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Flights to Klagenfurt

£15 Cheap flights to Klagenfurt

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Klagenfurt departing on 10/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from the United Kingdom to Klagenfurt

Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
05:55 - 09:05STN-KLU
2h 10mdirect
Ryanair Logo
10:00 - 11:10KLU-STN
2h 10mdirect
£29Ryanair
Find Deal
Sat, 22 Nov - Mon, 24 Nov
Ryanair Logo
05:55 - 09:05STN-KLU
2h 10mdirect
Ryanair Logo
09:30 - 10:40KLU-STN
2h 10mdirect
£46Ryanair
Find Deal
Sat, 13 Dec - Sat, 20 Dec
Ryanair Logo
05:55 - 09:05STN-KLU
2h 10mdirect
Ryanair Logo
10:00 - 11:10KLU-STN
2h 10mdirect
£46Ryanair
Find Deal
Sat, 22 Nov - Mon, 24 Nov
Ryanair Logo
06:10 - 09:20STN-KLU
2h 10mdirect
Ryanair Logo
09:30 - 10:40KLU-STN
2h 10mdirect
£50Ryanair
Find Deal
Mon, 1 Dec - Sat, 6 Dec
Multiple Airlines Logo
06:10 - 09:20STN-KLU
2h 10mdirect
Multiple Airlines Logo
05:45 - 11:00KLU-STN
6h 15m1 stop
£160Multiple Airlines
Find Deal
Mon, 1 Dec - Sat, 13 Dec
Austrian Airlines Logo
06:00 - 13:55LHR-KLU
6h 55m1 stop
Austrian Airlines Logo
05:45 - 14:05KLU-LHR
9h 20m1 stop
£169Austrian Airlines
Find Deal
Mon, 1 Dec - Sat, 13 Dec
Multiple Airlines Logo
05:55 - 09:05STN-KLU
2h 10mdirect
Multiple Airlines Logo
16:00 - 19:10KLU-STN
4h 10m1 stop
£170Multiple Airlines
Find Deal
Sat, 13 Dec - Sat, 20 Dec
Austrian Airlines Logo
06:00 - 13:55LHR-KLU
6h 55m1 stop
Austrian Airlines Logo
14:50 - 08:20KLU-LHR
18h 30m1 stop
£175Austrian Airlines
Find Deal
Mon, 1 Dec - Sat, 6 Dec
Lufthansa Logo
07:40 - 13:55LHR-KLU
5h 15m2 stops
Lufthansa Logo
14:50 - 21:00KLU-LHR
7h 10m2 stops
£197Lufthansa
Find Deal
Mon, 1 Dec - Sat, 13 Dec
Lufthansa Logo
07:40 - 13:55LHR-KLU
5h 15m2 stops
Lufthansa Logo
05:45 - 13:00KLU-LHR
8h 15m2 stops
£197Lufthansa
Find Deal
Sat, 29 Nov - Sat, 6 Dec

momondo Fare Finder

 
Locate flights to Klagenfurt that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 31 October 2025.
Use the filters below to find and compare flights to Klagenfurt that are best for you.

Fly from

Route

Depart

Return

Price

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Sat 22/11

05:55-09:05

Nonstop2h 10m

Klagenfurt

Mon 24/11

10:00-11:10

Nonstop2h 10m

£29

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Sat 13/12

05:55-09:05

Nonstop2h 10m

Klagenfurt

Sat 20/12

09:30-10:40

Nonstop2h 10m

£46

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Sat 22/11

05:55-09:05

Nonstop2h 10m

Klagenfurt

Mon 24/11

10:00-11:10

Nonstop2h 10m

£46

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Mon 1/12

06:10-09:20

Nonstop2h 10m

Klagenfurt

Sat 6/12

09:30-10:40

Nonstop2h 10m

£50

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Mon 1/12

06:10-09:20

Nonstop2h 10m

Klagenfurt

Sat 13/12

05:45-11:00

1 stop6h 15m

£160

LondonKlagenfurt

LHR - KLU

LHRKLU

London Heathrow

Mon 1/12

06:00-13:55

1 stop6h 55m

Klagenfurt

Sat 13/12

05:45-14:05

1 stop9h 20m

£169

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Sat 13/12

05:55-09:05

Nonstop2h 10m

Klagenfurt

Sat 20/12

16:00-19:10

1 stop4h 10m

£170

LondonKlagenfurt

LHR - KLU

LHRKLU

London Heathrow

Mon 1/12

06:00-13:55

1 stop6h 55m

Klagenfurt

Sat 6/12

14:50-08:20

1 stop18h 30m

£175

LondonKlagenfurt

LHR - KLU

LHRKLU

London Heathrow

Mon 1/12

07:40-13:55

2 stops5h 15m

Klagenfurt

Sat 13/12

14:50-21:00

2 stops7h 10m

£197

LondonKlagenfurt

LHR - KLU

LHRKLU

London Heathrow

Sat 29/11

07:40-13:55

2 stops5h 15m

Klagenfurt

Sat 6/12

05:45-13:00

2 stops8h 15m

£197

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Klagenfurt from

Klagenfurt flights insights and trends

Explore insights for your Klagenfurt flight to craft the best travel plan

What is the cheapest month to fly to Klagenfurt?

