Cheap Flights to Illinois from $39 (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Jet to one of Illinois's top cities

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.

Sat, Jun 6 - Sat, Jun 6
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$75 Roundtrip, found 9 hours ago
$75
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Sat, Jun 6 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Sat, Jun 6, priced at $75 found 9 hours ago
Tue, May 26 - Wed, May 27
LAX
Los Angeles Intl.
ORD
O'Hare Intl.
$80 Roundtrip, just found
$80
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, May 26 from Los Angeles Intl. to O'Hare Intl., returning Wed, May 27, priced at $80 just found
Tue, Jun 2 - Sat, Jun 6
DFW
Dallas-Fort Worth Intl.
MDW
Midway Intl.
$93 Roundtrip, found 6 days ago
$93
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, Jun 2 from Dallas-Fort Worth Intl. to Midway Intl., returning Sat, Jun 6, priced at $93 found 6 days ago
Tue, Aug 18 - Sat, Aug 22
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$113 Roundtrip, found 3 days ago
$113
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Tue, Aug 18 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Sat, Aug 22, priced at $113 found 3 days ago
Tue, May 26 - Tue, Jun 2
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$185 Roundtrip, found 4 hours ago
$185
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Tue, May 26 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Tue, Jun 2, priced at $185 found 4 hours ago
Tue, May 26 - Wed, Jun 10
LAX
Los Angeles Intl.
RFD
Greater Rockford
$203 Roundtrip, found 3 days ago
$203
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, May 26 from Los Angeles Intl. to Greater Rockford, returning Wed, Jun 10, priced at $203 found 3 days ago
Tue, May 19 - Wed, May 27
LAX
Los Angeles Intl.
MDW
Midway Intl.
$220 Roundtrip, found 6 days ago
$220
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, May 19 from Los Angeles Intl. to Midway Intl., returning Wed, May 27, priced at $220 found 6 days ago
Thu, May 28 - Sat, May 30
DFW
Dallas-Fort Worth Intl.
RFD
Greater Rockford
$250 Roundtrip, found 5 days ago
$250
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, May 28 from Dallas-Fort Worth Intl. to Greater Rockford, returning Sat, May 30, priced at $250 found 5 days ago
OriginDestinationTravel DatesFlights From*
LAXRockfordMay 26 to June 10$203
ATLPeoriaMay 19 to May 29$309
ATLEvansvilleJune 5 to June 7$347
LAXPeoriaJuly 16 to July 20$349
LAXBloomingtonJuly 14 to July 21$349
LAXMolineJuly 4 to July 11$369
ATLBloomingtonJune 3 to June 7$408
DFWSpringfieldJuly 28 to August 4$419
EWREvansvilleJuly 10 to July 12$466
ATLSavoyJune 9 to June 11$473
ATLSpringfieldJune 3 to June 7$484
LAXSavoyJuly 3 to July 10$528
DFWEvansvilleJune 19 to June 25$570
PVGSt. LouisJune 16 to June 20$1,327
PVGEvansvilleMay 27 to September 28$1,401
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
DFWChicagoMay 10 to May 26$224
ATLSt. LouisMay 10 to May 12$262
ATLChicagoMay 9 to May 11$304
ATLChicagoMay 10 to May 12$315
LAXChicagoMay 9 to May 27$347
LGAPeoriaMay 9 to May 12$351
LAXChicagoMay 10 to May 12$356
ATLRockfordMay 9 to May 11$389
LGARockfordMay 9 to May 11$392
LAXSt. LouisMay 9 to May 12$461
LAXSavoyMay 9 to May 11$563
LAXRockfordMay 8 to May 11$579
ATLMolineMay 8 to May 8$907
PVGChicagoMay 8 to June 6$1,693
PEKChicagoMay 8 to May 21$2,072
*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 10 - Jul 12

2 night stay

Atlanta (ATL) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach
Price was $536, price is now $258 per person
$258
per person
found 13 hours ago
Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

Jul 10 - Jul 13

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,003, price is now $537 per person
$537
per person
found 1 day ago
Fairmont Chicago at Millennium Park
4.5-star property

Fairmont Chicago at Millennium Park

Jul 10 - Jul 13

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $881, price is now $531 per person
$531
per person
found 1 day ago
Don't see what you're looking for?
See all available trips from Atlanta to Illinois
View all trips

Travelers ❤️ These Illinois 🏨

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! (2,672 reviews)
Good location near shopping and restaurants

Reviewed on May 4, 2026

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

River Hotel

4 out of 5
75 East Wacker Drive Chicago IL
Book a stay at this business-friendly hotel in Chicago. Enjoy free WiFi, room service, and a fitness center. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Chicago Riverwalk and Michigan Avenue are located nearby.
8.8/10 Excellent! (5,159 reviews)
Staff was very friendly!

Reviewed on May 3, 2026

Opens in a new windowRiver Hotel
Club Quarters Hotel, Central Loop, Chicago

Club Quarters Hotel, Central Loop, Chicago

4 out of 5
111 West Adams Street Chicago IL
Book a stay at this business-friendly hotel in Chicago. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the restaurant and the helpful staff in our reviews. Popular attractions Millennium Park and Chicago Riverwalk are located nearby.
8.8/10 Excellent! (3,484 reviews)
.

Reviewed on May 4, 2026

Opens in a new windowClub Quarters Hotel, Central Loop, Chicago
Save an average of 15% on thousands of hotels when you're signed in
Sign in
Sign up, it's free
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! (4,042 reviews)
Great hotel in an amazing location!

Reviewed on May 4, 2026

Opens in a new windowHotel Riu Plaza Chicago
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 $75 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 15 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 $75 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 $75 and $2,072 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.

Explore More Ways to Travel with Travelocity