KLU

£26 Find Cheap Flights to Klagenfurt – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£180
Typical prices: £94-£292
Austrian Airlines
Sat 10/11Sat 17/11
LHR - KLU • 1 stop
Cheapest one-way flight
£26
Typical prices: £34-£205
Ryanair
Wed 24/10
STN - KLU • Direct
Top airlines
Best reviews • 7.6 score
Airline reviews
Airline reviews
Top routes
Cheapest • 36% average savings
Most popular
Insights
Insights
When to travel
Cheapest • 80% price drop
Most popular
Good to know
+1
Good to know
+1
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We hope you enjoy your trip to Klagenfurt!
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Flight Deals

Cheap Flights to Klagenfurt

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals to Klagenfurt

Tue, 10 Nov - Tue, 17 Nov
Austrian Airlines Logo
19:25 - 10:55LHR  London Heathrow-KLU Klagenfurt
14h 30m1 stop Vienna Intl
Austrian Airlines Logo
11:15 - 14:05KLU  Klagenfurt-LHR London Heathrow
3h 50m1 stop Vienna Intl
£180Austrian Airlines
Mon, 9 Nov - Mon, 16 Nov
Austrian Airlines Logo
19:25 - 10:30LHR  London Heathrow-KLU Klagenfurt
14h 05m1 stop Vienna Intl
Austrian Airlines Logo
11:40 - 08:20KLU  Klagenfurt-LHR London Heathrow
21h 40m1 stop Vienna Intl
£183Austrian Airlines
Wed, 18 Nov - Wed, 25 Nov
Austrian Airlines Logo
06:00 - 10:55LHR  London Heathrow-KLU Klagenfurt
3h 55m1 stop Vienna Intl
Austrian Airlines Logo
11:40 - 18:40KLU  Klagenfurt-LHR London Heathrow
8h 00m1 stop Vienna Intl
£183Austrian Airlines
Wed, 18 Nov - Wed, 25 Nov
Austrian Airlines Logo
06:00 - 10:55LHR  London Heathrow-KLU Klagenfurt
3h 55m1 stop Vienna Intl
Austrian Airlines Logo
11:40 - 18:40KLU  Klagenfurt-LHR London Heathrow
8h 00m1 stop Vienna Intl
£184Austrian Airlines
Sun, 15 Nov - Sun, 22 Nov
Austrian Airlines Logo
06:00 - 10:30LHR  London Heathrow-KLU Klagenfurt
3h 30m1 stop Vienna Intl
Austrian Airlines Logo
11:15 - 08:20KLU  Klagenfurt-LHR London Heathrow
22h 05m1 stop Vienna Intl
£184Austrian Airlines
Mon, 23 Nov - Mon, 30 Nov
Austrian Airlines Logo
06:00 - 10:55LHR  London Heathrow-KLU Klagenfurt
3h 55m1 stop Vienna Intl
Austrian Airlines Logo
11:40 - 08:20KLU  Klagenfurt-LHR London Heathrow
21h 40m1 stop Vienna Intl
£185Austrian Airlines
Wed, 25 Nov - Wed, 2 Dec
Austrian Airlines Logo
06:00 - 10:55LHR  London Heathrow-KLU Klagenfurt
3h 55m1 stop Vienna Intl
Austrian Airlines Logo
11:40 - 21:40KLU  Klagenfurt-LHR London Heathrow
11h 00m1 stop Vienna Intl
£186Austrian Airlines
Sun, 8 Nov - Sun, 15 Nov
Austrian Airlines Logo
06:00 - 10:30LHR  London Heathrow-KLU Klagenfurt
3h 30m1 stop Vienna Intl
Austrian Airlines Logo
11:15 - 08:20KLU  Klagenfurt-LHR London Heathrow
22h 05m1 stop Vienna Intl
£187Austrian Airlines
Tue, 10 Nov - Tue, 17 Nov
Multiple Airlines Logo
09:05 - 10:55LHR  London Heathrow-KLU Klagenfurt
24h 50m1 stop Vienna Intl
Multiple Airlines Logo
11:15 - 22:55KLU  Klagenfurt-LHR London Heathrow
12h 40m2 stops Vienna Intl Munich Franz Josef Strauss
£196Multiple Airlines
Mon, 9 Nov - Mon, 16 Nov
Multiple Airlines Logo
06:00 - 10:55LHR  London Heathrow-KLU Klagenfurt
3h 55m1 stop Vienna Intl
Multiple Airlines Logo
11:40 - 22:55KLU  Klagenfurt-LHR London Heathrow
12h 15m2 stops Vienna Intl Munich Franz Josef Strauss
£196Multiple Airlines
Booking Insights

