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

Return flights

31 Aug - 18 Sep	Delta
31 Aug - 12 Sep	Delta
31 Aug - 08 Sep	Delta
25 Aug - 20 Sep	WestJet
31 Aug - 09 Sep	Flair Airlines
23 Aug - 13 Sep	Delta
27 Aug - 06 Sep	Delta
30 Aug - 13 Sep	Finnair
24 Aug - 13 Sep	Finnair
31 Aug - 06 Sep	Flair Airlines
23 Aug - 30 Aug	American Airlines
22 Aug - 29 Aug	Air Canada
23 Aug - 29 Aug	Air Canada
22 Aug - 27 Aug	Air Canada
25 Aug - 31 Aug	WestJet
24 Aug - 31 Aug	Air Canada
22 Aug - 28 Aug	Air Canada
24 Aug - 30 Aug	Air Canada
22 Aug - 31 Aug	Air Canada
22 Aug - 25 Aug	Iberia

Also check the deals for one-way flights from Toronto to Barcelona in August.

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 August from 509€

Return flights