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£40+ Cheap flights to Klagenfurt

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
— KLU
18 Jun — 25 Jun1
1 adult

Flights to Klagenfurt in 2025

Find the latest flights to Klagenfurt in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 13 June 2025.

Return from

£40

One-way from

£59

Popular in

December

Cheapest in

January

Average price

£138

Good round-trip deal

£50 or less

Good one-way deal

£93 or less
Ryanair
  • Ryanair
  • 3/7-20/7
  • Nonstop
  • 4h 10m total
  • London to Klagenfurt
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24/6
  • 24/6
  • 1 total stop
  • 27h 40m total
  • London to Klagenfurt
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Highest demand for flights based on searches. 10% potential increase in price.
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Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
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Average for return flights in June 2025
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Price to beat on a round-trip flight from London to Klagenfurt.
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Price to beat on a one-way flight from London to Klagenfurt.
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Find flight deals to Klagenfurt

Cheapest flights to Klagenfurt
Explore the most affordable flight options available to Klagenfurt. Find the lowest fares based on data from user searches, with prices last updated on 13 June 2025.

Thu 10/718:55STN - KLU
Nonstop2h 05mRyanair
Thu 17/722:25KLU - STN
Nonstop2h 05mRyanair
Deal found 12/6£62
Thu 10/718:55STN - KLU
Nonstop2h 05mMultiple Airlines
Thu 17/714:55KLU - STN
2 stops32h 00mMultiple Airlines
Deal found 12/6£122
Tue 24/611:40LTN - KLU
1 stop27h 40mMultiple Airlines
Tue 1/708:45KLU - LTN
1 stop24h 15mMultiple Airlines
Deal found 12/6£134
Mon 8/921:35LGW - KLU
1 stop9h 40mMultiple Airlines
Thu 11/914:55KLU - LGW
1 stop18h 45mMultiple Airlines
Deal found 12/6£157
Sun 14/906:00LHR - KLU
1 stop16h 25mAustrian Airlines
Thu 18/915:00KLU - LHR
1 stop7h 40mAustrian Airlines
Deal found 12/6£174
Wed 6/807:25LHR - KLU
2 stops5h 35mMultiple Airlines
Tue 12/805:45KLU - LHR
1 stop9h 35mMultiple Airlines
Deal found 11/6£202
Thu 3/717:30LTN - KLU
1 stop27h 40mRyanair
Sun 6/721:10KLU - LTN
1 stop25h 00mRyanair
Deal found 11/6£206
Thu 10/706:55LHR - KLU
2 stops6h 05mLufthansa
Thu 17/715:00KLU - LHR
2 stops8h 40mLufthansa
Deal found 12/6£216
Mon 8/906:30SEN - KLU
1 stop24h 45mMultiple Airlines
Thu 11/914:55KLU - SEN
1 stop6h 10mMultiple Airlines
Deal found 12/6£230
Fri 11/712:20LGW - KLU
1 stop8h 50mRyanair
Sun 13/719:15KLU - LGW
1 stop22h 45mRyanair
Deal found 12/6£244
Wed 6/808:45LCY - KLU
2 stops13h 40mLufthansa
Tue 12/805:45KLU - LCY
2 stops11h 40mLufthansa
Deal found 11/6£269
Thu 7/808:45LCY - KLU
2 stops13h 40mMultiple Airlines
Wed 13/805:45KLU - LCY
2 stops11h 40mMultiple Airlines
Deal found 11/6£327

Cheapflights Fare Finder

Locate flights to Klagenfurt that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 13 June 2025.
Use the filters below to find and compare flights to Klagenfurt that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Thu 3/7

