Cheap Flights to Illinois from $28 (2026/2027)

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Chicago

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.

Mon, Jun 8 - Mon, Jun 15
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$56 Roundtrip, found 7 hours ago
$56
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Mon, Jun 8 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Jun 15, priced at $56 found 7 hours ago
Tue, Aug 18 - Wed, Aug 26
ATL
Hartsfield-Jackson Atlanta Intl.
MDW
Midway Intl.
$66 Roundtrip, found 1 day ago
$66
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Aug 18 from Hartsfield-Jackson Atlanta Intl. to Midway Intl., returning Wed, Aug 26, priced at $66 found 1 day ago
Wed, Jul 1 - Sat, Jul 4
ATL
Hartsfield-Jackson Atlanta Intl.
ORD
O'Hare Intl.
$68 Roundtrip, found 1 hour ago
$68
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Jul 1 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Sat, Jul 4, priced at $68 found 1 hour ago
Thu, May 28 - Thu, Jun 18
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$116 Roundtrip, found 3 days ago
$116
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, May 28 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Thu, Jun 18, priced at $116 found 3 days ago
Sat, Jun 27 - Sat, Jul 4
DFW
Dallas-Fort Worth Intl.
MDW
Midway Intl.
$142 Roundtrip, found 1 day ago
$142
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Jun 27 from Dallas-Fort Worth Intl. to Midway Intl., returning Sat, Jul 4, priced at $142 found 1 day ago
Tue, Jul 28 - Sat, Aug 15
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$150 Roundtrip, found 1 day ago
$150
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jul 28 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Sat, Aug 15, priced at $150 found 1 day ago
Wed, Jul 29 - Tue, Aug 4
DAL
Love Field
STL
Lambert-St. Louis Intl.
$261 Roundtrip, found 11 hours ago
$261
Roundtrip
found 11 hours ago
Select Southwest Airlines flight, departing Wed, Jul 29 from Love Field to Lambert-St. Louis Intl., returning Tue, Aug 4, priced at $261 found 11 hours ago
Wed, Jun 17 - Sat, Jun 20
DAL
Love Field
MDW
Midway Intl.
$281 Roundtrip, found 7 hours ago
$281
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Wed, Jun 17 from Love Field to Midway Intl., returning Sat, Jun 20, priced at $281 found 7 hours ago
Wed, Jun 10 - Wed, Jun 17
DFW
Dallas-Fort Worth Intl.
RFD
Greater Rockford
$286 Roundtrip, found 4 days ago
$286
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Jun 10 from Dallas-Fort Worth Intl. to Greater Rockford, returning Wed, Jun 17, priced at $286 found 4 days ago
Sun, May 24 - Wed, May 27
DAL
Love Field
ORD
O'Hare Intl.
$298 Roundtrip, found 1 day ago
$298
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sun, May 24 from Love Field to O'Hare Intl., returning Wed, May 27, priced at $298 found 1 day ago
Tue, Jun 9 - Tue, Jun 23
DFW
Dallas-Fort Worth Intl.
PIA
Greater Peoria Regional
$374 Roundtrip, found 23 hours ago
$374
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Tue, Jun 9 from Dallas-Fort Worth Intl. to Greater Peoria Regional, returning Tue, Jun 23, priced at $374 found 23 hours ago
OriginDestinationTravel DatesFlights From*
ATLChicagoJune 30 to July 4$78
ATLEvansvilleJune 11 to June 18$339
LAXMolineJuly 18 to July 25$354
LAXBloomingtonJuly 14 to July 21$359
ATLBloomingtonAugust 5 to August 8$399
ATLPeoriaJune 13 to June 14$419
LAXSpringfieldAugust 20 to August 22$431
ATLSpringfieldJune 25 to June 27$441
LAXPeoriaJune 26 to June 27$460
LGABloomingtonJune 8 to June 9$487
LAXEvansvilleJune 11 to June 18$531
LAXSavoyJune 19 to June 23$558
PVGSt. LouisJune 21 to June 29$1,542
PVGChicagoJune 18 to July 31$1,596
PEKChicagoMay 31 to June 1$1,746
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLChicagoMay 24 to May 27$90
LGAChicagoMay 24 to May 28$202
DFWChicagoMay 24 to June 6$218
LAXChicagoMay 24 to May 29$267
LAXChicagoMay 22 to May 28$295
ATLRockfordMay 24 to June 10$302
DFWRockfordMay 22 to May 23$380
LAXSt. LouisMay 24 to May 30$400
JFKPeoriaMay 23 to May 25$432
JFKBloomingtonMay 23 to May 25$478
LAXRockfordMay 22 to May 27$506
ATLSavoyMay 22 to May 29$561
DFWBloomingtonMay 23 to May 25$580
EWRMolineMay 22 to May 25$645
PVGChicagoMay 22 to July 23$1,252
*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

Jul 2 - Jul 7

5 night stay

Atlanta (ATL) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach
Price was $952, price is now $438 per person
$438
per person
found 1 day ago
Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

Jul 1 - Jul 5

4 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,024, price is now $587 per person
$587
per person
found 1 day ago
Level Chicago Fulton Market
4.0-star property

Level Chicago Fulton Market

Jul 1 - Jul 5

4 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $919, price is now $584 per person
$584
per person
found 1 day ago
Don't see what you're looking for?
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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 Millennium Park are located nearby.
8/10 Very Good! (10,137 reviews)
The bar was very welcoming and the historic ambience and location was exceptional

Reviewed on May 16, 2026

Opens in a new windowCongress Plaza Hotel
Hotel Riu Plaza Chicago

Hotel Riu Plaza Chicago

4 out of 5
150 East Ontario Street Chicago IL
Book a stay at this business-friendly hotel in Chicago. Enjoy free breakfast, free WiFi, and 2 bars/lounges. Popular attractions Michigan Avenue and Chicago Riverwalk are located nearby.
9.4/10 Exceptional! (4,160 reviews)
Perfect central location, friendly staff, exceptional views from the rooftop bar. Would definitely recommend!

Reviewed on May 16, 2026

Opens in a new windowHotel Riu Plaza Chicago
Hotel Felix River North/Magnificent Mile

Hotel Felix River North/Magnificent Mile

4 out of 5
111 W Huron St Chicago IL
Book a stay at this boutique hotel in Chicago. Enjoy breakfast (surcharge), a 24-hour health club, 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! (2,698 reviews)
It was very close to restuarants, easy to find and very accessible. All staff were really helpful.

Reviewed on May 16, 2026

Opens in a new windowHotel Felix River North/Magnificent Mile
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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! (1,418 reviews)
Rooms need a renovation.

Reviewed on May 16, 2026

Opens in a new windowThe Chicago Hotel Collection - Magnificent Mile
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 $56 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 June. 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 $56 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 $56 and $1,746 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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