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Cheap flights from London to Klagenfurt from £24

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Klagenfurt departing on 24/11. 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 London to Klagenfurt (LON-KLU)

Cheap return flights

Ryanair Logo
18:55 - 22:00STN-KLU
2h 05mdirect
Ryanair Logo
20:30 - 21:35KLU-STN
2h 05mdirect
£33Ryanair
Find Deal
gio, 9 ott - dom, 12 ott
Ryanair Logo
18:55 - 22:00STN-KLU
2h 05mdirect
Ryanair Logo
20:30 - 21:35KLU-STN
2h 05mdirect
£35Ryanair
Find Deal
gio, 9 ott - dom, 12 ott
Ryanair Logo
06:15 - 14:30STN-KLU
7h 15m1 stop
Ryanair Logo
20:30 - 21:35KLU-STN
2h 05mdirect
£91Ryanair
Find Deal
gio, 9 ott - dom, 12 ott
Ryanair Logo
06:15 - 14:30STN-KLU
7h 15m1 stop
Ryanair Logo
20:30 - 21:35KLU-STN
2h 05mdirect
£92Ryanair
Find Deal
gio, 9 ott - dom, 12 ott
Logo
18:55 - 22:00STN-KLU
2h 05mdirect
Logo
21:10 - 19:25KLU-STN
23h 15m2 stops
£116
Find Deal
gio, 9 ott - dom, 12 ott
Logo
18:55 - 22:00STN-KLU
2h 05mdirect
Logo
21:10 - 11:55KLU-STN
15h 45m2 stops
£117
Find Deal
gio, 9 ott - dom, 12 ott
Austrian Airlines Logo
06:00 - 13:50LHR-KLU
6h 50m1 stop
Austrian Airlines Logo
15:15 - 08:20KLU-LHR
18h 05m1 stop
£171Austrian Airlines
Find Deal
mar, 30 dic - lun, 5 gen
Austrian Airlines Logo
06:00 - 23:25LHR-KLU
16h 25m1 stop
Austrian Airlines Logo
14:40 - 08:20KLU-LHR
18h 40m1 stop
£180Austrian Airlines
Find Deal
dom, 30 nov - dom, 7 dic
Lufthansa Logo
06:55 - 14:00LHR-KLU
6h 05m2 stops
Lufthansa Logo
05:45 - 17:05KLU-LHR
12h 20m2 stops
£207Lufthansa
Find Deal
mer, 15 ott - mer, 22 ott
Lufthansa Logo
07:40 - 13:55LHR-KLU
5h 15m2 stops
Lufthansa Logo
14:40 - 10:45KLU-LHR
21h 05m2 stops
£214Lufthansa
Find Deal
dom, 30 nov - dom, 7 dic

Ryanair flights from London to Klagenfurt

Our best Ryanair deals on London to Klagenfurt flight tickets
Ryanair
9 Oct
STN18:55London Stansted
2h 05m
KLU22:00Klagenfurt
12 Oct
KLU20:30Klagenfurt
2h 05m
STN21:35London Stansted
£33
Find similar
Ryanair
9 Oct
STN18:55London Stansted
2h 05m
KLU22:00Klagenfurt
12 Oct
KLU20:30Klagenfurt
2h 05m
STN21:35London Stansted
£35
Find similar
Ryanair
9 Oct
STN06:15London Stansted
7h 15m
1 stop
KLU14:30Klagenfurt
12 Oct
KLU20:30Klagenfurt
2h 05m
STN21:35London Stansted
£91
Find similar

Austrian Airlines flights from London to Klagenfurt

Our best Austrian Airlines deals on London to Klagenfurt flight tickets
Austrian Airlines
30 Dec
LHR06:00London Heathrow
6h 50m
1 stop
KLU13:50Klagenfurt
5 Jan
KLU15:15Klagenfurt
18h 05m
1 stop
LHR08:20London Heathrow
£171
Find similar
Austrian Airlines
30 Nov
LHR06:00London Heathrow
16h 25m
1 stop
KLU23:25Klagenfurt
7 Dec
KLU14:40Klagenfurt
18h 40m
1 stop
LHR08:20London Heathrow
£180
Find similar
Austrian Airlines
14 Sept
LHR06:00London Heathrow
7h 00m
1 stop
KLU14:00Klagenfurt
17 Sept
KLU05:45Klagenfurt
4h 15m
1 stop
LHR09:00London Heathrow
£198
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London to Klagenfurt that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 27 agosto 2025.
Use the filters below to find and compare flights from London to Klagenfurt that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

