AirHint found the following cheapest return flights from Klagenfurt (KLU) to Istanbul (SAW) in December 2025 (see full year).
Return flights
| 01 Dec - 05 Dec | Ryanair | ||
| 02 Dec - 06 Dec | Austrian Airlines | ||
| 03 Dec - 06 Dec | Austrian Airlines | ||
| 27 Dec - 07 Jan | Ryanair | ||
| 21 Dec - 23 Dec | Austrian Airlines |
Also check the deals for one-way flights from Klagenfurt to Istanbul in December.
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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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