The month of January is, on average, the cheapest month to fly to Klagenfurt from United Kingdom, with most prices found around £37. If you don’t want to visit Klagenfurt in January, then you should wait until May to fly from United Kingdom, when ticket prices are also cheap, with an average price of £71.

What is the absolute cheapest flight to Klagenfurt?

See prices from:

What is the cheapest day to depart on your flight to Klagenfurt?

According to our data, Thursday is the cheapest day to fly to Klagenfurt from United Kingdom. The lowest ticket price found for a Thursday departure recently was £85. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £127. These prices are subject to change though, so be sure to set up a Price Alert for flights to Klagenfurt.

What is the cheapest time of day to depart on your flight to Klagenfurt?

Our data shows that the cheapest United Kingdom to Klagenfurt flights are usually those with departure times in the evening. Our users have found flights to Klagenfurt in the evening for as low as £51. In contrast, the most expensive time of day to depart to Klagenfurt is in the morning when prices are around £118.

Cheapest flights to Klagenfurt

Find the cheapest flights to Klagenfurt from your nearest city or airport
Find flights from London Heathrow Airport to Klagenfurt
CHEAPEST MONTH TO FLY TO KLAGENFURT FROM LONDON HEATHROW AIRPORTJanuary21% cheaperFlying from London Heathrow Airport to Klagenfurt costs on average just £162 in January
MOST EXPENSIVE MONTH TO FLY TO KLAGENFURT FROM LONDON HEATHROW AIRPORTMay67% more expensiveIt costs about £343 for flights to Klagenfurt from London Heathrow Airport in May
MOST POPULAR MONTH TO FLY TO KLAGENFURT FROM LONDON HEATHROW AIRPORTFebruary1,000% more users visitedMore momondo users searched in flights to Klagenfurt from London Heathrow Airport in February than any other month

Cheap Klagenfurt flight deals and tips

Summary info about Klagenfurt flight prices, duration and airlines

Best One-Way Price

£15

Best Round-Trip Price

£29

Fastest flight time

2h 05m

Popular in

December
The best one-way flight price to Klagenfurt from United Kingdom in the last 72 hours is £15 (London Stansted to Klagenfurt).
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The best round-trip flight price to Klagenfurt from United Kingdom in the last 72 hours is £29 (London Stansted to Klagenfurt).
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The fastest flight to Klagenfurt from United Kingdom takes 2h 05m (London Stansted to Klagenfurt).
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December has the highest demand for flights to Klagenfurt, with a 23% price increase on average.
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Frequently asked questions about flying to Klagenfurt

How far in advance should I book a flight to Klagenfurt?

In general, most travellers find the cheapest time to book a flight to Klagenfurt is about 5 days prior to their departure date, when tickets on average are £150. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Klagenfurt from United Kingdom for as low as £26 on momondo.

Is there an alternative airport near Klagenfurt?

Klagenfurt Airport can be an alternative airport used for travel to Klagenfurt.

Is there a cheaper alternative to flying into Klagenfurt?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Klagenfurt is Klagenfurt Airport where the average price is £106. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

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

Prices for flights to Klagenfurt Airport refresh daily.

How many operators does momondo search for flights to Klagenfurt Airport?

There are 2 operators available for flights to Klagenfurt Airport as of October 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Klagenfurt Airport.

What documentation or ID do you need to fly to Klagenfurt Airport?

The required travel and health documents for your Klagenfurt Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Klagenfurt Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

Finding the right flight to Klagenfurt is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Klagenfurt quick and easy, saving you time and money.

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

Yes. All flights to Klagenfurt on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights to Klagenfurt?

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

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

If you are not ready to book a flight to Klagenfurt now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to Klagenfurt and let you know when they change.

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Sun 30/11
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Find better results for your trip to Klagenfurt

Popular Flights to Klagenfurt

Popular routes according to searches in the past day on momondo
London to Klagenfurt Flightsfrom £38
Birmingham to Klagenfurt Flightsfrom £286
Edinburgh Turnhouse to Klagenfurt Flightsfrom £389
Newcastle upon Tyne to Klagenfurt Flightsfrom £372
Bristol to Klagenfurt Flightsfrom £370
Manchester to Klagenfurt Flightsfrom £350