Cheap Flights to Illinois from $38 (2026/2027)

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Flights
Chicago

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.

Wed, Aug 19 - Sat, Aug 22
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$72 Roundtrip, found 6 days ago
$72
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Aug 19 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Aug 22, priced at $72 found 6 days ago
Tue, Aug 4 - Tue, Aug 4
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$89 Roundtrip, found 5 days ago
$89
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Tue, Aug 4 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Aug 4, priced at $89 found 5 days ago
Tue, Aug 11 - Sat, Aug 15
DFW
Dallas-Fort Worth Intl.
MDW
Midway Intl.
$97 Roundtrip, found 5 days ago
$97
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Tue, Aug 11 from Dallas-Fort Worth Intl. to Midway Intl., returning Sat, Aug 15, priced at $97 found 5 days ago
Thu, Oct 22 - Sat, Oct 24
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$102 Roundtrip, found 20 hours ago
$102
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Thu, Oct 22 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Sat, Oct 24, priced at $102 found 20 hours ago
Mon, Oct 12 - Tue, Oct 13
ATL
Hartsfield-Jackson Atlanta Intl.
MDW
Midway Intl.
$108 Roundtrip, found 2 days ago
$108
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Oct 12 from Hartsfield-Jackson Atlanta Intl. to Midway Intl., returning Tue, Oct 13, priced at $108 found 2 days ago
Mon, Sep 14 - Mon, Sep 14
ATL
Hartsfield-Jackson Atlanta Intl.
ORD
O'Hare Intl.
$108 Roundtrip, found 9 hours ago
$108
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Mon, Sep 14 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Mon, Sep 14, priced at $108 found 9 hours ago
Tue, Aug 11 - Wed, Aug 12
DAL
Love Field
ORD
O'Hare Intl.
$179 Roundtrip, found 6 days ago
$179
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Aug 11 from Love Field to O'Hare Intl., returning Wed, Aug 12, priced at $179 found 6 days ago
Mon, Aug 24 - Sat, Aug 29
DFW
Dallas-Fort Worth Intl.
RFD
Greater Rockford
$190 Roundtrip, found 6 days ago
$190
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Aug 24 from Dallas-Fort Worth Intl. to Greater Rockford, returning Sat, Aug 29, priced at $190 found 6 days ago
OriginDestinationTravel DatesFlights From*
ATLBloomingtonSeptember 24 to September 28$339
LAXMolineSeptember 5 to September 12$349
LAXPeoriaAugust 27 to August 31$349
ATLSavoyAugust 28 to August 30$372
ATLPeoriaJuly 9 to July 19$392
DFWPeoriaJuly 16 to July 18$402
LGASavoyJuly 16 to July 21$428
LAXBloomingtonJuly 4 to July 7$439
LGASpringfieldJuly 14 to July 19$464
ATLEvansvilleAugust 4 to August 6$468
LAXSavoyAugust 6 to August 11$475
ATLMolineJuly 8 to July 9$672
PVGSt. LouisSeptember 1 to February 21$1,326
PVGBloomingtonSeptember 4 to February 20$1,434
PVGChicagoSeptember 7 to March 3$7,318
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLChicagoJune 20 to June 30$166
DFWChicagoJune 21 to July 3$239
ATLSt. LouisJune 21 to July 29$259
DFWChicagoJune 21 to June 23$268
ATLChicagoJune 21 to June 28$309
LGAChicagoJune 21 to June 23$341
DFWSt. LouisJune 20 to June 21$346
LGAMolineJune 20 to June 27$348
LAXChicagoJune 21 to June 23$348
LAXSt. LouisJune 20 to June 21$370
ATLRockfordJune 20 to June 22$396
ATLMolineJune 20 to June 23$611
LAXPeoriaJune 21 to June 21$1,015
PEKSt. LouisJune 20 to June 27$1,548
PVGChicagoJune 21 to July 2$1,560
*Prices include taxes and fees

Best Illinois Flight and Hotel Packages

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

Arlo Chicago

Aug 13 - Aug 16

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,158, price is now $681 per person
$681
per person
found 1 day ago
Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

Jul 26 - Jul 31

5 night stay

Atlanta (ATL) to Chicago (ORD)

Delta • Coach

Chicago (ORD) to Atlanta (ATL)

Frontier Airlines • Coach
Save 100% on your flight
Price was $1,650, price is now $881 per person
$881
per person
found 1 day ago
Swissotel - Chicago
4.5-star property

Swissotel - Chicago

Jul 26 - Jul 31

5 night stay

Atlanta (ATL) to Chicago (ORD)

Delta • Coach

Chicago (ORD) to Atlanta (ATL)

Frontier Airlines • Coach
Save 100% on your flight
Price was $1,292, price is now $719 per person
$719
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 Grant Park and Art Institute of Chicago are located nearby.
8/10 Very Good! (10,297 reviews)
"We were very pleased with our stay at Congress Plaza Hotel. Location was perfect for sightseeing. Many restaurant choices within walking distance. Our room had a beautiful view of Buckingham Fountain and Lake Michigan. Staff was friendly and helpful. Would definitely stay here again."

Reviewed on Jun 18, 2026

Opens in a new windowCongress Plaza Hotel
Hyatt Regency O'Hare Chicago

Hyatt Regency O'Hare Chicago

4 out of 5
9300 Bryn Mawr Ave Rosemont IL
Book a stay at this business-friendly hotel in Rosemont. Enjoy free WiFi, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Rosemont Theatre and Allstate Arena are located nearby.
8.8/10 Excellent! (2,688 reviews)
"Hotel main trash service pickup was directly below my room window and was extremely loud when unloading and loading rolloff dumpsters at 4am. No way to sleep through the noise. Shuttle service was very good to and from the airport. Toilet clogged after one use with no plunger available. Remodeling ..."

Reviewed on Jun 17, 2026

Opens in a new windowHyatt Regency O'Hare Chicago
The Chicago Hotel Collection - Magnificent Mile

The Chicago Hotel Collection - Magnificent Mile

4 out of 5
166 E Superior Street Chicago IL
Book a stay at this boutique 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 Michigan Avenue and Chicago Riverwalk are located nearby.
7.8/10 Good! (1,589 reviews)
"Beautiful room, clean, nice staff"

Reviewed on Jun 18, 2026

Opens in a new windowThe Chicago Hotel Collection - Magnificent Mile
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The Chicago Hotel Collection Ambassador Gold Coast

The Chicago Hotel Collection Ambassador Gold Coast

4 out of 5
1301 N State Pkwy Chicago IL
Book a stay at this business-friendly hotel in Chicago. Enjoy free WiFi, a 24-hour fitness center, and valet parking (surcharge). Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Michigan Avenue and Chicago Riverwalk are located nearby.
8.2/10 Very Good! (1,607 reviews)
"Lovely stay, no issues. Tile paint peeling off in the bathroom but otherwise it was fine."

Reviewed on Jun 17, 2026

Opens in a new windowThe Chicago Hotel Collection Ambassador Gold Coast
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 $72 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 August. 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 $72 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 $72 and $7,318 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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