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

According to our current data, Ryanair (£49), Austrian Airlines (£173), and Lufthansa (£214) offers the cheapest pricing from Klagenfurt to London. Ryanair is currently priced 57% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Klagenfurt to London one-way?

The cheapest airline one-way is Ryanair, with whom users have recently found tickets for as low as £58. However, be on the lookout for offers from Austrian Airlines and Lufthansa, as they are both options that can get you from Klagenfurt to London for a low price.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, 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 17.0 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 Klagenfurt to London?

When deciding which route to take from Klagenfurt to London consider Klagenfurt - London Heathrow, Klagenfurt - London Gatwick or Klagenfurt - London Luton as they are the most popular.

How far in advance should I book a flight from Klagenfurt to London?

Travelers have found it’s best to book a flight 14 days in advance to save up to 72% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 14 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Klagenfurt to London 1-2 weeks in advance for as low as £47, or £82 for flights within the next 24 hours.

What is the cheapest month to fly from Klagenfurt to London?

The best pricing can be found in the month of January. Prices to London from Klagenfurt average £116. You can even find prices in January for less than £116, as users have found deals to London from as low as £30. The month of August appears to be one of the more expensive times to travel to London from Klagenfurt. Flying in the targeted month can save you up to 35%.

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

If you book a flight to London from Klagenfurt, you will be flying from Klagenfurt, which is the city’s only airport. Klagenfurt (KLU) is located 2.0 mi from the center of Klagenfurt. There are 0 flights from Klagenfurt to London per day from 0 different airlines.

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

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

How can I find direct flights from Klagenfurt to London?

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

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

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

£49+ Flights from Klagenfurt to London

Cheap flight deals from Klagenfurt to London

Round-trip from	£49
Popular in	August
Cheapest in	January
Average price	£131
Good one-way deal	£23 or less

Ryanair
10/7-13/7
Nonstop
4h 10m total
Klagenfurt to London

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£9 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Price to beat on a one-way flight from Klagenfurt to London (LON).

Search Deals

Find flight deals from Klagenfurt to London

Cheapest flights from Klagenfurt to London
Explore the most affordable flight options available from Klagenfurt to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Thu 16/1022:25KLU - STN

Nonstop2h 05mRyanair

Sun 19/1016:50STN - KLU

Nonstop2h 05mRyanair

Deal found 29/6£59

Wed 24/916:55KLU - STN

2 stops19h 55mMultiple Airlines

Thu 25/918:55STN - KLU

Nonstop2h 05mMultiple Airlines

Deal found 30/6£102

Wed 24/916:55KLU - LGW

1 stop16h 40mMultiple Airlines

Sat 27/920:00LGW - KLU

2 stops21h 40mMultiple Airlines

Deal found 30/6£147

Wed 24/916:55KLU - LTN

1 stop8h 55mMultiple Airlines

Sat 27/921:25LTN - KLU

2 stops20h 15mMultiple Airlines

Deal found 30/6£153

Sat 20/915:00KLU - LHR

1 stop7h 40mAustrian Airlines

Tue 30/906:00LHR - KLU

1 stop16h 25mAustrian Airlines

Deal found 29/6£173

Sat 26/705:45KLU - LHR

1 stop4h 15mMultiple Airlines

Thu 14/806:55LHR - KLU

2 stops6h 05mMultiple Airlines

Deal found 29/6£196

Wed 27/816:55KLU - LGW

2 stops18h 45mRyanair

Fri 29/812:20LGW - KLU

1 stop8h 50mRyanair

Deal found 29/6£201

Tue 22/708:45KLU - LTN

2 stops15h 35mRyanair

Tue 29/718:10LTN - KLU

2 stops21h 10mRyanair

Deal found 30/6£213

Thu 14/815:00KLU - LHR

2 stops17h 40mLufthansa

Thu 21/807:25LHR - KLU

2 stops5h 35mLufthansa

Deal found 30/6£214

Sun 14/921:10KLU - SEN

1 stop16h 00mMultiple Airlines

Thu 18/920:35SEN - KLU

2 stops24h 35mMultiple Airlines

Deal found 30/6£243

Mon 28/705:45KLU - LCY

2 stops11h 40mLufthansa

Mon 4/808:45LCY - KLU

2 stops13h 40mLufthansa

Deal found 30/6£279

Thu 7/805:45KLU - LCY

2 stops11h 40mMultiple Airlines

Thu 28/808:45LCY - KLU

2 stops13h 40mMultiple Airlines

Deal found 30/6£297

Best flights from Klagenfurt to London
Discover carefully curated flight deals from Klagenfurt to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 July 2025.

