Cheap Flights to Illinois from $36 (2026/2027)

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Flights
Chicago

How Much Does it Cost To Fly To Illinois?

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

Wed, Aug 19 - Sat, Aug 22
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$72 Roundtrip, found 2 days ago
$72
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Aug 19 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Aug 22, priced at $72 found 2 days ago
Tue, Sep 1 - Wed, Sep 9
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$78 Roundtrip, found 10 hours ago
$78
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Tue, Sep 1 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Wed, Sep 9, priced at $78 found 10 hours ago
Tue, Aug 4 - Tue, Aug 4
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$89 Roundtrip, found 1 day ago
$89
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Aug 4 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Aug 4, priced at $89 found 1 day ago
Tue, Sep 29 - Tue, Oct 6
DEN
Denver Intl.
ORD
O'Hare Intl.
$93 Roundtrip, found 2 days ago
$93
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Sep 29 from Denver Intl. to O'Hare Intl., returning Tue, Oct 6, priced at $93 found 2 days ago
Tue, Aug 11 - Sat, Aug 15
DFW
Dallas-Fort Worth Intl.
MDW
Midway Intl.
$97 Roundtrip, found 1 day ago
$97
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Aug 11 from Dallas-Fort Worth Intl. to Midway Intl., returning Sat, Aug 15, priced at $97 found 1 day ago
Wed, Oct 14 - Wed, Oct 21
ATL
Hartsfield-Jackson Atlanta Intl.
MDW
Midway Intl.
$108 Roundtrip, found 2 days ago
$108
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Oct 14 from Hartsfield-Jackson Atlanta Intl. to Midway Intl., returning Wed, Oct 21, priced at $108 found 2 days ago
Wed, Sep 16 - Wed, Sep 23
ATL
Hartsfield-Jackson Atlanta Intl.
ORD
O'Hare Intl.
$128 Roundtrip, found 1 day ago
$128
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Sep 16 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Wed, Sep 23, priced at $128 found 1 day ago
Tue, Jul 14 - Tue, Jul 21
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$129 Roundtrip, found 10 hours ago
$129
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Tue, Jul 14 from Denver Intl. to Lambert-St. Louis Intl., returning Tue, Jul 21, priced at $129 found 10 hours ago
Tue, Dec 15 - Tue, Dec 15
DEN
Denver Intl.
MDW
Midway Intl.
$166 Roundtrip, found 3 days ago
$166
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Dec 15 from Denver Intl. to Midway Intl., returning Tue, Dec 15, priced at $166 found 3 days ago
Tue, Aug 11 - Wed, Aug 12
DAL
Love Field
ORD
O'Hare Intl.
$179 Roundtrip, found 2 days ago
$179
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Aug 11 from Love Field to O'Hare Intl., returning Wed, Aug 12, priced at $179 found 2 days ago
Sat, Aug 15 - Tue, Aug 18
DFW
Dallas-Fort Worth Intl.
RFD
Greater Rockford
$184 Roundtrip, found 3 days ago
$184
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Aug 15 from Dallas-Fort Worth Intl. to Greater Rockford, returning Tue, Aug 18, priced at $184 found 3 days ago
OriginDestinationTravel DatesFlights From*
LAXPeoriaJuly 15 to July 21$349
LAXMolineSeptember 24 to September 28$349
LAXBloomingtonAugust 14 to August 17$359
ATLMolineJuly 2 to July 5$408
DFWMolineAugust 11 to August 15$413
LAXEvansvilleJuly 20 to July 25$480
JFKPeoriaAugust 30 to September 19$521
DFWBloomingtonSeptember 17 to September 27$530
ATLPeoriaJuly 13 to July 17$570
ATLBloomingtonJuly 13 to July 17$570
PVGChicagoJuly 9 to September 1$1,238
PVGSt. LouisSeptember 1 to February 21$1,326
PEKSt. LouisSeptember 7 to October 5$1,416
PVGBloomingtonSeptember 4 to February 20$1,695
PVGSavoyJune 29 to July 3$2,006
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLChicagoJune 20 to July 31$226
DFWChicagoJune 20 to July 4$246
ATLChicagoJune 20 to June 25$278
DFWChicagoJune 20 to June 21$298
LAXChicagoJune 20 to July 3$365
ATLRockfordJune 19 to June 23$389
LAXSt. LouisJune 21 to June 27$431
EWREvansvilleJune 21 to June 28$509
LAXChicagoJune 19 to June 26$538
LAXMolineJune 21 to June 28$599
LAXSpringfieldJune 21 to July 8$644
LGARockfordJune 19 to June 21$716
PEKChicagoJune 19 to November 29$1,402
PVGChicagoJune 21 to June 25$1,482
PVGSt. LouisJune 21 to June 29$1,505
*Prices include taxes and fees

