AirHint found the following cheapest one-way flights from London (LON) to Klagenfurt (KLU) in April 2026 (see full year).
One-Way flights
| 29 Apr | Ryanair | direct | |
| 18 Apr | Ryanair | direct | |
| 11 Apr | Ryanair | direct | |
| 08 Apr | Ryanair | direct | |
| 25 Apr | Ryanair | direct | |
| 13 Apr | Ryanair | ||
| 12 Apr | Ryanair | ||
| 09 Apr | easyJet | ||
| 01 Apr | Ryanair | ||
| 06 Apr | Ryanair |
Also check the deals for return flights from London to Klagenfurt in April.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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