Price, demand, and travel trends for flights to Klagenfurt

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What is the cheapest flight to Klagenfurt?

London Heathrow Airport to Klagenfurt is the cheapest route at £180 return, found in the past 5 days on KAYAK. KAYAK data shows this is also the most popular route.

How much is a flight to Klagenfurt?

On average, a return flight from the United Kingdom to Klagenfurt costs £182, based on KAYAK data over the past 12 months. Return fares from London average £162, while Newcastle upon Tyne runs a bit higher at £273.

What is the cheapest day to fly to Klagenfurt?

Monday is the cheapest day to fly to Klagenfurt at £112 return on average over the past 12 months on KAYAK. Friday is the most expensive at £329.

What is the cheapest month to fly to Klagenfurt?

•January is the cheapest month to fly to Klagenfurt with an average price of £36 return.
•November (£581) and April (£468) are the most expensive.
•Based on KAYAK data over the past 12 months.

What is the cheapest time of day to fly to Klagenfurt?

Afternoon flights to Klagenfurt are the cheapest at £128 return on average. Morning flights are the most expensive at £230.

What is a good deal for flights to Klagenfurt?

Flights under £94 are considered a good deal. 25% of KAYAK users found return flights to Klagenfurt at or below these prices, with the lowest fares from:
•London £82.

Key details for flights to Klagenfurt

Low season

November

Cheapest flight

£26
Beat the crowds with an average 67% drop in traveller numbers.
The most popular month to fly with an average 73% increase in traveller numbers.
One-way flight from London Stansted Airport to Klagenfurt

When to book flights to Klagenfurt

Are your dates flexible? Find out the best times to travel to Klagenfurt based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your questions about flights to Klagenfurt, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • How do I know if a flight to Klagenfurt is a good deal?

    A good deal on a flight to Klagenfurt is around £94 return. This fare is in the lowest 25% of return flight prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

  • How long is a direct flight to Klagenfurt?

    Direct flights to Klagenfurt are available from London, with a flight time of about 2h 05m.

  • Which city has the cheapest flights to Klagenfurt?

    Based on fares booked in the past 5 days, the cheapest flights to Klagenfurt are from London, starting at £180 return.

  • What is the difference between the most popular and the most frequent airline at Klagenfurt?

    Ryanair operates the most flights from the United Kingdom to Klagenfurt at 0 per week, and for this route Ryanair is also the airline most often selected by KAYAK users searching for flights from the United Kingdom to Klagenfurt. The two are sometimes different because flight volume reflects an airline's schedule, while popularity reflects traveller choice.

Your guide to booking Klagenfurt flights

From booking to airport arrival, find tips to help you plan your flight with more confidence.
  • For flights to Klagenfurt, a good return fare is around £94. If you find a fare below that, you're getting a strong deal.
  • If your travel dates are flexible, consider flying to Klagenfurt in January. Return fares historically average £36, making January the cheapest month to travel based on KAYAK data from the last 12 months.
  • Before you book:

    • Check the route's typical price range so you can spot a deal.
    • Confirm baggage fees and seat selection costs on budget carriers.
    • Verify whether you need any travel documents beyond an ID.
    • Pick a departure airport, since your nearest may not be the cheapest origin.
  • Shift your departure to midday to save up to £102 on a return flight. Midday flights to Klagenfurt average £128 compared to £230 for morning flights.
  • Bag allowances vary by airline, fare type, cabin class, and route. On flights to Klagenfurt, some airlines may include bags at no extra cost. For example, Ryanair includes a checked bag in Economy class. Always check the fare details before booking, since bag policies can change by ticket type.

