AirHint found the following cheapest return flights from Montreal (YUL) to Madrid (MAD) in May 2026 (see full year).

Return flights

04 May - 11 May	TAP
24 May - 03 Jun	TAP
31 May - 12 Jun	TAP
22 May - 05 Jun	TAP
31 May - 08 Jun	TAP
11 May - 01 Jun	TAP
01 May - 15 May	TAP
25 May - 01 Jun	TAP
27 May - 03 Jun	TAP
18 May - 25 May	TAP
20 May - 27 May	TAP
10 May - 31 May	TAP
25 May - 04 Jun	TAP
31 May - 09 Jun	TAP
24 May - 31 May	TAP
31 May - 07 Jun	TAP
13 May - 22 May	TAP
13 May - 21 May	TAP
18 May - 26 May	TAP
17 May - 24 May	TAP

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

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 Montreal to Madrid in May from 398€

Return flights