How long is the flight from London to Klagenfurt?

Airlines like Austrian Airlines fly from London to Klagenfurt in about 3h 55m. The time it takes to get you to your destination can typically vary by up to . There are 745 mi between London and Klagenfurt.

What are the cheapest airlines flying from London to Klagenfurt round-trip?

Flying on Ryanair is currently your cheapest option to Klagenfurt, with prices starting at £39. Another option worth looking into is Austrian Airlines, starting at £169 return. You may be able to fly from London to Klagenfurt for 80% less than the average price by searching for these airlines.

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.

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).

What are the most popular routes from London to Klagenfurt?

While some choose either London Gatwick - Klagenfurt or London Luton - Klagenfurt, London Heathrow - Klagenfurt is the most popular route from London to Klagenfurt.

What airport do you fly into for flights to Klagenfurt from London?

Klagenfurt (KLU), located 2.0 mi from the city center, is the airport you fly into when you book flights from London to Klagenfurt. 2 airlines have flights to Klagenfurt from London on a regular basis. Booking flights from London to Klagenfurt should not be difficult; the airport handles an average of 0 inbound flights from London per day.

Can I find deals for flights from London to Klagenfurt that include hotel bookings?

Yes. In addition to deals on London to Klagenfurt flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to Klagenfurt?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Klagenfurt.

Can I find deals for business class flights from London to Klagenfurt?

Yes. Cheapflights offers flight deals from London to Klagenfurt by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£26+ Cheap Flights from London to Klagenfurt

Cheap flight deals from London to Klagenfurt

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from London to Klagenfurt
Explore the most affordable flight options available from London to Klagenfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2026.

Mon 12/1006:45 -

Nonstop2h 05m

Mon 19/1010:30 -

Nonstop2h 05m

Deal found 11/10£42

Sat 17/1007:30 -

Nonstop2h 05m

Mon 19/1010:30 -

Nonstop2h 05m

Deal found 10/10£55

Mon 12/1009:10 -

1 stop28h 30m

Mon 19/1015:45 -

1 stop9h 05m

Deal found 11/10£168

Tue 10/1119:25 -

1 stop14h 30m

Tue 17/1111:15 -

1 stop3h 50m

Deal found 9/10£180

Mon 9/1119:25 -

1 stop14h 05m

Mon 16/1111:40 -

1 stop21h 40m

Deal found 9/10£183

Wed 18/1106:00 -

1 stop3h 55m

Wed 25/1111:40 -

1 stop8h 00m

Deal found 10/10£184

Wed 25/1106:00 -

1 stop3h 55m

Wed 2/1211:40 -

1 stop11h 00m

Deal found 11/10£186

Sun 8/1106:00 -

1 stop3h 30m

Sun 15/1111:15 -

1 stop22h 05m

Deal found 11/10£187

Tue 24/1106:00 -

1 stop3h 30m

Tue 1/1211:15 -

1 stop8h 25m

Deal found 10/10£187

Thu 5/1106:00 -

1 stop3h 55m

Mon 9/1111:40 -

1 stop8h 00m

Deal found 12/10£188

Thu 12/1106:00 -

1 stop3h 55m

Fri 20/1111:15 -

1 stop11h 25m

Deal found 13/10£191

Mon 9/1106:00 -

1 stop3h 55m

Mon 16/1111:40 -

2 stops12h 15m

Deal found 9/10£196

Best flights from London to Klagenfurt
Discover carefully curated flight deals from London to Klagenfurt that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

