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

Return flights

24 May - 06 Jun	Icelandair
27 May - 05 Jun	Icelandair
02 May - 09 May	Icelandair
05 May - 15 May	Icelandair
27 May - 04 Jun	Icelandair
20 May - 10 Jun	Icelandair
08 May - 24 May	Icelandair
27 May - 06 Jun	Icelandair
24 May - 31 May	Icelandair
01 May - 13 May	Icelandair
04 May - 21 May	Icelandair
04 May - 13 May	Icelandair
23 May - 30 May	Icelandair
25 May - 01 Jun	Icelandair
12 May - 23 Jun	Porter Airlines (Canada) Ltd
24 May - 07 Jun	Icelandair
01 May - 10 May	Icelandair
07 May - 24 May	Icelandair
28 May - 06 Jun	Air Transat
29 May - 28 Jun	Air Transat

Also check the deals for one-way flights from Toronto to Barcelona 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 Barcelona in May from $498

Return flights