Cheapest return flights from London to Klagenfurt in April from 44€

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

Return flights

15 Apr - 22 Apr Ryanair direct
15 Apr - 18 Apr Ryanair direct
18 Apr - 22 Apr Ryanair direct
11 Apr - 22 Apr Ryanair direct
11 Apr - 18 Apr Ryanair direct
29 Apr - 16 May Ryanair direct
08 Apr - 22 Apr Ryanair direct
08 Apr - 18 Apr Ryanair direct
29 Apr - 06 May Ryanair direct
18 Apr - 06 May Ryanair direct
15 Apr - 29 Apr Ryanair direct
18 Apr - 29 Apr Ryanair direct
11 Apr - 29 Apr Ryanair direct
29 Apr - 13 May Ryanair direct
25 Apr - 06 May Ryanair direct
25 Apr - 13 May Ryanair direct

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

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