Cheap Flights to Northern Illinois , IL from CA $63

View CA $63 flight on Sat, Feb 28, 2026Opens in a new window

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How much is the cheapest flight to Northern Illinois?

Prices were available within the past 7 days and start at CA $63 for one-way flights and CA $143 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Feb 28 - Mon, Mar 2
BOS
Boston
ORD
Chicago
CA $143 Roundtrip, found 2 hours ago
CA $143
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Feb 28 from Boston to Chicago, returning Mon, Mar 2, priced at CA $143 found 2 hours ago
Delta
Sun, May 10 - Mon, May 11
BOS
Boston
ORD
Chicago
CA $145 Roundtrip, found 4 days ago
CA $145
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, May 10 from Boston to Chicago, returning Mon, May 11, priced at CA $145 found 4 days ago
JetBlue Airways
Tue, Mar 24 - Fri, Apr 3
BOS
Boston
ORD
Chicago
CA $153 Roundtrip, found 22 hours ago
CA $153
Roundtrip
found 22 hours ago
Select JetBlue Airways flight, departing Tue, Mar 24 from Boston to Chicago, returning Fri, Apr 3, priced at CA $153 found 22 hours ago
United
Sun, Mar 22 - Thu, Apr 9
BOS
Boston
ORD
Chicago
CA $249 Roundtrip, found 22 hours ago
CA $249
Roundtrip
found 22 hours ago
Select United flight, departing Sun, Mar 22 from Boston to Chicago, returning Thu, Apr 9, priced at CA $249 found 22 hours ago
Hawaiian Airlines
Sat, Feb 28 - Mon, Mar 2
SEA
Seattle
ORD
Chicago
CA $257 Roundtrip, found 6 days ago
CA $257
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Feb 28 from Seattle to Chicago, returning Mon, Mar 2, priced at CA $257 found 6 days ago

Expedia.ca gives you the best tools to secure great deals on flights to Northern Illinois. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Northern Illinois. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Northern Illinois.

Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Northern Illinois flights with full confidence knowing that you've found the best deal online.

Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Northern Illinois.

Looking to save even more? Get additional savings by bundling your Northern Illinois flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Northern Illinois trip!

Frequently asked questions

How do I find cheap flights to Northern Illinois that have flexible change policies?
It's as easy as counting 1-2-3 with Expedia. Step 1: Enter your travel details and hit "Search." Next, check the "No change fee" box just under the "Flexible change policies" filter to the left of your screen. Step 3. Snag a cheap and flexible airfare to Northern Illinois.
Which airlines fly to Northern Illinois?
Score a seat with any of these leading airlines and get set to explore the best of Northern Illinois:

  • United Airlines - 12,916 flights to or near Northern 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 Northern Illinois each month, including 9,109 flights to O'Hare Intl. Airport (ORD) and 182 to Quad City Intl. Airport (MLI) per month.
  • Delta - 1,083 flights to or near Northern Illinois each month, including 1,023 flights to O'Hare Intl. Airport (ORD) and 60 to Quad City Intl. Airport (MLI) per month.

How can I find cheap tickets to Northern Illinois?
Book well in advance, consider nearby airports, avoid school vacation time — there are plenty of ways! One more is to make the most of Expedia's "flexible dates" function. Find a Northern Illinois flight, then check out the prices for nearby dates. In the last seven days, the lowest price for a flight to Northern Illinois was CA $143.
How much is a flight to Northern Illinois?
One-way flights from Boston (BOS) sold for as low as CA $63 in the last seven days. During this time, the cost of a round-trip journey to Northern Illinois varied between CA $143 and CA $273. If you find a deal, book fast — these fares don't stick around for long.
What are the most popular airports to fly into in Northern Illinois?
Depending on which airline you fly with and your final Northern Illinois destination, you'll have a number of main airports to choose from. They include:

  • O'Hare Intl. Airport (ORD) - 24,728 flights per month.
  • Quad City Intl. Airport (MLI) - 421 flights per month.
  • Williamson County Regional Airport (MWA) - 52 flights per month.

When is the cheapest time to fly to Northern Illinois?
Fly out on a Tuesday to increase your chances of securing the cheapest fare to Northern Illinois. Mondays are usually the next most affordable day to take off. Saturday is generally the most expensive day to fly anywhere.
How much is a plane ticket to Northern Illinois?
Fares to Northern Illinois varied from CA $143 to CA $273 in the last seven days. Usually, the sooner you book the better the deal.
What are the best things to do in Northern Illinois?

  • Bursting with energy and cultural allure, Quad Cities is the perfect base for your Northern Illinois escape. Take in prominent attractions like RiverCenter, hit up the shops or wine and dine your way around some of this destination's fabulous restaurants. The choice is yours!
  • Quad Cities features a humid continental climate. But before you jet off, check out what the weather will be up to when you're there. Hot, cold, wet or dry, it's smart to come prepared!
  • Be sure to make New York your next stop. It's approximately 1400 kilometres to the east of Quad Cities and where you'll find Ellis Island, one of the city's leading tourist sights.

What is the best time to go to Northern Illinois?
Anytime's a good time to visit Rockford, Northern Illinois's top city, but May, June and July are when it's at its busiest. Summer kicks off June 51 kg the States and is a perfect time to go if you like the outdoors. Temperatures usually range from 16ºC to 26ºC during this season.
What months are the cheapest to book a flight to Northern Illinois?
The top month to book budget flights to Northern Illinois is February. Bear in mind that in the USA, the most expensive time to book a ticket is the festive month of December.
Flights to Northern Illinois information
Destination airport
O'Hare Intl.
Destination airport IATA code
ORD
Destination city name
Chicago
Roundtrip price
CA $142

Trending flights to Northern Illinois

Prices were available within the past 7 days and start at CA $63 for one-way flights and CA $143 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, May 23 - Tue, May 26
YYC
Calgary
ORD
Chicago
CA $273 Roundtrip, found 3 days ago
CA $273
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, May 23 from Calgary to Chicago, returning Tue, May 26, priced at CA $273 found 3 days ago

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