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

Return flights

08 Sep - 15 Sep	Air China
24 Sep - 14 Oct	Air China
16 Sep - 16 Oct	Air China
09 Sep - 16 Sep	Air China
08 Sep - 23 Sep	China Eastern
18 Sep - 23 Sep	China Eastern
16 Sep - 02 Oct	Norwegian Air Sweden AOC
08 Sep - 22 Sep	Air China
19 Sep - 23 Sep	Air China
12 Sep - 23 Oct	Air India
12 Sep - 09 Oct	Air India
22 Sep - 28 Sep	Air India
15 Sep - 25 Sep	Air India
15 Sep - 28 Sep	Air India
22 Sep - 30 Sep	Air India
26 Sep - 11 Oct	Air India
29 Sep - 11 Oct	Air India
22 Sep - 16 Oct	Air India
19 Sep - 11 Oct	Air India
29 Sep - 16 Oct	Air India

Also check the deals for one-way flights from Copenhagen to Tokyo 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 Copenhagen to Tokyo in September from $625

Return flights