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

Return flights

30 Sep - 31 Oct	United
26 Sep - 06 Oct	United
25 Sep - 30 Sep	United
23 Sep - 30 Sep	United
22 Sep - 13 Oct	United
29 Sep - 13 Oct	United
19 Sep - 29 Sep	United
21 Sep - 01 Oct	United
26 Sep - 05 Oct	Frontier Airlines
28 Sep - 19 Oct	Frontier Airlines
19 Sep - 23 Sep	United
22 Sep - 06 Oct	Turkish Airlines

Also check the deals for one-way flights from Houston to Manila 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 Manila in September from 701€

Return flights