Cheap Flights to Illinois from $31 (2025/2026)

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Flights
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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.

Fri, Feb 13 - Sun, Feb 15
IAH
George Bush Intercontinental
MDW
Midway Intl.
$68 Roundtrip, found 4 hours ago
$68
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Feb 13 from George Bush Intercontinental to Midway Intl., returning Sun, Feb 15, priced at $68 found 4 hours ago
Fri, Jan 30 - Fri, Feb 6
IAH
George Bush Intercontinental
ORD
O'Hare Intl.
$68 Roundtrip, found 3 hours ago
$68
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Jan 30 from George Bush Intercontinental to O'Hare Intl., returning Fri, Feb 6, priced at $68 found 3 hours ago
Thu, Dec 4 - Sun, Dec 7
EWR
Newark Liberty Intl. Airport
MDW
Midway Intl.
$70 Roundtrip, found 17 hours ago
$70
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Newark Liberty Intl. Airport to Midway Intl., returning Sun, Dec 7, priced at $70 found 17 hours ago
Fri, Jan 30 - Sun, Feb 1
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$72 Roundtrip, just found
$72
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, Jan 30 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sun, Feb 1, priced at $72 just found
Sat, Jan 31 - Tue, Feb 3
EWR
Newark Liberty Intl. Airport
RFD
Greater Rockford
$157 Roundtrip, found 2 days ago
$157
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jan 31 from Newark Liberty Intl. Airport to Greater Rockford, returning Tue, Feb 3, priced at $157 found 2 days ago
Tue, Jan 6 - Thu, Jan 8
IAH
George Bush Intercontinental
RFD
Greater Rockford
$162 Roundtrip, found 1 day ago
$162
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jan 6 from George Bush Intercontinental to Greater Rockford, returning Thu, Jan 8, priced at $162 found 1 day ago
Thu, Dec 11 - Mon, Dec 15
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$172 Roundtrip, found 2 days ago
$172
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Mon, Dec 15, priced at $172 found 2 days ago
Thu, Jan 8 - Mon, Jan 12
IAH
George Bush Intercontinental
STL
Lambert-St. Louis Intl.
$172 Roundtrip, found 2 hours ago
$172
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Jan 8 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Mon, Jan 12, priced at $172 found 2 hours ago
OriginDestinationTravel DatesFlights From*
ATLSt. LouisJanuary 24 to January 31$80
LAXChicagoJanuary 29 to February 2$192
ATLPeoriaJanuary 1 to January 8$249
EWRSavoyFebruary 10 to February 14$318
ATLEvansvilleDecember 17 to December 29$319
LAXPeoriaDecember 25 to January 1$331
LAXEvansvilleJanuary 7 to January 21$379
ATLSpringfieldFebruary 6 to February 7$391
ATLMolineDecember 25 to January 2$399
ATLBloomingtonDecember 29 to January 9$399
LAXMolineDecember 26 to December 31$519
PEKSt. LouisFebruary 1 to February 26$1,211
PVGChicagoJanuary 15 to March 16$1,213
PVGSt. LouisJanuary 15 to January 21$1,285
PEKMolineDecember 14 to December 31$1,451
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLChicagoDecember 6 to December 9$59
ATLChicagoDecember 6 to December 9$76
JFKChicagoDecember 5 to December 8$94
LGARockfordDecember 5 to December 8$151
LAXChicagoDecember 6 to December 15$163
ATLSt. LouisDecember 7 to December 10$201
LAXSt. LouisDecember 6 to December 8$270
LAXChicagoDecember 5 to December 8$274
ATLRockfordDecember 6 to December 8$333
LAXPeoriaDecember 5 to December 7$412
LAXRockfordDecember 5 to December 7$456
LAXEvansvilleDecember 6 to December 17$490
DFWMolineDecember 6 to December 13$584
ATLMolineDecember 7 to December 16$584
ATLBloomingtonDecember 5 to December 7$597
*Prices include taxes and fees

Best Illinois Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
theWit Chicago, a Hilton Hotel
4.5-star property

theWit Chicago, a Hilton Hotel

Feb 5 - Feb 8

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Price was $428, price is now $178 per person
$178
per person
found 1 day ago
Chicago Marriott Suites O'Hare
4.0-star property

Chicago Marriott Suites O'Hare

Dec 25 - Dec 31

6 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Price was $599, price is now $267 per person
$267
per person
found 1 day ago
Hilton Grand Vacations Club Chicago Magnificent Mile
3.5-star property

Hilton Grand Vacations Club Chicago Magnificent Mile

Feb 5 - Feb 8

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Price was $421, price is now $188 per person
$188
per person
found 1 day ago
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Travelers ❤️ These Illinois 🏨

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! (5,313 reviews)
Hotel was so nice and the rooms were super clean and big

Reviewed on Nov 26, 2025

Opens in a new windowEmbassy Suites by Hilton Chicago Downtown River North
Hilton Chicago/Magnificent Mile Suites

Hilton Chicago/Magnificent Mile Suites

3.5 out of 5
198 E Delaware Pl Chicago IL
Book a stay at this business-friendly hotel in Chicago. Enjoy a fitness center, valet parking (surcharge), and a 24-hour front desk. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Michigan Avenue and Chicago Riverwalk are located nearby.
8.8/10 Excellent! (3,371 reviews)
Yes

Reviewed on Nov 25, 2025

Opens in a new windowHilton Chicago/Magnificent Mile Suites
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! (9,667 reviews)
Affordable and great location. Staff are great!!

Reviewed on Nov 28, 2025

Opens in a new windowCongress Plaza Hotel
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Palmer House a Hilton Hotel

Palmer House a Hilton Hotel

4 out of 5
17 E Monroe St Chicago IL
Book a stay at this luxury hotel in Chicago. Enjoy a full-service spa, breakfast (surcharge), and a 24-hour health club. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Millennium Park and Chicago Riverwalk are located nearby.
8.4/10 Very Good! (2,094 reviews)
Our room was ok, small but clean. Bed and sheets were very nice. Bathroom was very small. Not a lot of amenities in the room. The beauty of this hotel are the public areas, the lobby and its location in the loop. Nice place, just the rooms were so so. Pretty good food options in the hotel also.

Reviewed on Nov 25, 2025

Opens in a new windowPalmer House a Hilton Hotel
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 $59 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 February. 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 $59 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 $59 and $1,451 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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