Cheap flights To Northern Illinois (CHI) from $49

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Cheap Flights to Northern Illinois from $49 One Way, $112 Round Trip

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Wed, Aug 26 - Sat, Aug 29
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$112 Roundtrip, found 5 days ago
$112
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Aug 26 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Sat, Aug 29, priced at $112 found 5 days ago
Wed, Aug 5 - Tue, Aug 18
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$114 Roundtrip, found 5 days ago
$114
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Aug 5 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Tue, Aug 18, priced at $114 found 5 days ago
Wed, Aug 5 - Tue, Aug 18
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$124 Roundtrip, found 5 days ago
$124
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Aug 5 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Tue, Aug 18, priced at $124 found 5 days ago
Wed, Aug 5 - Tue, Aug 18
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$134 Roundtrip, found 5 days ago
$134
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Aug 5 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Tue, Aug 18, priced at $134 found 5 days ago
Wed, Aug 5 - Tue, Aug 18
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$144 Roundtrip, found 5 days ago
$144
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Aug 5 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Tue, Aug 18, priced at $144 found 5 days ago
Thu, Sep 24 - Wed, Sep 30
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$150 Roundtrip, found 2 hours ago
$150
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Sep 24 from Newark Liberty Intl. Airport to O'Hare Intl., returning Wed, Sep 30, priced at $150 found 2 hours ago
Thu, Aug 20 - Tue, Aug 25
JFK
John F. Kennedy Intl.
ORD
O'Hare Intl.
$150 Roundtrip, just found
$150
Roundtrip
just found
Select JetBlue Airways flight, departing Thu, Aug 20 from John F. Kennedy Intl. to O'Hare Intl., returning Tue, Aug 25, priced at $150 just found
Thu, Sep 24 - Wed, Sep 30
JFK
John F. Kennedy Intl.
ORD
O'Hare Intl.
$161 Roundtrip, found 2 hours ago
$161
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Thu, Sep 24 from John F. Kennedy Intl. to O'Hare Intl., returning Wed, Sep 30, priced at $161 found 2 hours ago
Sat, Aug 22 - Wed, Aug 26
EWR
Newark Liberty Intl. Airport
RFD
Greater Rockford
$176 Roundtrip, found 6 days ago
$176
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Aug 22 from Newark Liberty Intl. Airport to Greater Rockford, returning Wed, Aug 26, priced at $176 found 6 days ago
Thu, Nov 5 - Mon, Nov 9
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$183 Roundtrip, just found
$183
Roundtrip
just found
Select Delta flight, departing Thu, Nov 5 from Newark Liberty Intl. Airport to O'Hare Intl., returning Mon, Nov 9, priced at $183 just found

Northern Illinois Flight Information

Traveling To
Northern Illinois
Destination Airport IATA Code
CHI
Number of Airlines Serving
Airlines
Frontier Airlines, JetBlue Airways, United, American Airlines, Delta
Flight Price
$112
Earliest Departing Flight
Latest Departing Flight

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Northern Illinois economy flight packages

Price found within the past 48 hours. Click for updated prices.
Hotel Saint Clair- Magnificent Mile
4.0-star property

Hotel Saint Clair- Magnificent Mile

Jul 27 - Jul 30

3 night stay

Atlanta (ATL) to Chicago (ORD)

Delta • Coach

Chicago (ORD) to Atlanta (ATL)

Frontier Airlines • Coach
Save 100% on your flight
Price was $794, price is now $533 per person
$533
per person
found 1 day ago
Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

Jul 27 - Jul 30

3 night stay

Atlanta (ATL) to Chicago (ORD)

Delta • Coach

Chicago (ORD) to Atlanta (ATL)

Frontier Airlines • Coach
Save 100% on your flight
Price was $903, price is now $594 per person
$594
per person
found 1 day ago
The Emily Hotel
4.0-star property

The Emily Hotel

Jul 13 - Jul 17

4 night stay

Atlanta (ATL) to Chicago (ORD)

Southwest Airlines • Coach

Chicago (ORD) to Atlanta (ATL)

Frontier Airlines • Coach
Save 100% on your flight
Price was $1,379, price is now $910 per person
$910
per person
found 1 day ago
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Northern Illinois premium economy flight packages

Price found within the past 48 hours. Click for updated prices.
Hotel Felix River North/Magnificent Mile
4.0-star property

Hotel Felix River North/Magnificent Mile

8.2/10 Very Good! (2,744 reviews)

Jul 11 - Jul 14

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • PremiumEconomy
Price was $823, price is now $609 per person
$609
per person
found 16 hours ago
Best vibe. In the mix!

Reviewed on May 2, 2026

Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

9.4/10 Exceptional! (4,319 reviews)

Jul 11 - Jul 14

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • PremiumEconomy
Save 100% on your flight
Price was $1,128, price is now $819 per person
$819
per person
found 16 hours ago
Nice staff. Clean. Great rooftop bar!! Great location. Great included breakfast buffet! I prefer a comforter rather than a sheet and blanket but still loved it!!

