How much is a ticket from Ottawa to Chicago O'Hare?

Depending on when you travel and how far in advance you book, fares between Ottawa and Chicago can differ a lot.

The lowest fare seen in the past 15 days was $502.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

What are the airport options between Ottawa and Chicago?

If both departure and destination cities offer multiple airports, comparing them can help you save time and money.

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

Some airports have different terminals for low-cost and traditional airlines — knowing in advance can save time. You can filter results to see only the airports that suit you.

Smart ways to search flights from Ottawa to Chicago O'Hare

Use Jetcost to view tailored results based on what you care about — time, duration, number of stops, or even your preferred booking agency. Results include carriers like American, Delta, United, and more.

Other popular destinations

Flying to United States? Other travelers also searched: Atlanta, Los Angeles, Miami, New York City, Orlando.

Prefer non-stop flights? Just activate the filter to skip unnecessary layovers. If your dates are flexible, you can also explore different departure and return combinations to find the best fit.