AirHint found the following cheapest return flights from Ontario (ONT) to Melbourne (MEL) in October 2026 (see full year).
Return flights
| 18 Oct - 27 Oct | China Airlines | ||
| 07 Oct - 21 Oct | China Airlines | ||
| 22 Oct - 22 Nov | Japan Airlines | ||
| 21 Oct - 21 Nov | Qatar Airways |
Also check the deals for one-way flights from Ontario to Melbourne in October.
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