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

Return flights

06 May - 19 May	Air Transat
05 May - 04 Jun	Air Transat
06 May - 04 Jun	Air Transat
27 May - 06 Jun	Air Transat
28 May - 06 Jun	Air Transat
07 May - 04 Jun	Air Transat
27 May - 02 Jun	Air Transat
02 May - 10 May	Air France
01 May - 10 May	Air France
02 May - 11 May	Air France
02 May - 09 May	Air France
03 May - 10 May	Air France
09 May - 13 May	Air France
10 May - 19 May	Air Transat
14 May - 28 May	Air Transat
11 May - 06 Jun	Air Transat
08 May - 14 May	Air Transat
25 May - 07 Jun	WestJet
29 May - 09 Jun	WestJet
24 May - 14 Jun	Aer Lingus

Also check the deals for one-way flights from Toronto 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 Toronto to Madrid in May from $478

Return flights