Cheapest return flights from Ontario to Barcelona in June from $1282

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

Return flights

27 Jun - 18 Jul Iberia
20 Jun - 11 Jul Iberia
25 Jun - 03 Jul Iberia
11 Jun - 04 Jul Iberia
08 Jun - 23 Jun SWISS
30 Jun - 25 Jul Iberia
22 Jun - 18 Jul Iberia
18 Jun - 11 Jul Iberia
08 Jun - 04 Jul Iberia
10 Jun - 04 Jul Iberia
02 Jun - 16 Jun Iberia
17 Jun - 11 Jul Iberia
02 Jun - 19 Jun jetBlue
06 Jun - 27 Jun jetBlue
02 Jun - 27 Jun jetBlue
01 Jun - 27 Jun jetBlue
03 Jun - 20 Jun jetBlue

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

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