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

Return flights

08 Sep - 22 Sep	Air China
06 Sep - 18 Sep	Air China
04 Sep - 18 Sep	Air China
06 Sep - 20 Sep	Air China
06 Sep - 21 Sep	Air China
09 Sep - 22 Sep	Air China
07 Sep - 21 Sep	Air China
08 Sep - 21 Sep	Air China
09 Sep - 21 Sep	Air China
18 Sep - 16 Oct	Air China
03 Sep - 04 Oct	Air China
01 Sep - 16 Sep	Air China
17 Sep - 17 Oct	Air China
17 Sep - 03 Oct	Air China
03 Sep - 03 Oct	Air China
02 Sep - 28 Oct	Ryanair
18 Sep - 02 Oct	Ryanair
11 Sep - 02 Oct	Ryanair
01 Sep - 31 Oct	Air India
01 Sep - 30 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 517€

Return flights