Cheapest return flights from Ontario to Barcelona in March from 725€

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

Return flights

10 Mar - 19 Mar Iberia
30 Mar - 10 Apr British Airways
09 Mar - 23 Mar Iberia
10 Mar - 15 Mar Iberia
09 Mar - 04 Apr Iberia
10 Mar - 04 Apr Iberia
19 Mar - 11 Apr Iberia
26 Mar - 04 Apr Iberia
23 Mar - 27 Mar Iberia
19 Mar - 28 Mar Iberia
21 Mar - 11 Apr Iberia
12 Mar - 21 Mar Iberia
21 Mar - 04 Apr Iberia
22 Mar - 29 Mar KLM

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

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