Cheap Flights to Illinois from $41 (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.

Fri, Nov 13 - Wed, Nov 18
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$52 Roundtrip, found 6 days ago
$52
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Nov 13 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Nov 18, priced at $52 found 6 days ago
Wed, Jan 20 - Tue, Jan 26
ATL
Hartsfield-Jackson Atlanta Intl.
ORD
O'Hare Intl.
$108 Roundtrip, found 4 hours ago
$108
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Wed, Jan 20 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Tue, Jan 26, priced at $108 found 4 hours ago
Fri, Dec 4 - Sat, Dec 5
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$117 Roundtrip, found 3 days ago
$117
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Dec 4 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Sat, Dec 5, priced at $117 found 3 days ago
Thu, Dec 24 - Fri, Dec 25
DAL
Love Field
STL
Lambert-St. Louis Intl.
$117 Roundtrip, found 3 days ago
$117
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Dec 24 from Love Field to Lambert-St. Louis Intl., returning Fri, Dec 25, priced at $117 found 3 days ago
Sun, Dec 6 - Wed, Dec 9
ATL
Hartsfield-Jackson Atlanta Intl.
MDW
Midway Intl.
$118 Roundtrip, found 6 days ago
$118
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sun, Dec 6 from Hartsfield-Jackson Atlanta Intl. to Midway Intl., returning Wed, Dec 9, priced at $118 found 6 days ago
Tue, Nov 3 - Wed, Nov 11
DFW
Dallas-Fort Worth Intl.
MDW
Midway Intl.
$133 Roundtrip, found 6 days ago
$133
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, Nov 3 from Dallas-Fort Worth Intl. to Midway Intl., returning Wed, Nov 11, priced at $133 found 6 days ago
Sat, Jan 23 - Sat, Jan 23
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$138 Roundtrip, found 4 hours ago
$138
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sat, Jan 23 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Sat, Jan 23, priced at $138 found 4 hours ago
Tue, Nov 17 - Wed, Nov 18
DAL
Love Field
MDW
Midway Intl.
$190 Roundtrip, found 4 hours ago
$190
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Tue, Nov 17 from Love Field to Midway Intl., returning Wed, Nov 18, priced at $190 found 4 hours ago
OriginDestinationTravel DatesFlights From*
ATLChicagoDecember 2 to December 7$108
ATLMolineDecember 4 to December 11$325
ATLPeoriaJanuary 8 to January 10$339
ATLBloomingtonJanuary 8 to January 10$339
LGAPeoriaNovember 7 to November 14$345
ATLSavoyDecember 3 to December 9$365
LAXPeoriaDecember 26 to January 16$379
JFKSavoyNovember 12 to November 16$396
LAXBloomingtonDecember 5 to December 6$406
LAXSpringfieldNovember 23 to December 9$476
LAXEvansvilleDecember 29 to January 2$539
ATLSpringfieldJanuary 4 to January 6$862
PVGChicagoJanuary 21 to February 24$1,050
PVGChicagoNovember 10 to November 28$1,214
PVGSt. LouisDecember 15 to January 8$1,318
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLChicagoOctober 24 to October 28$238
EWRChicagoOctober 23 to October 25$286
DFWChicagoOctober 24 to October 31$331
DFWSt. LouisOctober 23 to October 26$333
LAXChicagoOctober 24 to October 27$346
LGAChicagoOctober 24 to October 26$365
LAXChicagoOctober 24 to November 4$375
LAXSt. LouisOctober 25 to October 28$440
EWRSt. LouisOctober 23 to October 25$511
LAXSpringfieldOctober 23 to October 25$554
DFWPeoriaOctober 23 to October 25$593
ATLChicagoOctober 25 to November 1$673
LAXEvansvilleOctober 23 to October 25$728
ATLSt. LouisOctober 24 to October 27$945
PEKChicagoOctober 25 to November 4$1,060
*Prices include taxes and fees

Best Illinois Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Holiday Inn Express Chicago - Magnificent Mile by IHG
2.5-star property

Holiday Inn Express Chicago - Magnificent Mile by IHG

Dec 22 - Dec 28

6 night stay

Dallas (DFW) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $661, price is now $451 per person
$451
per person
found 1 day ago
Level Chicago – Old Town
4.0-star property

Level Chicago – Old Town

Dec 22 - Dec 29

7 night stay

Dallas (DFW) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,332, price is now $826 per person
$826
per person
found 14 hours ago
Level Chicago Fulton Market
4.0-star property

Level Chicago Fulton Market

Dec 22 - Dec 29

7 night stay

Dallas (DFW) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,142, price is now $720 per person
$720
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
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.
8/10 Very Good! (2,530 reviews)
"The room was not clean I had to order cleaning supplies to clean the bathroom I mop the floor with a towel.."

Reviewed on Oct 19, 2026

Opens in a new windowThe Chicago Hotel Collection Ambassador Gold Coast
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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.
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 $52 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 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 $52 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 $52 and $1,318 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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