What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

How many flights depart from Klagenfurt to London on average per week?

As of August 2026, 1 flights take off from Klagenfurt and land in London each week. The most common flight departure day for this route is Sat, with 100% of weekly flights taking off on this day.

How often are flights from Klagenfurt to London delayed?

Historically, on average around 26% of flights between Klagenfurt and London have experienced a delay on any given week. The average delay length over the past 12 months has been 114 minutes.

What is the cheapest airline that flies from Klagenfurt to London?

Ryanair and Austrian Airlines are the most popular carriers operating from Klagenfurt to London

Which airline has the best punctuality record on Klagenfurt to London flights?

According to our data, Ryanair have had the fewest delays on this route over the last 12 months, with about 26% of their flights experiencing any sort of delay.

What is the most punctual flight time for Klagenfurt to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

When did momondo last update prices for flights from Klagenfurt Airport to London?

Prices for flights from Klagenfurt Airport to London are updated daily.

How old do you have to be to fly from Klagenfurt Airport to London?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Klagenfurt Airport to London.

What documentation or ID do you need to fly to London?

The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£13 Cheap Flights from Klagenfurt to London in 2026

Find the cheapest flights from Klagenfurt to London

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

10:30 - 11:35KLU Klagenfurt-STN London Stansted

2h 05mdirect

06:45 - 09:50STN London Stansted-KLU Klagenfurt

2h 05mdirect

£61Ryanair

Mon, 21 Sep - Mon, 28 Sep

10:30 - 11:35KLU Klagenfurt-STN London Stansted

2h 05mdirect

08:10 - 11:15STN London Stansted-KLU Klagenfurt

2h 05mdirect

£62Ryanair

Mon, 14 Sep - Sat, 19 Sep

11:55 - 13:00KLU Klagenfurt-STN London Stansted

2h 05mdirect

12:25 - 15:30STN London Stansted-KLU Klagenfurt

2h 05mdirect

£62Ryanair

Sat, 26 Sep - Wed, 30 Sep

16:05 - 17:10KLU Klagenfurt-STN London Stansted

2h 05mdirect

12:25 - 15:30STN London Stansted-KLU Klagenfurt

2h 05mdirect

£64Ryanair

Wed, 23 Sep - Wed, 30 Sep

10:30 - 11:35KLU Klagenfurt-STN London Stansted

2h 05mdirect

08:10 - 11:15STN London Stansted-KLU Klagenfurt

2h 05mdirect

£66Ryanair

Mon, 14 Sep - Sat, 19 Sep

16:05 - 17:10KLU Klagenfurt-STN London Stansted

2h 05mdirect

12:25 - 15:30STN London Stansted-KLU Klagenfurt

2h 05mdirect

£67Ryanair

Wed, 23 Sep - Wed, 30 Sep

16:05 - 17:10KLU Klagenfurt-STN London Stansted

2h 05mdirect

12:25 - 15:30STN London Stansted-KLU Klagenfurt

2h 05mdirect

£67Ryanair

Wed, 23 Sep - Wed, 30 Sep

10:30 - 11:35KLU Klagenfurt-STN London Stansted

2h 05mdirect

06:45 - 09:50STN London Stansted-KLU Klagenfurt

2h 05mdirect

£70Ryanair

Mon, 7 Sep - Mon, 14 Sep

17:55 - 07:20KLU Klagenfurt-STN London Stansted

14h 25m1 stop Palma de Mallorca Son Sant Joan

06:45 - 09:50STN London Stansted-KLU Klagenfurt

2h 05mdirect

£71Ryanair

Wed, 16 Sep - Mon, 28 Sep

11:55 - 13:00KLU Klagenfurt-STN London Stansted

2h 05mdirect

08:10 - 11:15STN London Stansted-KLU Klagenfurt

2h 05mdirect

£73Ryanair

Sat, 19 Sep - Sat, 26 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

17:55 - 23:59KLU Klagenfurt-STN London Stansted

7h 04m1 stop Palma de Mallorca Son Sant Joan

06:45 - 09:50STN London Stansted-KLU Klagenfurt

2h 05mdirect

£92Ryanair

Wed, 12 Aug - Mon, 17 Aug

17:55 - 23:59KLU Klagenfurt-STN London Stansted

7h 04m1 stop Palma de Mallorca Son Sant Joan

06:45 - 09:50STN London Stansted-KLU Klagenfurt

2h 05mdirect

£119Ryanair

Wed, 12 Aug - Mon, 17 Aug

22:10 - 07:35KLU Klagenfurt-STN London Stansted

10h 25m1 stop Palma de Mallorca Son Sant Joan

06:45 - 09:50STN London Stansted-KLU Klagenfurt

2h 05mdirect

£120Ryanair

Fri, 14 Aug - Mon, 17 Aug

17:55 - 23:59KLU Klagenfurt-STN London Stansted

7h 04m1 stop Palma de Mallorca Son Sant Joan

08:10 - 11:15STN London Stansted-KLU Klagenfurt

2h 05mdirect

£122Ryanair

Wed, 12 Aug - Sat, 22 Aug

17:55 - 23:59KLU Klagenfurt-STN London Stansted

7h 04m1 stop Palma de Mallorca Son Sant Joan

12:25 - 15:30STN London Stansted-KLU Klagenfurt

2h 05mdirect

£124Ryanair

Wed, 12 Aug - Wed, 19 Aug

22:10 - 07:35KLU Klagenfurt-STN London Stansted

10h 25m1 stop Palma de Mallorca Son Sant Joan

06:45 - 09:50STN London Stansted-KLU Klagenfurt

2h 05mdirect

£126Ryanair

Fri, 14 Aug - Mon, 17 Aug

17:55 - 22:50KLU Klagenfurt-STN London Stansted

5h 55m1 stop Palma de Mallorca Son Sant Joan

06:45 - 09:50STN London Stansted-KLU Klagenfurt

2h 05mdirect

£141Multiple Airlines

Wed, 12 Aug - Mon, 17 Aug

15:15 - 07:35KLU Klagenfurt-STN London Stansted

17h 20m1 stop Palma de Mallorca Son Sant Joan

06:45 - 09:50STN London Stansted-KLU Klagenfurt

2h 05mdirect

£142Ryanair

Tue, 11 Aug - Mon, 17 Aug

17:55 - 00:40KLU Klagenfurt-LGW London Gatwick

7h 45m1 stop Palma de Mallorca Son Sant Joan

21:35 - 14:40LGW London Gatwick-KLU Klagenfurt

16h 05m1 stop Palma de Mallorca Son Sant Joan

£148Multiple Airlines

Wed, 12 Aug - Mon, 17 Aug

17:55 - 23:59KLU Klagenfurt-STN London Stansted

7h 04m1 stop Palma de Mallorca Son Sant Joan

17:55 - 14:40STN London Stansted-KLU Klagenfurt

19h 45m1 stop Palma de Mallorca Son Sant Joan

£148Ryanair

Wed, 12 Aug - Mon, 17 Aug

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Austrian Airlines flights from Klagenfurt to London

