CAD/CA
Find cheap flights to Illinois in 2025/2026 from C$174 This is the cheapest return flight found to Illinois from Canada on FlightsFinder on December 11th 2025 at 03:51. This offer may no longer be available. Click the offer to check live prices & dates of travel.
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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, February is on average the cheapest time to book flights to Illinois.
You can get flights from C$174 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$332.
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$157 - C$191.
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.
-18.3 °C
Sun, 14 Dec 2025
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 Montreal (YUL), Canada to Chicago, United States (MDW): C$192
Depart: 20 Feb 2026 · Return: 27 Feb 2026 Price found 14 Dec 2025, 11:46
From Calgary (YYC), Canada to Chicago, United States (ORD): C$202
Depart: 10 Apr 2026 · Return: 12 May 2026 Price found 11 Dec 2025, 05:06
From Kelowna (YLW), Canada to Chicago, United States (ORD): C$241
Depart: 02 Feb 2026 · Return: 06 Feb 2026 Price found 14 Dec 2025, 05:33
From Vancouver (YVR), Canada to Chicago, United States (MDW): C$252
Depart: 14 Jan 2026 · Return: 18 Jan 2026 Price found 14 Dec 2025, 09:47
From Halifax (YHZ), Canada to Chicago, United States (MDW): C$259
Depart: 21 Oct 2026 · Return: 17 Nov 2026 Price found 12 Dec 2025, 07:02
From Edmonton (YEG), Canada to Chicago, United States (ORD): C$300
Depart: 20 Apr 2026 · Return: 27 Apr 2026 Price found 13 Dec 2025, 19:53
From Ottawa (YOW), Canada to Chicago, United States (ORD): C$307
Depart: 07 Feb 2026 · Return: 09 Feb 2026 Price found 13 Dec 2025, 15:12
From Saskatoon (YXE), Canada to Chicago, United States (ORD): C$311
Depart: 16 Mar 2026 · Return: 23 Mar 2026 Price found 11 Dec 2025, 16:40
From Regina (YQR), Canada to Chicago, United States (ORD): C$315
Depart: 26 May 2026 · Return: 30 May 2026 Price found 13 Dec 2025, 08:46
From Winnipeg (YWG), Canada to Chicago, United States (ORD): C$318
Depart: 18 Feb 2026 · Return: 25 Feb 2026 Price found 12 Dec 2025, 00:24
From Victoria (YYJ), Canada to Chicago, United States (ORD): C$348
Depart: 12 May 2026 · Return: 15 May 2026 Price found 12 Dec 2025, 15:44
From Quebec (YQB), Canada to Chicago, United States (ORD): C$529
Depart: 17 Jan 2026 · Return: 18 Jan 2026 Price found 12 Dec 2025, 22:32
From Thunder Bay (YQT), Canada to Chicago, United States (ORD): C$536
Depart: 19 Jan 2026 · Return: 23 Jan 2026 Price found 14 Dec 2025, 15:41
From St John's (YYT), Canada to Chicago, United States (ORD): C$628
Depart: 24 Jan 2026 · Return: 31 Jan 2026 Price found 10 Dec 2025, 17:26
From Moncton (YQM), Canada to Chicago, United States (MDW): C$673
Depart: 24 Apr 2026 · Return: 26 Apr 2026 Price found 13 Dec 2025, 20:50
From Yellowknife (YZF), Canada to Chicago, United States (ORD): C$2,361
Depart: 19 Dec 2025 · Return: 26 Dec 2025 Price found 12 Dec 2025, 21:38
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