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

One-Way flights

07 Oct	Frontier Airlines
15 Oct	Alaska Airlines
28 Oct	Frontier Airlines
22 Oct	Frontier Airlines
29 Oct	Frontier Airlines
25 Oct	Frontier Airlines
21 Oct	Frontier Airlines
14 Oct	Frontier Airlines
20 Oct	Frontier Airlines
23 Oct	Frontier Airlines

Also check the deals for return 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 one-way flights from Denver to Tokyo in October from $310

One-Way flights