Cheap Flights to Illinois from $24 (2026/2027)

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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.

Sat, Apr 25 - Sat, May 2
MCO
Orlando Intl.
MDW
Midway Intl.
$46 Roundtrip, found 12 hours ago
$46
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Sat, Apr 25 from Orlando Intl. to Midway Intl., returning Sat, May 2, priced at $46 found 12 hours ago
Sat, Mar 7 - Tue, Mar 10
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$53 Roundtrip, just found
$53
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, Mar 7 from Newark Liberty Intl. Airport to O'Hare Intl., returning Tue, Mar 10, priced at $53 just found
Thu, Apr 16 - Sun, Apr 19
EWR
Newark Liberty Intl. Airport
MDW
Midway Intl.
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Apr 16 from Newark Liberty Intl. Airport to Midway Intl., returning Sun, Apr 19, priced at $56 just found
Sat, May 2 - Sat, May 9
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$56 Roundtrip, found 19 hours ago
$56
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Sat, May 2 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, May 9, priced at $56 found 19 hours ago
Sat, Feb 28 - Sat, Feb 28
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$66 Roundtrip, found 6 days ago
$66
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sat, Feb 28 from Orlando Intl. to Lambert-St. Louis Intl., returning Sat, Feb 28, priced at $66 found 6 days ago
Tue, Mar 10 - Tue, Mar 10
LGA
LaGuardia
ORD
O'Hare Intl.
$67 Roundtrip, just found
$67
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, Mar 10 from LaGuardia to O'Hare Intl., returning Tue, Mar 10, priced at $67 just found
Fri, Apr 24 - Tue, Apr 28
LGA
LaGuardia
MDW
Midway Intl.
$137 Roundtrip, found 5 days ago
$137
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Fri, Apr 24 from LaGuardia to Midway Intl., returning Tue, Apr 28, priced at $137 found 5 days ago
Sat, Apr 18 - Sat, Apr 25
LGA
LaGuardia
RFD
Greater Rockford
$139 Roundtrip, found 4 days ago
$139
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Apr 18 from LaGuardia to Greater Rockford, returning Sat, Apr 25, priced at $139 found 4 days ago
Wed, Mar 4 - Wed, Mar 11
LGA
LaGuardia
STL
Lambert-St. Louis Intl.
$146 Roundtrip, found 3 days ago
$146
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Mar 4 from LaGuardia to Lambert-St. Louis Intl., returning Wed, Mar 11, priced at $146 found 3 days ago
Sat, Apr 25 - Tue, Apr 28
EWR
Newark Liberty Intl. Airport
RFD
Greater Rockford
$148 Roundtrip, found 1 day ago
$148
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Apr 25 from Newark Liberty Intl. Airport to Greater Rockford, returning Tue, Apr 28, priced at $148 found 1 day ago
Tue, Mar 3 - Wed, Mar 11
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$157 Roundtrip, found 4 days ago
$157
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, Mar 3 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Wed, Mar 11, priced at $157 found 4 days ago
OriginDestinationTravel DatesFlights From*
LAXRockfordApril 21 to April 25$197
ATLPeoriaMarch 7 to March 24$268
LAXPeoriaMay 15 to May 16$303
LAXBloomingtonApril 13 to May 1$309
LAXMolineApril 14 to April 19$309
LAXEvansvilleApril 21 to May 5$379
ATLMolineApril 16 to April 20$399
ATLSpringfieldMarch 27 to March 29$400
ATLBloomingtonMarch 11 to March 23$409
ATLSavoyMarch 28 to April 6$427
EWRSpringfieldMarch 28 to March 31$457
LAXSavoyMarch 27 to March 28$577
PVGSt. LouisMarch 30 to April 9$1,186
PVGChicagoMarch 23 to March 24$1,270
PEKChicagoMarch 7 to August 7$1,374
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLChicagoFebruary 20 to February 23$118
ATLSt. LouisFebruary 21 to February 25$178
LAXChicagoFebruary 21 to February 23$214
LAXChicagoFebruary 20 to February 27$235
LAXSt. LouisFebruary 21 to February 28$281
JFKBloomingtonFebruary 21 to March 2$286
ATLPeoriaFebruary 21 to February 24$317
ATLEvansvilleFebruary 20 to March 2$410
ATLBloomingtonFebruary 21 to February 25$559
LAXEvansvilleFebruary 21 to March 13$575
LAXRockfordFebruary 20 to February 20$620
ATLMolineFebruary 20 to February 23$627
DFWMolineFebruary 22 to March 6$627
LAXMolineFebruary 21 to February 21$800
PVGChicagoFebruary 22 to April 8$1,247
*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

Mar 19 - Mar 23

4 night stay

Atlanta (ATL) to St. Louis (STL)

Delta • Coach

St. Louis (STL) to Atlanta (ATL)

Frontier Airlines • Coach
Save 100% on your flight
Price was $819, price is now $483 per person
$483
per person
found 1 day ago
Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

May 4 - May 9

5 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Coach

Chicago (ORD) to Atlanta (ATL)

Spirit Airlines • Coach
Price was $1,348, price is now $812 per person
$812
per person
found 1 day ago
La Banque Hotel
4.0-star property

La Banque Hotel

May 4 - May 9

5 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Coach

Chicago (ORD) to Atlanta (ATL)

Spirit Airlines • Coach
Price was $834, price is now $538 per person
$538
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 Millennium Park and Chicago Riverwalk are located nearby.
8/10 Very Good! (9,867 reviews)
Great location, beautiful historic hotel with clean, updated rooms.

Reviewed on Feb 11, 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.
9.2/10 Wonderful! (3,323 reviews)
Friendly staff, tasteful room

Reviewed on Feb 11, 2026

Opens in a new windowHotel Riu Plaza Chicago
Embassy Suites by Hilton Chicago Downtown River North

Embassy Suites by Hilton Chicago Downtown River North

4 out of 5
600 N State St Chicago IL
Stay at this hotel in Chicago. Enjoy free breakfast, room service, and a fitness center. Our guests praise the breakfast and the pool in our reviews. Popular attractions Michigan Avenue and Chicago Riverwalk are located nearby.
8.4/10 Very Good! (5,647 reviews)
Staff was great! Rooms were good. It was very noisy and the elevators were a nightmare at all times.

Reviewed on Feb 9, 2026

Opens in a new windowEmbassy Suites by Hilton Chicago Downtown River North
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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 Millennium Park and Soldier Field are located nearby.
8.4/10 Very Good! (2,613 reviews)
Outdated rooms and our heater stopped working overnight and the temp fell to 60's which felt freezing given it was zero outside with snow flurries But Matt the maintenance guy came quickly at 6 am thankfully and got it back up and running. Other than that, a truly beautiful hotel and the restaurant ...

Reviewed on Feb 8, 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 $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 20 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 April. 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 $1,374 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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