Cheapest flights from Ontario to Chicago
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Ontario to Chicago. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
Cheapest one way flight
$65
Spirit Airlines
Direct flight
4h 5m
04/30/2025
The cheapest one-way flight from Ontario to Chicago departs on 04/30/2025, is operated by Spirit Airlines and costs $65
Cheapest round trip flight
$152
Spirit Airlines
Direct flight
8h 36m
05/02/2025
The cheapest roundtrip flight from Ontario to Chicago departs on 05/02/2025, is operated by Spirit Airlines and costs $152
The fastest flight
4h 1m
Fastest flight from Ontario to Chicago takes 4h 1m
Direct flights
Every day
There are direct flights on this route 7 days a week: Su, Mo, Tu, We, Th, Fr, and Sa
Earliest flight
5:10 AM
Latest flight
11:35 AM
Direct flights count
8
Distance
2754km
Timezone difference
2h
The distance between Ontario and Chicago is 2754km (1707 miles). There are 8 direct flights from Ontario to Chicago. The time difference between Ontario and Chicago is 2h . Flights from Ontario begin at 5:10 AM. The latest flight from Ontario departs at 11:35 AM.
