Cheapest return flights from Ontario to Madrid in May from $1150

Best time to book flights for Ontario (ONT) to Madrid (MAD) flights at AirHint

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

Return flights

27 May - 11 Jun Iberia
25 May - 04 Jun British Airways
30 May - 09 Jun KLM
24 May - 15 Jun British Airways
20 May - 26 May Avianca
20 May - 01 Jun Avianca
20 May - 11 Jun Avianca
31 May - 06 Jun Avianca
25 May - 03 Jun KLM
25 May - 08 Jun Iberia
27 May - 03 Jun Iberia
24 May - 29 May British Airways
24 May - 26 May British Airways
19 May - 27 May British Airways
18 May - 25 May KLM
12 May - 20 May British Airways
12 May - 22 May British Airways
12 May - 19 May British Airways
10 May - 20 May British Airways
10 May - 17 May British Airways

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

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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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