Cheap Flights to Illinois from $28 (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.

Tue, Apr 14 - Wed, Apr 15
EWR
Newark Liberty Intl. Airport
MDW
Midway Intl.
$56 Roundtrip, found 2 days ago
$56
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Apr 14 from Newark Liberty Intl. Airport to Midway Intl., returning Wed, Apr 15, priced at $56 found 2 days ago
Tue, Apr 7 - Tue, Apr 14
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$59 Roundtrip, found 4 hours ago
$59
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Tue, Apr 7 from Newark Liberty Intl. Airport to O'Hare Intl., returning Tue, Apr 14, priced at $59 found 4 hours ago
Sat, May 2 - Sat, May 16
LAX
Los Angeles Intl.
ORD
O'Hare Intl.
$120 Roundtrip, found 1 day ago
$120
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, May 2 from Los Angeles Intl. to O'Hare Intl., returning Sat, May 16, priced at $120 found 1 day ago
Wed, Jun 3 - Thu, Jun 4
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$181 Roundtrip, found 3 days ago
$181
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Jun 3 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Thu, Jun 4, priced at $181 found 3 days ago
Sat, Apr 25 - Tue, Apr 28
EWR
Newark Liberty Intl. Airport
RFD
Greater Rockford
$182 Roundtrip, found 1 day ago
$182
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 $182 found 1 day ago
Tue, Apr 7 - Sat, Apr 11
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 Tue, Apr 7 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Sat, Apr 11, priced at $190 found 1 day ago
Fri, Apr 24 - Tue, Apr 28
LAX
Los Angeles Intl.
MDW
Midway Intl.
$190 Roundtrip, found 5 hours ago
$190
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Fri, Apr 24 from Los Angeles Intl. to Midway Intl., returning Tue, Apr 28, priced at $190 found 5 hours ago
Fri, Apr 24 - Sat, Apr 25
LAX
Los Angeles Intl.
RFD
Greater Rockford
$237 Roundtrip, found 3 days ago
$237
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Apr 24 from Los Angeles Intl. to Greater Rockford, returning Sat, Apr 25, priced at $237 found 3 days ago
OriginDestinationTravel DatesFlights From*
ATLChicagoApril 28 to April 29$56
ATLSt. LouisApril 29 to April 29$78
LAXRockfordApril 29 to May 2$224
EWRBloomingtonApril 21 to April 22$271
LAXSavoyMay 1 to May 4$326
LAXMolineMay 30 to June 4$329
LAXPeoriaMarch 31 to April 5$340
ATLPeoriaMay 30 to June 8$365
ATLMolineApril 6 to April 28$419
ATLBloomingtonMay 29 to June 7$419
DFWSpringfieldJune 12 to June 15$551
LAXEvansvilleApril 7 to April 10$673
PVGChicagoApril 15 to May 6$1,003
PVGSt. LouisApril 3 to August 28$1,055
PEKSt. LouisMarch 29 to April 29$1,158
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
EWRChicagoMarch 15 to April 14$124
ATLChicagoMarch 14 to March 18$171
ATLChicagoMarch 14 to March 16$214
ATLSt. LouisMarch 14 to March 17$301
LAXChicagoMarch 13 to April 25$355
ATLPeoriaMarch 13 to March 15$372
ATLRockfordMarch 14 to March 17$391
EWRPeoriaMarch 14 to March 24$399
LAXChicagoMarch 14 to March 18$419
LAXPeoriaMarch 14 to March 27$502
LAXBloomingtonMarch 14 to March 29$502
JFKSavoyMarch 14 to March 19$570
LAXSavoyMarch 14 to March 16$634
LAXMolineMarch 13 to March 15$637
PVGChicagoMarch 15 to March 19$1,438
*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 22 - May 25

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,163, price is now $652 per person
$652
per person
found 1 day ago
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Apr 20 - Apr 27

7 night stay

Atlanta (ATL) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach
Price was $1,722, price is now $884 per person
$884
per person
found 12 hours ago
LondonHouse Chicago, Curio Collection by Hilton
4.5-star property

LondonHouse Chicago, Curio Collection by Hilton

Jun 4 - Jun 8

4 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Coach

Chicago (ORD) to Atlanta (ATL)

Spirit Airlines • Coach
Price was $1,462, price is now $892 per person
$892
per person
found 1 day ago
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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! (9,938 reviews)
Good: Clean; friendly staff. Bad: hot water stopped working at some point; safe was not working; lightbulb kept flickering; ice machine was broken on the 10th floor

Reviewed on Mar 9, 2026

Opens in a new windowCongress Plaza Hotel
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! (5,744 reviews)
The breakfast menu was excellent. The hotel had a small pool and gym in a nice location. The room was clean and well-equipped with a refrigerator, coffee machine, and microwave. The bathroom was luxurious with Crab Tree The staff was friendly, and it was close to everything. However, there was no ...

Reviewed on Mar 9, 2026

Opens in a new windowEmbassy Suites by Hilton Chicago Downtown River North
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! (3,498 reviews)
Great location right off of Michigan Ave. They have a very good breakfast, that included almost everything you could want. It was very popular and packed with people. One negative, it felt like it was a cafeteria and not a relaxing place to sit down, relax and enjoy.

Reviewed on Mar 9, 2026

Opens in a new windowHotel Riu Plaza Chicago
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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! (3,902 reviews)
Yes everything was magnificent

Reviewed on Mar 10, 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 $56 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 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 $56 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 $56 and $1,438 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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