Cheapest return flights from London to Klagenfurt in March from 35€

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

Return flights

14 Mar - 21 Mar Ryanair direct
09 Mar - 21 Mar Ryanair direct
16 Mar - 21 Mar Ryanair direct
14 Mar - 23 Mar Ryanair direct
14 Mar - 16 Mar Ryanair direct
07 Mar - 09 Mar Ryanair direct
09 Mar - 23 Mar Ryanair direct
09 Mar - 14 Mar Ryanair direct
09 Mar - 16 Mar Ryanair direct
16 Mar - 23 Mar Ryanair direct
16 Mar - 04 Apr Ryanair direct
21 Mar - 04 Apr Ryanair direct
23 Mar - 04 Apr Ryanair direct
14 Mar - 01 Apr Ryanair direct
16 Mar - 01 Apr Ryanair direct
21 Mar - 01 Apr Ryanair direct
23 Mar - 11 Apr Ryanair direct
23 Mar - 01 Apr Ryanair direct
28 Mar - 04 Apr Ryanair direct
21 Mar - 08 Apr Ryanair direct

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

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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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