdirect

08:20 - 18:40STN-KLU

9h 20m1 stop

£114

Find Deal

tor., 11 sep. - søn., 14 sep.

14:50 - 14:05KLU-LHR

24h 15m1 stop

06:00 - 23:25LHR-KLU

16h 25m1 stop

£174Austrian Airlines

Find Deal

ons., 19 nov. - søn., 23 nov.

05:45 - 08:45KLU-LHR

4h 00m1 stop

06:00 - 23:25LHR-KLU

16h 25m1 stop

£175Austrian Airlines

Find Deal

tor., 11 sep. - søn., 14 sep.

05:45 - 17:05KLU-LHR

12h 20m2 stops

07:25 - 14:00LHR-KLU

5h 35m2 stops

£218Lufthansa

Find Deal

lør., 18 okt. - man., 20 okt.

14:50 - 22:55KLU-LHR

9h 05m2 stops

07:40 - 13:55LHR-KLU

5h 15m2 stops

£220Lufthansa

Find Deal

tor., 13 nov. - søn., 16 nov.

Austrian Airlines flights from Klagenfurt to London

Our best Austrian Airlines deals on Klagenfurt to London flight tickets

Austrian Airlines

19 Nov

KLU14:50Klagenfurt

24h 15m

1 stop

LHR14:05London Heathrow

23 Nov

LHR06:00London Heathrow

16h 25m

1 stop

KLU23:25Klagenfurt

£174

Find similar

Austrian Airlines

11 Sept

KLU05:45Klagenfurt

4h 00m

1 stop

LHR08:45London Heathrow

14 Sept

LHR06:00London Heathrow

16h 25m

1 stop

KLU23:25Klagenfurt

£175

Find similar

Austrian Airlines

28 Nov

KLU14:50Klagenfurt

7h 50m

1 stop

LHR21:40London Heathrow

30 Nov

LHR06:00London Heathrow

6h 55m

1 stop

KLU13:55Klagenfurt

£177

Find similar

Lufthansa flights from Klagenfurt to London

Our best Lufthansa deals on Klagenfurt to London flight tickets

Lufthansa

18 Oct

KLU05:45Klagenfurt

12h 20m

2 stops

LHR17:05London Heathrow

20 Oct

LHR07:25London Heathrow

5h 35m

2 stops

KLU14:00Klagenfurt

£218

Find similar

Lufthansa

13 Nov

KLU14:50Klagenfurt

9h 05m

2 stops

LHR22:55London Heathrow

16 Nov

LHR07:40London Heathrow

5h 15m

2 stops

KLU13:55Klagenfurt

£220

Find similar

Lufthansa

15 Nov

KLU05:45Klagenfurt

8h 15m

2 stops

LHR13:00London Heathrow

16 Nov

LHR07:40London Heathrow

5h 15m

2 stops

KLU13:55Klagenfurt

£220

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

tor. 11/9

22:25-23:30

Nonstop2h 05m

London Stansted

søn. 14/9

16:50-19:55

Nonstop2h 05m

£58

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

tor. 11/9

22:25-23:30

Nonstop2h 05m

London Stansted

søn. 14/9

16:50-19:55

Nonstop2h 05m

£61

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

søn. 28/9

20:30-21:35

Nonstop2h 05m

London Stansted

tor. 2/10

18:55-22:00

Nonstop2h 05m

£62

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

man. 3/11

10:00-11:10

Nonstop2h 10m

London Stansted

lør. 8/11

05:55-09:05

Nonstop2h 10m

£63

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

søn. 12/10

20:30-21:35

Nonstop2h 05m

London Stansted

man. 13/10

06:45-08:15

2 stops24h 30m

£100

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

tor. 11/9

22:25-23:30

Nonstop2h 05m

London Stansted

søn. 14/9

08:20-18:40

1 stop9h 20m

£114

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

ons. 19/11

14:50-14:05

1 stop24h 15m

London Heathrow

søn. 23/11

06:00-23:25

1 stop16h 25m

£174

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

tor. 11/9

05:45-08:45

1 stop4h 00m

London Heathrow

søn. 14/9

06:00-23:25

1 stop16h 25m

£175

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

lør. 18/10

05:45-17:05

2 stops12h 20m

London Heathrow

man. 20/10

07:25-14:00

2 stops5h 35m

£218

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

tor. 13/11

14:50-22:55

2 stops9h 05m

London Heathrow

søn. 16/11

07:40-13:55

2 stops5h 15m

£220

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

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 £63, 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 £73.

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 are 1 cabin classes 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 August 2025, prices for Klagenfurt to London flights are approximately 65% 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	Mon, Tue, Fri and Sun
Airports in London	1 airport

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

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

There is 1 airport near London: 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 94.13% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 3.07%, Airbus A320neo at 0.56%, and Airbus A319 at 0.56%.

Eastbourne

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Luton

Maidstone

Slough

Gatwick

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Colchester

Worthing

Dartford

Hounslow

Dover

Chelmsford

Hayes

Folkestone

Bedford

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.