How to estimate the price of a flight from Ottawa to Chicago O'Hare?

It depends. Prices for flights from Ottawa to Chicago fluctuate based on several factors.

Select your dates to check current offers.

Checking fares across several nearby dates can help you see which days offer the best deals. Jetcost lets you track price changes and grab the best opportunities.

Planning flights between Ottawa and Chicago? Don’t forget the airport options

Especially when flying to medium or large cities, it's worth checking all possible airport combinations before booking.

• Airports in Ottawa: Ottawa - McDonald Cartier is the only airport in this city.
• Airports in Chicago: Chicago features 3 airports - Midway, O'Hare, Rockford.

Check for differences in transport costs to and from each airport — they affect your total spend. Choosing the right airport can make a real difference in price and timing.

Match your flight search to your preferences: Ottawa – Chicago O'Hare

Jetcost makes it easy to find the right flight. Set filters for flight time, price, number of stops, and preferred airline. You’ll see offers from Expedia, Ryanair, British Airways, Easyjet, and more.

Other popular destinations

Thinking about traveling to United States? Other users also viewed: Atlanta, Los Angeles, Miami, New York City, Orlando.

Don’t forget to check change or cancellation policies, especially if your plans aren’t final. For a more targeted search, you can also set price limits directly in the filters.