Cheap Flights to Illinois from $29 (2026/2027)

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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.

Sat, Apr 25 - Sat, May 2
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$57 Roundtrip, found 5 days ago
$57
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sat, Apr 25 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, May 2, priced at $57 found 5 days ago
Thu, Apr 30 - Sun, May 3
MCO
Orlando Intl.
MDW
Midway Intl.
$66 Roundtrip, found 6 days ago
$66
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Apr 30 from Orlando Intl. to Midway Intl., returning Sun, May 3, priced at $66 found 6 days ago
Sat, May 9 - Sun, May 10
MCO
Orlando Intl.
ORD
O'Hare Intl.
$78 Roundtrip, found 1 day ago
$78
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, May 9 from Orlando Intl. to O'Hare Intl., returning Sun, May 10, priced at $78 found 1 day ago
Tue, Apr 14 - Wed, Apr 15
LAX
Los Angeles Intl.
ORD
O'Hare Intl.
$106 Roundtrip, found 5 hours ago
$106
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Tue, Apr 14 from Los Angeles Intl. to O'Hare Intl., returning Wed, Apr 15, priced at $106 found 5 hours ago
Wed, Apr 22 - Wed, Apr 29
LAX
Los Angeles Intl.
ORD
O'Hare Intl.
$130 Roundtrip, just found
$130
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, Apr 22 from Los Angeles Intl. to O'Hare Intl., returning Wed, Apr 29, priced at $130 just found
Wed, Jun 3 - Thu, Jun 4
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$190 Roundtrip, found 1 day ago
$190
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Jun 3 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Thu, Jun 4, priced at $190 found 1 day ago
Fri, Apr 24 - Sun, Apr 26
LAX
Los Angeles Intl.
MDW
Midway Intl.
$190 Roundtrip, found 3 hours ago
$190
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Apr 24 from Los Angeles Intl. to Midway Intl., returning Sun, Apr 26, priced at $190 found 3 hours ago
Sat, Apr 18 - Tue, Apr 21
LAX
Los Angeles Intl.
MDW
Midway Intl.
$197 Roundtrip, found 2 days ago
$197
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Sat, Apr 18 from Los Angeles Intl. to Midway Intl., returning Tue, Apr 21, priced at $197 found 2 days ago
Wed, Apr 22 - Wed, Apr 22
LAX
Los Angeles Intl.
ORD
O'Hare Intl.
$217 Roundtrip, found 17 hours ago
$217
Roundtrip
found 17 hours ago
Select United flight, departing Wed, Apr 22 from Los Angeles Intl. to O'Hare Intl., returning Wed, Apr 22, priced at $217 found 17 hours ago
Wed, Apr 22 - Wed, Apr 22
LAX
Los Angeles Intl.
ORD
O'Hare Intl.
$217 Roundtrip, found 17 hours ago
$217
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Wed, Apr 22 from Los Angeles Intl. to O'Hare Intl., returning Wed, Apr 22, priced at $217 found 17 hours ago
Wed, Apr 22 - Wed, Apr 22
LAX
Los Angeles Intl.
ORD
O'Hare Intl.
$236 Roundtrip, found 17 hours ago
$236
Roundtrip
found 17 hours ago
Select Delta flight, departing Wed, Apr 22 from Los Angeles Intl. to O'Hare Intl., returning Wed, Apr 22, priced at $236 found 17 hours ago
OriginDestinationTravel DatesFlights From*
LGAMolineMay 20 to May 27$191
LAXRockfordApril 24 to April 25$237
DFWSpringfieldApril 6 to April 13$305
LAXMolineApril 22 to April 28$316
DFWPeoriaApril 7 to April 11$325
ATLPeoriaMay 30 to June 8$365
ATLBloomingtonJune 6 to June 16$399
DFWBloomingtonApril 17 to April 19$402
ATLMolineMarch 23 to April 1$419
LAXEvansvilleMay 21 to May 26$439
DFWSavoyMarch 27 to March 28$445
ATLEvansvilleMarch 23 to March 25$588
PEKSt. LouisApril 9 to April 15$994
PVGSt. LouisApril 20 to April 26$1,176
PVGSavoyMay 2 to May 21$1,653
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
EWRChicagoMarch 15 to March 19$128
ATLChicagoMarch 14 to March 18$152
ATLChicagoMarch 14 to March 18$159
ATLSt. LouisMarch 14 to March 31$193
DFWChicagoMarch 14 to March 17$265
LAXChicagoMarch 14 to March 25$327
LAXChicagoMarch 15 to March 17$332
ATLPeoriaMarch 14 to March 24$335
LAXRockfordMarch 13 to March 17$413
DFWPeoriaMarch 14 to March 25$465
LAXSt. LouisMarch 13 to March 14$470
LAXPeoriaMarch 13 to March 25$481
LAXBloomingtonMarch 14 to March 29$502
LAXSavoyMarch 15 to March 18$804
PVGChicagoMarch 13 to September 14$1,010
*Prices include taxes and fees

Best Illinois Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

May 11 - May 14

3 night stay

Atlanta (ATL) to Chicago (ORD)

Spirit Airlines • Roundtrip • Coach
Price was $677, price is now $331 per person
$331
per person
found 1 day ago
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Apr 21 - Apr 24

3 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 $946, price is now $476 per person
$476
per person
found 1 day ago
Pendry Chicago
4.5-star property

Pendry Chicago

May 11 - May 14

3 night stay

Atlanta (ATL) to Chicago (ORD)

Spirit Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $818, price is now $470 per person
$470
per person
found 1 day ago
Don't see what you're looking for?
See all available trips from Atlanta to Illinois
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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.
8/10 Very Good! (9,917 reviews)
Fantastic Location! Friendly staff, lots of history. Central Heating during the winter, so you’ll have to open a window to avoid getting toasted. Overall great bang for your buck and right next to several transportation options!

Reviewed on Mar 5, 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.
9.4/10 Exceptional! (3,461 reviews)
Just a block off of Michigan Avenue made this hotel a great location for shops food and people watching! Great selection of breakfast buffet. Stayed 2nd time staying at this hotel. Will continue to stay here when we’re in Chicago. No valet parking though but parking garage is just around the corner ...

Reviewed on Mar 5, 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.
8.6/10 Excellent! (5,716 reviews)
Old property bad food long lines

Reviewed on Mar 5, 2026

Opens in a new windowEmbassy Suites by Hilton Chicago Downtown River North
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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.
9/10 Wonderful! (3,876 reviews)
Handy convenience store with an astonishing selection of wine opposite.

Reviewed on Mar 6, 2026

Opens in a new windowHilton Chicago/Magnificent Mile Suites
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 $57 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 $57 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 $57 and $1,653 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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