Cheapest return flights from Ontario to Barcelona in March from $832

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

Return flights

08 Mar - 19 Mar British Airways
03 Mar - 12 Mar British Airways
03 Mar - 10 Mar Iberia
02 Mar - 10 Mar British Airways
21 Mar - 09 Apr British Airways
08 Mar - 15 Mar British Airways
07 Mar - 15 Mar British Airways
24 Mar - 30 Mar British Airways
19 Mar - 09 Apr British Airways
17 Mar - 26 Mar British Airways
02 Mar - 09 Mar Iberia
01 Mar - 08 Mar British Airways
26 Mar - 09 Apr British Airways
23 Mar - 10 Apr British Airways
18 Mar - 01 Apr British Airways
27 Mar - 04 Apr British Airways
28 Mar - 04 Apr British Airways
27 Mar - 03 Apr British Airways
29 Mar - 04 Apr British Airways
27 Mar - 06 Apr British Airways

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

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.