Cheap Flights to Illinois from $23 (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.

Wed, Nov 25 - Wed, Dec 2
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$46 Roundtrip, found 2 days ago
$46
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Nov 25 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Dec 2, priced at $46 found 2 days ago
Mon, Nov 9 - Mon, Nov 16
ATL
Hartsfield-Jackson Atlanta Intl.
MDW
Midway Intl.
$83 Roundtrip, found 6 days ago
$83
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Mon, Nov 9 from Hartsfield-Jackson Atlanta Intl. to Midway Intl., returning Mon, Nov 16, priced at $83 found 6 days ago
Wed, Feb 24 - Mon, Mar 1
ATL
Hartsfield-Jackson Atlanta Intl.
ORD
O'Hare Intl.
$90 Roundtrip, found 5 days ago
$90
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Feb 24 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Mon, Mar 1, priced at $90 found 5 days ago
Wed, Nov 11 - Wed, Nov 18
DFW
Dallas-Fort Worth Intl.
MDW
Midway Intl.
$90 Roundtrip, found 3 days ago
$90
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Nov 11 from Dallas-Fort Worth Intl. to Midway Intl., returning Wed, Nov 18, priced at $90 found 3 days ago
Wed, Dec 2 - Wed, Dec 9
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$110 Roundtrip, just found
$110
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Dec 2 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Wed, Dec 9, priced at $110 just found
Thu, Nov 19 - Thu, Nov 26
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$138 Roundtrip, found 18 hours ago
$138
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Thu, Nov 19 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Thu, Nov 26, priced at $138 found 18 hours ago
Fri, Dec 4 - Mon, Dec 7
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$153 Roundtrip, found 15 hours ago
$153
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Fri, Dec 4 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Mon, Dec 7, priced at $153 found 15 hours ago
Tue, Dec 8 - Thu, Dec 10
LAX
Los Angeles Intl.
ORD
O'Hare Intl.
$153 Roundtrip, found 2 days ago
$153
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Dec 8 from Los Angeles Intl. to O'Hare Intl., returning Thu, Dec 10, priced at $153 found 2 days ago
Wed, Dec 2 - Sat, Dec 5
DAL
Love Field
MDW
Midway Intl.
$199 Roundtrip, found 2 days ago
$199
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Dec 2 from Love Field to Midway Intl., returning Sat, Dec 5, priced at $199 found 2 days ago
Tue, Dec 1 - Wed, Dec 2
DAL
Love Field
ORD
O'Hare Intl.
$219 Roundtrip, found 1 day ago
$219
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Dec 1 from Love Field to O'Hare Intl., returning Wed, Dec 2, priced at $219 found 1 day ago
Thu, Dec 17 - Wed, Dec 23
LAX
Los Angeles Intl.
MDW
Midway Intl.
$238 Roundtrip, found 18 hours ago
$238
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Thu, Dec 17 from Los Angeles Intl. to Midway Intl., returning Wed, Dec 23, priced at $238 found 18 hours ago
OriginDestinationTravel DatesFlights From*
ATLChicagoJanuary 5 to January 12$108
LAXChicagoFebruary 3 to February 16$178
ATLBloomingtonJanuary 8 to January 10$313
JFKBloomingtonJanuary 28 to January 31$320
ATLMolineJanuary 12 to January 26$339
ATLPeoriaDecember 9 to December 14$345
LAXMolineJanuary 7 to January 11$379
LAXSpringfieldDecember 11 to December 12$442
JFKEvansvilleDecember 11 to December 12$482
EWRSpringfieldDecember 18 to December 19$605
LAXSavoyNovember 20 to November 22$636
ATLSavoyFebruary 3 to February 5$906
PVGChicagoDecember 23 to February 24$1,100
PVGSt. LouisNovember 26 to December 5$1,102
PVGEvansvilleFebruary 11 to July 14$1,596
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLSt. LouisNovember 7 to November 18$179
ATLChicagoNovember 8 to December 6$249
EWRChicagoNovember 7 to January 1$318
LAXChicagoNovember 8 to November 14$347
LAXChicagoNovember 7 to November 11$367
ATLPeoriaNovember 8 to November 24$392
EWRMolineNovember 6 to November 7$425
LAXSt. LouisNovember 8 to November 9$461
ATLBloomingtonNovember 7 to November 8$473
EWRSt. LouisNovember 7 to November 11$484
LAXMolineNovember 6 to November 8$551
LAXBloomingtonNovember 6 to November 9$571
ATLEvansvilleNovember 8 to November 13$687
PEKChicagoNovember 7 to November 11$1,044
PVGChicagoNovember 7 to December 7$1,486
*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

Dec 9 - Dec 12

3 night stay

Atlanta (ATL) to St. Louis (STL)

Frontier Airlines • Coach

St. Louis (STL) to Atlanta (ATL)

Delta • Coach
Save 100% on your flight
Price was $467, price is now $251 per person
$251
per person
found 10 hours ago
Sheraton Grand Chicago Riverwalk
4.0-star property

Sheraton Grand Chicago Riverwalk

Nov 24 - Nov 28

4 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Price was $1,616, price is now $587 per person
$587
per person
found 1 day ago
Pendry Chicago
4.5-star property

Pendry Chicago

Dec 16 - Dec 19

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Price was $606, price is now $398 per person
$398
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.
Opens in a new windowCongress Plaza Hotel
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.
8/10 Very Good! (2,639 reviews)
"My room phone did not work and think it would be great to see a vending machine with needed items like Coke and snacks. Also think the staff could be dressed in a great uniform to represent the history of hotel in a modern way. I would be glad to have a call from hotel to discuss conversation or ..."

Reviewed on Nov 2, 2026

Opens in a new windowThe Chicago Hotel Collection Ambassador Gold Coast
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.
Opens in a new windowRiver Hotel
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The Wade

The Wade

4.5 out of 5
644 N Lake Shore Dr Chicago IL
Book a stay at this luxury hotel in Chicago. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Michigan Avenue and Navy Pier are located nearby.
8.6/10 Excellent! (2,187 reviews)
"Can’t get ahold of anyone at the hotel."

Reviewed on Nov 1, 2026

Opens in a new windowThe Wade
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 $46 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 19 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 November. 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 $46 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 $46 and $1,596 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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