Flying from Chicago to Ontario International Airport (ONT): What you need to know
Begin planning your trip by checking out the most convenient place to catch your flight from Chicago to Ontario International Airport (ONT). Explore your options for leaving from O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW), two of the city's main airports.
The average duration of a direct Chicago to Ontario International Airport flight is 4 hours 30 minutes.
Ontario is two hours behind Chicago. Ontario International Airport is located in Ontario, which operates on the UTC-7 timezone.
O'Hare International Airport (ORD) to Ontario International Airport (ONT) is the busiest route, with 6 direct services each week. You can get from ORD to ONT on United Airlines's 7:55pm departure.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Get to the airport on time to catch your flight from Chicago to ONT.
If you're taking off during a major holiday or other peak period, allow extra time. Get there two hours before domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.
Airports in Chicago
O'Hare International Airport (ORD)
You can hop on a direct flight from Chicago to Ontario International Airport (ONT) leaving from O'Hare International Airport (ORD).
United Airlines is a popular carrier that offers direct flights from Chicago to Ontario International Airport departing from ORD.
The majority of passengers choose to fly with United Airlines from ORD to ONT.
ORD is about 40 kilometres from central Chicago. If you're catching a cab, ride-sharing or driving from the centre, it'll take 35 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the trip time to be around 55 minutes.
In search of a comfortable hotel close to O'Hare International Airport? If you're catching an early flight from Chicago to Ontario International Airport, these accommodation options will have you sleeping moments from your check-in counter:
74.85% of flights departing from O'Hare International Airport arrive at their destination on time.
ORD is located at 10000 West O'Hare.
Chicago Midway International Airport (MDW)
Think about kicking off your journey from Chicago Midway International Airport (MDW). You can book a direct Chicago to Ontario International Airport (ONT) flight ticket with departures from this hub.
Southwest Airlines has direct flights from Chicago to ONT departing from MDW. Book your favourite aisle (or window) seat and reach your destination without any detours.
On the MDW to ONT route, Southwest Airlines is the airline most travellers rely on.
With 77.19% of services landing as planned, Southwest Airlines is the most punctual carrier flying between Chicago Midway International Airport and Ontario International Airport.
MDW is around 19 kilometres from central Chicago. It'll take you 20 minutes or so to get to the airport driving from the city centre. Public transport takes roughly 45 minutes.
Flying out early in the morning? Think about checking in to one of these hotels near Chicago Midway International Airport the day before your Chicago to ONT flight:
77.88% of flights out of Chicago Midway International Airport meet their expected arrival time.
The street address for MDW is 5700 South Cicero.
Chicago Rockford International Airport (RFD)
RFD is roughly 137 kilometres from central Chicago. The drive from the city centre to the airport takes about 1 hour 25 minutes. If you're planning to take public transport, expect a journey of around 4 hours 15 minutes.
Make departure day worry-free — stay near Chicago Rockford International Airport and know you'll be at your gate with time to spare. Get comfy at one of these hotels the day before if you're catching an early Chicago to Ontario International Airport flight:
Flights that take off from RFD touch down at their destination within the expected time frame 76.19% of the time.
The address of Chicago Rockford International Airport is 2 Airport Cir.
About Ontario International Airport (ONT)
Have a late flight from Chicago to Ontario International Airport? Don't let it stretch your travel day into tomorrow. Check in to one of these hotels near ONT and hit the pillow fast:
Grab an Ontario International Airport rental car and discover Ontario and beyond with your own set of wheels. Dollar, Fox - Rent A Car and Thrifty are popular providers you can book with here.
To lock in the lowest price, book your ride around three weeks in advance of your Chicago to Ontario International Airport flight.
The address for ONT is 2900 E. Airport Drive.
Getting from Ontario International Airport (ONT) to central Ontario
Ontario International Airport is about 5 kilometres from central Ontario. How long it takes to get to the centre in a cab or car hire depends on the time of day. Do a little research beforehand.
If you're travelling by public transport, expect a journey time of roughly 1 hour 30 minutes.
How to find the cheapest flights from Chicago to Ontario International Airport (ONT)
₹ 8,083 is currently the best price for a one-way ticket from Chicago to Ontario International Airport. Return flights start at ₹ 18,845. These prices can change based on availability.
Booking in advance is often the key to finding a cheap flight from Chicago to ONT. Airlines adjust prices based on demand, so the closer your departure date, the more you'll likely spend on your ticket.
The 'Whole month' search tool shows you the cheapest Chicago to Ontario International Airport tickets across the entire month. It's a great way to find a bargain if your plans aren't set in stone.
You don't need to search every day to find out if prices have dropped when you set up a Price Alert. We'll let you know as soon as there's a better deal on flight tickets from Chicago to ONT.
Filters make it easier to land a deal on your flight from Chicago to Ontario International Airport. Pick the airlines, flight times and number of stops that look good to you. Then sort the results by 'Cheapest' to find the best price quickly.
The best time to fly from Chicago to Ontario International Airport (ONT)
August is the busiest month for flights from Chicago to Ontario International Airport (ONT). Visit Ontario in May for a quieter experience.
The warmest month in Ontario is August, with temperatures ranging between 15ºC and 35ºC. Book your Chicago to ONT flight ticket then if that's your definition of good weather.
Look for cheap tickets from Chicago to Ontario International Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 4ºC and 23ºC.
More about Ontario
When it comes to looking for somewhere to lay your head, you'll find the most popular stays in Ontario right here. Explore these hotels after you've booked your flight from Chicago to Ontario International Airport:
There are so many things to see and do in this city, it can be hard to figure out where to start. Conservation Park, Citizens Business Bank Arena and Scandia are leading attractions which should feature on any well-planned Ontario itinerary.
Explore more of the United States
You've seen Ontario, now it's time to discover other corners of the United States. Travel about 153 kilometres south to San Diego to check off its popular sights. From San Diego Zoo to San Diego Balboa Park and USS Midway Museum, you've got a jam-packed schedule ahead.
If you're eager to discover another great destination in the United States, consider Bakersfield, about 193 kilometres north-west of Ontario. Kern County Museum, Dr. Martin Luther King, Jr. Park and BAPS Shri Swaminarayan Mandir are key highlights.
