LAX
ONT
Helping travelers to find the best flight offers
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Chicago to Ontario:
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
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 Chicago to Ontario. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Chicago to Ontario
Below you will find a list of airlines operating flights on the Chicago — Ontario route and the starting prices for flights of each specific airline on it.
Unable to find information about the schedule of direct flights from
A direct flight is the most convenient and comfortable way to fly from Chicago to Ontario, despite the fact that sometimes flights with transfers can cost significantly less.
We couldn't find any special offers for flights from Chicago to Ontario
Chicago — Los Angeles
02/19/2025
Departure date
Direct flight
UA2440
Starting at $126
Chicago — Los Angeles
02/26/2025
Departure date
Direct flight
WN4804
Starting at $568
Chicago — Los Angeles
02/26/2025
Departure date
Direct flight
NK1676
Starting at $28
Chicago — Los Angeles
05/09/2025
Departure date
Direct flight
AA2394
Starting at $134
Chicago — Los Angeles
02/10/2025
Departure date
Direct flight
UA1515
Starting at $611
Chicago — Los Angeles
02/10/2025
Departure date
Direct flight
UA2654
Starting at $612
Chicago — Los Angeles
02/11/2025
Departure date
Direct flight
WN1059
Starting at $493
Chicago — Los Angeles
02/12/2025
Departure date
Direct flight
AA529
Starting at $463
Chicago — Los Angeles
02/15/2025
Departure date
Direct flight
WN4804
Starting at $404
Chicago — Los Angeles
02/18/2025
Departure date
Direct flight
AA529
Starting at $298
The cheapest flight ticket from Chicago to Ontario according to data for the last 48 hours costs $24
Often the best time to buy tickets from Chicago to Ontario is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Chicago to Ontario can be found flying in these months: February, March, April.
The fastest flights from Chicago to Ontario start from 4 hours 50 minutes in the air.
The following airlines operate direct flights on the route Chicago — Ontario: United Airlines, Southwest Airlines, Spirit Airlines
The cheapest one-way flight from Chicago to Ontario departs on 02/25/2025, is operated by Spirit Airlines and costs $24
The cheapest roundtrip flight from Chicago to Ontario departs on 03/06/2025, is operated by Spirit Airlines and costs $57
Fastest flight from Chicago to Ontario takes 4h 50m
There are direct flights on this route 4 days a week: Tu, We, Th, and Fr
The distance between Chicago and Ontario is 2754km (1707 miles). There are 7 direct flights from Chicago to Ontario. The time difference between Chicago and Ontario is 2h . Flights from Chicago begin at 9:00 AM. The latest flight from Chicago departs at 5:40 PM.
