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Cheap flights from London to Klagenfurt from £17

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 28/9. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London to Klagenfurt

Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
07:30 - 10:35
STN
-
KLU
2h 05mdirect
Ryanair Logo
11:00 - 12:05
KLU
-
STN
2h 05mdirect
£31Ryanair
Sat, 10 Oct - Sat, 17 Oct
Ryanair Logo
06:45 - 09:50
STN
-
KLU
2h 05mdirect
Ryanair Logo
16:05 - 17:10
KLU
-
STN
2h 05mdirect
£34Ryanair
Mon, 28 Sep - Wed, 30 Sep
Ryanair Logo
06:45 - 09:50
STN
-
KLU
2h 05mdirect
Ryanair Logo
16:05 - 17:10
KLU
-
STN
2h 05mdirect
£35Ryanair
Mon, 28 Sep - Wed, 30 Sep
Ryanair Logo
06:45 - 09:50
STN
-
KLU
2h 05mdirect
Ryanair Logo
16:05 - 17:10
KLU
-
STN
2h 05mdirect
£35Ryanair
Mon, 21 Sep - Wed, 30 Sep
Multiple Airlines Logo
08:10 - 11:15
STN
-
KLU
2h 05mdirect
Multiple Airlines Logo
15:45 - 07:30
KLU
-
STN
16h 45m
2 stops
£92Multiple Airlines
Sat, 19 Sep - Mon, 21 Sep
Multiple Airlines Logo
20:50 - 14:40
STN
-
KLU
16h 50m
2 stops
Multiple Airlines Logo
16:05 - 17:10
KLU
-
STN
2h 05mdirect
£92Multiple Airlines
Mon, 14 Sep - Wed, 30 Sep
Multiple Airlines Logo
05:40 - 17:20
LTN
-
KLU
10h 40m
2 stops
Multiple Airlines Logo
15:45 - 11:00
KLU
-
LTN
20h 15m
2 stops
£148Multiple Airlines
Wed, 16 Sep - Mon, 21 Sep
Austrian Airlines Logo
06:00 - 14:00
LHR
-
KLU
7h 00m
1 stop
Austrian Airlines Logo
15:00 - 21:40
KLU
-
LHR
7h 40m
1 stop
£182Austrian Airlines
Mon, 14 Sep - Wed, 30 Sep
Austrian Airlines Logo
06:00 - 14:00
LHR
-
KLU
7h 00m
1 stop
Austrian Airlines Logo
15:00 - 21:40
KLU
-
LHR
7h 40m
1 stop
£183Austrian Airlines
Sat, 19 Sep - Wed, 30 Sep
Austrian Airlines Logo
06:00 - 14:00
LHR
-
KLU
7h 00m
1 stop
Austrian Airlines Logo
15:00 - 21:40
KLU
-
LHR
7h 40m
1 stop
£184Austrian Airlines
Mon, 21 Sep - Wed, 30 Sep

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Ryanair flights from London to Klagenfurt

Our best Ryanair deals on London to Klagenfurt flight tickets
Ryanair
10 Oct
STN07:30London Stansted
2h 05m
KLU10:35Klagenfurt
17 Oct
KLU11:00Klagenfurt
2h 05m
STN12:05London Stansted
£31
Ryanair
28 Sept
STN06:45London Stansted
2h 05m
KLU09:50Klagenfurt
30 Sept
KLU16:05Klagenfurt
2h 05m
STN17:10London Stansted
£34
Ryanair
28 Sept
STN06:45London Stansted
2h 05m
KLU09:50Klagenfurt
30 Sept
KLU16:05Klagenfurt
2h 05m
STN17:10London Stansted
£35

Lufthansa flights from London to Klagenfurt

Our best Lufthansa deals on London to Klagenfurt flight tickets
Lufthansa
14 Sept
LHR07:25London Heathrow
5h 35m
2 stops
KLU14:00Klagenfurt
30 Sept
KLU15:00Klagenfurt
8h 10m
2 stops
LHR22:10London Heathrow
£215
Lufthansa
11 Sept
LHR07:25London Heathrow
29h 35m
2 stops
KLU14:00Klagenfurt
18 Sept
KLU05:50Klagenfurt
12h 50m
2 stops
LHR17:40London Heathrow
£223
Lufthansa
11 Sept
LHR07:25London Heathrow
29h 35m
2 stops
KLU14:00Klagenfurt
18 Sept
KLU05:50Klagenfurt
12h 50m
2 stops
LHR17:40London Heathrow
£224

