How long is the flight from London to Klagenfurt?

Airlines like Ryanair fly from London to Klagenfurt in about 2h 05m. The time it takes to get you to your destination is usually consistent. There are 729 mi between London and Klagenfurt. Most flights are nonstop.

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 £41. Another option worth looking into is Austrian Airlines, starting at £165 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 Stansted - Klagenfurt or London Gatwick - 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.

£21+ 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 2 September 2026.

Mon 5/1006:45 -

Nonstop2h 05m

Sat 17/1011:00 -

Nonstop2h 05m

Deal found 2/9£30

Sat 10/1007:30 -

Nonstop2h 05m

Sat 17/1011:00 -

Nonstop2h 05m

Deal found 28/8£30

Sat 3/1007:30 -

Nonstop2h 05m

Sat 17/1011:00 -

Nonstop2h 05m

Deal found 29/8£35

Mon 28/906:45 -

Nonstop2h 05m

Wed 30/916:05 -

Nonstop2h 05m

Deal found 1/9£36

Sat 3/1007:30 -

Nonstop2h 05m

Mon 5/1010:30 -

Nonstop2h 05m

Deal found 28/8£39

Mon 12/1011:40 -

1 stop26h 00m

Mon 19/1015:45 -

1 stop26h 45m

Deal found 28/8£121

Tue 29/906:00 -

1 stop7h 40m

Tue 6/1015:15 -

1 stop10h 15m

Deal found 30/8£129

Sun 13/916:35 -

1 stop21h 35m

Wed 23/917:55 -

1 stop7h 55m

Deal found 30/8£146

Tue 13/1007:00 -

1 stop6h 40m

Tue 20/1015:15 -

1 stop9h 00m

Deal found 29/8£148

Tue 29/907:00 -

1 stop6h 40m

Tue 6/1015:15 -

1 stop9h 00m

Deal found 30/8£160

Mon 12/1007:35 -

1 stop6h 35m

Mon 19/1015:45 -

1 stop8h 50m

Deal found 28/8£168

Mon 5/1006:00 -

1 stop6h 55m

Sat 17/1015:00 -

1 stop7h 40m

Deal found 2/9£183

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 2 September 2026.

