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Find cheap flights to Illinois in 2026/2027 from C$248 This is the cheapest return flight found to Illinois from Canada on FlightsFinder on September 9th 2026 at 19:38. This offer may no longer be available. Click the offer to check live prices & dates of travel.
Our Flight Finder compares the cheapest flights to Illinois from the most established flight comparison sites.
Fly to Illinois and visit sites like Millennium Park, Willis Tower, Navy Pier & The Art Institute of Chicago.
1. Enter your search requirements for Illinois
2. Compare the best Illinois deals from top comparison engines
3. Book your Illinois flight at the cheapest price
These economy flights were found on FlightsFinder from Canada to Illinois in the last few days. Prices subject to availability.
These economy flights were found on FlightsFinder from Canada to Illinois in the last few days. Prices subject to availability.
According to our data, November is on average the cheapest time to book flights to Illinois.
You can get flights from C$248 return.
According to our data, August is on average the most expensive time to book flights to Illinois.
A return flight could set you back more than C$469.
Illinois, known as the "Land of Lincoln," is a vibrant state in the heart of the Midwest, offering a diverse range of experiences for visitors. From the iconic skyline of Chicago with its towering skyscrapers and cultural attractions, to the charming small towns scattered throughout the state, Illinois blends urban excitement with rural charm. Explore the picturesque vineyards of the Shawnee Hills Wine Trail, wander through the historic neighborhoods of Springfield, or take in a show at one of the many theaters in the state. With its rich history, dynamic cities, and scenic landscapes, Illinois promises a memorable adventure for travelers of all interests.
A good price for a flight to Chicago is C$223 - C$273.
Some popular airports near the city of Illinois include O'Hare International Airport (ORD), Midway International Airport (MDW), and Chicago Rockford International Airport (RFD).
The flight to Illinois (CHI) is roughly 1 hour 28 minutes and 435 miles (701 kilometres) from Toronto, Canada - Airport Lester B. Pearson International (YYZ).
The best way is to compare flights to Illinois from leading comparison sites using our search engine dashboard.
Yes, there are direct flights to Illinois.
Here is the average weather forecast in Illinois by month:
• Jan: -0°C
• Feb: 2°C
• Mar: 8°C
• Apr: 15°C
• May: 21°C
• Jun: 27°C
• Jul: 29°C
• Aug: 28°C
• Sep: 24°C
• Oct: 17°C
• Nov: 9°C
• Dec: 2°C
The main airport in Illinois, O'Hare International Airport, is approximately 17 miles from downtown Chicago.
Typically, flights are cheapest to Illinois 2 months before departure.
Studies show flights to Illinois are typically cheaper on Tuesdays and Wednesdays.
18.9 °C
Sat, 12 Sep 2026
Average Temperature
-0°C
Jan
2°C
Feb
8°C
Mar
15°C
Apr
21°C
May
27°C
Jun
29°C
Jul
28°C
Aug
24°C
Sep
17°C
Oct
9°C
Nov
2°C
Dec
Select a City Below to see the Cheapest Flights to Illinois:
Chicago, Illinois | Peoria, Illinois | Moline, Illinois | Springfield, Illinois | Marion, Illinois | Bloomington, Illinois
Toronto, Canada - Airport Lester B. Pearson International (YYZ) to Illinois (CHI)
Distance:
435 miles (701 kilometres)
Average flight time (direct 1 hour 28 minutes)
Montreal, Canada - International Airport Pierre E.Trudeau (YUL) to Illinois (CHI)
Distance:
746 miles (1,201 kilometres)
Average flight time (direct 2 hours 9 minutes)
Vancouver, Canada - British Columbia, Vancouver International Airport (YVR) to Illinois (CHI)
Distance:
1,759 miles (2,831 kilometres)
Average flight time (direct 4 hours 24 minutes)
Calgary, Canada - Calgary International Airport (YYC) to Illinois (CHI)
Distance:
1,382 miles (2,224 kilometres)
Average flight time (direct 3 hours 34 minutes)
Edmonton, Canada - Edmonton International Airport (YEG) to Illinois (CHI)
Distance:
1,417 miles (2,280 kilometres)
Average flight time (direct 3 hours 38 minutes)
Halifax, Canada - Metropolitan Area Airport (YHZ) to Illinois (CHI)
Distance:
1,236 miles (1,989 kilometres)
Average flight time (direct 3 hours 14 minutes)
Ottawa, Canada - Macdonald-Cartier International Airport (YOW) to Illinois (CHI)
Distance:
653 miles (1,051 kilometres)
Average flight time (direct 1 hour 57 minutes)
Quebec, Canada - Québec City Jean Lesage International Airport (YQB) to Illinois (CHI)
Distance:
879 miles (1,414 kilometres)
Average flight time (direct 2 hours 27 minutes)
Yellowknife, Canada - Yellowknife Airport (YZF) to Illinois (CHI)
Distance:
1,781 miles (2,866 kilometres)
Average flight time (direct 4 hours 27 minutes)