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 30 July 2026.
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

Cheapest return flight
Fastest return journey

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Sat 10/10

07:30-10:35

Nonstop2h 05m

Klagenfurt

Sat 17/10

11:00-12:05

Nonstop2h 05m

£31

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Mon 28/9

06:45-09:50

Nonstop2h 05m

Klagenfurt

Wed 30/9

16:05-17:10

Nonstop2h 05m

£34

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Mon 28/9

06:45-09:50

Nonstop2h 05m

Klagenfurt

Wed 30/9

16:05-17:10

Nonstop2h 05m

£35

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Mon 21/9

06:45-09:50

Nonstop2h 05m

Klagenfurt

Wed 30/9

16:05-17:10

Nonstop2h 05m

£35

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Sat 19/9

08:10-11:15

Nonstop2h 05m

Klagenfurt

Mon 21/9

15:45-07:30

2 stops16h 45m

£92

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Mon 14/9

20:50-14:40

2 stops16h 50m

Klagenfurt

Wed 30/9

16:05-17:10

Nonstop2h 05m

£92

LondonKlagenfurt

LTN - KLU

LTNKLU

London Luton

Wed 16/9

05:40-17:20

2 stops10h 40m

Klagenfurt

Mon 21/9

15:45-11:00

2 stops20h 15m

£148

LondonKlagenfurt

LHR - KLU

LHRKLU

London Heathrow

Mon 14/9

06:00-14:00

1 stop7h 00m

Klagenfurt

Wed 30/9

15:00-21:40

1 stop7h 40m

£182

LondonKlagenfurt

LHR - KLU

LHRKLU

London Heathrow

Sat 19/9

06:00-14:00

1 stop7h 00m

Klagenfurt

Wed 30/9

15:00-21:40

1 stop7h 40m

£183

LondonKlagenfurt

LHR - KLU

LHRKLU

London Heathrow

Mon 21/9

06:00-14:00

1 stop7h 00m

Klagenfurt

Wed 30/9

15:00-21:40

1 stop7h 40m

£184

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

Prices are currently low for flights on this route.

Typical prices usually range from £184 to £323.
The lowest price recently found on this route was £31.

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 October to fly from London, when ticket prices are also cheap, with an average price of £47.

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 London. The lowest ticket price found for a Thursday departure recently was £48. 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 Wednesday because tickets tend to average around £119. 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 afternoon. Our users have found flights to Klagenfurt in the afternoon for as low as £48. In contrast, the most expensive time of day to depart to Klagenfurt is in the morning when prices are around £114.

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 July 2026, prices for London to Klagenfurt flights are approximately 77% 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

Fastest flight time

2h 05m

Direct flights

Tue, Thu and Sun

Airports in Klagenfurt

1 airport
The fastest flight from London to Klagenfurt takes 2h 05m
Direct flights go from London to Klagenfurt on Tuesday, Thursday and Sunday. Airline offering direct flights is Ryanair..
There is 1 airport in Klagenfurt. From London there are direct flights to Klagenfurt (KLU).
Search flight deals

Frequently asked questions about flying from London to Klagenfurt

  • 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 £41Free CancellationRating
6.9
5,449 reviews
Search Ryanair flights
Austrian AirlinesPriceFrom £168Free CancellationRating
7.6
950 reviews
Search Austrian Airlines flights

  • Ryanair Flights From London to Klagenfurt

    Ryanair is one of the most popular airlines flying from London to Klagenfurt, operating 1 flight/week on average for this route. A good Ryanair flight deal for London to Klagenfurt starts from £41 round-trip, up to an average price of £87. Our users have rated Ryanair at 6.9/10.

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.

An easier way to manage your Klagenfurt trip

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