AirHint found the following cheapest return flights from Rotterdam (RTM) to Copenhagen (CPH) in January 2026 (see full year).

Return flights

30 Jan - 01 Feb	transavia
16 Jan - 25 Jan	transavia
16 Jan - 21 Jan	transavia
31 Jan - 01 Feb	transavia
23 Jan - 26 Jan	transavia
24 Jan - 27 Jan	transavia
16 Jan - 18 Jan	transavia
23 Jan - 27 Jan	transavia
29 Jan - 04 Feb	transavia
04 Jan - 07 Jan	transavia
01 Jan - 04 Jan	transavia
05 Jan - 06 Jan	transavia

Also check the deals for one-way flights from Rotterdam to Copenhagen in January.

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 Rotterdam to Copenhagen in January from 194€

Return flights