Cheapest return flights from Ontario to Madrid in May from $1135

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

13 May - 20 May Iberia
11 May - 21 May British Airways
07 May - 14 May British Airways
06 May - 20 May British Airways
07 May - 11 Jun British Airways
11 May - 20 May British Airways
18 May - 03 Jun Iberia
10 May - 20 May British Airways
07 May - 18 May British Airways
09 May - 16 May Iberia
18 May - 30 May Iberia
07 May - 17 May British Airways
06 May - 16 Jun British Airways
14 May - 05 Jun British Airways
20 May - 01 Jun Avianca
28 May - 04 Jun British Airways
30 May - 05 Jun British Airways
24 May - 01 Jun British Airways
04 May - 10 Jun British Airways
17 May - 01 Jun Avianca

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

Skyscanner

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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