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Cheap Flights from Toronto to Chicago

Popular airlines from Toronto to Chicago

Choose from 1 airlines flying from Toronto to Chicago, including Porter Airlines, and . Porter Airlines currently offers the cheapest ticket on this route.
Airlines are determined based on actual purchased flight tickets from Toronto to Chicago according to previous 12 months data from Trip.com.

Explore the cheapest flights from Toronto to Chicago in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at S$ 120, and round-trip direct tickets start at S$ 186.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from Toronto to Chicago

The distance between Toronto and Chicago is approximately 701.97km. It takes around 2 hours on average to fly from Toronto to Chicago. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight priceS$ 120
Cheapest return ticket priceS$ 186
Off-season for travelSeptember
Peak season for travelJuly
Flight distance701.97km
Average flight time2 hours
Popular airlinePorter Airlines
Flight statistics for the Toronto–Chicago route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Toronto to Chicago.

What is the cheapest month for one-way flights from Toronto to Chicago?

Average price of one-way flights from Toronto to Chicago purchased by Trip.com users by month over the past 12 months

According to Trip.com's data, the cheapest month for flights from Toronto to Chicago is Jun, with an average price of S$ 209. Conversely, the most expensive month is typically Oct, with an average price of up to S$ 297.

S$ 297
S$ 253
S$ 209
S$ 165
    Cheapest
  • S$ 265
    Jan
  • S$ 234
    Feb
  • S$ 226
    Mar
  • S$ 228
    Apr
  • S$ 211
    May
  • S$ 209
    Jun
  • S$ 218
    Jul
  • S$ 260
    Aug
  • S$ 232
    Sep
  • S$ 297
    Oct
  • S$ 276
    Nov
  • S$ 264
    Dec

What is the cheapest month for return flights from Toronto to Chicago?

Average price of return flights from Toronto to Chicago purchased by Trip.com users by month over the past 12 months

According to Trip.com's data, the cheapest month for flights from Toronto to Chicago is Sep, with an average price of S$ 287. Conversely, the most expensive month is typically Oct, with an average price of up to S$ 404.

S$ 404
S$ 346
S$ 287
S$ 229
    Cheapest
  • S$ 386
    Jan
  • S$ 378
    Feb
  • S$ 322
    Mar
  • S$ 300
    Apr
  • S$ 319
    May
  • S$ 307
    Jun
  • S$ 310
    Jul
  • S$ 331
    Aug
  • S$ 287
    Sep
  • S$ 404
    Oct
  • S$ 370
    Nov
  • S$ 368
    Dec

Which day of the week has the lowest fares for flights from Toronto to Chicago?

The average weekly fares for flights from Toronto to Chicago on different dates. (Based on Trip.com’s data from the past 12 months)

Based on Trip.com’s data from the past 12 months, Tue offers the lowest fares for flights from Toronto to Chicago, while Sat typically has the highest fares.

S$ 298
S$ 278
S$ 258
S$ 239
    Cheapest
  • S$ 265
    Mon
  • S$ 258
    Tue
  • S$ 284
    Wed
  • S$ 278
    Thu
  • S$ 293
    Fri
  • S$ 297
    Sat
  • S$ 275
    Sun

Frequently Asked Questions

  • Which airlines offer the cheapest flights from Toronto (YTO) to Chicago (CHI)?

    Based on Trip.com data, Porter Airlines offers one-way fares as low as S$ 120 on Cheapest nonstop routes (e.g. YTZ to MDW on Mon, Feb 9), while Porter Airlines offers Cheapest nonstop round-trips from S$ 186 departing on Tue, Feb 17 and returning on Sun, Feb 22.
  • At the moment, you can catch a direct flight from Toronto to Chicago with the following airlines, including: Porter Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 2 hours to fly from Toronto (YTO) to Chicago (CHI).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Toronto to Chicago 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.
  • Based on Trip.com data in the past 4 weeks, there is 162 flight per week flying from Toronto to Chicago. You can check the weekly schedule for popular airlines on this route below: Porter Airlines: S/M/T/W/T/F/S -- PD6005 (06:30)
  • To find best deals on flights from Toronto to Chicago, 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 Mon, Feb 9, with one-way flights priced at just S$ 120.
    · 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 Chicago travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Toronto to Chicago is September, when demand for travel is lower.
  • After crunching the numbers on our January flight calendar, it's currently cheapest to fly from Toronto to Chicago on January 19, 2026 with Porter Airlines, with prices starting at S$ 150.
  • You can land at any one of the following hubs in Chicago, with Billy Bishop Toronto City Airport to Midway International Airport (YTZ-MDW) is by far the most common option on this route: O'Hare International Airport (ORD) Midway International Airport (MDW) Chicago Rockford International Airport (RFD).
  • The time difference between Chicago and Toronto is 1h.
  • Tickets can only be changed or cancelled 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.