Our best Austrian Airlines deals on Klagenfurt to London flight tickets

Austrian Airlines

20 Jan

KLU11:15Klagenfurt

3h 50m

1 stop

LHR14:05London Heathrow

23 Jan

LHR19:25London Heathrow

14h 05m

1 stop

KLU10:30Klagenfurt

£178

Austrian Airlines

16 Oct

KLU15:00Klagenfurt

7h 40m

1 stop

LHR21:40London Heathrow

19 Oct

LHR06:00London Heathrow

6h 55m

1 stop

KLU13:55Klagenfurt

£183

Austrian Airlines

16 Sept

KLU15:00Klagenfurt

18h 20m

1 stop

LHR08:20London Heathrow

28 Sept

LHR06:00London Heathrow

7h 00m

1 stop

KLU14:00Klagenfurt

£184

Lufthansa flights from Klagenfurt to London

Our best Lufthansa deals on Klagenfurt to London flight tickets

Lufthansa

5 Oct

KLU15:00Klagenfurt

8h 10m

2 stops

LHR22:10London Heathrow

10 Oct

LHR07:25London Heathrow

5h 35m

2 stops

KLU14:00Klagenfurt

£202

Lufthansa

26 Sept

KLU15:00Klagenfurt

8h 10m

2 stops

LHR22:10London Heathrow

28 Sept

LHR20:25London Heathrow

16h 35m

2 stops

KLU14:00Klagenfurt

£225

Lufthansa

16 Sept

KLU15:00Klagenfurt

8h 10m

2 stops

LHR22:10London Heathrow

28 Sept

LHR20:25London Heathrow

16h 35m

2 stops

KLU14:00Klagenfurt

£225

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

KlagenfurtLondon

KLU Klagenfurt - STN London Stansted

KLUSTN

Klagenfurt

Mon 21/9

10:30-11:35

Nonstop2h 05m

London Stansted

Mon 28/9

06:45-09:50

Nonstop2h 05m

£61

KlagenfurtLondon

KLU Klagenfurt - STN London Stansted

KLUSTN

Klagenfurt

Mon 14/9

10:30-11:35

Nonstop2h 05m

London Stansted

Sat 19/9

08:10-11:15

Nonstop2h 05m

£62

KlagenfurtLondon

KLU Klagenfurt - STN London Stansted

KLUSTN

Klagenfurt

Sat 26/9

11:55-13:00

Nonstop2h 05m

London Stansted

Wed 30/9

12:25-15:30

Nonstop2h 05m

£62

KlagenfurtLondon

KLU Klagenfurt - STN London Stansted

KLUSTN

Klagenfurt

Wed 23/9

16:05-17:10

Nonstop2h 05m

London Stansted

Wed 30/9

12:25-15:30

Nonstop2h 05m

£64

KlagenfurtLondon

KLU Klagenfurt - STN London Stansted

KLUSTN

Klagenfurt

Mon 14/9

10:30-11:35

Nonstop2h 05m

London Stansted

Sat 19/9

08:10-11:15

Nonstop2h 05m

£66

KlagenfurtLondon

KLU Klagenfurt - STN London Stansted

KLUSTN

Klagenfurt

Wed 23/9

16:05-17:10

Nonstop2h 05m

London Stansted

Wed 30/9

12:25-15:30

Nonstop2h 05m

£67

KlagenfurtLondon

KLU Klagenfurt - STN London Stansted

KLUSTN

Klagenfurt

Wed 23/9

16:05-17:10

Nonstop2h 05m

London Stansted

Wed 30/9

12:25-15:30

Nonstop2h 05m

£67

KlagenfurtLondon

KLU Klagenfurt - STN London Stansted

KLUSTN

Klagenfurt

Mon 7/9

10:30-11:35

Nonstop2h 05m

London Stansted

Mon 14/9

06:45-09:50

Nonstop2h 05m

£70

KlagenfurtLondon

KLU Klagenfurt - STN London Stansted

KLUSTN

Klagenfurt

Wed 16/9

17:55-07:20

1 stop14h 25m

London Stansted

Mon 28/9

06:45-09:50

Nonstop2h 05m

£71

KlagenfurtLondon

KLU Klagenfurt - STN London Stansted

KLUSTN

Klagenfurt

Sat 19/9

11:55-13:00

Nonstop2h 05m

London Stansted

Sat 26/9

08:10-11:15

Nonstop2h 05m

£73

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Klagenfurt to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the typical price of a round-trip flight between Klagenfurt and London?

Prices are currently low for flights on this route.

Typical prices usually range from £103 to £184.
The lowest price recently found on this route was £61.

What is the cheapest month to fly to London?

The cheapest month to fly to London from Klagenfurt is in January. Flight prices, which tend to average around £39, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Klagenfurt averaging around £46.

What is the cheapest Klagenfurt to London flight route?

Fly from Klagenfurt to London Stansted for the best Klagenfurt - London flight prices

What cabin class options are available on Klagenfurt to London flights?

There is only 1 cabin class available to choose from on Klagenfurt to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Klagenfurt to London flights?

No. A direct flight is the cheapest option for a flight between Klagenfurt to London.

How have Klagenfurt to London flight prices changed over time?