gio 9/10

18:55-22:00

Nonstop2h 05m

Klagenfurt

dom 12/10

20:30-21:35

Nonstop2h 05m

£33

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

gio 9/10

18:55-22:00

Nonstop2h 05m

Klagenfurt

dom 12/10

20:30-21:35

Nonstop2h 05m

£35

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

gio 9/10

06:15-14:30

1 stop7h 15m

Klagenfurt

dom 12/10

20:30-21:35

Nonstop2h 05m

£91

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

gio 9/10

06:15-14:30

1 stop7h 15m

Klagenfurt

dom 12/10

20:30-21:35

Nonstop2h 05m

£92

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

gio 9/10

18:55-22:00

Nonstop2h 05m

Klagenfurt

dom 12/10

21:10-19:25

2 stops23h 15m

£116

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

gio 9/10

18:55-22:00

Nonstop2h 05m

Klagenfurt

dom 12/10

21:10-11:55

2 stops15h 45m

£117

LondonKlagenfurt

LHR - KLU

LHRKLU

London Heathrow

mar 30/12

06:00-13:50

1 stop6h 50m

Klagenfurt

lun 5/1

15:15-08:20

1 stop18h 05m

£171

LondonKlagenfurt

LHR - KLU

LHRKLU

London Heathrow

dom 30/11

06:00-23:25

1 stop16h 25m

Klagenfurt

dom 7/12

14:40-08:20

1 stop18h 40m

£180

LondonKlagenfurt

LHR - KLU

LHRKLU

London Heathrow

mer 15/10

06:55-14:00

2 stops6h 05m

Klagenfurt

mer 22/10

05:45-17:05

2 stops12h 20m

£207

LondonKlagenfurt

LHR - KLU

LHRKLU

London Heathrow

dom 30/11

07:40-13:55

2 stops5h 15m

Klagenfurt

dom 7/12

14:40-10:45

2 stops21h 05m

£214

Flights are sorted by cheapest return flights first.

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

How to get the cheapest flight ticket from London to Klagenfurt

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

What is the typical price of a round-trip flight between London and Klagenfurt?

What is the cheapest month to fly to Klagenfurt?

The month of January is, on average, the cheapest month to fly to Klagenfurt from London, with most prices found around £36. If you don’t want to visit Klagenfurt in January, then you should wait until May to fly from London, when ticket prices are also cheap, with an average price of £70.

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

According to our data, Wednesday is the cheapest day to fly to Klagenfurt from London. The lowest ticket price found for a Wednesday departure recently was £38. 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 Tuesday because tickets tend to average around £140. 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 London 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 £50. In contrast, the most expensive time of day to depart to Klagenfurt is in the morning when prices are around £101.

What is the cheapest London to Klagenfurt flight route?

Fly from London Stansted to Klagenfurt for the best London - Klagenfurt flight prices

What cabin class options are available on London to Klagenfurt flights?

There is only 1 cabin class available to choose from on London to Klagenfurt 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 London to Klagenfurt flights?

No. A direct flight is the cheapest option for a flight between London to Klagenfurt.

How have London to Klagenfurt flight prices changed over time?

As of August 2025, prices for London to Klagenfurt flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from London to Klagenfurt

Are you open to changing your travel dates? Check out the ideal times to fly from London to Klagenfurt according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

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

Find info about flight duration, direct flights, and airports for your flight from London to Klagenfurt

Best price found

£63

Fastest flight time

2h 05m

Direct flights

Mon, Tue, Fri and Sun

Airports in Klagenfurt

1 airport
The best flight deal from London to Klagenfurt found on momondo in the last 72 hours is £63
The fastest flight from London to Klagenfurt takes 2h 05m
Direct flights go from London to Klagenfurt on Monday, Tuesday, Friday and Sunday. There are no airlines offering direct flights..
There is 1 airport near Klagenfurt: Klagenfurt (KLU)
Search flight deals

  • How far is London to Klagenfurt by plane?

    London and Klagenfurt are 732.8 mi apart from one another. In terms of flight time, this usually takes a little over 2h 05m.

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

    Prices for flights from London to Klagenfurt Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Klagenfurt Airport.

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

    The travel and health documents required for your trip to Klagenfurt Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Klagenfurt Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

  • What is the most popular airline from London to Klagenfurt?

Best airlines flying from London to Klagenfurt

Compare and see reviews for airlines that fly from London to Klagenfurt with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £38Free CancellationRating
6.8
5,152 reviews
Search Ryanair flights
Austrian AirlinesPriceFrom £155Free CancellationRating
7.6
835 reviews
Search Austrian Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Klagenfurt for you.

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

Yes. momondo enables you to select and highlight flights to Klagenfurt from London with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Klagenfurt.

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

Price alerts on flights to Klagenfurt from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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