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

Return flights

13 May - 27 May	British Airways
19 May - 26 May	British Airways
01 May - 09 May	British Airways
02 May - 23 May	Air France
15 May - 29 May	Delta
13 May - 27 May	Lufthansa	direct
07 May - 30 May	Air Canada	direct
19 May - 26 May	Lufthansa	direct
15 May - 29 May	Air Canada	direct
21 May - 31 May	Air Canada
01 May - 01 Jun	Icelandair
13 May - 06 Jun	Icelandair
24 May - 06 Jun	Delta
01 May - 01 Jun	Lufthansa	direct

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 461€

Return flights