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

Return flights

08 Sep - 15 Sep	United
10 Sep - 01 Oct	United
15 Sep - 30 Sep	United
09 Sep - 16 Sep	ANA
16 Sep - 24 Sep	ANA
03 Sep - 24 Sep	ANA
11 Sep - 05 Oct	ANA
11 Sep - 02 Oct	ANA
11 Sep - 23 Sep	ANA
01 Sep - 15 Sep	ANA
15 Sep - 22 Sep	ANA
13 Sep - 29 Sep	United
09 Sep - 19 Sep	ANA
28 Sep - 25 Oct	ANA
26 Sep - 25 Oct	ANA

Also check the deals for one-way flights from Chicago 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 Chicago to Manila in September from $747

Return flights