Cheapest one-way flights from Klagenfurt to London in September from $29

AirHint found the following cheapest one-way flights from Klagenfurt (KLU) to London (STN) in September 2025 (see full year).

One-Way flights

11 Sep Ryanair direct
04 Sep Ryanair direct
25 Sep Ryanair direct
18 Sep Ryanair direct
07 Sep Ryanair direct
14 Sep Ryanair direct
21 Sep Ryanair direct
30 Sep Ryanair
03 Sep Ryanair
08 Sep Eurowings

Also check the deals for return flights from Klagenfurt to London in September.

Skyscanner

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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