Thu 10/722:25KLU - STN

Nonstop2h 05mRyanair

Sun 13/716:50STN - KLU

Nonstop2h 05mRyanair

Deal found 29/6£49

Wed 24/916:55KLU - STN

2 stops19h 55mMultiple Airlines

Thu 25/918:55STN - KLU

Nonstop2h 05mMultiple Airlines

Deal found 30/6£102

Sat 20/915:00KLU - LHR

1 stop7h 40mAustrian Airlines

Tue 30/906:00LHR - KLU

1 stop16h 25mAustrian Airlines

Deal found 29/6£173

Thu 14/815:00KLU - LHR

2 stops17h 40mLufthansa

Thu 21/807:25LHR - KLU

2 stops5h 35mLufthansa

Deal found 30/6£214

Wed 24/916:55KLU - LGW

1 stop16h 40mMultiple Airlines

Sat 27/920:00LGW - KLU

2 stops21h 40mMultiple Airlines

Deal found 30/6£147

Wed 24/916:55KLU - LTN

1 stop8h 55mMultiple Airlines

Sat 27/921:25LTN - KLU

2 stops20h 15mMultiple Airlines

Deal found 30/6£153

Wed 27/816:55KLU - LGW

2 stops18h 45mRyanair

Fri 29/812:20LGW - KLU

1 stop8h 50mRyanair

Deal found 29/6£201

Tue 22/708:45KLU - LTN

2 stops15h 35mRyanair

Tue 29/718:10LTN - KLU

2 stops21h 10mRyanair

Deal found 30/6£213

Sat 26/705:45KLU - LHR

1 stop4h 15mMultiple Airlines

Thu 14/806:55LHR - KLU

2 stops6h 05mMultiple Airlines

Deal found 29/6£196

Mon 28/705:45KLU - LCY

2 stops11h 40mLufthansa

Mon 4/808:45LCY - KLU

2 stops13h 40mLufthansa

Deal found 30/6£279

Sun 14/921:10KLU - SEN

1 stop16h 00mMultiple Airlines

Thu 18/920:35SEN - KLU

2 stops24h 35mMultiple Airlines

Deal found 30/6£243

Thu 7/805:45KLU - LCY

2 stops11h 40mMultiple Airlines

Thu 28/808:45LCY - KLU

2 stops13h 40mMultiple Airlines

Deal found 30/6£297

Last-minute flights from Klagenfurt to London
Discover last-minute flight deals from Klagenfurt to London. Data last updated 1 July 2025 and is based on user searches.

