Cheapest return flights from Ontario to Barcelona in April from 773€

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

Return flights

21 Apr - 05 May British Airways
10 Apr - 14 Apr British Airways
04 Apr - 14 Apr British Airways
24 Apr - 08 May British Airways
08 Apr - 02 May British Airways
09 Apr - 02 May British Airways
02 Apr - 25 Apr British Airways
03 Apr - 25 Apr British Airways
22 Apr - 26 Apr British Airways

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

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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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