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

Return flights

10 Nov - 22 Nov	Ryanair	direct
03 Nov - 22 Nov	Ryanair	direct
03 Nov - 08 Nov	Ryanair	direct
01 Nov - 08 Nov	Ryanair	direct
07 Nov - 08 Nov	Ryanair
10 Nov - 14 Nov	Austrian Airlines
09 Nov - 13 Nov	Austrian Airlines
06 Nov - 09 Nov	Austrian Airlines

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

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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Cheapest return flights from London to Klagenfurt in November from 73€

Return flights