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

Return flights

20 Aug - 24 Sep	Spirit Airlines
14 Aug - 21 Aug	Spirit Airlines
26 Aug - 02 Sep	Spirit Airlines
24 Aug - 23 Sep	Philippine Airlines
07 Aug - 23 Sep	Philippine Airlines
25 Aug - 23 Sep	Philippine Airlines
14 Aug - 24 Aug	Philippine Airlines
14 Aug - 22 Aug	Spirit Airlines
15 Aug - 21 Aug	WestJet
15 Aug - 22 Aug	WestJet
01 Aug - 31 Aug	Zipair
08 Aug - 17 Aug	EVA Air

Also check the deals for one-way flights from Houston to Manila in August.

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 August from $804

Return flights