Cheapest return flights from Ontario to Barcelona in August from $852

Best time to book flights for Ontario (ONT) to Barcelona (BCN) flights at AirHint

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

Return flights

16 Aug - 14 Sep Iberia
05 Aug - 22 Aug Iberia
18 Aug - 01 Sep Iberia
09 Aug - 30 Aug Iberia
11 Aug - 25 Aug Iberia
09 Aug - 23 Aug Iberia
10 Aug - 23 Aug British Airways
21 Aug - 04 Sep British Airways
30 Aug - 20 Sep Iberia
27 Aug - 07 Sep British Airways
06 Aug - 12 Aug British Airways
21 Aug - 25 Aug Iberia
06 Aug - 15 Aug Iberia
07 Aug - 14 Aug British Airways
10 Aug - 17 Aug British Airways
28 Aug - 07 Sep Iberia

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

Skyscanner

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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