Cheapest one-way flights from Ontario to Barcelona in April from $283

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

One-Way flights

16 Apr Frontier Airlines
28 Apr British Airways
15 Apr British Airways
08 Apr Air Canada
18 Apr British Airways
11 Apr Volaris
22 Apr British Airways
25 Apr British Airways
14 Apr Lufthansa
03 Apr British Airways

Also check the deals for return 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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