Cheap Flights to Illinois from $36 (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.

Tue, Jun 9 - Tue, Jun 9
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$63 Roundtrip, found 6 days ago
$63
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, Jun 9 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Jun 9, priced at $63 found 6 days ago
Tue, May 5 - Wed, May 6
DFW
Dallas-Fort Worth Intl.
MDW
Midway Intl.
$70 Roundtrip, found 2 days ago
$70
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, May 5 from Dallas-Fort Worth Intl. to Midway Intl., returning Wed, May 6, priced at $70 found 2 days ago
Tue, Apr 21 - Tue, Apr 28
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$72 Roundtrip, found 2 hours ago
$72
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, Apr 21 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Tue, Apr 28, priced at $72 found 2 hours ago
Sat, May 16 - Tue, May 19
DFW
Dallas-Fort Worth Intl.
RFD
Greater Rockford
$174 Roundtrip, found 5 days ago
$174
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, May 16 from Dallas-Fort Worth Intl. to Greater Rockford, returning Tue, May 19, priced at $174 found 5 days ago
Sat, May 16 - Tue, May 19
DAL
Love Field
MDW
Midway Intl.
$175 Roundtrip, found 5 days ago
$175
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sat, May 16 from Love Field to Midway Intl., returning Tue, May 19, priced at $175 found 5 days ago
Tue, Jun 2 - Mon, Jun 8
DAL
Love Field
ORD
O'Hare Intl.
$198 Roundtrip, found 5 days ago
$198
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Jun 2 from Love Field to O'Hare Intl., returning Mon, Jun 8, priced at $198 found 5 days ago
Thu, May 21 - Sat, May 23
DAL
Love Field
STL
Lambert-St. Louis Intl.
$246 Roundtrip, found 6 days ago
$246
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Thu, May 21 from Love Field to Lambert-St. Louis Intl., returning Sat, May 23, priced at $246 found 6 days ago
Thu, Jul 16 - Sun, Jul 19
BTR
Baton Rouge Metropolitan
ORD
O'Hare Intl.
$329 Roundtrip, just found
$329
Roundtrip
just found
Select Delta flight, departing Thu, Jul 16 from Baton Rouge Metropolitan to O'Hare Intl., returning Sun, Jul 19, priced at $329 just found
Wed, Jul 15 - Wed, Jul 29
BTR
Baton Rouge Metropolitan
ORD
O'Hare Intl.
$329 Roundtrip, found 3 days ago
$329
Roundtrip
found 3 days ago
Select United flight, departing Wed, Jul 15 from Baton Rouge Metropolitan to O'Hare Intl., returning Wed, Jul 29, priced at $329 found 3 days ago
Mon, Jun 1 - Mon, Jun 8
BTR
Baton Rouge Metropolitan
STL
Lambert-St. Louis Intl.
$363 Roundtrip, found 6 days ago
$363
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Jun 1 from Baton Rouge Metropolitan to Lambert-St. Louis Intl., returning Mon, Jun 8, priced at $363 found 6 days ago
Sat, May 23 - Mon, May 25
DFW
Dallas-Fort Worth Intl.
PIA
Greater Peoria Regional
$383 Roundtrip, found 6 days ago
$383
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, May 23 from Dallas-Fort Worth Intl. to Greater Peoria Regional, returning Mon, May 25, priced at $383 found 6 days ago
OriginDestinationTravel DatesFlights From*
LAXChicagoApril 22 to April 28$78
LAXChicagoMay 2 to May 5$176
LAXRockfordMay 20 to May 23$243
LGAMolineMay 9 to May 14$291
JFKBloomingtonJune 6 to June 8$298
LAXSavoyMay 7 to May 11$374
LAXMolineJune 6 to June 19$375
LAXPeoriaJune 10 to June 17$375
LAXBloomingtonMay 1 to May 3$385
LAXSpringfieldMay 6 to May 9$408
ATLSpringfieldApril 30 to May 11$421
ATLEvansvilleMay 13 to May 15$487
LGASpringfieldMay 12 to May 17$537
LAXEvansvilleJune 25 to June 25$849
PVGChicagoJune 1 to June 23$2,934
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
DFWChicagoApril 5 to April 16$178
LGAChicagoApril 4 to April 8$212
LGAChicagoApril 4 to April 15$229
ATLSt. LouisApril 3 to April 8$251
ATLChicagoApril 3 to April 15$280
LAXSt. LouisApril 3 to April 5$286
DFWSt. LouisApril 5 to April 10$316
LAXChicagoApril 3 to April 12$331
LGAPeoriaApril 4 to April 7$355
LAXChicagoApril 5 to April 7$449
LAXRockfordApril 3 to April 15$481
PVGChicagoApril 5 to April 15$1,835
PEKChicagoApril 4 to April 7$1,843
CANChicagoApril 4 to April 8$2,077
HKGChicagoApril 4 to April 8$2,364
*Prices include taxes and fees

Best Illinois Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Fairmont Chicago at Millennium Park
4.5-star property

Fairmont Chicago at Millennium Park

Jun 19 - Jun 22

3 night stay

Boston (BOS) to Chicago (ORD)

American Airlines • Coach

Chicago (ORD) to Boston (BOS)

Frontier Airlines • Coach
Save 100% on your flight
Price was $926, price is now $569 per person
$569
per person
found 20 hours ago
Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

Jun 5 - Jun 8

3 night stay

Boston (BOS) to Chicago (ORD)

Southwest Airlines • Coach

Chicago (ORD) to Boston (BOS)

United • Coach
Save 100% on your flight
Price was $1,364, price is now $707 per person
$707
per person
found 1 day ago
Hotel Felix River North/Magnificent Mile
4.0-star property

Hotel Felix River North/Magnificent Mile

Jun 5 - Jun 8

3 night stay

Boston (BOS) to Chicago (ORD)

Southwest Airlines • Coach

Chicago (ORD) to Boston (BOS)

United • Coach
Save 100% on your flight
Price was $1,096, price is now $680 per person
$680
per person
found 1 day ago
Don't see what you're looking for?
See all available trips from Boston 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! (10,033 reviews)
Staff was very helpful getting us rides and directions for what we wanted to do

Reviewed on Apr 1, 2026

Opens in a new windowCongress Plaza Hotel
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! (4,025 reviews)
The staff were polite and helpful. The room was clean and stocked, and the pool area was the same. We enjoyed our stay!

Reviewed on Apr 1, 2026

Opens in a new windowHilton Chicago/Magnificent Mile Suites
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! (5,801 reviews)
The breakfast was fresh and staff was friendly and hospitable. John greeted us every morning for breakfast and was a pleasure to talk to. This wasn't a 5 start hotel but the staff made it feel like one. I'll be staying here for my next visit without a doubt.

Reviewed on Apr 1, 2026

Opens in a new windowEmbassy Suites by Hilton Chicago Downtown River North
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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! (3,696 reviews)
Everything was perfect. The staff are really friendly and helpful. Love it!!! Definitely I'll come back

Reviewed on Apr 1, 2026

Opens in a new windowHotel Riu Plaza 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 $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 June. 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 $2,934 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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