Mon 5/1006:45 -

Nonstop2h 05m

Sat 17/1011:00 -

Nonstop2h 05m

Deal found 2/9£30

Sat 10/1007:30 -

Nonstop2h 05m

Sat 17/1011:00 -

Nonstop2h 05m

Deal found 28/8£30

Sat 3/1007:30 -

Nonstop2h 05m

Mon 5/1010:30 -

Nonstop2h 05m

Deal found 28/8£39

Sat 3/1007:30 -

Nonstop2h 05m

Mon 5/1015:45 -

2 stops16h 45m

Deal found 28/8£101

Sat 17/1007:30 -

Nonstop2h 05m

Mon 19/1010:30 -

Nonstop2h 05m

Deal found 1/9£47

Mon 14/906:45 -

Nonstop2h 05m

Sat 19/911:55 -

Nonstop2h 05m

Deal found 2/9£61

Sat 10/1006:00 -

1 stop7h 00m

Sat 17/1005:50 -

1 stop16h 50m

Deal found 28/8£185

Mon 14/906:45 -

Nonstop2h 05m

Tue 15/915:15 -

1 stop9h 20m

Deal found 1/9£84

Tue 29/906:00 -

1 stop7h 40m

Tue 6/1015:15 -

1 stop10h 15m

Deal found 30/8£129

Sat 19/908:10 -

Nonstop2h 05m

Mon 21/910:30 -

Nonstop2h 05m

Deal found 30/8£89

Thu 3/1209:50 -

2 stops23h 40m

Tue 8/1211:15 -

2 stops7h 25m

Deal found 2/9£297

Mon 14/906:45 -

Nonstop2h 05m

Fri 18/922:10 -

1 stop10h 25m

Deal found 29/8£95

Tue 29/907:00 -

1 stop6h 40m

Tue 6/1015:15 -

1 stop9h 00m

Deal found 30/8£160

Tue 29/906:00 -

1 stop7h 00m

Tue 6/1015:00 -

1 stop18h 20m

Deal found 30/8£186

Mon 12/1006:00 -

1 stop6h 55m

Mon 19/1015:00 -

1 stop18h 20m

Deal found 28/8£187

Tue 13/1006:00 -

1 stop7h 40m

Tue 20/1015:15 -

2 stops9h 10m

Deal found 29/8£183

Sun 27/906:00 -

1 stop7h 00m

Sun 4/1015:00 -

1 stop18h 20m

Deal found 28/8£197

Mon 12/1006:00 -

1 stop8h 10m

Wed 14/1017:55 -

1 stop7h 55m

Deal found 30/8£188

Sun 6/1206:00 -

1 stop3h 30m

Thu 10/1211:40 -

1 stop11h 00m

Deal found 1/9£201

Sat 10/1007:25 -

2 stops5h 35m

Sat 17/1015:00 -

1 stop18h 20m

Deal found 1/9£199

Sat 3/1006:00 -

1 stop7h 00m

Mon 5/1005:50 -

1 stop16h 50m

Deal found 28/8£217

Mon 5/1006:00 -

1 stop6h 55m

Sat 17/1005:50 -

2 stops12h 15m

Deal found 2/9£200

Wed 30/909:15 -

2 stops13h 05m

Wed 7/1015:00 -

2 stops18h 40m

Deal found 31/8£350

Tue 15/906:00 -

1 stop7h 00m

Tue 22/915:00 -

1 stop7h 40m

Deal found 30/8£221

Mon 14/907:35 -

1 stop6h 35m

Tue 15/915:15 -

2 stops18h 55m

Deal found 1/9£208

Wed 16/906:00 -

1 stop7h 00m

Tue 22/915:00 -

1 stop7h 40m

Deal found 30/8£221

Sat 17/1020:35 -

2 stops18h 15m

Mon 19/1015:45 -

1 stop9h 05m

Deal found 29/8£209

Thu 3/1209:50 -

2 stops23h 40m

Mon 7/1211:40 -

2 stops7h 00m

Deal found 31/8£378

Tue 15/907:00 -

1 stop6h 40m

Fri 18/915:45 -

1 stop4h 30m

Deal found 29/8£212

Tue 13/1018:30 -

2 stops27h 50m

Tue 20/1015:00 -

2 stops27h 55m

Deal found 29/8£385

Find flight deals from London to Klagenfurt

Round-trip from	£30
One-way from	£21
Popular in	April
Cheapest in	October
Average price	£376
Good round-trip deal	£129 or less

Ryanair
10/10-17/10
Nonstop
4h 10m total
London to Klagenfurt

Search Deals

Ryanair
3/10
Nonstop
2h 05m total
London to Klagenfurt

Search Deals

Highest demand for flights based on searches. 30% potential increase in price (£67 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 23% potential price decrease (£31 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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

