Cheap Flights from London Heathrow to Klagenfurt

Travellers and cabin class

Compare London Heathrow to Klagenfurt flight deals

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

Book the best Klagenfurt fare with no extra fees

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.

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 May.

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.

London to Klagenfurt: Flight information

The things to know before you go.
Cheapest flight foundR 2,687
Cheapest month to flyMay

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 R 4,100. 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 R 4,100.
As of March 2025, there are no flights flying from London Heathrow to Klagenfurt.
The cheapest month to fly from London Heathrow to Klagenfurt is usually March 2025.
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 Thursday, 1 May 2025.
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.

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

  • During popular months such as July, you'll want to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead for an international flight when you travel during peak periods in general.

  • If you'd love to explore a new city during your journey, look for a flight with a stopover. To see your options for flights from London Heathrow Airport to Klagenfurt Airport, uncheck 'Direct flights only.' Vienna International Airport is a well-known stop between LHR and KLU.

  • To find out if you need a visa to enter Austria, contact your carrier and the local embassy or consulate. They'll provide you with the most up-to-date details, including any other travel documents you may need after booking your cheap ticket from LHR to 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 ticket from London Heathrow Airport to Klagenfurt Airport is R 2,687. For a return flight on this route, the best price is R 4,100. Depending on the availability and when you book, these fares may change.

  • Don't leave everything to the last moment. You're more likely to get cheap tickets from LHR to KLU if you book in advance. Airlines often have some excellent early bird deals.

  • Finding cheap tickets from London Heathrow Airport to Klagenfurt Airport is easy if you can be flexible with your trip dates. Try using the 'Whole month' function to see the lowest prices across each month and land a great deal.

  • Sign into your online account or use the app to set up a Price Alert. We'll notify you right away if there's a cheaper deal on this route. It's easy to do, and it'll save you time searching for cheap tickets from LHR to KLU every day.

  • Take advantage of filters to find the ideal journey for you. To see the 'Best,' 'Cheapest' or 'Fastest' flights from London Heathrow Airport to Klagenfurt Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and journey duration.

Handy information about London Heathrow Airport (LHR)

  • Travelling from central London to London Heathrow Airport takes around 1 hour and 1 minute by public transport. If you ride-share, drive or hail a cab, you'll cover the 31 kilometres in 57 minutes or so, depending on traffic.

  • After a handy hotel close to LHR? If you're boarding an early flight from London Heathrow Airport to Klagenfurt Airport, these accommodation options will put you moments from check-in:

Arriving at Klagenfurt Airport (KLU)

  • If you're coming in on a late flight from London Heathrow Airport to Klagenfurt Airport, nothing beats the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and snoozing soon after at one of these options near KLU:

Getting from Klagenfurt Airport (KLU) to central Klagenfurt

  • Klagenfurt Airport is approximately 5 kilometres from the centre of Klagenfurt. With a car rental or if you're catching a cab, the drive is about 11 minutes.

  • It takes around 28 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 busiest. Choose the best time to visit Klagenfurt based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Book your flight from London Heathrow Airport to Klagenfurt Airport for July if you'd like to go to Klagenfurt during its warmest month. You can expect temperatures of between 10ºC and 27ºC.

  • Look for cheap tickets from LHR to KLU in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -11ºC and 4ºC on average.

More about Klagenfurt

  • After locking in your flights from LHR to KLU, you'll need to find somewhere to stay in Klagenfurt. Make one of these options your base for exploring this exciting destination:

  • Every great holiday has to include some sightseeing. Lindwurmbrunnen, Landhaus and Worthersee Mandl are essential stops on your Klagenfurt itinerary.

Complete your Klagenfurt trip with hotels and a car rental

  • Comparing flights is not the only thing we do. Once you've booked your cheap ticket to Klagenfurt Airport, browse our great car rental offers that'll give you the flexibility and freedom to see the sights at your own pace. Then, take a look at our exclusive rates for hotels to find the perfect Klagenfurt stay.

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