Reviewed on Jun 5, 2026

Kinzie Hotel
4.0-star property

Kinzie Hotel

9.2/10 Wonderful! (2,124 reviews)

Jul 17 - Jul 20

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • PremiumEconomy
Price was $963, price is now $732 per person
$732
per person
found 7 hours ago
The room smelled and the awful noise from the bathroom exhaust fan was annoying.

Reviewed on Mar 2, 2026

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Northern Illinois business class flight packages

Price found within the past 48 hours. Click for updated prices.
The Chicago Hotel Collection Ambassador Gold Coast
4.0-star property

The Chicago Hotel Collection Ambassador Gold Coast

8.2/10 Very Good! (1,532 reviews)

Jul 10 - Jul 12

2 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • BusinessClass
Price was $950, price is now $837 per person
$837
per person
found 1 day ago
Second time I've stayed here in less that a year; loved it first time, this time not so much. The breakfast vouchers that were included with the room last time were an extra expense this time; breakfast was not in usual space first 3 of 4 days, and we were misguided by desk personnel about where it was on the first 2 of those days; encountered LOTS of dirty dishes (including a cereal bowl with a tiny dead centipede in it). To be fair, the food itself was as good as we remembered it. Various other glitches, the worst of which was hearing (on 7th floor) the drum machine (on 1st floor) until 2a.m. one night. Overall, it was a good stay, but not the nearly perfect experience of last year.

Reviewed on Apr 22, 2026

Viceroy Chicago
4.5-star property

Viceroy Chicago

9.4/10 Exceptional! (1,233 reviews)

Jul 10 - Jul 12

2 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • BusinessClass
Price was $1,069, price is now $985 per person
$985
per person
found 1 day ago
It is a very nice hotel, but just some detailed things since it’s supposed to be a 4-5 star hotel…. Lighting was difficult in room, couldn’t turn off large mirror lights without turning off room lights and other smaller lights. Vanity lights were not bright and no makeup mirror. No bath mats were provided. And 1 ply TP (really?)! Bed was not the best for comfort. Other than that, the staff was very nice, welcoming, and accommodating. Style of the hotel was a unique art deco with a lot of character. Great location near Gold Coast and lake front.

Reviewed on May 18, 2026

Staypineapple, An Iconic Hotel, The Loop
4.0-star property

Staypineapple, An Iconic Hotel, The Loop

9.4/10 Exceptional! (1,082 reviews)

Jul 10 - Jul 12

2 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • BusinessClass
Price was $907, price is now $839 per person
$839
per person
found 1 day ago
Great looking iconic property.

Reviewed on Mar 22, 2026

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Northern Illinois first class flight packages

Price found within the past 48 hours. Click for updated prices.
Kimpton Gray Hotel by IHG
4.5-star property

Kimpton Gray Hotel by IHG

9.4/10 Exceptional! (1,001 reviews)

Jul 10 - Jul 12

2 night stay

Atlanta (ATL) to Chicago (ORD)

United • Roundtrip • FirstClass
Price was $1,104, price is now $934 per person
$934
per person
found 23 hours ago
I absolutely loved my stay at this property! Everything—from the warm, welcoming atmosphere to the beautifully maintained rooms—made the experience unforgettable. The staff were incredibly kind, and every detail felt thoughtfully designed for comfort. I can’t wait to come back!

Reviewed on Nov 21, 2025

Trump International Hotel & Tower Chicago
5.0-star property

Trump International Hotel & Tower Chicago

9.6/10 Exceptional! (1,893 reviews)

Jul 10 - Jul 12

2 night stay

Atlanta (ATL) to Chicago (ORD)

United • Roundtrip • FirstClass
Price was $1,384, price is now $1,149 per person
$1,149
per person
found 23 hours ago
The location was great. The only thing at night there were a line of cars outside that were doing donuts in the street, squalling tires and dancing. The police never did come. Staff was very friendly.

Reviewed on Jun 8, 2026

The Langham, Chicago
5.0-star property

The Langham, Chicago

9.8/10 Exceptional! (1,002 reviews)

Jul 10 - Jul 12

2 night stay

Atlanta (ATL) to Chicago (ORD)

United • Roundtrip • FirstClass
Price was $1,578, price is now $1,388 per person
$1,388
per person
found 1 day ago
Just an absolutely beautiful hotel with spectacular service. Highly recommend.

Reviewed on Mar 29, 2024

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Northern Illinois

If you are looking for discount prices on flights to Northern Illinois then look no further than Orbitz. With some of the best deals available, cutting-edge technology, and great customer service, Orbitz makes booking Northern Illinois flights easy and affordable.

Booking Made Easy

With Orbitz’s Display Matrix, booking flights to Northern Illinois is simple. Just one glance gives you all the pricing information you need, including your discounts and savings. View all your options before selecting and booking your perfect Northern Illinois flights.

Manage Travel Plans on the Move

By using Orbitz’s free apps for iPhone and Android, and an easy-to-use mobile browser at m.orbitz.com, booking flights to Northern Illinois has never been so convenient. Check for updates and alerts wherever you are, or manage your booking quickly. And we also offer mobile exclusive deals on hotels, so don’t delay—book right away.

