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.

Wed, Oct 21 - Wed, Oct 28
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$38 Roundtrip, found 2 hours ago
$38
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Oct 21 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Oct 28, priced at $38 found 2 hours ago
Wed, Oct 14 - Wed, Oct 28
ATL
Hartsfield-Jackson Atlanta Intl.
ORD
O'Hare Intl.
$63 Roundtrip, found 5 days ago
$63
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Oct 14 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Wed, Oct 28, priced at $63 found 5 days ago
Wed, Oct 21 - Sat, Oct 24
DFW
Dallas-Fort Worth Intl.
MDW
Midway Intl.
$67 Roundtrip, found 1 day ago
$67
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Oct 21 from Dallas-Fort Worth Intl. to Midway Intl., returning Sat, Oct 24, priced at $67 found 1 day ago
Mon, Oct 5 - Tue, Nov 17
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$76 Roundtrip, found 3 days ago
$76
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Oct 5 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Tue, Nov 17, priced at $76 found 3 days ago
Sat, Oct 10 - Tue, Oct 13
ATL
Hartsfield-Jackson Atlanta Intl.
MDW
Midway Intl.
$82 Roundtrip, found 3 days ago
$82
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Oct 10 from Hartsfield-Jackson Atlanta Intl. to Midway Intl., returning Tue, Oct 13, priced at $82 found 3 days ago
Fri, Nov 13 - Thu, Nov 19
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$82 Roundtrip, found 3 days ago
$82
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Nov 13 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Thu, Nov 19, priced at $82 found 3 days ago
Wed, Nov 4 - Sat, Nov 7
DAL
Love Field
MDW
Midway Intl.
$257 Roundtrip, found 2 days ago
$257
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Nov 4 from Love Field to Midway Intl., returning Sat, Nov 7, priced at $257 found 2 days ago
Thu, Oct 15 - Sun, Oct 18
ATL
Hartsfield-Jackson Atlanta Intl.
EVV
Evansville Regional
$263 Roundtrip, found 3 days ago
$263
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Oct 15 from Hartsfield-Jackson Atlanta Intl. to Evansville Regional, returning Sun, Oct 18, priced at $263 found 3 days ago
OriginDestinationTravel DatesFlights From*
LAXRockfordSeptember 27 to October 2$260
ATLEvansvilleOctober 14 to October 18$263
ATLPeoriaNovember 13 to November 15$319
ATLRockfordOctober 4 to October 4$365
LAXMolineNovember 13 to November 15$379
LAXPeoriaSeptember 30 to October 3$414
LAXSavoyOctober 20 to October 31$416
LAXBloomingtonDecember 22 to December 29$500
ATLSavoyOctober 3 to October 4$613
ATLSpringfieldNovember 21 to November 29$831
PVGChicagoOctober 26 to November 11$1,001
PVGSt. LouisNovember 5 to November 9$1,090
PVGEvansvilleOctober 15 to January 26$1,596
PVGBloomingtonOctober 14 to October 18$1,679
PVGSavoyOctober 3 to October 10$1,719
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLChicagoSeptember 19 to October 6$192
ATLSt. LouisSeptember 20 to October 2$234
ATLChicagoSeptember 19 to September 21$315
LAXRockfordSeptember 20 to September 23$317
DFWSt. LouisSeptember 18 to September 20$361
LAXChicagoSeptember 20 to September 26$376
ATLRockfordSeptember 18 to September 22$432
LAXSt. LouisSeptember 20 to September 24$456
LAXChicagoSeptember 20 to September 24$456
ATLMolineSeptember 18 to September 21$496
ATLBloomingtonSeptember 18 to September 20$526
ATLSpringfieldSeptember 19 to September 22$578
EWRSpringfieldSeptember 19 to September 20$700
DALEvansvilleSeptember 18 to September 20$986
PVGChicagoSeptember 18 to September 22$1,271
*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

Oct 23 - Oct 26

3 night stay

Atlanta (ATL) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach
Price was $504, price is now $247 per person
$247
per person
found 1 day ago
Residence Inn by Marriott St. Louis West County
3.0-star property

Residence Inn by Marriott St. Louis West County

Nov 3 - Nov 10

7 night stay

Atlanta (ATL) to St. Louis (STL)

Delta • Coach

St. Louis (STL) to Atlanta (ATL)

Southwest Airlines • Coach
Price was $1,294, price is now $681 per person
$681
per person
found 1 day ago
Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

Nov 4 - Nov 9

5 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,316, price is now $773 per person
$773
per person
found 1 day ago
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Travelers ❤️ These Illinois 🏨

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
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.
Opens in a new windowThe Chicago Hotel Collection Ambassador Gold Coast
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
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Hilton Chicago

Hilton Chicago

4 out of 5
720 S Michigan Ave Chicago IL
Book a stay at this historic hotel in Chicago. Enjoy 2 restaurants, breakfast (surcharge), and a health club. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Grant Park and Millennium Park are located nearby.
8.6/10 Excellent! (3,203 reviews)
"High rates"

Reviewed on Sep 13, 2026

Opens in a new windowHilton 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 $38 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 October. 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 $38 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 $38 and $1,719 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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