Cheapest return flights from Ontario to Madrid in October from 646€

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

Return flights

28 Oct - 15 Nov Iberia
25 Oct - 15 Nov Iberia
24 Oct - 24 Nov Iberia
28 Oct - 22 Nov Iberia
30 Oct - 22 Nov Iberia
25 Oct - 09 Nov Iberia
28 Oct - 04 Nov Iberia
24 Oct - 09 Nov Iberia
24 Oct - 28 Oct Iberia
24 Oct - 30 Oct Iberia

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

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