Cheapest return flights from Ontario to Barcelona in June from $1193

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

Return flights

10 Jun - 24 Jun British Airways
03 Jun - 24 Jun British Airways
03 Jun - 17 Jun British Airways
14 Jun - 25 Jun British Airways
16 Jun - 22 Jun British Airways
11 Jun - 25 Jun British Airways
25 Jun - 02 Jul British Airways
12 Jun - 23 Jun British Airways
01 Jun - 08 Jun SWISS
13 Jun - 22 Jun British Airways
24 Jun - 04 Jul British Airways
20 Jun - 04 Jul British Airways
24 Jun - 08 Jul British Airways
21 Jun - 05 Jul British Airways
05 Jun - 15 Jun Iberia
26 Jun - 05 Jul British Airways
25 Jun - 08 Jul British Airways
25 Jun - 05 Jul British Airways
25 Jun - 04 Jul British Airways
04 Jun - 06 Jul Avianca

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

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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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