AirHint found the following cheapest return flights from Rotterdam (RTM) to Copenhagen (CPH) in July 2025 (see full year).

Return flights

24 Jul - 28 Jul	transavia
24 Jul - 29 Jul	transavia
01 Jul - 04 Jul	transavia
10 Jul - 12 Jul	transavia
02 Jul - 06 Jul	transavia
21 Jul - 22 Jul	transavia
28 Jul - 02 Aug	transavia
06 Jul - 09 Jul	transavia
15 Jul - 18 Jul	British Airways
16 Jul - 19 Jul	British Airways
21 Jul - 25 Jul	transavia
23 Jul - 07 Aug	British Airways

Also check the deals for one-way flights from Rotterdam to Copenhagen 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 Rotterdam to Copenhagen in July from $404

Return flights