Cheap Flights to Illinois from $30 (2026/2027)

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Chicago

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, Oct 28 - Wed, Oct 28
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$61 Roundtrip, found 2 days ago
$61
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Oct 28 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Oct 28, priced at $61 found 2 days ago
Tue, Aug 11 - Tue, Aug 11
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$105 Roundtrip, found 2 days ago
$105
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Aug 11 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Aug 11, priced at $105 found 2 days ago
Wed, Jul 22 - Wed, Jul 22
ATL
Hartsfield-Jackson Atlanta Intl.
ORD
O'Hare Intl.
$142 Roundtrip, found 2 days ago
$142
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Jul 22 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Wed, Jul 22, priced at $142 found 2 days ago
Wed, Oct 21 - Sat, Oct 24
DFW
Dallas-Fort Worth Intl.
MDW
Midway Intl.
$148 Roundtrip, found 3 days ago
$148
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Oct 21 from Dallas-Fort Worth Intl. to Midway Intl., returning Sat, Oct 24, priced at $148 found 3 days ago
Thu, Sep 24 - Tue, Sep 29
ATL
Hartsfield-Jackson Atlanta Intl.
MDW
Midway Intl.
$148 Roundtrip, found 3 days ago
$148
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Sep 24 from Hartsfield-Jackson Atlanta Intl. to Midway Intl., returning Tue, Sep 29, priced at $148 found 3 days ago
Sat, Oct 17 - Sat, Oct 17
JFK
John F. Kennedy Intl.
ORD
O'Hare Intl.
$166 Roundtrip, found 2 days ago
$166
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Sat, Oct 17 from John F. Kennedy Intl. to O'Hare Intl., returning Sat, Oct 17, priced at $166 found 2 days ago
Wed, Oct 14 - Sat, Oct 17
JFK
John F. Kennedy Intl.
RFD
Greater Rockford
$170 Roundtrip, found 3 days ago
$170
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Oct 14 from John F. Kennedy Intl. to Greater Rockford, returning Sat, Oct 17, priced at $170 found 3 days ago
Sat, Oct 17 - Tue, Oct 20
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$182 Roundtrip, found 12 hours ago
$182
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Sat, Oct 17 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Tue, Oct 20, priced at $182 found 12 hours ago
Fri, Sep 4 - Tue, Sep 8
DAL
Love Field
STL
Lambert-St. Louis Intl.
$217 Roundtrip, found 4 days ago
$217
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Fri, Sep 4 from Love Field to Lambert-St. Louis Intl., returning Tue, Sep 8, priced at $217 found 4 days ago
Wed, Oct 14 - Sat, Oct 17
DAL
Love Field
MDW
Midway Intl.
$265 Roundtrip, found 5 days ago
$265
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Wed, Oct 14 from Love Field to Midway Intl., returning Sat, Oct 17, priced at $265 found 5 days ago
Wed, Dec 9 - Sat, Dec 12
DFW
Dallas-Fort Worth Intl.
RFD
Greater Rockford
$270 Roundtrip, found 3 days ago
$270
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Dec 9 from Dallas-Fort Worth Intl. to Greater Rockford, returning Sat, Dec 12, priced at $270 found 3 days ago
OriginDestinationTravel DatesFlights From*
ATLEvansvilleAugust 2 to August 10$265
ATLPeoriaSeptember 10 to September 15$309
LAXMolineAugust 3 to August 10$357
LGASavoyAugust 13 to August 17$407
ATLSpringfieldAugust 13 to August 17$411
EWRPeoriaAugust 21 to August 23$433
LGAEvansvilleAugust 20 to August 23$457
DFWEvansvilleAugust 8 to August 23$495
LAXSpringfieldSeptember 3 to September 7$638
PVGSt. LouisOctober 12 to October 20$1,072
PVGEvansvilleOctober 2 to January 27$1,097
PVGPeoriaOctober 16 to October 18$1,110
PVGChicagoSeptember 10 to September 16$1,172
PVGChicagoSeptember 7 to March 3$1,196
PVGBloomingtonSeptember 4 to February 20$1,667
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLChicagoJuly 11 to August 6$214
DFWChicagoJuly 11 to July 14$238
DFWChicagoJuly 11 to July 14$238
ATLChicagoJuly 11 to July 12$276
JFKRockfordJuly 11 to July 14$332
ATLSt. LouisJuly 12 to July 17$339
LAXChicagoJuly 11 to July 24$365
LAXSt. LouisJuly 10 to July 13$382
EWRSt. LouisJuly 10 to July 12$386
ATLRockfordJuly 10 to July 12$437
LAXRockfordJuly 11 to July 16$478
LAXChicagoJuly 10 to July 14$480
DFWPeoriaJuly 10 to July 12$672
PVGChicagoJuly 10 to July 29$1,413
PEKChicagoJuly 11 to July 15$1,581
*Prices include taxes and fees

Best Illinois Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Oct 1 - Oct 4

3 night stay

Atlanta (ATL) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach
Price was $614, price is now $287 per person
$287
per person
found 17 hours ago
Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

Sep 17 - Sep 21

4 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,497, price is now $886 per person
$886
per person
found 1 day ago
Level Chicago - River North
4.0-star property

Level Chicago - River North

Jul 19 - Jul 22

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $2,576, price is now $1,620 per person
$1,620
per person
found 5 hours ago
Don't see what you're looking for?
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Travelers ❤️ These Illinois 🏨

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! (1,689 reviews)
"We like our room, very clean and spacious"

Reviewed on Jul 4, 2026

Opens in a new windowThe Chicago Hotel Collection Ambassador Gold Coast
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! (10,157 reviews)
"Great location- good price for a holiday weekend"

Reviewed on Jul 4, 2026

Opens in a new windowCongress Plaza Hotel
Omni Chicago Hotel

Omni Chicago Hotel

4.5 out of 5
676 N Michigan Ave Chicago IL
Book a stay at this luxury hotel in Chicago. Enjoy free WiFi, breakfast (surcharge), and a 24-hour fitness center. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions Michigan Avenue and Chicago Riverwalk are located nearby.
9.2/10 Wonderful! (1,846 reviews)
"Great staff"

Reviewed on Jul 5, 2026

Opens in a new windowOmni Chicago Hotel
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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 Allstate Arena and Rosemont Theatre are located nearby.
8.8/10 Excellent! (2,773 reviews)
"The staff were so kind and friendly."

Reviewed on Jul 4, 2026

Opens in a new windowHyatt Regency O'Hare Chicago
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 $61 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 October. 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 $61 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 $61 and $1,667 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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