AirHint found the following cheapest return flights from Reykjavik (REK) to Copenhagen (CPH) in September 2025 (see full year).

Return flights

28 Sep - 02 Oct	Wizz Air
22 Sep - 24 Sep	Fly Play
28 Sep - 30 Sep	Wizz Air
17 Sep - 18 Sep	Fly Play	direct
22 Sep - 24 Sep	Fly Play	direct
29 Sep - 02 Oct	Fly Play	direct
25 Sep - 28 Sep	Wizz Air
27 Sep - 09 Oct	easyJet
18 Sep - 23 Sep	Wizz Air
27 Sep - 30 Sep	easyJet
25 Sep - 29 Sep	Fly Play
25 Sep - 05 Oct	Wizz Air
22 Sep - 25 Sep	Fly Play	direct
21 Sep - 24 Sep	Fly Play	direct
28 Sep - 02 Oct	Fly Play	direct
28 Sep - 01 Oct	Fly Play	direct
30 Sep - 03 Oct	Icelandair	direct
25 Sep - 05 Oct	Icelandair	direct
27 Sep - 09 Oct	Icelandair	direct

Also check the deals for one-way flights from Reykjavik to Copenhagen in September.

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 Reykjavik to Copenhagen in September from 183€

Return flights