Cheapest return flights from Ontario to Barcelona in December from $1345

AirHint found the following cheapest return flights from Ontario (ONT) to Barcelona (BCN) in December 2025 (see full year).

Return flights

23 Dec - 13 Jan British Airways
28 Dec - 16 Jan British Airways
24 Dec - 13 Jan British Airways
25 Dec - 13 Jan British Airways
30 Dec - 25 Jan British Airways
24 Dec - 28 Dec British Airways
29 Dec - 19 Jan Iberia
23 Dec - 01 Jan British Airways
24 Dec - 12 Jan British Airways
28 Dec - 08 Jan British Airways
29 Dec - 08 Jan British Airways
23 Dec - 30 Dec British Airways
24 Dec - 31 Dec British Airways
25 Dec - 31 Dec British Airways
24 Dec - 27 Dec British Airways
25 Dec - 30 Dec Iberia
23 Dec - 26 Dec British Airways
23 Dec - 25 Dec British Airways
24 Dec - 26 Dec Iberia
23 Dec - 31 Dec Avianca

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

Powered by

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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona

Feel free to contact us with any feedback or request another flight research.