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

Return flights

29 Sep - 08 Oct	Zipair
20 Sep - 27 Sep	Zipair	direct
26 Sep - 13 Oct	Zipair	direct
30 Sep - 08 Oct	Spirit Airlines
19 Sep - 26 Sep	Zipair	direct
19 Sep - 27 Sep	Zipair	direct
19 Sep - 15 Oct	Zipair	direct
29 Sep - 13 Oct	Zipair	direct
29 Sep - 08 Oct	Zipair	direct
24 Sep - 01 Oct	Zipair	direct
22 Sep - 29 Sep	Zipair	direct
30 Sep - 03 Oct	Spirit Airlines
19 Sep - 03 Oct	Zipair	direct
20 Sep - 04 Oct	Zipair	direct
21 Sep - 26 Sep	Frontier Airlines
18 Sep - 23 Sep	Air Canada
21 Sep - 28 Sep	ANA	direct
20 Sep - 28 Sep	United	direct
21 Sep - 26 Sep	ANA	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 $631

Return flights