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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 7/2. 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 - 09:05
STN
-
KLU
2h 10mdirect
Ryanair Logo
10:00 - 11:10
KLU
-
STN
2h 10mdirect
£34Ryanair
Sat, 7 Feb - Mon, 9 Feb
Ryanair Logo
05:55 - 09:05
STN
-
KLU
2h 10mdirect
Ryanair Logo
09:30 - 10:40
KLU
-
STN
2h 10mdirect
£36Ryanair
Sat, 14 Mar - Sat, 21 Mar
Ryanair Logo
05:55 - 09:05
STN
-
KLU
2h 10mdirect
Ryanair Logo
10:00 - 11:10
KLU
-
STN
2h 10mdirect
£39Ryanair
Sat, 14 Mar - Mon, 16 Mar
Ryanair Logo
12:25 - 15:30
STN
-
KLU
2h 05mdirect
Ryanair Logo
11:55 - 13:00
KLU
-
STN
2h 05mdirect
£104Ryanair
Wed, 3 Jun - Sat, 13 Jun
Multiple Airlines Logo
06:10 - 09:20
STN
-
KLU
2h 10mdirect
Multiple Airlines Logo
15:45 - 07:30
KLU
-
STN
16h 45m
2 stops
£125Multiple Airlines
Mon, 16 Mar - Mon, 27 Apr
Multiple Airlines Logo
11:30 - 23:20
STN
-
KLU
10h 50m
2 stops
Multiple Airlines Logo
09:30 - 10:40
KLU
-
STN
2h 10mdirect
£152Multiple Airlines
Thu, 12 Mar - Sat, 14 Mar
Austrian Airlines Logo
06:00 - 13:50
LHR
-
KLU
6h 50m
1 stop
Austrian Airlines Logo
15:15 - 21:40
KLU
-
LHR
7h 25m
1 stop
£166Austrian Airlines
Fri, 20 Mar - Mon, 23 Mar
Austrian Airlines Logo
06:00 - 13:50
LHR
-
KLU
6h 50m
1 stop
Austrian Airlines Logo
05:50 - 14:05
KLU
-
LHR
9h 15m
1 stop
£167Austrian Airlines
Thu, 5 Mar - Mon, 9 Mar
Lufthansa Logo
13:50 - 23:20
LHR
-
KLU
8h 30m
2 stops
Lufthansa Logo
15:15 - 22:55
KLU
-
LHR
8h 40m
2 stops
£196Lufthansa
Thu, 5 Mar - Mon, 9 Mar
Lufthansa Logo
12:45 - 23:20
EDI
-
KLU
9h 35m
2 stops
Lufthansa Logo
11:10 - 22:55
KLU
-
EDI
12h 45m
2 stops
£223Lufthansa
Wed, 18 Mar - Sun, 22 Mar

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 29 January 2026.
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 7/2

05:55-09:05

Nonstop2h 10m

Klagenfurt

Mon 9/2

10:00-11:10

Nonstop2h 10m

£34

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Sat 14/3

05:55-09:05

Nonstop2h 10m

Klagenfurt

Sat 21/3

09:30-10:40

Nonstop2h 10m

£36

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Sat 14/3

05:55-09:05

Nonstop2h 10m

Klagenfurt

Mon 16/3

10:00-11:10

Nonstop2h 10m

£39

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Wed 3/6

12:25-15:30

Nonstop2h 05m

Klagenfurt

Sat 13/6

11:55-13:00

Nonstop2h 05m

£104

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Mon 16/3

06:10-09:20

Nonstop2h 10m

Klagenfurt

Mon 27/4

15:45-07:30

2 stops16h 45m

£125

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Thu 12/3

11:30-23:20

2 stops10h 50m

Klagenfurt

Sat 14/3

09:30-10:40

Nonstop2h 10m

£152

LondonKlagenfurt

LHR - KLU

LHRKLU

London Heathrow

Fri 20/3

06:00-13:50

1 stop6h 50m

Klagenfurt

Mon 23/3

15:15-21:40

1 stop7h 25m

£166

LondonKlagenfurt

LHR - KLU

LHRKLU

London Heathrow

Thu 5/3

06:00-13:50

1 stop6h 50m

Klagenfurt

Mon 9/3

05:50-14:05

1 stop9h 15m

£167

LondonKlagenfurt

LHR - KLU

LHRKLU

London Heathrow

Thu 5/3

13:50-23:20

2 stops8h 30m

Klagenfurt

Mon 9/3

15:15-22:55

2 stops8h 40m

£196

EdinburghKlagenfurt

EDI - KLU

EDIKLU

Edinburgh Turnhouse

Wed 18/3

12:45-23:20

2 stops9h 35m

Klagenfurt

Sun 22/3

11:10-22:55

2 stops12h 45m

£223

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 £35. If you don’t want to visit Klagenfurt in January, then you should wait until October to fly from United Kingdom, when ticket prices are also cheap, with an average price of £38.

What is the absolute cheapest flight to Klagenfurt?

£119 is the cheapest deal found on momondo in the last two weeks for a flight to Klagenfurt. This flight is from London and is 6% cheaper than most flights to Klagenfurt. To find the cheapest price to Klagenfurt from your area, use momondo’s Airport-to-Airport Pricing Tool.

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 £76. 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 Saturday because tickets tend to average around £131. 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 £49. In contrast, the most expensive time of day to depart to Klagenfurt is in the morning when prices are around £115.

Cheapest flights to Klagenfurt

Find the cheapest flights to Klagenfurt from your nearest city or airport
Find flights from London Heathrow Airport to Graz
CHEAPEST MONTH TO FLY TO KLAGENFURT FROM LONDON HEATHROW AIRPORTJanuary18% cheaperFlying from London Heathrow Airport to Klagenfurt costs on average just £162 in January
MOST EXPENSIVE MONTH TO FLY TO KLAGENFURT FROM LONDON HEATHROW AIRPORTMay66% more expensiveIt costs about £328 for flights to Klagenfurt from London Heathrow Airport in May
MOST POPULAR MONTH TO FLY TO KLAGENFURT FROM LONDON HEATHROW AIRPORTFebruary100% 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

£34

Fastest flight time

2h 10m
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 £34 (London Stansted to Klagenfurt).
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The fastest flight to Klagenfurt from United Kingdom takes 2h 10m (London Stansted to Klagenfurt).
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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 20 days prior to their departure date, when tickets on average are £140. 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 £28 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 £126. 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 January 2026.

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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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 £47
Manchester to Klagenfurt Flightsfrom £385
Edinburgh Turnhouse to Klagenfurt Flightsfrom £274
Newcastle upon Tyne to Klagenfurt Flightsfrom £306
Bristol to Klagenfurt Flightsfrom £3,910
Birmingham to Klagenfurt Flightsfrom £459