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

Return flights

04 Jul - 08 Jul	Ryanair	direct
04 Jul - 11 Jul	Ryanair	direct
04 Jul - 15 Jul	Ryanair	direct
11 Jul - 15 Jul	Ryanair	direct
11 Jul - 29 Jul	Ryanair	direct
10 Jul - 14 Jul	Austrian Airlines

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

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 Klagenfurt to London in July from 147€

Return flights