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.

£80 Cheap Flights from Klagenfurt to London Heathrow Airport in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

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.

17:55 - 14:45

KLU

LHR

21h 50m

2 stops

20:50 - 14:40

LHR

KLU

16h 50m

2 stops

£194Multiple Airlines

Wed, 10 Jun - Mon, 29 Jun

15:00 - 21:40

KLU

LHR

7h 40m

1 stop

19:30 - 14:00

LHR

KLU

17h 30m

1 stop

£216Austrian Airlines

Fri, 5 Jun - Fri, 12 Jun

15:00 - 21:40

KLU

LHR

7h 40m

1 stop

06:00 - 14:50

LHR

KLU

7h 50m

1 stop

£219Austrian Airlines

Sat, 13 Jun - Mon, 15 Jun

15:00 - 21:40

KLU

LHR

7h 40m

1 stop

06:00 - 14:50

LHR

KLU

7h 50m

1 stop

£220Austrian Airlines

Fri, 5 Jun - Mon, 8 Jun

15:30 - 08:20

KLU

LHR

17h 50m

1 stop

06:00 - 14:50

LHR

KLU

7h 50m

1 stop

£221Austrian Airlines

Mon, 1 Jun - Mon, 8 Jun

05:50 - 21:40

KLU

LHR

16h 50m

1 stop

06:00 - 14:50

LHR

KLU

7h 50m

1 stop

£222Austrian Airlines

Sat, 13 Jun - Mon, 15 Jun

05:50 - 18:40

KLU

LHR

13h 50m

1 stop

06:00 - 14:50

LHR

KLU

7h 50m

1 stop

£235Austrian Airlines

Sat, 13 Jun - Mon, 15 Jun

15:00 - 08:20

KLU

LHR

18h 20m

1 stop

07:25 - 14:00

LHR

KLU

5h 35m

2 stops

£239Multiple Airlines

Sun, 7 Jun - Sun, 14 Jun

05:50 - 21:40

KLU

LHR

16h 50m

1 stop

07:25 - 14:00

LHR

KLU

5h 35m

2 stops

£239Multiple Airlines

Sat, 20 Jun - Tue, 23 Jun

15:00 - 09:55

KLU

LHR

19h 55m

2 stops

06:00 - 14:00

LHR

KLU

7h 00m

1 stop

£240Multiple Airlines

Fri, 5 Jun - Fri, 12 Jun

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Austrian Airlines flights from Klagenfurt to London Heathrow Airport

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

Austrian Airlines

5 Jun

KLU15:00Klagenfurt

7h 40m

1 stop

LHR21:40London Heathrow

12 Jun

LHR19:30London Heathrow

17h 30m

1 stop

KLU14:00Klagenfurt

£216

Austrian Airlines

20 Jun

KLU15:00Klagenfurt

7h 40m

1 stop

LHR21:40London Heathrow

24 Jun

LHR06:00London Heathrow

16h 20m

1 stop

KLU23:20Klagenfurt

£219

Austrian Airlines

5 Jun

KLU15:00Klagenfurt

7h 40m

1 stop

LHR21:40London Heathrow

8 Jun

LHR06:00London Heathrow

7h 50m

1 stop

KLU14:50Klagenfurt

£220

Lufthansa flights from Klagenfurt to London Heathrow Airport

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

Lufthansa

20 Jun

KLU15:00Klagenfurt

6h 45m

2 stops

LHR20:45London Heathrow

24 Jun

LHR07:25London Heathrow

5h 35m

2 stops

KLU14:00Klagenfurt

£257

Lufthansa

20 Jun

KLU15:00Klagenfurt

6h 45m

2 stops

LHR20:45London Heathrow

23 Jun

LHR06:55London Heathrow

6h 05m

2 stops

KLU14:00Klagenfurt

£258

Lufthansa

10 Jun

KLU15:00Klagenfurt

6h 45m

2 stops

LHR20:45London Heathrow

29 Jun

LHR08:30London Heathrow

8h 30m

2 stops

KLU18:00Klagenfurt

£274

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

Wed 10/6

17:55-14:45

2 stops21h 50m

London Heathrow

Mon 29/6

20:50-14:40

2 stops16h 50m

£194

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Fri 5/6

15:00-21:40

1 stop7h 40m

London Heathrow

Fri 12/6

19:30-14:00

1 stop17h 30m

£216

Fastest return journey

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Sat 13/6

15:00-21:40

1 stop7h 40m

London Heathrow

Mon 15/6

06:00-14:50

1 stop7h 50m

£219

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Fri 5/6

15:00-21:40

1 stop7h 40m

London Heathrow

Mon 8/6

06:00-14:50

1 stop7h 50m

£220

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Mon 1/6

15:30-08:20

1 stop17h 50m

London Heathrow

Mon 8/6

06:00-14:50

1 stop7h 50m

£221

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Sat 13/6

05:50-21:40

1 stop16h 50m

London Heathrow

Mon 15/6

06:00-14:50

1 stop7h 50m

£222

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Sat 13/6

05:50-18:40

1 stop13h 50m

London Heathrow

Mon 15/6

06:00-14:50

1 stop7h 50m

£235

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Sun 7/6

15:00-08:20

1 stop18h 20m

London Heathrow

Sun 14/6

07:25-14:00

2 stops5h 35m

£239

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Sat 20/6

05:50-21:40

1 stop16h 50m

London Heathrow

Tue 23/6

07:25-14:00

2 stops5h 35m

£239

KlagenfurtLondon

KLU - LHR

KLULHR

Klagenfurt

Fri 5/6

15:00-09:55

2 stops19h 55m

London Heathrow

Fri 12/6

06:00-14:00

1 stop7h 00m

£240

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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Slough

Maidstone

Wembley

Northampton

Swindon

Southend-on-Sea

Ipswich

Canterbury

Ilford

Guildford

Poole

Hayes

Dover

Chelmsford

Folkestone

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.