Cheapest return flights from Klagenfurt to London in September from 71€

AirHint found the following cheapest return flights from Klagenfurt (KLU) to London (STN) in September 2026 (see full year).

Return flights

09 Sep - 16 Sep Ryanair direct
21 Sep - 07 Oct Ryanair direct
09 Sep - 21 Sep Ryanair direct
09 Sep - 12 Sep Ryanair direct
21 Sep - 10 Oct Ryanair direct
21 Sep - 25 Sep Ryanair
21 Sep - 21 Sep Ryanair

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

Powered by

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.