Cheapest one-way flights from Ontario to Barcelona in April from $436

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

AirHint found the following cheapest one-way flights from Ontario (ONT) to Barcelona (BCN) in April 2025 (see full year).

One-Way flights

03 Apr Frontier Airlines
02 Apr British Airways
04 Apr Frontier Airlines
21 Apr British Airways
14 Apr British Airways
08 Apr British Airways
27 Apr British Airways
16 Apr British Airways
13 Apr British Airways
19 Apr British Airways

Also check the deals for return flights from Ontario to Barcelona in April.

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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