AirHint found the following cheapest return flights from Kayseri (ASR) to Rotterdam (RTM) in December 2025 (see full year).

Return flights

16 Dec - 01 Jan	Pegasus Airlines	direct
18 Dec - 22 Jan	SunExpress	direct
25 Dec - 01 Jan	SunExpress	direct
25 Dec - 08 Jan	SunExpress	direct
18 Dec - 25 Dec	SunExpress	direct
11 Dec - 25 Dec	SunExpress	direct
19 Dec - 04 Jan	Pegasus Airlines
11 Dec - 18 Dec	SunExpress	direct

Also check the deals for one-way flights from Kayseri to Rotterdam in December.

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 Kayseri to Rotterdam in December from 149€

Return flights