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

Return flights

23 Aug - 11 Sep	WestJet
24 Aug - 11 Sep	WestJet
25 Aug - 07 Sep	WestJet
18 Aug - 07 Sep	WestJet
17 Aug - 10 Sep	WestJet
17 Aug - 25 Aug	WestJet
25 Aug - 08 Sep	WestJet
02 Aug - 08 Sep	WestJet
07 Aug - 20 Aug	WestJet
20 Aug - 06 Sep	WestJet
17 Aug - 24 Aug	WestJet
31 Aug - 10 Sep	Air Transat
20 Aug - 02 Sep	Porter Airlines (Canada) Ltd
13 Aug - 27 Aug	Air Transat
13 Aug - 24 Aug	Porter Airlines (Canada) Ltd
06 Aug - 20 Aug	WestJet
12 Aug - 26 Aug	WestJet
15 Aug - 26 Aug	WestJet
04 Aug - 22 Aug	Porter Airlines (Canada) Ltd
04 Aug - 14 Aug	WestJet

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 356€

Return flights