AirHint found the following cheapest return flights from Cologne (CGN) to Tokyo (NRT) in September 2025 (see full year).

Return flights

09 Sep - 23 Sep	Ryanair
20 Sep - 04 Oct	Ryanair
20 Sep - 31 Oct	Ryanair
22 Sep - 30 Sep	Ryanair
08 Sep - 15 Sep	Ryanair
16 Sep - 26 Sep	Ryanair
30 Sep - 03 Oct	AJet
08 Sep - 21 Sep	Ryanair
01 Sep - 14 Sep	Eurowings
20 Sep - 27 Sep	Ryanair
06 Sep - 27 Sep	Ryanair
02 Sep - 04 Sep	Ryanair
01 Sep - 30 Sep	Ryanair
27 Sep - 03 Oct	Ryanair
29 Sep - 06 Oct	Eurowings
29 Sep - 18 Oct	Aegean Airlines

Also check the deals for one-way flights from Cologne 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 Cologne to Tokyo in September from 717€

Return flights