Cheapest return flights from Klagenfurt to London in April from 90€

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

Return flights

01 Apr - 11 Apr Ryanair direct
01 Apr - 08 Apr Ryanair direct
22 Apr - 06 May Ryanair direct
25 Apr - 06 May Ryanair direct
01 Apr - 04 Apr Ryanair direct
18 Apr - 06 May Ryanair direct
01 Apr - 15 Apr Ryanair direct
01 Apr - 05 Apr Ryanair
03 Apr - 07 Apr Austrian Airlines

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