18:55-22:00

Nonstop2h 05m

Klagenfurt

Thu 10/7

22:25-23:30

Nonstop2h 05m

£49

LondonKlagenfurt

STN - KLU

STNKLU

London Stansted

Thu 10/7

18:55-22:00

Nonstop2h 05m

Klagenfurt

Thu 17/7

14:55-21:55

2 stops32h 00m

£122

LondonKlagenfurt

LTN - KLU

LTNKLU

London Luton

Tue 24/6

11:40-16:20

1 stop27h 40m

Klagenfurt

Tue 1/7

08:45-08:00

1 stop24h 15m

£134

LondonKlagenfurt

LGW - KLU

LGWKLU

London Gatwick

Mon 8/9

21:35-08:15

1 stop9h 40m

Klagenfurt

Thu 11/9

14:55-08:40

1 stop18h 45m

£157

LondonKlagenfurt

LHR - KLU

LHRKLU

London Heathrow

Sun 14/9

06:00-23:25

1 stop16h 25m

Klagenfurt

Thu 18/9

15:00-21:40

1 stop7h 40m

£174

LondonKlagenfurt

LHR - KLU

LHRKLU

London Heathrow

Wed 6/8

07:25-14:00

2 stops5h 35m

Klagenfurt

Tue 12/8

05:45-14:20

1 stop9h 35m

£202

LondonKlagenfurt

LTN - KLU

LTNKLU

London Luton

Thu 3/7

17:30-22:10

1 stop27h 40m

Klagenfurt

Sun 6/7

21:10-21:10

1 stop25h 00m

£206

LondonKlagenfurt

LHR - KLU

LHRKLU

London Heathrow

Thu 10/7

06:55-14:00

2 stops6h 05m

Klagenfurt

Thu 17/7

15:00-22:40

2 stops8h 40m

£216

LondonKlagenfurt

SEN - KLU

SENKLU

London Southend

Mon 8/9

06:30-08:15

1 stop24h 45m

Klagenfurt

Thu 11/9

14:55-20:05

1 stop6h 10m

£230

LondonKlagenfurt

LGW - KLU

LGWKLU

London Gatwick

Fri 11/7

12:20-22:10

1 stop8h 50m

Klagenfurt

Sun 13/7

19:15-17:00

1 stop22h 45m

£244

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 25 results
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Best time to book a flight to Klagenfurt

Have a flexible travel schedule? Discover the best time to fly to Klagenfurt with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Klagenfurt

When is the best time to book a flight to Klagenfurt?

Use this chart to determine the optimal time to book a return flight from London to Klagenfurt. Price data was last updated on 9 June 2025.

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights to Klagenfurt. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

How long is the flight to Klagenfurt?

On average, a flight from London to Klagenfurt takes 11 hours 53 minutes. Flights to Klagenfurt from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Klagenfurt?

The most popular airlines flying from London to Klagenfurt are Ryanair and Austrian Airlines.

Ryanair
Ryanair
From £52
Austrian Airlines
Austrian Airlines
From £210

What are the cheapest airlines that fly to Klagenfurt?

The cheapest airlines flying from London to Klagenfurt are Ryanair and Austrian Airlines.

Rainfall in Klagenfurt by month

Plan your trip to Klagenfurt by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Klagenfurt ranges from 40.0 - 110.0 inches per month. June is typically the wettest month, when rainfall can reach 110.0 mm. January is typically the driest time to visit Klagenfurt when rainfall is around 40.0 mm.

Temperature in Klagenfurt by month

Plan your trip to Klagenfurt by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Klagenfurt, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -4.0 C).

Reviews of airlines servicing Klagenfurt

Get insights into the airlines that provide service to Klagenfurt. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Klagenfurt. Reviews last updated 13 June 2025.
To help decide which airline to fly to Klagenfurt, see what other customers have to say about Austrian Airlines, Ryanair and Lufthansa. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
802 reviews
Check prices

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Shuguang,May 2025

VIE - BOS

I will fly again and highly recommend Austrian Airlines to my family, friends and colleagues!
Austrian Airlines
7.6
Good
802 reviews
Austrian Airlines
7.6
Good
802 reviews
Check prices

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Shuguang,May 2025

VIE - BOS

I will fly again and highly recommend Austrian Airlines to my family, friends and colleagues!
Ryanair
6.9
Okay
5,123 reviews
Austrian Airlines
7.6
Good
802 reviews
Check prices

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Shuguang,May 2025

VIE - BOS

I will fly again and highly recommend Austrian Airlines to my family, friends and colleagues!
Lufthansa
6.8
Okay
7,139 reviews
Austrian Airlines
7.6
Good
802 reviews
Check prices

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Shuguang,May 2025

VIE - BOS

I will fly again and highly recommend Austrian Airlines to my family, friends and colleagues!

FAQs about flying to Klagenfurt

  • What airport do you fly into for flights to Klagenfurt?

    Travelers will need to book flights to Klagenfurt (KLU) if they wish to fly to Klagenfurt. The Klagenfurt airport is 2.0 mi from the city center.

  • Can I find cheaper flights to Klagenfurt if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Klagenfurt on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Klagenfurt?

    Based on reviews from Cheapflights users, Ryanair is rated the highest out of the airlines that fly to Klagenfurt.

  • What is the cheapest airport to fly to in Klagenfurt?

    Klagenfurt is currently the cheapest airport to fly to in Klagenfurt. One-way flights to Klagenfurt typically cost £26, while return flights cost around £41.

  • How much is a return flight to Klagenfurt?

    A return flight to Klagenfurt will typically cost around £157, however they can be found for as little as £55.

  • Where does the fastest flight to Klagenfurt depart from?

    For those looking to save time traveling to Klagenfurt, London offers the quickest one-way flight (2 hours 5 minutes).

  • Does Klagenfurt have car hire?

    Yes. Those touching down at Klagenfurt can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Klagenfurt?

    Yes. Klagenfurt has hotels nearby for those requiring accommodations. Schlosshotel St. Georgen is the closest property to Klagenfurt (0.0 mi away from Klagenfurt).

See more FAQs

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