Best Illinois Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Aug 19 - Aug 23

4 night stay

Charlotte (CLT) to St. Louis (STL)

Southwest Airlines • Non-stop • Coach

St. Louis (STL) to Charlotte (CLT)

Delta • Non-stop • Coach
Save 100% on your flight
Price was $871, price is now $512 per person
$512
per person
found 1 day ago
Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

Jul 20 - Jul 23

3 night stay

Atlanta (ATL) to Chicago (ORD)

American Airlines • Coach

Chicago (ORD) to Atlanta (ATL)

Frontier Airlines • Coach
Save 100% on your flight
Price was $973, price is now $570 per person
$570
per person
found 1 day ago
Level Chicago Fulton Market
4.0-star property

Level Chicago Fulton Market

Aug 28 - Sep 1

4 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,126, price is now $696 per person
$696
per person
found 1 day ago
Don't see what you're looking for?
See all available trips from Charlotte to Illinois
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Travelers ❤️ These Illinois 🏨

Congress Plaza Hotel

Congress Plaza Hotel

3.5 out of 5
520 South Michigan Avenue Chicago IL
Book a stay at this business-friendly hotel in Chicago. Enjoy 2 restaurants, 2 bars/lounges, and breakfast (surcharge). Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Grant Park and Art Institute of Chicago are located nearby.
8/10 Very Good! (10,263 reviews)
"Our stay here was fantastic! We needed up having a tornado warning and the staff were amazing at keeping everyone calm and happy! The hotel itself was beautiful and in a perfect location! Thank you so much for having us!"

Reviewed on Jun 13, 2026

Opens in a new windowCongress Plaza Hotel
Hyatt Regency O'Hare Chicago

Hyatt Regency O'Hare Chicago

4 out of 5
9300 Bryn Mawr Ave Rosemont IL
Book a stay at this business-friendly hotel in Rosemont. Enjoy free WiFi, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Rosemont Theatre and Allstate Arena are located nearby.
8.8/10 Excellent! (2,666 reviews)
"Overall stay was great with my brother. I will come back agin. Staff were helpful especially with our shuttle ride to the airport."

Reviewed on Jun 13, 2026

Opens in a new windowHyatt Regency O'Hare Chicago
The Chicago Hotel Collection - Magnificent Mile

The Chicago Hotel Collection - Magnificent Mile

4 out of 5
166 E Superior Street Chicago IL
Book a stay at this boutique hotel in Chicago. Enjoy free WiFi, 2 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Michigan Avenue and Chicago Riverwalk are located nearby.
7.8/10 Good! (1,576 reviews)
"My family and I visited on a very busy weekend. I was displeased initially, that the front desk receptionist was by herself considering the hotel was sold out. However, she handled the check-ins with ease; but because of them being short staffed, the extra towels we needed did not get delivered to ..."

Reviewed on Jun 14, 2026

Opens in a new windowThe Chicago Hotel Collection - Magnificent Mile
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The Chicago Hotel Collection Ambassador Gold Coast

The Chicago Hotel Collection Ambassador Gold Coast

4 out of 5
1301 N State Pkwy Chicago IL
Book a stay at this business-friendly hotel in Chicago. Enjoy free WiFi, a 24-hour fitness center, and valet parking (surcharge). Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Michigan Avenue and Chicago Riverwalk are located nearby.
8.2/10 Very Good! (1,602 reviews)
"This review reflects both the hotel and Expedia’s handling of the booking. The good: The location is excellent and very accessible. The common areas, including the lobby and bar, are pleasant and well maintained. The bad: The hotel is showing its age. The AC struggled to keep the room comfortable ..."

