Cheap Flights to Illinois from $30 (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.

Tue, Jul 21 - Tue, Jul 28
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$56 Roundtrip, found 9 hours ago
$56
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Tue, Jul 21 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Jul 28, priced at $56 found 9 hours ago
Tue, Aug 18 - Wed, Aug 26
ATL
Hartsfield-Jackson Atlanta Intl.
MDW
Midway Intl.
$66 Roundtrip, found 3 hours ago
$66
Roundtrip
found 3 hours 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 3 hours ago
Wed, Sep 16 - Wed, Sep 16
ATL
Hartsfield-Jackson Atlanta Intl.
ORD
O'Hare Intl.
$71 Roundtrip, found 2 days ago
$71
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Sep 16 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Wed, Sep 16, priced at $71 found 2 days ago
Fri, Jun 19 - Mon, Jun 22
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$111 Roundtrip, found 2 hours ago
$111
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Jun 19 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Mon, Jun 22, priced at $111 found 2 hours ago
Sat, Jun 27 - Sat, Jul 4
DFW
Dallas-Fort Worth Intl.
MDW
Midway Intl.
$142 Roundtrip, found 5 hours ago
$142
Roundtrip
found 5 hours 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 5 hours ago
Tue, Sep 29 - Wed, Sep 30
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$152 Roundtrip, found 2 days ago
$152
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Sep 29 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Wed, Sep 30, priced at $152 found 2 days ago
Wed, May 27 - Fri, May 29
ATL
Hartsfield-Jackson Atlanta Intl.
RFD
Greater Rockford
$196 Roundtrip, found 1 day ago
$196
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, May 27 from Hartsfield-Jackson Atlanta Intl. to Greater Rockford, returning Fri, May 29, priced at $196 found 1 day ago
Tue, Jul 21 - Thu, Jul 23
DAL
Love Field
STL
Lambert-St. Louis Intl.
$261 Roundtrip, found 3 hours ago
$261
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Tue, Jul 21 from Love Field to Lambert-St. Louis Intl., returning Thu, Jul 23, priced at $261 found 3 hours ago
OriginDestinationTravel DatesFlights From*
ATLChicagoAugust 18 to August 26$66
ATLRockfordMay 28 to May 29$201
ATLEvansvilleJune 11 to June 18$339
LAXBloomingtonJuly 14 to July 21$359
ATLBloomingtonAugust 5 to August 8$399
DFWSavoyJune 30 to July 7$400
ATLMolineJune 19 to June 21$408
LAXEvansvilleMay 28 to June 13$429
LAXSpringfieldAugust 20 to August 22$431
ATLPeoriaJuly 9 to July 12$467
LAXSavoyJune 19 to June 23$558
PVGChicagoJune 21 to September 30$1,240
PVGSt. LouisJune 21 to June 29$1,542
PVGChicagoJune 18 to July 31$1,596
PEKEvansvilleMay 28 to June 1$2,917
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
DFWChicagoMay 16 to May 27$226
LGAChicagoMay 17 to May 24$311
ATLChicagoMay 16 to May 28$320
EWRChicagoMay 17 to August 8$320
ATLSt. LouisMay 16 to May 17$337
EWRSt. LouisMay 17 to May 20$337
LGARockfordMay 16 to May 20$354
ATLChicagoMay 17 to May 24$369
LAXChicagoMay 17 to May 27$383
LAXChicagoMay 16 to May 19$419
LGASavoyMay 16 to May 19$425
LAXSt. LouisMay 17 to May 19$468
LAXRockfordMay 17 to May 24$491
EWREvansvilleMay 17 to May 24$547
PEKChicagoMay 16 to May 23$1,507
*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 13

3 night stay

Atlanta (ATL) to St. Louis (STL)

Delta • Coach

St. Louis (STL) to Atlanta (ATL)

Frontier Airlines • Coach
Price was $731, price is now $358 per person
$358
per person
found 1 day ago
Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

Jul 22 - Jul 27

5 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Price was $1,475, price is now $769 per person
$769
per person
found 1 day ago
Swissotel - Chicago
4.5-star property

Swissotel - Chicago

Jul 22 - Jul 27

5 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Price was $1,345, price is now $702 per person
$702
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! (10,227 reviews)
Not the best and not the worst. Tolerable

Reviewed on May 14, 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! (4,137 reviews)
Clean great staff. Good location . Would recommend

Reviewed on May 14, 2026

Opens in a new windowHotel Riu Plaza Chicago
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! (5,166 reviews)
Friendly staff and excellent location. Loved our 2 bed suite with 2 bathrooms and a kitchen! Would absolutely stay again!

Reviewed on May 11, 2026

Opens in a new windowRiver Hotel
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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! (2,689 reviews)
All was good

Reviewed on May 12, 2026

Opens in a new windowHotel Felix River North/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 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 July. 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 $2,917 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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