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

Return flights

22 Jun - 26 Jun	Air Canada	direct
19 Jun - 24 Jun	KLM
24 Jun - 28 Jun	Air France
21 Jun - 28 Jun	Delta
22 Jun - 28 Jun	Delta
20 Jun - 28 Jun	Delta
20 Jun - 27 Jun	Delta
22 Jun - 27 Jun	Air France
24 Jun - 01 Jul	Air Transat
19 Jun - 22 Jun	KLM
24 Jun - 30 Jun	Lufthansa
19 Jun - 03 Jul	Delta
21 Jun - 04 Jul	Air France
30 Jun - 10 Jul	Air Canada
22 Jun - 03 Jul	Air Transat
29 Jun - 09 Jul	Delta
30 Jun - 22 Jul	Air Transat
29 Jun - 15 Jul	Air Canada
24 Jun - 02 Jul	Air Transat
24 Jun - 08 Jul	Air Transat

Also check the deals for one-way 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 return flights from Toronto to Barcelona in June from 545€

Return flights