Wed 18/1106:00 -

1 stop3h 55m

Wed 25/1111:40 -

1 stop8h 00m

Deal found 10/10£184

Mon 9/1106:00 -

1 stop3h 55m

Mon 16/1111:40 -

2 stops12h 15m

Deal found 9/10£196

Mon 9/1109:30 -

2 stops24h 00m

Mon 16/1111:40 -

2 stops8h 55m

Deal found 9/10£230

Tue 24/1106:00 -

1 stop3h 30m

Tue 1/1211:15 -

1 stop8h 25m

Deal found 10/10£187

Wed 25/1106:00 -

1 stop3h 55m

Wed 2/1211:40 -

2 stops7h 50m

Deal found 11/10£200

Thu 5/1106:00 -

1 stop3h 55m

Mon 9/1111:40 -

1 stop8h 00m

Deal found 12/10£188

Wed 25/1111:30 -

2 stops22h 25m

Wed 2/1211:40 -

2 stops12h 15m

Deal found 11/10£231

Thu 12/1106:00 -

1 stop3h 55m

Fri 20/1111:15 -

1 stop11h 25m

Deal found 13/10£191

Mon 2/1119:30 -

2 stops14h 00m

Mon 9/1111:40 -

1 stop11h 00m

Deal found 9/10£224

Thu 5/1119:30 -

2 stops14h 00m

Mon 9/1111:40 -

1 stop8h 00m

Deal found 12/10£224

Thu 12/1119:30 -

2 stops14h 00m

Fri 20/1111:15 -

1 stop11h 25m

Deal found 13/10£228

Fri 11/1206:00 -

1 stop3h 30m

Sun 13/1211:15 -

1 stop22h 05m

Deal found 10/10£242

Thu 12/1121:20 -

1 stop14h 00m

Tue 24/1111:15 -

1 stop11h 15m

Deal found 13/10£244

Fri 27/1106:45 -

1 stop4h 35m

Fri 4/1213:00 -

1 stop5h 35m

Deal found 13/10£275

Thu 29/1021:20 -

1 stop11h 35m

Mon 2/1112:25 -

1 stop9h 40m

Deal found 14/10£283

Wed 25/1109:10 -

3 stops24h 45m

Wed 2/1211:40 -

3 stops21h 50m

Deal found 11/10£320

Fri 20/1106:45 -

1 stop4h 35m

Sun 22/1111:15 -

1 stop5h 55m

Deal found 13/10£323

Sun 25/1019:25 -

1 stop14h 05m

Mon 2/1112:25 -

1 stop9h 40m

Deal found 14/10£325

Sat 31/1007:55 -

1 stop5h 40m

Mon 2/1112:25 -

1 stop9h 40m

Deal found 14/10£326

Mon 26/1017:10 -

1 stop16h 20m

Mon 2/1112:25 -

1 stop9h 40m

Deal found 14/10£329

Fri 27/1121:30 -

3 stops36h 00m

Fri 4/1213:00 -

2 stops15h 20m

Deal found 13/10£338

Tue 24/1108:05 -

3 stops25h 50m

Tue 1/1211:15 -

2 stops21h 40m

Deal found 10/10£362

Thu 17/1214:50 -

2 stops18h 40m

Sun 20/1211:15 -

2 stops30h 45m

Deal found 13/10£367

Fri 11/1206:45 -

1 stop4h 35m

Sun 13/1215:05 -

2 stops9h 54m

Deal found 10/10£369

Mon 2/1115:05 -

3 stops18h 25m

Fri 6/1113:00 -

2 stops15h 20m

Deal found 13/10£369

Sun 27/1220:55 -

2 stops12h 35m

Fri 1/113:00 -

1 stop10h 30m

Deal found 11/10£375

Tue 24/1107:00 -

3 stops26h 55m

Tue 1/1211:15 -

2 stops24h 15m

Deal found 10/10£388

Sun 8/1119:10 -

2 stops16h 10m

Sun 15/1111:15 -

2 stops11h 45m

Deal found 11/10£434

Sun 1/1119:10 -

2 stops15h 35m

Wed 4/1111:40 -

3 stops11h 20m

Deal found 12/10£460

Fri 20/1121:30 -

3 stops36h 00m

Sun 22/1115:05 -

2 stops12h 45m

Deal found 13/10£461

Find flight deals from London to Klagenfurt

Round-trip from	£180
One-way from	£26
Popular in	April
Cheapest in	January
Average price	£47
Good round-trip deal	£39 or less

Austrian Airlines
10/11-17/11
2 total stops
18h 20m total
London to Klagenfurt

Search Deals

Ryanair
24/10-31/12
Nonstop
2h 05m total
London to Klagenfurt

Search Deals

Highest demand for flights based on searches. 36% potential increase in price (£85 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 28% potential price decrease (£34 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from London (LON) to Klagenfurt.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKlagenfurt

