AirHint found the following cheapest return flights from Denver (DEN) to Tokyo (NRT) in October 2025 (see full year).

Return flights

30 Oct - 13 Nov	Air Canada
25 Oct - 06 Nov	Air Canada
20 Oct - 30 Oct	Frontier Airlines
15 Oct - 22 Oct	Frontier Airlines
23 Oct - 29 Oct	Frontier Airlines
01 Oct - 08 Oct	Frontier Airlines
04 Oct - 11 Oct	Frontier Airlines
06 Oct - 17 Oct	Hawaiian Airlines
01 Oct - 09 Oct	Air Canada
08 Oct - 15 Oct	Air Canada
05 Oct - 18 Oct	Air Canada
09 Oct - 14 Oct	Air Canada
21 Oct - 15 Nov	Frontier Airlines
01 Oct - 25 Nov	Alaska Airlines
21 Oct - 15 Nov	United	direct

Also check the deals for one-way flights from Denver to Tokyo in October.

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 Denver to Tokyo in October from 791€

Return flights