Route · YYZ → ORD
Flights from Toronto to Chicago
Toronto Pearson to Chicago O'Hare is one of the busiest transborder corridors in North America, covering roughly 700 kilometres with a typical block time of just under 80 minutes — short enough that many travellers treat it as a quasi-commuter hop. Air Canada and United dominate frequencies with narrowbody equipment such as the Airbus A320 family and Boeing 737, while American adds competitive capacity and WestJet provides a lower-fare alternative; Etihad and Iberia appear on this pairing primarily as codeshare partners rather than metal operators. A practical note worth remembering: US Customs and Border Protection is cleared at Pearson before departure, so arriving passengers land into O'Hare's domestic Terminal 1 or 3 rather than the international facility, which meaningfully speeds onward connections. Fare-wise, midweek departures tend to undercut Friday and Sunday peaks, and shoulder months like March and October often yield the most competitive economy pricing on what is otherwise a route where business demand keeps base fares firm year-round.
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Cheapest dates to fly
Live prices · powered by AviasalesThe calendar below pulls live fares from our search partner for Toronto (YYZ) → Chicago (ORD). Use the year view… to spot the cheapest week to fly, the day-of-week patterns most travellers miss, and any shoulder-season dips worth shifting your trip around. Prices refresh every few hours, so what you see is what your booking page should look like a moment later — click any date to jump straight to the fare on Aviasales.
Airlines on this route
6 carriersThe 6 carriers we currently track on the Toronto–Chicago route, from full-service flag carriers to low-cost competitors. Tap any airline for its full profile, baggage… rules, fleet context, and a live fare search pre-filtered to that carrier — useful if you're loyal to a frequent-flyer programme, want to compare onboard product on the same dates, or are weighing a cheaper one-stop against a pricier nonstop.
Flights from Toronto to Chicago
Live schedule · powered by AviasalesBelow is the published weekly schedule for nonstop and one-stop services from Toronto to Chicago — the actual flight numbers, departure and arrival times your… booking page will pull from. Use it to plan around departure preferences (early morning vs late evening), see which carriers fly on which weekdays, or pick a connection that lets you sleep in your own bed before a long-haul leg. Click any row to load it directly in the search.
Airport guides
Quick links into the airport profiles at both ends of the route. Each guide covers terminal layout, the airlines that base hubs at YYZ and… ORD, the other routes those airports serve, and the ground-transit options most travellers wish they'd read about before landing — the practical context you only really need to know once you've booked, but want to skim before you do.