AirHint found the following cheapest return flights from Ontario (ONT) to Manila (MNL) in October 2025 (see full year).

Return flights

01 Oct - 08 Oct	Korean Air
06 Oct - 15 Oct	Korean Air
16 Oct - 06 Nov	Korean Air
22 Oct - 09 Nov	Korean Air
20 Oct - 09 Nov	Korean Air
14 Oct - 04 Nov	Korean Air
01 Oct - 29 Oct	Korean Air
02 Oct - 22 Oct	Korean Air
01 Oct - 19 Nov	Korean Air
16 Oct - 05 Nov	Korean Air
07 Oct - 21 Oct	Korean Air
15 Oct - 26 Nov	Korean Air
29 Oct - 12 Nov	Korean Air
22 Oct - 29 Oct	Korean Air
23 Oct - 20 Nov	Korean Air
06 Oct - 13 Oct	Korean Air
19 Oct - 31 Oct	China Airlines
10 Oct - 16 Oct	China Airlines
04 Oct - 25 Oct	China Airlines
08 Oct - 07 Nov	China Airlines

Also check the deals for one-way flights from Ontario to Manila in October.

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 Ontario to Manila in October from $697

Return flights