Flights Oakland — Ontario is a popular route. The straight-line distance is 590 km. Flight time 1h 12m. Time difference +0h.
From Oakland (OAK) flights depart from 2 airports: OAK, SFO. To Ontario (ONT) — 1 arrival airport: ONT.
3 airlines operate on this route: Frontier Airlines, United Airlines, Alaska Airlines.
The minimum price for the next 3 months — from $160 (23.11.2026). The cheapest dates are highlighted in the calendar above.
The average ticket price — $375, ranging from $160 to $590. Book 1–3 months in advance to get the best deals.
Cheapest day to fly — Friday.