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

Prices for flights from Klagenfurt Airport to London Heathrow Airport were last updated today.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Klagenfurt Airport to London Heathrow Airport.

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

The necessary travel and health documents for your London Heathrow Airport 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.

£116 Cheap Flights from Klagenfurt to London Heathrow Airport in 2026

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Find the cheapest flights from Klagenfurt to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

05:50 - 21:40

KLU

LHR

16h 50m

1 stop

06:00 - 23:20

LHR

KLU

16h 20m

1 stop

£212Austrian Airlines

Fri, 12 Jun - Sun, 14 Jun

15:00 - 21:40

KLU

LHR

7h 40m

1 stop

06:00 - 14:00

LHR

KLU

7h 00m

1 stop

£216Austrian Airlines

Sat, 13 Jun - Sat, 20 Jun

15:00 - 18:40

KLU

LHR

4h 40m

1 stop

09:05 - 14:00

LHR

KLU

3h 55m

1 stop

£217Austrian Airlines

Sat, 13 Jun - Wed, 17 Jun

15:00 - 18:40

KLU

LHR

4h 40m

1 stop

09:05 - 14:00

LHR

KLU

3h 55m

1 stop

£218Austrian Airlines

Sat, 13 Jun - Wed, 17 Jun

15:00 - 21:40

KLU

LHR

7h 40m

1 stop

06:00 - 23:20

LHR

KLU

16h 20m

1 stop

£218Austrian Airlines

Sat, 6 Jun - Thu, 11 Jun

15:00 - 21:40

KLU

LHR

7h 40m

1 stop

06:00 - 14:00

LHR

KLU

7h 00m

1 stop

£219Austrian Airlines

Fri, 12 Jun - Sat, 20 Jun

05:50 - 21:40

KLU

LHR

16h 50m

1 stop

07:25 - 23:20

LHR

KLU

14h 55m

2 stops

£230Multiple Airlines

Fri, 12 Jun - Sun, 14 Jun

15:00 - 11:25

KLU

LHR

21h 25m

1 stop

06:55 - 18:00

LHR

KLU

10h 05m

2 stops

£231Multiple Airlines

Wed, 10 Jun - Mon, 29 Jun

15:00 - 21:40

KLU

LHR

7h 40m

1 stop

06:00 - 14:00

LHR

KLU

7h 00m

1 stop

£233Austrian Airlines

Fri, 12 Jun - Sun, 14 Jun

15:00 - 08:20

KLU

LHR

18h 20m

1 stop

19:30 - 14:00

LHR

KLU

17h 30m

1 stop

£233Austrian Airlines

Wed, 10 Jun - Mon, 29 Jun

Austrian Airlines flights from Klagenfurt to London Heathrow Airport

Our best Austrian Airlines deals on Klagenfurt to London Heathrow Airport flight tickets

Austrian Airlines

12 Jun

KLU05:50Klagenfurt

16h 50m

1 stop

LHR21:40London Heathrow

14 Jun

LHR06:00London Heathrow

16h 20m

1 stop

KLU23:20Klagenfurt

£212

Austrian Airlines

13 Jun

KLU15:00Klagenfurt

7h 40m

1 stop

LHR21:40London Heathrow

20 Jun

LHR06:00London Heathrow

7h 00m

1 stop

KLU14:00Klagenfurt

£216

Austrian Airlines

13 Jun

KLU15:00Klagenfurt

4h 40m

1 stop

LHR18:40London Heathrow

17 Jun

LHR09:05London Heathrow

3h 55m

1 stop

KLU14:00Klagenfurt

£217

Lufthansa flights from Klagenfurt to London Heathrow Airport

Our best Lufthansa deals on Klagenfurt to London Heathrow Airport flight tickets

Lufthansa

10 Jun

KLU15:00Klagenfurt

19h 55m

2 stops

LHR09:55London Heathrow

29 Jun

LHR06:55London Heathrow

10h 05m

2 stops

KLU18:00Klagenfurt

£250

Lufthansa

12 Jun

KLU15:00Klagenfurt

6h 45m

2 stops

LHR20:45London Heathrow

14 Jun

LHR07:25London Heathrow

14h 55m

2 stops

KLU23:20Klagenfurt

£251

Lufthansa

12 Jun

KLU15:00Klagenfurt

6h 45m

2 stops

LHR20:45London Heathrow

14 Jun

LHR07:25London Heathrow

5h 35m

2 stops

KLU14:00Klagenfurt

£256

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Fri 12/6

05:50-21:40

1 stop16h 50m

London Heathrow

Sun 14/6

06:00-23:20

1 stop16h 20m

£212

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Sat 13/6

15:00-21:40

1 stop7h 40m

London Heathrow

Sat 20/6

06:00-14:00

1 stop7h 00m

£216

Fastest return journey

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Sat 13/6

15:00-18:40

1 stop4h 40m

London Heathrow

Wed 17/6

09:05-14:00

1 stop3h 55m

£217

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Sat 13/6

15:00-18:40

1 stop4h 40m

London Heathrow

Wed 17/6

09:05-14:00

1 stop3h 55m

£218

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Sat 6/6

15:00-21:40

1 stop7h 40m

London Heathrow

Thu 11/6

06:00-23:20

1 stop16h 20m

£218

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Fri 12/6

15:00-21:40

1 stop7h 40m

London Heathrow

Sat 20/6

06:00-14:00

1 stop7h 00m

£219

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Fri 12/6

05:50-21:40

1 stop16h 50m

London Heathrow

Sun 14/6

07:25-23:20

2 stops14h 55m

£230

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Wed 10/6

15:00-11:25

1 stop21h 25m

London Heathrow

Mon 29/6

06:55-18:00

2 stops10h 05m

£231

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Fri 12/6

15:00-21:40

1 stop7h 40m

London Heathrow

Sun 14/6

06:00-14:00

1 stop7h 00m

£233

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Wed 10/6

15:00-08:20

1 stop18h 20m

London Heathrow

Mon 29/6

19:30-14:00

1 stop17h 30m

£233

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 Heathrow Airport

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

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

Austrian Airlines is the most popular carrier operating from Klagenfurt to London Heathrow

When to book flights from Klagenfurt to London Heathrow Airport

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

Estimated return price

Cheap Klagenfurt to London Heathrow Airport (KLU to LHR) flight deals and tips

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

Fastest flight time	4h 40m
Direct flights	None

The fastest flight from Klagenfurt to London Heathrow Airport takes 4h 40m

There are no direct flights from Klagenfurt to London Heathrow Airport. There are no popular flight routes from Klagenfurt to London Heathrow Airport.

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Frequently asked questions about flying from Klagenfurt to London Heathrow Airport

How far is Klagenfurt to London Heathrow by plane?
The distance between Klagenfurt and London Heathrow is about 745.3 mi. Typically, this will take 4h 40m by plane in normal conditions.
When did momondo last update prices for flights from Klagenfurt Airport to London Heathrow Airport?
Prices for flights from Klagenfurt Airport to London Heathrow Airport were last updated today.
How old do you have to be to fly from Klagenfurt Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Klagenfurt Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow Airport 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.

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Wembley

Stratford-upon-Avon

Slough

Maidstone

Northampton

Swindon

Ipswich

Southend-on-Sea

Canterbury

Ilford

Hayes

Guildford

Poole

Folkestone

Chelmsford

Dover

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Klagenfurt.

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

Flights from Klagenfurt to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Klagenfurt to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Klagenfurt to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.