As of August 2026, prices for Klagenfurt to London flights are approximately 38% cheaper when compared to flights at the same time last year.

When to book flights from Klagenfurt to London

Are you open to changing your travel dates? Check out the ideal times to fly from Klagenfurt to London according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Klagenfurt to London (KLU to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Klagenfurt to London

Fastest flight time	2h 05m
Direct flights	Tue, Thu and Sun
Airports in London	6 airports

The fastest flight from Klagenfurt to London takes 2h 05m

Direct flights go from Klagenfurt to London on Tuesday, Thursday and Sunday. There are no airlines offering direct flights..

There are 6 airports in London. From Klagenfurt there are direct flights to London Stansted (STN).

Search flight deals

Frequently asked questions about flying from Klagenfurt to London

How far is Klagenfurt to London by plane?
There are 732.8 mi between Klagenfurt and London. By plane, this route typically takes 2h 05m.
When did momondo last update prices for flights from Klagenfurt Airport to London?
Prices for flights from Klagenfurt Airport to London are updated daily.
How old do you have to be to fly from Klagenfurt Airport to London?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Klagenfurt Airport to London.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Klagenfurt to London?
momondo data reveals that the most frequently booked plane model on the route from Klagenfurt to London is Boeing 737-800 Passenger/BBJ2 (winglets), representing 50.21% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 43.21%, Airbus A320-100/200 at 2.47%, and Airbus A321-100/200 at 1.23%.

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Why should I use momondo to find a flight deal from Klagenfurt to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Klagenfurt to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Klagenfurt to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Klagenfurt which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Klagenfurt to London?

momondo provides multiple filters to help you find the best flight to London from Klagenfurt. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Klagenfurt to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Klagenfurt to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Klagenfurt to London from £13

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Klagenfurt to London departing on 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Austrian Airlines flights from Klagenfurt to London

Our best Austrian Airlines deals on Klagenfurt to London flight tickets

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Our best Lufthansa deals on Klagenfurt to London flight tickets

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How to get the cheapest flight ticket from Klagenfurt to London

What is the typical price of a round-trip flight between Klagenfurt and London?

What is the cheapest month to fly to London?

What is the cheapest Klagenfurt to London flight route?

What cabin class options are available on Klagenfurt to London flights?

Can stopping save me money on Klagenfurt to London flights?

How have Klagenfurt to London flight prices changed over time?

What is the cheapest airline that flies from Klagenfurt to London?

How often are flights from Klagenfurt to London delayed?

What is the most punctual flight time for Klagenfurt to London flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Klagenfurt to London flights?

How many flights depart from Klagenfurt to London on average per week?

When to book flights from Klagenfurt to London

Cheap Klagenfurt to London (KLU to LON) flight deals and tips

Fastest flight time

Direct flights

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Frequently asked questions about flying from Klagenfurt to London

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Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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