Flights from Toronto to Chicago

Flight time is typically around 1.4 hours in the air.

The great-circle distance is roughly 700 km (435 miles).

Yes — Air Canada, American Airlines, United Airlines and others fly this pair nonstop in the reference schedule data. Schedules change seasonally, so the live search confirms today's options.

Chicago O'Hare International Airport (ORD), Chicago Midway International Airport (MDW). Searching by city covers all of them at once.

Compare midweek dates, check nearby departure airports, and book international trips a few months ahead. The search above shows current fares from our booking partners.

short-haul fares like this move fast in both directions — booking one to three weeks ahead is the usual sweet spot, and same-day walk-up fares are the worst case. These are booking windows, not rules — fares change constantly, so compare dates in the search above and book when the total, bags included, is right.

The cheapest month depends on the demand calendar at Chicago — school holidays, the Christmas–New Year peak and major local events price highest, and shoulder-season months between them price lowest. Rather than trusting a generic answer, open the fare calendar on the search above: it shows real prices for every date this month and next, so the cheap windows are visible immediately.

Midweek departures — Tuesday to Thursday — commonly price below Friday–Sunday on routes like Toronto → Chicago, because leisure demand concentrates at the weekend. The pattern is not guaranteed on every date, so compare a midweek date against your first-choice day in the search above before locking in.

Blue Line 24h. The Kennedy at peak hour argues for the train. FlyraGo’s Chicago airport transfer guide compares fixed-price cars, taxis and public transport for this airport.

It depends on your nationality, not on the route — two travellers on the same Toronto → Chicago flight can face completely different entry rules. Check the destination country’s official immigration site or your foreign-ministry travel advice for your passport, and do it before booking: some destinations require a visa obtained in advance, others issue visas or waivers on arrival.

Whatever the fare you buy includes — baggage is set by the carrier and fare class, not the route, and the carriers on this pair (Air Canada, American Airlines, United Airlines, WestJet) price bags very differently. Low-cost fares usually include cabin bags only and charge per checked bag; full-service fares typically include at least one. Compare totals with your bags added, because a dearer fare with bags included is often cheaper overall.

Chicago has a left-luggage network — the L platforms are stair-heavy — storage at Union Station enables the architecture cruise between trains FlyraGo’s Chicago luggage storage page lists the network, with flat daily rates you can book before you fly.