Cheap Flights to Illinois from $30 (2025/2026)

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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.

Sun, Jan 18 - Sun, Jan 18
DEN
Denver Intl.
MDW
Midway Intl.
$63 Roundtrip, found 1 day ago
$63
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Jan 18 from Denver Intl. to Midway Intl., returning Sun, Jan 18, priced at $63 found 1 day ago
Tue, Dec 9 - Wed, Dec 10
LGA
LaGuardia
ORD
O'Hare Intl.
$63 Roundtrip, just found
$63
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, Dec 9 from LaGuardia to O'Hare Intl., returning Wed, Dec 10, priced at $63 just found
Tue, Dec 2 - Tue, Dec 9
EWR
Newark Liberty Intl. Airport
MDW
Midway Intl.
$68 Roundtrip, found 18 hours ago
$68
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Tue, Dec 2 from Newark Liberty Intl. Airport to Midway Intl., returning Tue, Dec 9, priced at $68 found 18 hours ago
Sat, Feb 7 - Mon, Feb 9
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$68 Roundtrip, found 3 hours ago
$68
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, Feb 7 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Feb 9, priced at $68 found 3 hours ago
Sun, Jan 11 - Fri, Jan 16
DEN
Denver Intl.
ORD
O'Hare Intl.
$68 Roundtrip, just found
$68
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Jan 11 from Denver Intl. to O'Hare Intl., returning Fri, Jan 16, priced at $68 just found
Fri, Feb 6 - Mon, Feb 9
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$86 Roundtrip, just found
$86
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, Feb 6 from Newark Liberty Intl. Airport to O'Hare Intl., returning Mon, Feb 9, priced at $86 just found
Thu, Feb 19 - Thu, Feb 26
LGA
LaGuardia
STL
Lambert-St. Louis Intl.
$120 Roundtrip, found 1 hour ago
$120
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Feb 19 from LaGuardia to Lambert-St. Louis Intl., returning Thu, Feb 26, priced at $120 found 1 hour ago
Mon, Jan 26 - Thu, Jan 29
LGA
LaGuardia
MDW
Midway Intl.
$120 Roundtrip, found 1 hour ago
$120
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Jan 26 from LaGuardia to Midway Intl., returning Thu, Jan 29, priced at $120 found 1 hour ago
Thu, Dec 11 - Thu, Dec 25
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$137 Roundtrip, found 5 hours ago
$137
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Thu, Dec 25, priced at $137 found 5 hours ago
Mon, Feb 2 - Thu, Feb 5
LGA
LaGuardia
RFD
Greater Rockford
$139 Roundtrip, found 3 hours ago
$139
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Feb 2 from LaGuardia to Greater Rockford, returning Thu, Feb 5, priced at $139 found 3 hours ago
Sat, Feb 7 - Sun, Feb 8
EWR
Newark Liberty Intl. Airport
RFD
Greater Rockford
$157 Roundtrip, found 3 hours ago
$157
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Feb 7 from Newark Liberty Intl. Airport to Greater Rockford, returning Sun, Feb 8, priced at $157 found 3 hours ago
OriginDestinationTravel DatesFlights From*
LAXMolineJanuary 16 to January 19$289
ATLEvansvilleNovember 27 to December 5$319
ATLPeoriaNovember 27 to December 3$325
LAXPeoriaDecember 16 to December 24$330
LAXSpringfieldJanuary 6 to January 20$337
ATLSavoyDecember 11 to December 16$343
ATLSpringfieldDecember 25 to December 26$398
ATLMolineDecember 10 to January 9$399
ATLBloomingtonJanuary 12 to January 22$399
LAXEvansvilleJanuary 16 to January 19$459
JFKSavoyNovember 28 to December 1$639
LAXBloomingtonDecember 22 to December 27$928
PVGSt. LouisFebruary 22 to February 24$994
PVGSavoyDecember 20 to January 5$1,293
PVGEvansvilleJanuary 22 to March 6$1,399
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLChicagoNovember 15 to November 27$167
ATLChicagoNovember 15 to November 17$222
LAXChicagoNovember 15 to November 19$230
LGASt. LouisNovember 14 to November 20$234
DFWSt. LouisNovember 15 to November 20$254
ATLSt. LouisNovember 15 to November 20$254
LAXChicagoNovember 16 to November 20$342
LAXSt. LouisNovember 14 to November 19$347
DFWPeoriaNovember 15 to December 3$432
LGASavoyNovember 14 to November 17$455
DFWSpringfieldNovember 14 to November 16$594
ATLMolineNovember 15 to November 16$629
ATLRockfordNovember 16 to November 18$688
LAXRockfordNovember 14 to November 16$757
PVGChicagoNovember 16 to December 1$1,118
*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

Jan 22 - Jan 26

4 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $377, price is now $173 per person
$173
per person
found 1 day ago
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Dec 4 - Dec 9

5 night stay

Atlanta (ATL) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach
Price was $892, price is now $370 per person
$370
per person
found 1 day ago
Pendry Chicago
4.5-star property

Pendry Chicago

Jan 13 - Jan 17

4 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Coach

Chicago (ORD) to Atlanta (ATL)

Southwest Airlines • Coach
Save 100% on your flight
Price was $626, price is now $319 per person
$319
per person
found 1 day ago
Don't see what you're looking for?
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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 4-star 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! (5,225 reviews)
Clean, good service. Restaurant bar was only open in the evenings.

Reviewed on Nov 9, 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! (3,248 reviews)
Room was fine. Check in was not good. Front desk not helpful

Reviewed on Nov 9, 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 free WiFi, 2 restaurants, and 2 bars/lounges. 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! (9,538 reviews)
a

Reviewed on Nov 8, 2025

Opens in a new windowCongress Plaza Hotel
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citizenM Chicago Downtown

citizenM Chicago Downtown

4 out of 5
80 East Wacker Place, Chicago, IL
Stay at this 4-star business-friendly hotel in Chicago. Enjoy free WiFi, breakfast (surcharge), and a fitness center. Our guests praise the breakfast and the bar in our reviews. Popular attractions Chicago Riverwalk and Millennium Park are located nearby.
9.2/10 Wonderful! (4,013 reviews)
fun features!

Reviewed on Nov 9, 2025

Opens in a new windowcitizenM Chicago Downtown
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 $63 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 January. 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 $63 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 $63 and $1,399 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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