STN London Stansted - KLU Klagenfurt

STNKLU

London Stansted

Tue 20/10

19:30-17:20

2 stops20h 50m

Klagenfurt

Wed 31/12

00:00-00:00

Nonstop0h 00m

£69

LondonKlagenfurt

STN London Stansted - KLU Klagenfurt

STNKLU

London Stansted

Thu 22/10

16:25-21:45

1 stop28h 20m

Klagenfurt

Wed 31/12

00:00-00:00

Nonstop0h 00m

£74

LondonKlagenfurt

LTN London Luton - KLU Klagenfurt

LTNKLU

London Luton

Mon 19/10

11:40-14:40

1 stop26h 00m

Klagenfurt

Wed 31/12

00:00-00:00

Nonstop0h 00m

£76

LondonKlagenfurt

LHR London Heathrow - KLU Klagenfurt

LHRKLU

London Heathrow

Tue 20/10

20:50-17:20

2 stops19h 30m

Klagenfurt

Wed 31/12

00:00-00:00

Nonstop0h 00m

£89

LondonKlagenfurt

STN London Stansted - KLU Klagenfurt

STNKLU

London Stansted

Mon 19/10

07:45-15:10

1 stop6h 25m

Klagenfurt

Wed 31/12

00:00-00:00

Nonstop0h 00m

£102

LondonKlagenfurt

STN London Stansted - KLU Klagenfurt

STNKLU

London Stansted

Sat 9/1

06:10-10:30

1 stop27h 20m

Klagenfurt

Wed 31/12

00:00-00:00

Nonstop0h 00m

£110

LondonKlagenfurt

STN London Stansted - KLU Klagenfurt

STNKLU

London Stansted

Mon 16/11

07:00-12:20

1 stop4h 20m

Klagenfurt

Wed 31/12

00:00-00:00

Nonstop0h 00m

£111

LondonKlagenfurt

STN London Stansted - KLU Klagenfurt

STNKLU

London Stansted

Mon 19/10

20:50-14:40

2 stops16h 50m

Klagenfurt

Wed 31/12

00:00-00:00

Nonstop0h 00m

£113

LondonKlagenfurt

STN London Stansted - KLU Klagenfurt

STNKLU

London Stansted

Mon 12/4

07:40-13:50

1 stop29h 10m

Klagenfurt

Wed 31/12

00:00-00:00

Nonstop0h 00m

£118

LondonKlagenfurt

STN London Stansted - KLU Klagenfurt

STNKLU

London Stansted

Thu 10/12

21:20-12:20

1 stop14h 00m

Klagenfurt

Wed 31/12

00:00-00:00

Nonstop0h 00m

£118

Flights are sorted by cheapest return flights first.

Deals found on 9/10

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from London to Klagenfurt

Have a flexible travel schedule? Discover the best time to fly to Klagenfurt from London with our price prediction graph.

LON-KLU

STN-KLU

LHR-KLU

LTN-KLU

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 from London to Klagenfurt

LON-KLU

STN-KLU

LHR-KLU

LTN-KLU

What is the cheapest month to book a flight from London to Klagenfurt?

Currently, January is the cheapest month in which you can book a flight from London to Klagenfurt (average of £36). Flying from London to Klagenfurt in April is currently the most expensive (average of £681). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to KLU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Klagenfurt as you normally would.

How much does it cost for a return flight from London to Klagenfurt?

Airfare is above average for this route at the moment.

London to Klagenfurt flights typically cost between £46 and £127 in March.
The cheapest return price found within the last 5 days was £165 on Ryanair (31 Mar–7 Apr).

Reviews of airlines servicing Klagenfurt

Read through reviews of airlines operating flights from London to Klagenfurt, such as Austrian Airlines and Ryanair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Austrian Airlines

7.6

Good

980 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edward,Jul 2026

YUL - VIE

I was upgraded to business class due to my bid because accepted. EXTREMELY polite and friendly service. Decent seats and good food. Highly recommend it. If you can arrange to travel on a day when not very many business people are traveling (e.g., Wednesday) then you can possibly get an excellent seat at a great price.

Austrian Airlines

7.6

Good

980 reviews

Austrian Airlines

7.6

Good

980 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edward,Jul 2026

YUL - VIE

Ryanair

6.9

Okay

5,445 reviews

Austrian Airlines

7.6

Good

980 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edward,Jul 2026

YUL - VIE

Related info for your journey

What airport do you fly into for flights to Klagenfurt from London?
Klagenfurt (KLU), located 2.0 mi from the city center, is the airport you fly into when you book flights from London to Klagenfurt. 2 airlines have flights to Klagenfurt from London on a regular basis. Booking flights from London to Klagenfurt should not be difficult; the airport handles an average of 0 inbound flights from London per day.
How long is the flight from London to Klagenfurt?
Airlines like Austrian Airlines fly from London to Klagenfurt in about 3h 55m. The time it takes to get you to your destination can typically vary by up to . There are 745 mi between London and Klagenfurt.
What are the cheapest airlines flying from London to Klagenfurt round-trip?
Flying on Ryanair is currently your cheapest option to Klagenfurt, with prices starting at £39. Another option worth looking into is Austrian Airlines, starting at £169 return. You may be able to fly from London to Klagenfurt for 80% less than the average price by searching for these airlines.
What are the most popular routes from London to Klagenfurt?
While some choose either London Gatwick - Klagenfurt or London Luton - Klagenfurt, London Heathrow - Klagenfurt is the most popular route from London to Klagenfurt.
Can I find deals for flights from London to Klagenfurt that include hotel bookings?
Yes. In addition to deals on London to Klagenfurt flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Klagenfurt?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Klagenfurt.
Can I find deals for business class flights from London to Klagenfurt?
Yes. Cheapflights offers flight deals from London to Klagenfurt by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London to Klagenfurt?
Currently, January is the cheapest month in which you can book a flight from London to Klagenfurt (average of £36). Flying from London to Klagenfurt in April is currently the most expensive (average of £681). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from London to Klagenfurt

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£39	Average£102	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Austrian Airlines	Cheapest£169	Average£294	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights

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Cheapflights helps you search for flights from London to Klagenfurt via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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Cheapflights helps you find that perfect flight to Klagenfurt from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Klagenfurt flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Klagenfurt become cheaper?