Winnipeg, Canada - J.A. Richardson International Airport (YWG) to Illinois (CHI)
Distance:
707 miles (1,138 kilometres)
Average flight time (direct 2 hours 4 minutes)
St John's, Canada - St Johns International Airport (YYT) to Illinois (CHI)
Distance:
1,751 miles (2,818 kilometres)
Average flight time (direct 4 hours 23 minutes)
Kelowna, Canada - Kelowna International Airport (YLW) to Illinois (CHI)
Distance:
1,595 miles (2,566 kilometres)
Average flight time (direct 4 hours 2 minutes)
Sept-Iles, Canada - Sept-Iles Airport (YZV) to Illinois (CHI)
Distance:
1,177 miles (1,894 kilometres)
Average flight time (direct 3 hours 6 minutes)
Moncton, Canada - Greater Moncton International Airport (YQM) to Illinois (CHI)
Distance:
1,184 miles (1,905 kilometres)
Average flight time (direct 3 hours 7 minutes)
Thunder Bay, Canada - Thunder Bay International Airport (YQT) to Illinois (CHI)
Distance:
447 miles (720 kilometres)
Average flight time (direct 1 hour 29 minutes)
Wabush, Canada - Wabush Airport (YWK) to Illinois (CHI)
Distance:
1,233 miles (1,984 kilometres)
Average flight time (direct 3 hours 14 minutes)
Victoria Airport, Canada - Victoria International Airport (YYJ) to Illinois (CHI)
Distance:
1,769 miles (2,847 kilometres)
Average flight time (direct 4 hours 25 minutes)
Fort McMurray, Canada - Fort McMurray Airport (YMM) to Illinois (CHI)
Distance:
1,446 miles (2,328 kilometres)
Average flight time (direct 3 hours 42 minutes)
Comox, Canada - Comox Airport (YQQ) to Illinois (CHI)
Distance:
1,838 miles (2,957 kilometres)
Average flight time (direct 4 hours 35 minutes)
Regina, Canada - Regina International Airport (YQR) to Illinois (CHI)
Distance:
988 miles (1,590 kilometres)
Average flight time (direct 2 hours 41 minutes)
Timmins, Canada - Victor M. Power Airport (YTS) to Illinois (CHI)
Distance:
555 miles (893 kilometres)
Average flight time (direct 1 hour 43 minutes)
Saskatoon, Canada - J.G. Diefenbaker Intl Airport (YXE) to Illinois (CHI)
Distance:
1,125 miles (1,810 kilometres)
Average flight time (direct 2 hours 59 minutes)
From Victoria (YYJ), Canada to Chicago, United States (ORD): C$318
Depart: 15 Oct 2026 · Return: 19 Oct 2026 Price found 03 Sep 2026, 21:26
From Calgary (YYC), Canada to Chicago, United States (ORD): C$319
Depart: 28 Oct 2026 · Return: 30 Oct 2026 Price found 10 Sep 2026, 21:25
From Kelowna (YLW), Canada to Chicago, United States (ORD): C$329
Depart: 15 Oct 2026 · Return: 19 Oct 2026 Price found 11 Sep 2026, 14:48
From Vancouver (YVR), Canada to Chicago, United States (ORD): C$335
Depart: 30 Apr 2027 · Return: 07 May 2027 Price found 31 Aug 2026, 18:48
From Montreal (YUL), Canada to Chicago, United States (ORD): C$336
Depart: 11 Nov 2026 · Return: 13 Nov 2026 Price found 10 Sep 2026, 00:26
From Regina (YQR), Canada to Chicago, United States (ORD): C$351
Depart: 19 Oct 2026 · Return: 22 Oct 2026 Price found 06 Sep 2026, 19:40
From Edmonton (YEG), Canada to Chicago, United States (ORD): C$369
Depart: 11 Oct 2026 · Return: 17 Oct 2026 Price found 09 Sep 2026, 23:41
From Winnipeg (YWG), Canada to Chicago, United States (ORD): C$377
Depart: 27 Sep 2026 · Return: 02 Oct 2026 Price found 08 Sep 2026, 15:21
From Ottawa (YOW), Canada to Chicago, United States (MDW): C$446
Depart: 01 Oct 2026 · Return: 06 Oct 2026 Price found 03 Sep 2026, 22:35
From Saskatoon (YXE), Canada to Chicago, United States (MDW): C$451
Depart: 27 Sep 2026 · Return: 15 Oct 2026 Price found 04 Sep 2026, 01:34
From Thunder Bay (YQT), Canada to Chicago, United States (ORD): C$465
Depart: 10 Dec 2026 · Return: 13 Dec 2026 Price found 09 Sep 2026, 03:28
From Halifax (YHZ), Canada to Chicago, United States (MDW): C$484
Depart: 01 Oct 2026 · Return: 05 Oct 2026 Price found 09 Sep 2026, 18:39
From Quebec (YQB), Canada to Chicago, United States (ORD): C$486
Depart: 27 May 2027 · Return: 03 Jun 2027 Price found 08 Sep 2026, 15:56
From St John's (YYT), Canada to Chicago, United States (ORD): C$540
Depart: 03 Nov 2026 · Return: 26 Nov 2026 Price found 11 Sep 2026, 06:10
From Moncton (YQM), Canada to Chicago, United States (MDW): C$626
Depart: 19 Oct 2026 · Return: 21 Oct 2026 Price found 10 Sep 2026, 19:25
From Fort Mcmurray (YMM), Canada to Chicago, United States (ORD): C$638
Depart: 08 Oct 2026 · Return: 11 Oct 2026 Price found 04 Sep 2026, 15:35
From Timmins (YTS), Canada to Chicago, United States (MDW): C$656
Depart: 27 Sep 2026 · Return: 01 Oct 2026 Price found 11 Sep 2026, 15:52
From Comox (YQQ), Canada to Chicago, United States (ORD): C$857
Depart: 11 Dec 2026 · Return: 29 Dec 2026 Price found 02 Sep 2026, 05:52
From Sept-Iles (YZV), Canada to Chicago, United States (ORD): C$1,683
Depart: 13 Nov 2026 · Return: 17 Nov 2026 Price found 11 Sep 2026, 02:18
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