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

Return flights

07 Dec - 16 Dec	Air Canada
08 Dec - 17 Dec	Air Canada
01 Dec - 10 Dec	Air Canada
02 Dec - 14 Dec	Air Canada
01 Dec - 10 Dec	United	direct
10 Dec - 20 Dec	Air Canada
02 Dec - 14 Dec	Zipair	direct
07 Dec - 16 Dec	Zipair	direct
15 Dec - 23 Dec	Air Canada
11 Dec - 22 Dec	Air Canada
25 Dec - 01 Jan	Zipair	direct
21 Dec - 01 Jan	Zipair	direct
27 Dec - 10 Jan	Air Canada
25 Dec - 04 Jan	Air Canada
24 Dec - 03 Jan	Air Canada
29 Dec - 09 Jan	Emirates
20 Dec - 03 Jan	Air Canada

Also check the deals for one-way flights from Houston 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 Houston to Tokyo in December from 632€

Return flights