Direct (nonstop) flights from Chicago to Toronto
3 airlines fly nonstop from Chicago O Hare International (ORD) to Pearson International (YYZ). It's 437 miles (703 km), about 1h 45m in the air. Operated by American Airlines, Air Canada, United Airlines.
American Airlines
Air Canada
United Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
AA
American Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Chicago to Toronto with one stop · direct emits 81 kg CO₂ per passenger
Looking for the return flight?
YYZ → ORD: Flights from Toronto to ChicagoOther direct flights from Chicago
Direct flights from Toronto (YYZ)
Frequently Asked Questions
How long is the direct flight from Chicago to Toronto?
A nonstop flight from Chicago (ORD) to Toronto (YYZ) takes approximately 1 hours and 45 minutes. The distance is 437 miles (703 km).
Which airlines fly nonstop from Chicago to Toronto?
3 airlines: American Airlines, Air Canada, United Airlines.
Is there a nonstop flight from Chicago to Toronto?
Yes. 3 airlines: American Airlines, Air Canada, United Airlines.
How far is Chicago from Toronto?
The flight distance from Chicago to Toronto is 437 miles (703 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.
What is the time difference between Chicago and Toronto?
Toronto is 1 hour ahead of Chicago. (America/Chicago vs America/Toronto.)
What type of aircraft flies from Chicago to Toronto?
At 1h 45m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
Do I need a visa to travel from USA to Canada?
Depends on your passport. Check with the Canada embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Chicago to Toronto?
Roughly 81 kg CO2 per passenger one-way. That's about the same as driving 405 km.
Is the return flight from Toronto to Chicago also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Chicago to Toronto?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Chicago O Hare International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.