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CA $191 Cheap Flight to Illinois

View CA $191 flight on Fri, Sep 18, 2026Opens in a new window

Popular airlines to Illinois

  • Delta

  • Frontier Airlines

  • American Airlines

  • United

  • Alaska Airlines

  • JetBlue Airways

  • Southwest Airlines

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How much is the cheapest flight to Illinois?

Prices were available within the past 7 days and start at CA $191 for one-way flights and CA $321 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Air Canada
United
American Airlines
Delta
American Airlines
Air Canada
Air Canada
United
Porter Airlines

Trending flights to Illinois

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Porter Airlines

Frequently asked questions

How do I find cheap flights to Illinois that have flexible change policies?
By using our helpful "No change fee" filter, that's how. Simply enter your preferred dates and destination, click the "Search" button, then tick the checkbox directly under the "Flexible change policies" heading (top left-hand side of your screen). Expedia makes it simple to find flexible, cheap airfares to Illinois.
Which airlines fly to Illinois?
Find a seat with any of these leading airlines and get set to explore the best of Illinois:
  • United Airlines - 12,916 flights to or near Illinois each month, including 12,777 flights to O'Hare Intl. Airport (ORD) and 138 to Quad City Intl. Airport (MLI) per month.
  • American Airlines - 9,292 flights to or near Illinois each month, including 9,109 flights to O'Hare Intl. Airport (ORD) and 182 to Quad City Intl. Airport (MLI) per month.
  • Southwest Airlines - 4,810 flights to or near Illinois each month, including 4,441 flights to Midway Intl. Airport (MDW) and 368 to O'Hare Intl. Airport (ORD) per month.
How can I find cheap tickets to Illinois?
For an unbeatable deal to Illinois, book in advance. Also use Expedia's "flexible dates" link at the top of your search results. This will display prices for similar time frames. In the last seven days, CA $321 was the lowest price for a flight to Illinois.
How much is a flight to Illinois?
You could have locked in a return flight to Illinois from anywhere between CA $321 and CA $591 in the last seven days. For one-way trips departing from Toronto (YYZ), the lowest amount paid during this time was CA $191.
What are the most popular airports to fly into in Illinois?
Which airport you touch down at in Illinois mostly depends on where you begin your journey and your final destination. Listed below are the most favoured airports in this region:
  • O'Hare Intl. Airport (ORD) - 24,728 flights per month.
  • Midway Intl. Airport (MDW) - 4,927 flights per month.
  • Quad City Intl. Airport (MLI) - 421 flights per month.
When is the cheapest time to fly to Illinois?
If you'd prefer to spend your vacation money enjoying Illinois rather than on your journey there, leave early in the week. The cheapest day to fly is usually Tuesday, with Monday close behind. With many folks travelling on weekends, Saturday often has the highest fares.
How much is a plane ticket to Illinois?
In the last seven days, flights to Illinois varied from CA $321 to CA $591.
What are the best things to do in Illinois?
  • Brimming with character and cultural allure, Chicago is a great base for your Illinois trip. Explore big-name attractions like Wrigley Field, get some retail therapy or wine and dine your way around some of this destination's fantastic restaurants. It's your choice!
  • When selecting the clothes to pack for your vacation, take into account that Chicago has a humid continental climate. For a clearer idea of what to expect, look up the weather before you go.
  • About 129 kilometres to the west of Chicago, Rockford also deserves to be at the top of your itinerary. Favourite sights in this city include Blackhawk Island — make sure you add it to your sightseeing list.
What is the best time to go to Illinois?
Anytime is a fantastic time to see Chicago, Illinois's most populated city, but May, June and July are when it's at its busiest. Summer begins June 51 kg the U.S. and is a perfect time to go if you enjoy the outdoors. Typically, temperatures range from 19ºC to 24ºC during this season.
What months are the cheapest to book a flight to Illinois?
The best month to purchase budget flights to Illinois is February. It's worth remembering that in the U.S, an expensive time to book a ticket is during the month of December.

Book with confidence

Top Travel Tips for Flying to Illinois

Get ready for an incredible adventure as you embark on your journey to Illinois. With Expedia, finding the perfect flights is a breeze. Discover valuable travel insights and expert tips to ensure a seamless and enjoyable trip to this captivating destination.

Unleash Your Wanderlust

Pack your bags, secure your flights to Illinois, and let Expedia be your trusted companion in fulfilling your travel dreams. Our wide selection of flights offers you the flexibility to explore Illinois in your own unique style. Experience the trip of a lifetime with just a click, courtesy of Expedia.

Unbeatable Value with Expedia

At Expedia, we understand the importance of budget-friendly travel. That's why we are dedicated to bringing you the best deals on affordable and cheap flights from the UK to Illinois. Experience the perfect balance between adventure and savings with our competitively-priced roundtrip and one-way flight options.

Endless Flight Choices

With 20 different airlines flying to Illinois, you have a world of options at your fingertips. Whether you're a spontaneous traveler or a meticulous planner, find the flights that suit your schedule and preferences seamlessly. Explore last-minute deals or plan ahead with ease.

Empowering Your Decision

We believe in putting you in control of your travel choices. Our extensive range of airline tickets to Illinois caters to every budget, starting from the lowest price CA $191. Enjoy the freedom to choose the perfect flights that align with your needs and desires.

Effortless Booking Process

Experience a hassle-free booking journey with Expedia. Whether you're seeking a red-eye flight, a direct route to a specific airport, or one-way flights to Illinois, our streamlined booking process ensures convenience and efficiency. Download our mobile booking app to reserve your flights anytime, anywhere.

Your Adventure Awaits

It's time to make your dreams a reality. Book your airfare to Illinois today with Expedia. Begin crafting your unique travel story and get ready for an unforgettable experience that caters to your tastes and budget.

Start your journey now and let the adventure unfold.

Top Travel Tips for Flying to Illinois

Travel information

Illinois Flights Information

Airlines serving
Air Canada, American Airlines, United, Delta, Porter Airlines
Roundtrip price
from CA $321
Illinois Flights Information

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