Cheap Flights from Chicago to Toronto from US$72

Frequently Asked Questions

• What are the cheapest flights from Chicago to Toronto (CHI-YTO)?

  Based on Trip.com data, Porter Airlines offers one-way fares as low as US$72 on Cheapest nonstop routes (e.g. MDW to YTZ on Sun, Sep 13), while Porter Airlines offers Cheapest nonstop round-trips from US$179 departing on Sun, Sep 20 and returning on Thu, Sep 24.

• Which airlines offer direct flights from Chicago to Toronto?

  At the moment, you can catch a nonstop flight from Chicago to Toronto with the following airlines, including: Air Canada American Airlines Porter Airlines United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Chicago to Toronto?

  It takes about 1 hour 49 minutes to fly from Chicago to Toronto.

• When is the best time to book flights from Chicago to Toronto?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chicago to Toronto is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Chicago to Toronto?

  Based on Trip.com data in the past 4 weeks, there is 146 flight per week flying from Chicago to Toronto. You can check the weekly schedule for popular airlines on this route below: American Airlines: S/M/T/W/T/F/S -- AA3606 (10:15) Porter Airlines: S/M/T/W/T/F/S -- PD6061 (10:15)

• How can I find the best deals on flights from Chicago to Toronto?

  To find best deals on flights from Chicago to Toronto, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Sep 13, with one-way flights priced at just US$72.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Porter Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Toronto travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Chicago (CHI) to Toronto (YTO) the cheapest?

  The cheapest months to fly from Chicago to Toronto is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Chicago to Toronto on?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Chicago to Toronto on August 25, 2026 with Porter Airlines, with prices starting at US$83.

• Which airports can I fly to for Toronto from Chicago?

  You can land at any one of the following hubs in Toronto, with O'Hare International Airport to Toronto Pearson International Airport (ORD-YYZ) is by far the most common option on this route: John C. Munro Hamilton International Airport (YHM) Region of Waterloo International Airport (YKF) Billy Bishop Toronto City Airport (YTZ) Toronto Pearson International Airport (YYZ).

• Is there any time difference between Chicago and Toronto?

  The time difference between Toronto and Chicago is 1h.

• How do I change or cancel my ticket from Chicago to Toronto?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Chicago to Toronto?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Chicago to Toronto is US$188. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Chicago to Toronto?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Chicago to Toronto is US$338. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Chicago to Toronto on Trip.com?

  Enter Chicago and Toronto, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Chicago to Toronto route?

  Porter Airlines and Air Transatare the most popular budget airlines flying from Chicago to Toronto. Check baggage, seat and payment fees before comparing the final price.