AirHint found the following cheapest one-way flights from Toronto (YYZ) to Barcelona (BCN) in June 2025 (see full year).

One-Way flights

15 Jun	Air Transat
30 Jun	WestJet
29 Jun	WestJet
22 Jun	Air Transat
19 Jun	WestJet
18 Jun	Air Transat
20 Jun	Air Transat
28 Jun	Air Transat
27 Jun	Porter Airlines (Canada) Ltd
17 Jun	Air Canada	direct

Also check the deals for return flights from Toronto to Barcelona in June.

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 one-way flights from Toronto to Barcelona in June from $328

One-Way flights