Cheapest one-way flights from Ontario to Barcelona in January from $263

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

One-Way flights

21 Jan Frontier Airlines
28 Jan Frontier Airlines
14 Jan Frontier Airlines
23 Jan Frontier Airlines
25 Jan Frontier Airlines
30 Jan Frontier Airlines
12 Jan Frontier Airlines
15 Jan Iberia
22 Jan Iberia
24 Jan Iberia

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

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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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