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

Return flights

24 Dec - 28 Dec	Frontier Airlines
23 Dec - 30 Dec	Frontier Airlines
15 Dec - 01 Jan	Frontier Airlines
02 Dec - 13 Dec	Delta
09 Dec - 21 Dec	Frontier Airlines
15 Dec - 07 Jan	Frontier Airlines
15 Dec - 27 Dec	Frontier Airlines
10 Dec - 24 Dec	Frontier Airlines
26 Dec - 10 Jan	Frontier Airlines
06 Dec - 11 Dec	KLM
10 Dec - 25 Dec	Frontier Airlines
18 Dec - 20 Jan	Delta

Also check the deals for one-way flights from Chicago 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 Chicago to Tokyo in December from 1379€

Return flights