Cheapest return flights from Ontario to Barcelona in August from $1121

AirHint found the following cheapest return flights from Ontario (ONT) to Barcelona (BCN) in August 2026 (see full year).

Return flights

05 Aug - 29 Aug Iberia
18 Aug - 05 Sep Air Canada
08 Aug - 29 Aug Air Canada
02 Aug - 18 Aug Air Canada
27 Aug - 06 Sep SWISS
23 Aug - 12 Sep jetBlue
20 Aug - 12 Sep jetBlue
01 Aug - 15 Aug Air Canada
01 Aug - 08 Aug jetBlue

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

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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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