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

Return flights

28 Aug - 14 Sep	ANA
26 Aug - 09 Sep	Cathay Pacific
21 Aug - 04 Sep	ANA
21 Aug - 01 Sep	ANA
29 Aug - 09 Sep	Cathay Pacific
22 Aug - 01 Sep	ANA
29 Aug - 01 Sep	ANA
21 Aug - 28 Aug	ANA
19 Aug - 26 Aug	ANA
22 Aug - 31 Aug	Spirit Airlines
17 Aug - 27 Aug	United
22 Aug - 29 Aug	Spirit Airlines
16 Aug - 23 Aug	United
20 Aug - 24 Aug	United
17 Aug - 05 Sep	United
17 Aug - 21 Aug	ANA

Also check the deals for one-way flights from Chicago 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 Chicago to Manila in August from 647€

Return flights