Travelling from Ontario International Airport (ONT) to O'Hare International Airport (ORD): what you need to know
If you're jetting off during a major holiday or other peak period, give yourself more time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Check-in and security lines will be longer.
If you'd like a stopover for your flight from Ontario International Airport to O'Hare International Airport, just deselect 'Direct flights only' and explore your options. These are the most popular stopovers between ONT and ORD:
Denver International Airport
Salt Lake City International Airport
Harry Reid Airport (formerly McCarran Airport)
How to find the cheapest flights from Ontario International Airport (ONT) to O'Hare International Airport (ORD)
The lowest price we've found for a one-way ticket from Ontario International Airport to O'Hare International Airport is $91. For a return flight on this route, the best price is $182. Depending on the availability and when you book, these fares may change.
It's usually smart to book ahead of time if you're hoping to get flight tickets from ONT to ORD. That's because airlines change prices based on demand, which tends to rise closer to the date of departure.
Getting flight tickets from Ontario International Airport to O'Hare International Airport is more likely if you can be flexible with your trip dates. Use the 'Whole month' function to see the lowest prices across the month and bag a great deal.
Finding a cheap ticket from ONT to ORD is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as the price has dropped.
Use filters to tailor your flights from Ontario International Airport to O'Hare International Airport. Enter your ideal departure and arrival times, number of stops and airlines. Alternatively, sort your results by 'Cheapest' to see the best deals.
Handy information about Ontario International Airport (ONT)
Travelling from central Ontario to Ontario International Airport takes approximately 1 hour and 28 minutes by public transport. If you ride-share, drive or grab a cab, you'll cover the 6 kilometres in 10 minutes or so, depending on traffic.
After a convenient hotel close to ONT? If you're boarding an early flight from Ontario International Airport to O'Hare International Airport, these accommodation options will put you moments from your departure lounge:
Arriving at O'Hare International Airport (ORD)
The last thing you want is a long journey to your hotel if you're getting in late on a flight from Ontario International Airport to O'Hare International Airport. Check in to one of these accommodation options near ORD instead:
Getting from O'Hare International Airport (ORD) to central Chicago
O'Hare International Airport is approximately 40 kilometres from the centre of Chicago. With a cab or in your own car rental, the drive is about 35 minutes.
It typically takes 54 minutes to get there using public transport.
When to fly to O'Hare International Airport (ORD)
The quietest month for a flight from Ontario International Airport to O'Hare International Airport is February, while August is the busiest. Pick the best time to go to Chicago based on whether you prefer a bustling atmosphere or a more laid-back vibe.
Book your flight from Ontario International Airport to O'Hare International Airport for July if you want to visit Chicago during its warmest month. Expect temperatures of between 15 ºC and 29 ºC.
January has average temperatures of between -12 ºC and 3 ºC. Search for flight tickets from ONT to ORD around that time if you want to travel when it's cooler.
More about Chicago
Start your Chicago trip right by finding an amazing stay. As soon as you've booked your flight from ONT to ORD, explore our selection of hotel options including:
All great holidays should include some sightseeing. Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier are attractions you won't want to skip in Chicago.
Complete your Chicago trip with hotels and a car rental
Comparing flights is not our only party trick. Once you've secured your cheap ticket to O'Hare International Airport, explore our car rental offers that'll give you the flexibility to travel around at your own pace. Then, take a look at our exclusive rates for hotels to find the ideal Chicago stay.