Cheap flights to Illinois from C$ 155
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
Flights to Illinois in 2024
Find the latest flights to Illinois in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 508,915 searches and data was last updated on 25 April 2024.
Find flights to Illinois
Browse one-way and round-trip flights deals to Illinois on Cheapflights. Flight deals are based on user searches and were last updated on 25 April 2024
Explore Illinois
Cheap flights to Illinois in April & May 2024
Search the best deals to popular Illinois cities recently found by Cheapflights users
The below flights offer some of the lowest fares to Illinois in April and May 2024. Check back soon for alternative prices as deals update often.
Cheap flights to Chicago, IL
Cheap flights to Peoria, IL
Cheap flights to Moline, IL
Illinois 2024 flight deals
Explore flight deals for Illinois in 2024, offering the best prices and options to suit your preferences. In the last 7 days, Cheapflights users made a total of 508,915 searches and data were last updated on 25 April 2024.
The lowest fares on flights travelling to Illinois in April and May 2024. Check back soon for alternative fares.
Flights to Illinois departing soon
Discover available last-minute flight options to Illinois, providing immediate availability and potentially lower prices. In the last 7 days, Cheapflights users made a total of 508,915 searches and data was last updated on 25 April 2024.
Browse some of the best deals on flights leaving last minute to Illinois. Prices refresh often so be sure to come back soon for more deals.
One-way flights to Illinois
Explore one-way flight options to Illinois for greater flexibility in your travel plans. Find up-to-date pricing and availability for one-way flights. In the last 7 days, Cheapflights users made a total of 508,915 searches and data was last updated on 25 April 2024.
Choose from one of these one-way flights departing to Illinois. Those seeking round-trip flights to Illinois should utilize the search form at the top of the page.
Direct flights to Illinois
Average price of flights to Illinois by month
Plan your trip to Illinois by taking into account the cheapest months to travel. The average price of a one-way flight to Illinois is currently C$ 276 while a round-trip flight costs C$ 349. Price data was last updated on 21 April 2024.
Currently, January is the cheapest month in which you can book a flight to Illinois (average of C$ 261). Flying to Illinois in August will prove the most costly (average of C$ 452). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
January
C$ 357
February
C$ 416
March
C$ 444
April
C$ 456
May
C$ 537
June
C$ 561
July
C$ 606
August
C$ 619
September
C$ 474
October
C$ 509
November
C$ 463
December
C$ 478
Temperature and rainfall in Illinois by month
Plan your trip to Illinois by taking into account the average temperature and rainfall totals by month.
CHI Temperature | -5 - 23 °C |
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If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).
When is the best time to book a flight to Illinois?
Use this chart to determine the optimal time to book a round-trip flight to Illinois. Price data was last updated on 28 January 2024.
The best time to book flights to Illinois is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 25 April 2024.
Read through reviews of airlines servicing Illinois, such as American Airlines, Delta and WestJet Encore. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
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Paid a lot for our exit row seats and they weren’t that roomy.
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Paid a lot for our exit row seats and they weren’t that roomy.
Food
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Paid a lot for our exit row seats and they weren’t that roomy.
Food
Comfort
Entertainment
Boarding
Overall
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Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Food
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Paid a lot for our exit row seats and they weren’t that roomy.
Food
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Paid a lot for our exit row seats and they weren’t that roomy.
Brush up on your American history before your flight to Chicago: Home of President Abraham Lincoln, Lake Michigan, and ‘da Chicago Bears, Illinois has something for everyone. Whether you’re a history buff or a sports fanatic, it’s worth booking flights to Illinois.
The 21st state, located is the heart of the Midwest, is easy to get to thanks to two airports and one of the largest train stations in the country. Flights to Illinois are serviced by major airlines and Amtrak trains head right into the centre of Chicago.
In between shopping and sports, make sure to visit one of Illinois’ numerous museums before boarding your Illinois flight home. The Burpee Museum of Natural History in Rockford features dinosaur fossils while the Abraham Lincoln Presidential Library and Museum in Springfield is the largest presidential library in the country. Tourists booking Illinois flights to Chicago can explore the John G. Shedd Aquarium, the Field Museum of Natural History, the Art Institute of Chicago, and the Museum of Science and Industry (Chicago).
Book a flight to Illinois to experience a plethora of cultures wrapped into one state.
Illinois climate
Winters along the Great Lakes are long and cold. From late November into April, there is plenty of snow, icy winds, and sub-freezing temperatures, but it’s also the best time to find cheap flights to Illinois. Conversely, July and August can be hot and sticky and good Illinois flight and hotel deals are usually available. Spring and fall tend to have perfect weather and are great times to visit, although the tornado season is March through May.Chicago summers can have temperatures well into the 30s (C) with humidity to match. Winters are cold and raw with temperatures in the teens and occasional blizzards. Mild winters are not uncommon, but if booking Illinois flight and travel plans during the winter it’s advisable to pack with snow and cold in mind.
Getting around Illinois
A tough city to drive in, Chicago has convenient public transportation, taxis are easy to come by, and many areas are a pleasure to walk through. The Chicago Transit Authority operates the “L” (or “El”) a system of elevated trains that run 24 hours a day. There is also a River Bus that runs during rush hour in the summer, and the city is becoming increasingly bike friendly.
Except for Chicago, Illinois is mostly a quiet, rural state. Yet Amtrak trains, numerous commuter railroads, and, to a lesser extent, buses make getting around on public transportation feasible. Cycling is also generally easy on the state’s flat plains.
Once you reach your destination, check for local transportation, but be prepared to rent a car.