Fastest return journey

LondonKlagenfurt

STN London Stansted - KLU Klagenfurt

STNKLU

London Stansted

Mon 5/10

06:45-09:50

Nonstop2h 05m

Klagenfurt

Sat 17/10

11:00-12:05

Nonstop2h 05m

£30

LondonKlagenfurt

STN London Stansted - KLU Klagenfurt

STNKLU

London Stansted

Sat 10/10

07:30-10:35

Nonstop2h 05m

Klagenfurt

Sat 17/10

11:00-12:05

Nonstop2h 05m

£30

LondonKlagenfurt

STN London Stansted - KLU Klagenfurt

STNKLU

London Stansted

Sat 3/10

07:30-10:35

Nonstop2h 05m

Klagenfurt

Mon 5/10

10:30-11:35

Nonstop2h 05m

£39

LondonKlagenfurt

STN London Stansted - KLU Klagenfurt

STNKLU

London Stansted

Sat 17/10

07:30-10:35

Nonstop2h 05m

Klagenfurt

Mon 19/10

10:30-11:35

Nonstop2h 05m

£47

LondonKlagenfurt

STN London Stansted - KLU Klagenfurt

STNKLU

London Stansted

Mon 14/9

06:45-09:50

Nonstop2h 05m

Klagenfurt

Sat 19/9

11:55-13:00

Nonstop2h 05m

£61

LondonKlagenfurt

STN London Stansted - KLU Klagenfurt

STNKLU

London Stansted

Mon 14/9

06:45-09:50

Nonstop2h 05m

Klagenfurt

Tue 15/9

15:15-23:35

1 stop9h 20m

£84

LondonKlagenfurt

STN London Stansted - KLU Klagenfurt

STNKLU

London Stansted

Sat 19/9

08:10-11:15

Nonstop2h 05m

Klagenfurt

Mon 21/9

10:30-11:35

Nonstop2h 05m

£89

LondonKlagenfurt

STN London Stansted - KLU Klagenfurt

STNKLU

London Stansted

Mon 14/9

06:45-09:50

Nonstop2h 05m

Klagenfurt

Fri 18/9

22:10-07:35

1 stop10h 25m

£95

LondonKlagenfurt

STN London Stansted - KLU Klagenfurt

STNKLU

London Stansted

Sat 3/10

07:30-10:35

Nonstop2h 05m

Klagenfurt

Mon 5/10

15:45-07:30

2 stops16h 45m

£101

LondonKlagenfurt

LTN London Luton - KLU Klagenfurt

LTNKLU

London Luton

Tue 29/9

06:00-14:40

1 stop7h 40m

Klagenfurt

Tue 6/10

15:15-00:30

1 stop10h 15m

£129

Flights are sorted by cheapest return flights first.

Deals found on 1/9

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

LTN-KLU

LGW-KLU

LHR-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

LTN-KLU

LGW-KLU

LHR-KLU

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

Currently, October is the cheapest month in which you can book a flight from London to Klagenfurt (average of £33). Flying from London to Klagenfurt in April is currently the most expensive (average of £666). 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.

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

949 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

949 reviews

Austrian Airlines

7.6

Good

949 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edward,Jul 2026

YUL - VIE

Ryanair

6.9

Okay

5,489 reviews

Austrian Airlines

7.6

Good

949 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 Ryanair fly from London to Klagenfurt in about 2h 05m. The time it takes to get you to your destination is usually consistent. There are 729 mi between London and Klagenfurt. Most flights are nonstop.
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 £41. Another option worth looking into is Austrian Airlines, starting at £165 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 Stansted - Klagenfurt or London Gatwick - 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, October is the cheapest month in which you can book a flight from London to Klagenfurt (average of £33). Flying from London to Klagenfurt in April is currently the most expensive (average of £666). 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.

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Top 2 airlines flying from London to Klagenfurt

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£41	Average£115	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Austrian Airlines	Cheapest£165	Average£288	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.

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Cheap flights from London to Klagenfurt from £21

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. 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 2 September 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 2 September 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 2 September 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 2 September 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 2 September 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 2 September 2026.

Last-minute flights from London to KlagenfurtDiscover last-minute flight deals from London to Klagenfurt. Data last updated 2 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Klagenfurt. Data last updated 2 September 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 2 September 2026.

Search for one-way flight options from London to Klagenfurt. Find affordable one-way fares based on user searches. Data last updated 2 September 2026.

Find flight deals from London to Klagenfurt

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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 2 September 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.

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

Find flights from London to Klagenfurt, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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 2 September 2026.

London and Klagenfurt flights

Browse other London and Klagenfurt flight options. Last updated on 2 September 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 2 September 2026.

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Top 2 airlines flying from London to Klagenfurt

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Can Cheapflights find flights from London to Klagenfurt with no change fees?

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 2 September 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 2 September 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 2 September 2026.

Last-minute flights from London to Klagenfurt
Discover last-minute flight deals from London to Klagenfurt. Data last updated 2 September 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 2 September 2026.