Find cheap flights from Klagenfurt to London Heathrow Airport from £178

In the last 3 days, the lowest price for a flight from Klagenfurt to London Heathrow Airport was £323 for a one-way ticket and £224 for a return.

We unfortunately don’t have that data for this specific route.

Star Alliance is the only airline alliance operating flights between Klagenfurt and London Heathrow Airport.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Klagenfurt to London Heathrow Airport.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Klagenfurt is likely to change within 7 days, so travellers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London Heathrow Airport with an airline and back to Klagenfurt with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Klagenfurt up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.