Yes, Cheapflights offers price alerts on London to Klagenfurt flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from London to Klagenfurt from £26

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Klagenfurt

Cheapest flights from London to KlagenfurtExplore the most affordable flight options available from London to Klagenfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2026.

Explore the most affordable flight options available from London to Klagenfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2026.

Best flights from London to KlagenfurtDiscover carefully curated flight deals from London to Klagenfurt that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

Discover carefully curated flight deals from London to Klagenfurt that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

Direct flights from London to KlagenfurtExplore direct flight options from London to Klagenfurt based on user searches, and compare prices and availability for your desired travel dates. Data last updated 14 October 2026.

Explore direct flight options from London to Klagenfurt based on user searches, and compare prices and availability for your desired travel dates. Data last updated 14 October 2026.

Last-minute flights from London to KlagenfurtDiscover last-minute flight deals from London to Klagenfurt. Data last updated 14 October 2026 and is based on user searches.

Discover last-minute flight deals from London to Klagenfurt. Data last updated 14 October 2026 and is based on user searches.

One-way flights from London to KlagenfurtSearch for one-way flight options from London to Klagenfurt. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.

Search for one-way flight options from London to Klagenfurt. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.

Find flight deals from London to Klagenfurt

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Popular in

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Use the filters below to find and compare flights from London to Klagenfurt that are best for you.

Best time to book a flight from London to Klagenfurt

Have a flexible travel schedule? Discover the best time to fly to Klagenfurt from London with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from London to Klagenfurt?

What is the cheapest time of day to fly from LON to KLU?

Find hourly flight availability from London to Klagenfurt. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 October 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Klagenfurt as you normally would.

How much does it cost for a return flight from London to Klagenfurt?

Airfare is above average for this route at the moment.

London to Klagenfurt flights typically cost between £46 and £127 in March.The cheapest return price found within the last 5 days was £165 on Ryanair (31 Mar–7 Apr).

Reviews of airlines servicing Klagenfurt

Read through reviews of airlines operating flights from London to Klagenfurt, such as Austrian Airlines and Ryanair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Klagenfurt from London?

How long is the flight from London to Klagenfurt?

What are the cheapest airlines flying from London to Klagenfurt round-trip?

What are the most popular routes from London to Klagenfurt?

Can I find deals for flights from London to Klagenfurt that include hotel bookings?

How can I find direct flights from London to Klagenfurt?

Can I find deals for business class flights from London to Klagenfurt?

What is the cheapest month to book a flight from London to Klagenfurt?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Klagenfurt

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Klagenfurt by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Austria

Book a non-stop flight to one of these other cities located in Austria.

Search flights from London to Klagenfurt by cabin class

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Other flights to Klagenfurt

Explore flights to Klagenfurt departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 14 October 2026.

London and Klagenfurt flights

Browse other London and Klagenfurt flight options. Last updated on 14 October 2026.

Other flights from London

Browse through other flights departing from London. Flights are based on user searches made on Cheapflights and were last updated on 14 October 2026.

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Top 2 airlines flying from London to Klagenfurt

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How does Cheapflights help users find flights from London to Klagenfurt?

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Can Cheapflights notify me if prices for flights from London to Klagenfurt become cheaper?

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Cheapest flights from London to Klagenfurt
Explore the most affordable flight options available from London to Klagenfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2026.

Best flights from London to Klagenfurt
Discover carefully curated flight deals from London to Klagenfurt that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

Direct flights from London to Klagenfurt
Explore direct flight options from London to Klagenfurt based on user searches, and compare prices and availability for your desired travel dates. Data last updated 14 October 2026.

Last-minute flights from London to Klagenfurt
Discover last-minute flight deals from London to Klagenfurt. Data last updated 14 October 2026 and is based on user searches.

One-way flights from London to Klagenfurt
Search for one-way flight options from London to Klagenfurt. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.

London to Klagenfurt flights typically cost between £46 and £127 in March.
The cheapest return price found within the last 5 days was £165 on Ryanair (31 Mar–7 Apr).