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

Return flights

06 May - 19 May	TAP
11 May - 20 May	TAP
13 May - 24 May	TAP
11 May - 24 May	TAP
11 May - 18 May	TAP
13 May - 20 May	TAP
06 May - 16 May	TAP
03 May - 15 May	TAP
06 May - 15 May	TAP
11 May - 17 May	TAP
24 May - 23 Jun	TAP
06 May - 17 Jun	Air Canada
27 May - 03 Jun	TAP
28 May - 11 Jun	KLM
08 May - 08 Jun	Air France
24 May - 23 Jun	Air Canada	direct
28 May - 01 Jun	Air Canada	direct
28 May - 04 Jun	Air Canada
29 May - 05 Jun	Air Transat
25 May - 01 Jun	Air Canada

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 373€

Return flights