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

Return flights

20 May - 27 May	Finnair
11 May - 20 May	Finnair
04 May - 13 May	Finnair
09 May - 20 May	Finnair
11 May - 19 May	Finnair
02 May - 09 May	British Airways
01 May - 09 May	British Airways
07 May - 13 May	British Airways
10 May - 20 May	Finnair
13 May - 25 May	Finnair
20 May - 03 Jun	Air Transat
27 May - 03 Jun	Air Transat
30 May - 06 Jun	Air Transat
14 May - 06 Jun	Air Transat
28 May - 07 Jun	Air Transat
19 May - 05 Jun	Air Transat
07 May - 17 Jun	Air Transat
26 May - 17 Jun	Air Transat
19 May - 23 Jun	Air Transat
14 May - 17 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 355€

Return flights