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201 € Cheap Flights from London Heathrow to Klagenfurt

Compare London Heathrow to Klagenfurt flight deals

Find the cheapest month or even day of the year to fly to Klagenfurt

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Flight deals from London Heathrow to Klagenfurt

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Klagenfurt? Find the lowest prices on one-way and return tickets right here.
Klagenfurt.201 € per passenger.Departing Mon, 2 Mar, returning Sat, 7 Mar.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from London Heathrow on Mon, 2 Mar, arriving in Klagenfurt.Inbound indirect flight with Austrian Airlines, departs from Klagenfurt on Sat, 7 Mar, arriving in London Heathrow.Price includes taxes and charges.From 201 €, select.
Klagenfurt.201 € per passenger.Departing Fri, 27 Feb, returning Mon, 2 Mar.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from London Heathrow on Fri, 27 Feb, arriving in Klagenfurt.Inbound indirect flight with Austrian Airlines, departs from Klagenfurt on Mon, 2 Mar, arriving in London Heathrow.Price includes taxes and charges.From 201 €, select.
Klagenfurt.204 € per passenger.Departing Wed, 14 Oct, returning Wed, 21 Oct.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from London Heathrow on Wed, 14 Oct, arriving in Klagenfurt.Inbound indirect flight with Austrian Airlines, departs from Klagenfurt on Wed, 21 Oct, arriving in London Heathrow.Price includes taxes and charges.From 204 €, select.
Klagenfurt.204 € per passenger.Departing Wed, 6 May, returning Sat, 9 May.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from London Heathrow on Wed, 6 May, arriving in Klagenfurt.Inbound indirect flight with Austrian Airlines, departs from Klagenfurt on Sat, 9 May, arriving in London Heathrow.Price includes taxes and charges.From 204 €, select.
Klagenfurt.204 € per passenger.Departing Fri, 25 Sep, returning Tue, 29 Sep.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from London Heathrow on Fri, 25 Sep, arriving in Klagenfurt.Inbound indirect flight with Austrian Airlines, departs from Klagenfurt on Tue, 29 Sep, arriving in London Heathrow.Price includes taxes and charges.From 204 €, select.
Klagenfurt.205 € per passenger.Departing Mon, 11 Jan, returning Mon, 18 Jan.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from London Heathrow on Mon, 11 Jan, arriving in Klagenfurt.Inbound indirect flight with Austrian Airlines, departs from Klagenfurt on Mon, 18 Jan, arriving in London Heathrow.Price includes taxes and charges.From 205 €, select.
Klagenfurt.205 € per passenger.Departing Wed, 29 Apr, returning Sat, 2 May.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from London Heathrow on Wed, 29 Apr, arriving in Klagenfurt.Inbound indirect flight with Austrian Airlines, departs from Klagenfurt on Sat, 2 May, arriving in London Heathrow.Price includes taxes and charges.From 205 €, select.
Klagenfurt.206 € per passenger.Departing Tue, 20 Oct, returning Tue, 10 Nov.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from London Heathrow on Tue, 20 Oct, arriving in Klagenfurt.Inbound indirect flight with Austrian Airlines, departs from Klagenfurt on Tue, 10 Nov, arriving in London Heathrow.Price includes taxes and charges.From 206 €, select.

Find the cheapest month to fly from London Heathrow to Klagenfurt

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Klagenfurt flights are currently cheapest in March.
Feb
from 240 €
Mar
from 201 €
Apr
from 216 €
May
from 204 €
Jun
from 223 €
Jul
from 215 €
Aug
from 266 €
Sep
from 204 €
Oct
from 204 €
Nov
Find prices
Dec
Find prices
Jan
from 205 €

London Heathrow to Klagenfurt: Alternative routes

Compare routes from London Heathrow to Klagenfurt below. You may find an airport to fly into that's cheaper, faster, or easier than Klagenfurt.

Klagenfurt

3km from central Klagenfurt
Closest
from 201 €
Search flights

Ljubljana

46km from central Klagenfurt
Cheapest
from 154 €
Search flights

London to Klagenfurt: Flight information

The things to know before you go.
Cheapest flight found201 €
Cheapest month to flyFebruary

Check out these Klagenfurt hotels

Ready to plan your stay? Other travellers rate these Klagenfurt hotels for cleanliness, service and location.
Garner Hotel Klagenfurt – Moser Verdino by IHG
3.19 km from Klagenfurt
€102
Per night
Hotel Sandwirth
3.57 km from Klagenfurt
€103
Per night
Cityhotel am Domplatz Self-CheckIn
3.45 km from Klagenfurt
€79
Per night
Garner Hotel Klagenfurt – Moser Verdino by IHG
3.19 km from Klagenfurt
€102
Per night
Hotel Sandwirth
3.57 km from Klagenfurt
€103
Per night
Cityhotel am Domplatz Self-CheckIn
3.45 km from Klagenfurt
€79
Per night
Explore top-rated hotels

