Direct (non-stop) flights from Ontario (ONT) to Chicago (ORD)
Find comprehensive flight information, schedules, and booking details for direct flights from Ontario (ONT) to Chicago (ORD). This popular route is operated by 1 airline, offering multiple daily departures.• Flight Duration: 3h 51m - 4h 03m (average flight time)• Distance: 1706 miles (2745 km) (air miles between airports)• Daily Flights: 1 flight (scheduled departures per day)
Ontario (ONT)
Chicago (ORD)
FLIGHT TIME
3h 51m - 4h 03m
FLIGHT DISTANCE
1706 miles (2745 km)
3h 57m - 3h 57m
07:00
07:00
1706 miles (2745 km)
October
1 (Show)
7
Flight Schedule
December 2025
Airlines with direct flights from Ontario (ONT) to Chicago (ORD)
Route Insights
Pricing patterns: October typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 7:00, offering more flight options and potentially better connections.
Ontario (ONT) - Chicago (ORD) flight price statistics
$451
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$506
May$354
Jun$445
Jul$376
Aug$789
Sep$317
Oct$390
Nov$430
DecRelated Information
Airports: ONT • ORD Airport
Airlines operating this route: United Airlines (UA)
Frequently Asked Questions
How many flights operate from ONT to ORD?
There is 1 direct flight operating from ONT to ORD. Approximately 1 flight daily.
Which airlines operate flights from ONT to ORD?
1 airline operates on this route: United Airlines.
How long is the flight from ONT to ORD?
The flight duration from ONT to ORD is approximately 3h 51m - 4h 03m.
What is the distance from ONT to ORD?
The distance from ONT to ORD is 1706 miles (2745 km).
What is the flight time range for this route?
Flight times on this route range from 3h 57m - 3h 57m.
What are the earliest and latest flight departure times?
The earliest flight departs at 07:00 and the latest flight departs at 07:00.
What is the cheapest month to fly from ONT to ORD?
October is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 7 flights operate per week from ONT to ORD.
What types of aircraft operate on this route?
This route is served by Boeing 737-800 Passenger.
What is the average flight price from ONT to ORD?
The average flight price for a round-trip ticket from ONT to ORD is approximately $451 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from ONT to ORD for the lowest prices?
October is typically the cheapest month to fly from ONT to ORD. Booking in advance and avoiding peak travel seasons can help you find better deals.
How far is ORD from ONT?
The distance from ONT to ORD is 1706 miles (2745 km). This is a long-haul flight route.
How long does it take to fly from ONT to ORD?
The flight time from ONT to ORD is approximately 3h 51m - 4h 03m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.