Reviewed on Jun 13, 2026

Opens in a new windowThe Chicago Hotel Collection Ambassador Gold Coast
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is the cheapest flight to Illinois?
A roundtrip flight to Illinois cost as little as $72 within the last seven days. When you're ready to make a booking, we'll help you find a top deal. This price was available on Travelocity for flights to Illinois departing within the next year. Prices and availability are subject to change. Additional terms apply.
Which airlines fly to Illinois?
You'll have a choice of 20 airlines when you want to organize your flight to Illinois. Let Southwest Airlines take you there. This top carrier offers 5,737 services a month to Chicago, Illinois's premier city.
What is the cheapest month to fly to Illinois?
Splash out more money on epic experiences and less on airfares by visiting Illinois in August. This is the most affordable time to set off to this destination based on Travelocity's direct return flight demand between January and December last year. Take a peek at our list of flights and get away from it all without draining your bank account.
How can I check my flight status to Illinois?
Visit the Travelocity customer portal, Trips. You'll find almost everything related to your flight to Illinois here, including valuable information about any gate changes, flight delays and more. Keep an eye out for Trips at the top right of the Travelocity homepage. Simply sign up, log in and discover what you need. Or you can access your itinerary on the go and get real-time travel updates with the Travelocity app. You'll find all your itineraries in one convenient place, so you can quickly share details with any members of your family flying with you.
How do I find the best deals on flights to Illinois?
Being flexible with your travel dates is one of the best ways to score a fantastic deal. Travelocity makes it a snap to find your perfect fare through the "Flexible dates" feature. First, search for your flight to Illinois, then compare prices for surrounding days by clicking the Flexible dates box above. Booking ahead of time and traveling outside of peak periods will also help you save. In the last seven days, the cheapest price for a return flight to Illinois was $72 on our site. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to Illinois with Travelocity?
Look for cheap flights to Illinois with Travelocity and start arranging your next adventure. With 24/7 customer assistance during every step of your trip and a Price Match Guarantee, we take the difficulty out of reserving cheap family flights, places to stay and more. Bag a top deal today and prepare for an amazing adventure.
What are the most popular flight routes to Illinois?
To help you in your search for flights to Illinois, browse our list of some of the preferred routes:

  • Denver, CO (DEN-Denver Intl.) to O'Hare Intl. Airport (ORD) - 4,203 flights a month.
  • Minneapolis, MN (MSP-Minneapolis - St. Paul Intl.) to O'Hare Intl. Airport (ORD) - 4,155 flights a month.
  • New York, NY (LGA-LaGuardia) to O'Hare Intl. Airport (ORD) - 4,138 flights a month.

How much is a flight to Illinois on average?
Airfares for roundtrip flights to Illinois cost between $72 and $2,006 in the last seven days. The moment you see a fabulous deal, snap it up and get ready to set off on your next wonderful adventure with Travelocity. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How long is the average flight to Illinois?
The length of your direct flight to Illinois mostly depends on your point of departure. To give you an idea of what to expect, here are the average travel times for a handful of popular routes to Illinois:

  • Denver, CO (DEN-Denver Intl.) to O'Hare Intl. Airport (ORD) - 2 hours and 29 minutes
  • Minneapolis, MN (MSP-Minneapolis - St. Paul Intl.) to O'Hare Intl. Airport (ORD) - 2 hours and 20 minutes
  • New York, NY (LGA-LaGuardia) to O'Hare Intl. Airport (ORD) - 2 hours and 41 minutes

What can I expect on a flight to Illinois?
Factors such as which carrier you choose and where you're departing from will mostly determine your travel experience. Chances are you'll find all kinds of flights to Illinois, from cheap flights for family vacations to first class journeys. Warm meals, drinks and entertainment are usually what most airlines provide on long-haul trips.

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