Cheapest return flights from London to Klagenfurt in September from 47€

AirHint found the following cheapest return flights from London (LON) to Klagenfurt (KLU) in September 2025 (see full year).

Return flights

25 Sep - 12 Oct Ryanair direct
25 Sep - 02 Oct Ryanair direct
25 Sep - 28 Sep Ryanair direct
25 Sep - 09 Oct Ryanair direct
28 Sep - 16 Oct Ryanair direct
28 Sep - 12 Oct Ryanair direct
28 Sep - 02 Oct Ryanair direct
28 Sep - 09 Oct Ryanair direct
21 Sep - 25 Sep Ryanair direct
21 Sep - 02 Oct Ryanair direct
24 Sep - 28 Sep Ryanair
21 Sep - 28 Sep Ryanair direct
22 Sep - 25 Sep Ryanair
28 Sep - 05 Oct Ryanair direct
21 Sep - 09 Oct Ryanair direct
23 Sep - 25 Sep Ryanair
25 Sep - 27 Sep Ryanair
24 Sep - 26 Sep Ryanair
26 Sep - 30 Sep Ryanair
22 Sep - 29 Sep Ryanair

Also check the deals for one-way flights from London to Klagenfurt 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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