Skip to content
Flight Sniper

Toronto to Chicago flights

The cheapest round trip we found from Toronto to Chicago is $252 (Dec 7 – 16, Nonstop), 13% below the usual $288.

YTO to CHI · Round trip · Economy · Prices per person in USD · Price found (2 days ago)

Cheapest found

$252 13% less
Dec 7 – 16 · Nonstop · Usually $288
Book this fare
Typical price — worth watching 13% below the usual $288, and prices have been falling this week. Based on 46 days of prices.
Not ready to book? We'll email you when Toronto → Chicago drops below $235.
Dec – Jan · 8–14 nights · Change

Cheapest round trip by month

Lowest fare found per departure month
Cheapest month Below usual Usual price $288
Cheapest round trip from Toronto to Chicago by departure month
MonthCheapest round trip
November 2026$273
December 2026$252 (cheapest month)
January 2027No fares found yet
February 2027$303
March 2027No fares found yet
April 2027No fares found yet
May 2027$407

Cheapest dates in the next 4 months

Round trip, per person
  • Dec 7 – 16 9 nights · leave Mon
    $252 −13% vs usual
    Porter Airlines Canada Nonstop · 2h 05m
    Book
  • Dec 8 – 16 8 nights · leave Tue
    $252 −13% vs usual
    Porter Airlines Canada Nonstop · 2h 05m
    Book
  • Feb 1 – 4, 2027 3 nights · leave Mon
    $303 +5% vs usual
    Porter Airlines Canada Nonstop · 1h 55m
    Book

Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert

Things to do in Chicago

One Go City pass for Shedd Aquarium, Skydeck Chicago, 360 CHICAGO and more

More things to do in Chicago →

Go City prices checked Oct 23, 2026; the final price is on Go City. Partner links: we may earn a commission if you book, at no extra cost to you.

Plan the rest of your trip

Chicago · Dec 7 – 16

Airport transfer · Kiwitaxi

Partner links: we may earn a commission if you book, at no extra cost to you.

Good to know

Most expensive month May Cheapest round trip that month is $407, vs $252 in the cheapest month.

Share this deal

X WhatsApp Facebook Reddit

More from Toronto

All flights from Toronto

Flights to Chicago from other cities

All flights to Chicago Flying the other way? Chicago to Toronto from $272

Toronto to Chicago: questions

How much does a flight from Toronto to Chicago cost?

The cheapest round trip we have found right now is $252, leaving December 7 and returning December 16. The usual price on this route is about $288, so this fare is 13% less. Prices are per person, economy, in USD.

What is the cheapest month to fly from Toronto to Chicago?

December 2026, with round trips from $252. The most expensive month in our data is May (from $407). Based on the 4 months ahead we have prices for.

Which airports do Toronto to Chicago flights use?

Toronto airports include Pearson International (YYZ), Hamilton (YHM) and Toronto City Centre (YTZ). Chicago airports include O'Hare International (ORD), Chicago Midway International (MDW) and Chicago Rockford International (RFD). The prices on this page cover every airport in both cities (YTO and CHI are the city codes).

About this route

We track round-trip economy fares from Toronto (Canada) to Chicago (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $252, departing December 7 and returning December 16 on a nonstop flight, about 13% below the usual $288. The cheapest month to fly in our data is December, from $252. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.

We use cookies for analytics and to show partner offers such as tours. Privacy policy

Cookie settings

  • NecessaryKeep you signed in and protect forms. Always on.