Finding cheap flights from London Heathrow to Klagenfurt: Frequently asked questions

The best price we found for a return flight from London Heathrow to Klagenfurt is 201 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London Heathrow to Klagenfurt. But we found flights with one or more stops from 201 €.
As of February 2026, there are no flights flying from London Heathrow to Klagenfurt.
The cheapest month to fly from London Heathrow to Klagenfurt is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Klagenfurt Airport on Friday, 27 February 2026.
No airlines currently offer direct flights between London Heathrow Airport and Klagenfurt Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Klagenfurt but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Klagenfurt is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Austrian Airlines offers the cheapest flight tickets to Klagenfurt.

Travelling from London Heathrow Airport (LHR) to Klagenfurt Airport (KLU): what you need to know

  • Klagenfurt's timezone is UTC+1, which makes Klagenfurt one hour ahead of London.

  • To ensure you get on your LHR to KLU flight, leave enough time for things like baggage drop and finding your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • You'll likely experience longer queues in popular months like July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will give you ample time for security and boarding.

  • If you'd like to discover a different city along the way, search for a flight with a stopover. To see all your options for tickets from London Heathrow Airport to Klagenfurt Airport, deselect 'Direct flights only.' Vienna International Airport is a popular stop between LHR and KLU.

How to find the cheapest flights from London Heathrow Airport (LHR) to Klagenfurt Airport (KLU)

  • The lowest price we've found for a one-way London Heathrow Airport to Klagenfurt Airport flight is 141 €. A round-trip fare right now is 201 €. Depending on the availability and when you book, these fares could change.

  • Don't leave things to the last moment. You're more likely to get cheap tickets from LHR to KLU if you book early. Airlines often offer some fantastic early bird discounts.

  • Finding cheap flights from London Heathrow Airport to Klagenfurt Airport is easier if you're flexible with your travel dates. Use the 'Whole month' function to see the lowest fares across the month and score a great deal.

  • Finding cheap flights from LHR to KLU is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as a new deal comes up.

  • Select your ideal departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from London Heathrow Airport to Klagenfurt Airport.

Handy information about London Heathrow Airport (LHR)

  • Of the departures from London Heathrow Airport, 68.18% land on time at their destination.

  • Central London to London Heathrow Airport is around 31 kilometres. Depending on traffic, it'll take you about 55 minutes to get there if you're ride-sharing, catching a cab or driving.

  • The journey when using public transport will take about 1 hour.

  • Searching for a handy hotel near LHR? If you've booked an early flight from London Heathrow Airport to Klagenfurt Airport, these stays will have you sleeping moments from your departure gate:

Arriving at Klagenfurt Airport (KLU)

  • Reserve a hotel near KLU if you're on a late London Heathrow Airport to Klagenfurt Airport flight. Settle into one of these accommodation options and skip the long transfer:

  • Pick up a Klagenfurt Airport rental car and discover Klagenfurt and beyond with your own set of wheels. Thrifty, Budget and Sixt are leading providers to choose from here.

  • For the best deal, book your vehicle from Klagenfurt Airport around four weeks before your trip.

Getting from Klagenfurt Airport (KLU) to central Klagenfurt

  • From Klagenfurt Airport, Klagenfurt is approximately 5 kilometres away. It takes around 10 minutes to get to the centre driving.

  • It takes around 30 minutes to get there by public transport.

When to fly to Klagenfurt Airport (KLU)

  • The quietest month for a flight from London Heathrow Airport to Klagenfurt Airport is February, while July is the most popular. Pick the ideal time to go to Klagenfurt based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Book your flight from London Heathrow Airport to Klagenfurt Airport for July if you want to go to Klagenfurt during its warmest month. Expect temperatures of between 10ºC (50ºF) and 27ºC (81ºF).

  • For cooler conditions, look for a cheap ticket from LHR to KLU in January. Average temperatures are between -11ºC (12ºF) and 4ºC (39ºF) then.

Explore more of Austria

  • Vienna is just one of the many places in Austria waiting to be explored once you've seen the sights of Klagenfurt. Around 241 kilometres away to the north-east, its best attractions include Schonbrunn Palace, St. Stephen's Cathedral and Vienna State Opera.

  • Around 97 kilometres north-east of Klagenfurt, Graz is another essential stop in Austria. Experience this destination's highlights firsthand at Schlossberg, Kunsthaus Graz and Mausoleum of Emperor Ferdinand II.

Plan the rest of your trip from London to Klagenfurt

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.