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

Return flights

12 Sep - 26 Sep	Zipair	direct
08 Sep - 22 Sep	Zipair	direct
01 Sep - 15 Sep	Zipair	direct
10 Sep - 24 Sep	Zipair	direct
03 Sep - 10 Sep	Zipair	direct
19 Sep - 27 Sep	Zipair	direct
20 Sep - 27 Sep	Zipair	direct
15 Sep - 22 Sep	Zipair	direct
06 Sep - 15 Sep	Zipair	direct
12 Sep - 20 Sep	Zipair	direct
24 Sep - 03 Oct	Air Canada
23 Sep - 08 Oct	Air Canada
24 Sep - 03 Oct	Zipair	direct
28 Sep - 05 Oct	Air Canada
23 Sep - 08 Oct	United	direct
30 Sep - 17 Oct	Air Canada
28 Sep - 03 Oct	Spirit Airlines
28 Sep - 05 Oct	United	direct
25 Sep - 05 Oct	United	direct
30 Sep - 17 Oct	United	direct

Also check the deals for one-way flights from Houston to Tokyo in September.

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 September from 575€

Return flights