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

Return flights

11 Dec - 15 Dec	Air Canada
09 Dec - 13 Jan	Hawaiian Airlines
11 Dec - 13 Jan	Air Canada
15 Dec - 28 Dec	Air Canada
15 Dec - 29 Dec	Air Canada
23 Dec - 12 Jan	Air Canada
24 Dec - 11 Jan	Frontier Airlines
09 Dec - 06 Jan	Air Canada
26 Dec - 11 Jan	Frontier Airlines
21 Dec - 30 Dec	Air Canada
09 Dec - 07 Jan	Air Canada
28 Dec - 10 Jan	Sun Country Airlines
21 Dec - 29 Dec	Air Canada
15 Dec - 07 Jan	Air Canada
09 Dec - 13 Jan	United	direct
18 Dec - 28 Dec	Air Canada
20 Dec - 31 Dec	Air Canada
21 Dec - 31 Dec	Air Canada
19 Dec - 28 Dec	Air Canada
11 Dec - 15 Dec	ANA	direct

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

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 December from $920

Return flights