Cheap flights from London-Heathrow to Klagenfurt
Cheap return flights from London-Heathrow to Klagenfurt
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Klagenfurt flight facts
What you need to know
What are the cheapest airlines?
- Ryanair
- easyJet
- Wizz Air
These airlines usually offer the cheapest flights from London-Heathrow to Klagenfurt.
What airlines fly indirectly?
- Lufthansa
- KLM
- Air France
These airlines fly from London-Heathrow to Klagenfurt, but you’ll have at least one layover.
How long is the flight?
2 hours 30 minutes
This is the shortest flight time from London-Heathrow to Klagenfurt.
Alternative flights from the UK to Klagenfurt
Check out prices for other routes
Alternative flights from London-Heathrow
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the London-Heathrow/Klagenfurt route. There are around 35 flights on any given week from the UK to Klagenfurt and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from London-Heathrow to Klagenfurt
Tips and advice from our flight experts
You've searched for flights from London-Heathrow to Klagenfurt. We've found 15 flights and compared them to give you the best offer. Ryanair is, on average, the cheapest for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for £30 from London-Heathrow to Klagenfurt on 07/02/2026 at 05:50.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 5 airlines that operate the 1,200 km flight from London-Heathrow to Klagenfurt.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Ryanair is a popular choice for this route, and the average flight duration is about 2 hours 30 minutes. After selecting an offer, fill out your information and proceed with payment. Don't forget to check our flight + hotel service to book everything at once, saving you time and money.
Other popular destinations near Klagenfurt
Where other people are flying to