Thu 3/714:55KLU - STN

1 stop11h 35mMultiple Airlines

Sun 6/716:50STN - KLU

Nonstop2h 05mMultiple Airlines

Deal found 29/6£106

Thu 3/714:55KLU - LGW

1 stop9h 30mMultiple Airlines

Tue 8/722:00LGW - KLU

1 stop17h 20mMultiple Airlines

Deal found 30/6£165

Sun 6/720:30KLU - STN

Nonstop2h 05mRyanair

Thu 10/718:55STN - KLU

Nonstop2h 05mRyanair

Deal found 29/6£91

Sun 6/721:10KLU - LTN

1 stop12h 20mMultiple Airlines

Tue 29/718:10LTN - KLU

2 stops21h 10mMultiple Airlines

Deal found 29/6£183

Sun 6/721:10KLU - LGW

1 stop12h 25mMultiple Airlines

Tue 8/721:45LGW - KLU

2 stops17h 35mMultiple Airlines

Deal found 30/6£211

Sun 6/721:10KLU - LHR

2 stops21h 30mMultiple Airlines

Tue 8/720:50LHR - KLU

2 stops18h 30mMultiple Airlines

Deal found 30/6£255

Mon 7/705:45KLU - LCY

2 stops10h 10mMultiple Airlines

Wed 30/712:00LCY - KLU

2 stops10h 25mMultiple Airlines

Deal found 30/6£2,566

Wed 9/715:00KLU - LHR

2 stops8h 40mLufthansa

Wed 16/706:55LHR - KLU

2 stops6h 05mLufthansa

Deal found 30/6£279

Thu 10/714:55KLU - STN

1 stop11h 35mMultiple Airlines

Sun 13/716:50STN - KLU

Nonstop2h 05mMultiple Airlines

Deal found 30/6£112

Thu 10/705:45KLU - LHR

1 stop4h 00mAustrian Airlines

Sun 13/706:00LHR - KLU

1 stop16h 25mAustrian Airlines

Deal found 29/6£246

Thu 17/714:55KLU - LTN

1 stop11h 15mMultiple Airlines

Mon 21/715:30LTN - KLU

1 stop15h 45mMultiple Airlines

Deal found 30/6£166

Tue 22/708:45KLU - LTN

2 stops15h 35mRyanair

Tue 29/718:10LTN - KLU

2 stops21h 10mRyanair

Deal found 30/6£213

One-way flights from Klagenfurt to London
Search for one-way flight options from Klagenfurt to London. Find affordable one-way fares based on user searches. Data last updated 1 July 2025.

Sun 6/720:30KLU - STN

Nonstop2h 05mRyanair

Deal found 28/6£58

Fri 3/1022:35KLU - LGW

1 stop12h 40mMultiple Airlines

Deal found 30/6£64

Thu 17/714:55KLU - LTN

1 stop18h 50mMultiple Airlines

Deal found 30/6£66

Thu 17/714:55KLU - LHR

1 stop8h 00mMultiple Airlines

Deal found 30/6£93

Fri 3/1022:35KLU - LTN

2 stops21h 30mRyanair

Deal found 30/6£101

Thu 17/714:55KLU - SEN

1 stop23h 10mMultiple Airlines

Deal found 30/6£101

Thu 25/905:45KLU - LHR

1 stop4h 00mAustrian Airlines

Deal found 30/6£139

Thu 17/714:55KLU - LCY

1 stop6h 45mMultiple Airlines

Deal found 30/6£143

Thu 31/705:45KLU - STN

1 stop4h 35mMultiple Airlines

Deal found 29/6£146

Thu 25/905:45KLU - LHR

2 stops11h 55mLufthansa

Deal found 29/6£166

Sat 26/705:45KLU - LCY

2 stops36h 30mLufthansa

Deal found 29/6£192

Thu 25/905:45KLU - STN

2 stops14h 15mLufthansa

Deal found 30/6£223

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Thu 7/8

22:25-23:30

Nonstop2h 05m

London Stansted

Thu 28/8

18:55-22:00

Nonstop2h 05m

£55

KlagenfurtLondon

KLU - STN

KLUSTN

Klagenfurt

Wed 24/9

16:55-11:50

2 stops19h 55m

London Stansted

Thu 25/9

18:55-22:00

Nonstop2h 05m

£102

KlagenfurtLondon

KLU - LGW

KLULGW

Klagenfurt

Wed 24/9

16:55-08:35

1 stop16h 40m

London Gatwick

Sat 27/9

20:00-18:40

2 stops21h 40m

£147

KlagenfurtLondon

KLU - LTN

KLULTN

Klagenfurt

Wed 24/9

16:55-00:50

1 stop8h 55m

London Luton

Sat 27/9

21:25-18:40

2 stops20h 15m

£153

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Sat 20/9

15:00-21:40

1 stop7h 40m

London Heathrow

Tue 30/9

06:00-23:25

1 stop16h 25m

£173

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Sat 26/7

05:45-09:00

1 stop4h 15m

London Heathrow

Thu 14/8

06:55-14:00

2 stops6h 05m

£196

KlagenfurtLondon

KLU - LGW

KLULGW

Klagenfurt

Wed 27/8

16:55-10:40

2 stops18h 45m

London Gatwick

Fri 29/8

12:20-22:10

1 stop8h 50m

£201

KlagenfurtLondon

KLU - LTN

KLULTN

Klagenfurt

Tue 22/7

08:45-23:20

2 stops15h 35m

London Luton

Tue 29/7

18:10-16:20

2 stops21h 10m

£213

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Thu 14/8

15:00-07:40

2 stops17h 40m

London Heathrow

Thu 21/8

07:25-14:00

2 stops5h 35m

£214

KlagenfurtLondon

KLU - SEN

KLUSEN

Klagenfurt

Sun 14/9

21:10-12:10

1 stop16h 00m

London Southend

Thu 18/9

20:35-22:10

2 stops24h 35m

£243

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 24 results

Best time to book a flight from Klagenfurt to London

Have a flexible travel schedule? Discover the best time to fly to London from 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 from Klagenfurt to London

How far ahead should I book a flight from Klagenfurt to London?