Reviews of the top airlines flying to Klagenfurt

 
Need help choosing which airline to fly with to Klagenfurt? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.6
Austrian AirlinesOverall score based on 980 reviews
7.3Comfort
6.8Food
7.6Boarding
6.8Entertainment
8.1Crew
Airline reviews

Pre-boarding seemed tom happen at the same time as Business Class - I thought the idea was to allow people who needed extra time to board without interference from other boarding types, but I guess that's how they do it at LAX.

8.0 ExcellentAnonymous, Sept 2026
Read more Austrian Airlines reviews

Pre-boarding seemed tom happen at the same time as Business Class - I thought the idea was to allow people who needed extra time to board without interference from other boarding types, but I guess that's how they do it at LAX.

Austrian Airlines was fine - it was the Munich airport’s system for boarding with new EES requirements. Instructions were confusing, waiting lines were LONG and many people had to run to catch their flights.

It was very bad. We were delayed for 2.5 hours. After 9 hours traveling from Vienna to Washington my airplane was not on time. It was very frustrating

1) have phone numbers where we can call... a human... not this bot stuff... 2) the austrian airlines crew directs us to the airport lost and found for left behind objects, then the airport lost and found directs us back to them. Listen y'all, if you can't get this straight, what are you thinking expecting us to? Cheap, unprofessional, looks like a airline on the way to going under. If you can't afford well-trained staff... well... ask not for whom be bell tolls... it tolls for you.

The good: we liked fast boarding, the departure and arrival on-time. The not-so-good: The crew should learn from their sister-company Swiss with whom we took the flight to the US. Austrian onboard personnel need to smile more and provide a better service. Food was okay, there was the usual issue with “no more chicken” by the time they reach row X 😕. We did not understand why the crew collected trash so randomly and inadequately. We missed the free internet for messaging which was privided by Swiss as well. Hope this feedback helps.

They should be kind to the people Food is always plain pasta bread is from the fridge they don't even warm up Seat is so uncomfortable body hurts

Just overall a poor experience with little to justify the price of the ticket!

I am very satisfied for choosing that Airlines! It was my first time but the everything went smoothly! Thank you!

OK, would prefer some meat for dinner, not just pasta although was tasty. There was only one dish, no choices

From all the segments I flew it was the only one I did not get the option to choose ni seat, I did not get the quality of seat I had paid for. Crew was nice, airplane was clean, but no food, only water and a small courtesy chocolate. Everything else you had to pay for.

All good but boarding could be improved. They took us priority people early but we had to wait in the hot corridor until the plane was ready. It would have been better if they had taken us later.

Had a lovely flight arrived 25 minutes early food was good staff we lovely.

Boarded and sat on plane for 3.5 hours before taking off, Updates infrequent and no refreshments offered.

I didn't have food, and there was no entertainment as it was a short haul flight, so can't comment on those, The head cabin crew member was addressing the passengers like a telesales person reeling off terms and conditions; we didn't understand a word he was saying. This is the second time this year we have flown with Ryanair, and both times we've had to carry our luggage downstairs to walk to the plane. As were both OAP's this isn't really acceptable. We have another flight booked for September to Lanzarote, so hopefully that will be better.

Smooth journey made good time. The aircraft was littered and did not look very presentable.

We had to wait 2,5 hours in the plane before take off!!!

The flight was 1h delayed. There was a flight attendant making announcements in the cabin, but it was impossible to understand whether the information was important or not. (Although whatever she was saying, it was clearly meant to be communicated to the passengers.) From the way she spoke, it sounded like Spanish, but only thanks to catching one word out of every five or six — mumbled through her teeth — I realized she was actually speaking English. It was quite embarrassing

The table at my seat was dirty, the crew was nice, the boarding was swift. An average Ryanair experience but this time the plane was not properly cleaned between flights.

Ryanair was ok but the flight is delayed 2 hours! We dont know the reason if it was either Ryanaair or the Kos airport or Vienna Airport …

I got denied boarding bevause they said they "ran out of seats on a plane"

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