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

Return flights

05 Sep - 19 Sep	Air India
15 Sep - 25 Sep	Air India
06 Sep - 20 Sep	Air India
07 Sep - 20 Sep	Air India
08 Sep - 21 Sep	Air India
01 Sep - 16 Sep	Air India
06 Sep - 21 Sep	Air India
03 Sep - 16 Sep	Air India
17 Sep - 25 Sep	Air India
17 Sep - 12 Oct	Air India
24 Sep - 19 Oct	Air India
24 Sep - 03 Oct	Air India
15 Sep - 20 Sep	Air India
17 Sep - 21 Oct	Air China
22 Sep - 06 Oct	Thai Airways
25 Sep - 09 Oct	Thai Airways
25 Sep - 23 Oct	Thai Airways
25 Sep - 21 Oct	Thai Airways
25 Sep - 02 Oct	Thai Airways
20 Sep - 16 Oct	Air China

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 $889

Return flights