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

Return flights

21 Aug - 15 Sep	United
27 Aug - 03 Sep	ANA
22 Aug - 04 Sep	United
29 Aug - 09 Sep	United
23 Aug - 07 Sep	ANA
14 Aug - 23 Aug	Frontier Airlines
05 Aug - 26 Aug	Cathay Pacific
04 Aug - 25 Aug	Cathay Pacific
20 Aug - 27 Aug	United
15 Aug - 17 Aug	Frontier Airlines
04 Aug - 18 Aug	Cathay Pacific
11 Aug - 18 Aug	Cathay Pacific
04 Aug - 14 Aug	Cathay Pacific
08 Aug - 15 Aug	Spirit Airlines
14 Aug - 27 Aug	United

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 646€

Return flights