Cheap Flights to Illinois from $19 (2026/2027)| Travelocity

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Chicago

Flights

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 8 hours ago

Wed, Oct 14 - Wed, Oct 28

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$64

Roundtrip

found 10 hours ago

Wed, Dec 2 - Tue, Dec 8

ATL

Hartsfield-Jackson Atlanta Intl.

MDW

Midway Intl.

$84

Roundtrip

found 12 hours ago

Tue, Dec 1 - Tue, Dec 1

ATL

Hartsfield-Jackson Atlanta Intl.

STL

Lambert-St. Louis Intl.

$117

Roundtrip

found 1 day ago

Sat, Oct 24 - Sat, Oct 31

ATL

Hartsfield-Jackson Atlanta Intl.

STL

Lambert-St. Louis Intl.

$232

Roundtrip

found 3 days ago

Thu, Sep 24 - Mon, Sep 28

ATL

Hartsfield-Jackson Atlanta Intl.

RFD

Greater Rockford

$236

Roundtrip

found 3 days ago

Thu, Sep 24 - Sun, Sep 27

ATL

Hartsfield-Jackson Atlanta Intl.

STL

Lambert-St. Louis Intl.

$277

Roundtrip

found 23 hours ago

Wed, Dec 9 - Wed, Dec 16

ATL

Hartsfield-Jackson Atlanta Intl.

EVV

Evansville Regional

$279

Roundtrip

found 8 hours ago

Origin	Destination	Travel Dates	Flights From*
LAX	Rockford	September 24 to September 29	$260
ATL	Evansville	December 8 to December 15	$279
ATL	Peoria	November 13 to November 15	$319
ATL	Moline	November 6 to November 8	$319
LAX	Moline	November 13 to November 15	$359
LAX	Peoria	September 30 to October 3	$359
ATL	Bloomington	September 24 to October 19	$389
LAX	Evansville	October 21 to October 24	$435
LAX	Bloomington	September 23 to September 27	$458
DFW	Springfield	October 1 to October 4	$596
LAX	Springfield	September 21 to September 22	$890
PVG	Chicago	December 7 to April 30	$1,039
PVG	St. Louis	November 5 to November 9	$1,090
PVG	Savoy	December 8 to December 25	$1,647
PVG	Bloomington	October 14 to October 18	$1,679

*Prices include taxes and fees

Origin	Destination	Travel Dates	Flights From*
ATL	Chicago	September 12 to September 15	$240
LGA	Chicago	September 12 to September 16	$304
DFW	Chicago	September 11 to September 14	$306
ATL	Chicago	September 13 to September 15	$314
ATL	St. Louis	September 11 to September 13	$324
LAX	Rockford	September 11 to September 14	$325
ATL	Bloomington	September 12 to October 6	$356
LAX	Chicago	September 12 to September 16	$356
LAX	Chicago	September 13 to September 16	$385
LAX	St. Louis	September 13 to September 15	$395
ATL	Peoria	September 11 to September 14	$414
LAX	Savoy	September 11 to September 14	$527
ATL	Springfield	September 11 to September 14	$657
PEK	Chicago	September 11 to October 3	$1,206
PVG	Chicago	September 11 to September 21	$1,207

*Prices include taxes and fees

Best Illinois Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.

3.5-star property

The Wildwood Hotel

Sep 30 - Oct 5

5 night stay

Atlanta (ATL) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach

$402

per person

found 1 day ago

3.0-star property

Residence Inn by Marriott St. Louis West County

Sep 30 - Oct 5

5 night stay

Atlanta (ATL) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach

Save 100% on your flight

$468

per person

found 1 day ago

4.0-star property

Hotel Riu Plaza Chicago

Oct 28 - Nov 3

6 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach

Save 100% on your flight

$908

per person

found 1 day ago

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See all available trips from Atlanta to Illinois

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Travelers ❤️ These Illinois 🏨

Congress Plaza Hotel

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! (10,298 reviews)

"The hotel was nicely maintained. My only issue was that the beds are hard as a rock. The pillows are great. The bathroom door kept sticking, because they put too many coats of paint on it. It was updated nicely."

Reviewed on Sep 7, 2026

The Chicago Hotel Collection Ambassador Gold Coast

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! (2,173 reviews)

"Easy process to check in and out! Our stay was very enjoyable and the location was excellent!"

Reviewed on Sep 7, 2026

Kasa Magnificent Mile Chicago

One Superior Place Chicago IL

Stay at this aparthotel in Chicago. Enjoy free WiFi, a fitness center, and parking (surcharge). Our guests praise the helpful staff in our reviews. Popular attractions Michigan Avenue and Chicago Riverwalk are located nearby.

9.4/10 Exceptional! (888 reviews)

"We thoroughly enjoyed our stay at Kasa- check in instructions were clear and hassle free. The unit was spacious and clean, with a terrific view. Highly recommended!"

Reviewed on Sep 4, 2026

Save an average of 15% on thousands of hotels when you're signed in

River Hotel

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! (5,414 reviews)

"Not a clean room and the size is very small."

Reviewed on Sep 7, 2026

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.

More Ways To Wander Illinois

Illinois Hotels

Find the perfect hotel after your flight

Illinois Vacation Rentals

Great Deals on alternative accommodations

Illinois Car Rentals

Affordable cars to get you around town

Illinois Vacations

Save more by combining flights, hotels and cars

Things to do in Illinois

Activities, attractions and tours

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 $1,679 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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Cheap Flights to Illinois from $19 (2026/2027)

Travelers

Jet to one of Illinois's top cities

Chicago

Galena

Springfield

Champaign

Rockford

Joliet

How Much Does it Cost To Fly To Illinois?

Best Illinois Flight and Hotel Packages

The Wildwood Hotel

Sep 30 - Oct 5

Atlanta (ATL) to St. Louis (STL)

Residence Inn by Marriott St. Louis West County

Sep 30 - Oct 5

Atlanta (ATL) to St. Louis (STL)

Hotel Riu Plaza Chicago

Oct 28 - Nov 3

Atlanta (ATL) to Chicago (ORD)

Travelers ❤️ These Illinois 🏨

Congress Plaza Hotel

The Chicago Hotel Collection Ambassador Gold Coast

Kasa Magnificent Mile Chicago

River Hotel

More Ways To Wander Illinois

Frequently asked questions

Explore More Ways to Travel with Travelocity