What’s the cost of a flight from Ottawa to Chicago O'Hare?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Ottawa and Chicago.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Best airport options between Ottawa and Chicago

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

• Airports in Ottawa: Ottawa - McDonald Cartier is the only operating airport.
• Airports in Chicago: In Chicago, 3 airports are available - Midway, O'Hare, Rockford.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Choose the right flight for your trip from Ottawa to Chicago O'Hare

Jetcost helps you tailor your flight search based on what matters to you — flight length, budget, airline, or agency. Whether you prefer round-trip or one-way, direct or with stopovers, you’ll see options from the best airlines and travel agencies.

Other popular destinations

Flying to United States? Many users also explore: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Looking for a specific airline? Select it directly in the filters to speed up your search. The search filters help you see only the options that match your needs.