The Complete Package

Orbitz makes it stress-free to book Northern Illinois flights, and we can also help you figure out the rest of your trip just as easily. If you need great deals on hotels and car rentals following your flights to Northern Illinois, just add the details to your booking and search for the cheapest deals out there. And why waste time lining up for admission to attractions and events? With Orbitz, you can book tickets in advance and waltz straight in.

Low Price Guarantee

Booking your Northern Illinois flights with Orbitz guarantees low prices every day, all day—no matter when and where you book. You will always find the best deals available, coupled with extra great savings and discounts for all around great value.

Frequently asked questions

What is the best airport to fly to in Northern Illinois?
Williamson County Regional Airport (MWA) is the major gateway for this terrific destination. Once you've stepped out of the terminal, the possibilities are endless when it comes to adventuring around Northern Illinois.
How much is a flight to Northern Illinois?
Travelers from far and wide bagged round-trip bargains ranging from $112 to $183 this week. Kicking off your journey from Dallas (DFW)? The cheapest one-way prices were just $49.
How to book the cheapest flight to Northern Illinois?
Scoring cheap flights to Northern Illinois is as easy as booking with Orbitz. But if you'd like to make sure you're walking away with the best flight deals around, here are some tips to keep in mind:

  • Departing from or landing at nearby airports can often be more affordable. Enter your preferred departure and arrival points. Next, select the 'Nearby airports' function below to explore your options.
  • Similarly, click on the 'Show flexible dates' link to compare the prices on days either side of your chosen departure. It's possible to find cheaper flight deals if your travel dates are flexible.
  • Select 'Show options' to narrow down your search results. You can pick your preferred seating class and airline here. Under 'Sort & Filter' to the left, you can even specify whether you'd like to fly in the morning, afternoon or evening.
  • The early bird gets the best savings, so purchase your seats once you've settled on your travel dates. The most affordable fares get snapped up first and prices normally increase as the departure date nears.
  • Consider bundling your hotels, flights and car rentals into an Orbitz package to make your dollar go further.
  • Don't fly during the busy season if you can. By avoiding summer, school vacations and other popular dates, you can save big on your airfares.

What is the best time to book a flight to Northern Illinois?
Book in January, February or August for unbeatable fares to Northern Illinois. Once you've found a bargain, lock it in — cheap flights are known to appear and then vanish in the click of a button.
What day of the week is the cheapest to book a flight to Northern Illinois?
In general, Tuesdays, Wednesdays and Saturdays are the cheapest days of the week to book a flight to Northern Illinois. If you want the best airfares, search across those days and you're likely to catch an excellent flight deal.
What is the cheapest day of the week to fly to Northern Illinois?
You can land cheap flights to Northern Illinois by flying out on a Monday, according to Orbitz data from 2020. Tuesday is also more affordable, while Saturday has the most costly ticket prices. Whether you prefer to save a bundle or fly out on whichever day is convenient, you'll always get a terrific deal with Orbitz.
What is the cheapest month to fly to Northern Illinois?
Consider traveling in August if you don't want to put a dent in your budget. Orbitz data has found that it's generally the best month for cheap flights to Northern Illinois. June is when fares really go up.
Which airlines allow free cancellation?
When you search for flights on Orbitz, select "Filter by flexible change policies." This filter will quickly find all the airlines offering free cancellation within 24 hours of booking and no change fees. That means you can relax knowing that if your travel dates change, your flight can too.
What do I need for the flight to Northern Illinois?
Flying can be fun with a little pre-planning! Make your flight a relaxing one with these helpful tips:

  • Whether you print it out or use an electronic one, you'll need your boarding pass to step foot on the plane. You'll also need some kind of government-issued photo identification. If you're flying internationally, make sure your passport is valid and you've looked into visa requirements.
  • Take some activities to keep you amused on your journey to Northern Illinois. Books, magazines and electronic gadgets like laptops and tablets are good ideas. Be sure to take a refillable water bottle with you too. Even on a short flight, it's important to keep well-hydrated.
  • It can get very cool on the plane. If you'd prefer not to shiver your way through the flight, layer up.

How many direct flights are there to Northern Illinois?
With 13 direct flights each month, getting to Northern Illinois doesn't have to be long and stressful. Cape Air offers nonstop services to this bustling destination.
How do I get cheap first-class/business deals to Northern Illinois?
If you think a business or first-class airfare is beyond your grasp, think again. Here are some terrific tips to help you book a premium flight to Northern Illinois for less:

  • Flexibility is everything. By being open to different travel dates, you'll have more chances of spotting a sale on first or business-class airfares.
  • Find a budget airline that has business-class seats. They usually come with more space and a glass of bubbly — and a more appealing price.
  • Bid for an upgrade in online auctions (if available) or upgrade your seat through your frequent flyer program.

What is the best time to go to Northern Illinois?
Northern Illinois is a wonderful getaway destination year-round, but the most popular months are June, July and August. If you're into warm weather, make your way there during the summer months. Like most places in the Northern Hemisphere, the summer season commences June 20. At this time, temperatures usually float between 65 ºF and 80 ºF during the daytime.

More to Explore

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.