Flights Ontario — Barcelona is a popular route. The straight-line distance is 9 618 km. Flight time 11h 49m. Time difference +9h.
From Ontario (ONT) flights depart from 1 airport: ONT. To Barcelona (BCN) — 1 arrival airport: BCN.
2 airlines operate on this route: Frontier Airlines, United Airlines.
The minimum price for the next 3 months — from $352 (10.12.2026). The cheapest dates are highlighted in the calendar above.
The average ticket price — $491, ranging from $352 to $630. Book 1–3 months in advance to get the best deals.
Cheapest day to fly — Thursday.