The best time to book flights from Klagenfurt to London is 13 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Klagenfurt to London (average of £112). Flying from Klagenfurt to London in August is currently the most expensive (average of £164). 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 KLU to LON?

When flying from Klagenfurt to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing London

See what other customers who have flown with Austrian Airlines, Ryanair, andLufthansa from Klagenfurt to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Austrian Airlines

7.6

Good

807 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Austrian Airlines

7.6

Good

807 reviews

Austrian Airlines

7.6

Good

807 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Ryanair

6.8

Okay

5,152 reviews

Austrian Airlines

7.6

Good

807 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Lufthansa

6.8

Okay

7,201 reviews

Austrian Airlines

7.6

Good

807 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Related info for your journey

What airport do you fly from for flights from Klagenfurt to London?
If you book a flight to London from Klagenfurt, you will be flying from Klagenfurt, which is the city’s only airport. Klagenfurt (KLU) is located 2.0 mi from the center of Klagenfurt. There are 0 flights from Klagenfurt to London per day from 0 different airlines.
What are the cheapest airlines flying from Klagenfurt to London round-trip?
According to our current data, Ryanair (£49), Austrian Airlines (£173), and Lufthansa (£214) offers the cheapest pricing from Klagenfurt to London. Ryanair is currently priced 57% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Klagenfurt to London one-way?
The cheapest airline one-way is Ryanair, with whom users have recently found tickets for as low as £58. However, be on the lookout for offers from Austrian Airlines and Lufthansa, as they are both options that can get you from Klagenfurt to London for a low price.
What are the most popular routes from Klagenfurt to London?
When deciding which route to take from Klagenfurt to London consider Klagenfurt - London Heathrow, Klagenfurt - London Gatwick or Klagenfurt - London Luton as they are the most popular.
Can I find deals for flights from Klagenfurt to London that include hotel bookings?
Yes. In addition to deals on Klagenfurt to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Klagenfurt to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Klagenfurt to London.
Can I find deals for business class flights from Klagenfurt to London?
Yes. Cheapflights offers flight deals from Klagenfurt to London 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 Klagenfurt to London?
Currently, January is the cheapest month in which you can book a flight from Klagenfurt to London (average of £112). Flying from Klagenfurt to London in August is currently the most expensive (average of £164). 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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Gatwick

Luton

Slough

Wembley

Crawley

Eastbourne

Ilford

Hayes

Folkestone

Southend-on-Sea

Watford

Ipswich

Winchester

Maidstone

Guildford

Chichester

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

Deals for Klagenfurt to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Klagenfurt to London?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Klagenfurt to London.

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

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

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Cheap flights from Klagenfurt to London from £49

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Klagenfurt to London

Round-trip from

Popular in

Cheapest in

Average price

Good one-way deal

Find flight deals from Klagenfurt to London

Cheapest flights from Klagenfurt to LondonExplore the most affordable flight options available from Klagenfurt to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Explore the most affordable flight options available from Klagenfurt to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Klagenfurt to London

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

Cheapflights Insights

Everything you need to know about your flight from Klagenfurt to London

How far ahead should I book a flight from Klagenfurt to London?

Use this chart to determine the optimal time to book a return flight from Klagenfurt to London. Price data was last updated on 27 June 2025.

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

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

Find hourly flight availability from Klagenfurt to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 July 2025.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 1 July 2025.

See what other customers who have flown with Austrian Airlines, Ryanair, andLufthansa from Klagenfurt to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Klagenfurt to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

What are the cheapest airlines to fly from Klagenfurt to London one-way?

What are the most popular routes from Klagenfurt to London?

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

How can I find direct flights from Klagenfurt to London?

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

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

Travelling to a place near Klagenfurt?

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Alternative routes for Klagenfurt to London

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

Fly with Cheapflights

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

Why should you use Cheapflights to find cheap flight tickets from Klagenfurt to London?

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

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

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Cheapest flights from Klagenfurt to London
Explore the most affordable flight options available from Klagenfurt to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.