Cheap Flights to Illinois from $45 (2025/2026)

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Chicago which includes a city and a high rise building as well as a family

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.

Thu, Sep 25 - Mon, Sep 29
LGA
LaGuardia
ORD
O'Hare Intl.
$90 Roundtrip, found 3 hours ago
$90
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Thu, Sep 25 from LaGuardia to O'Hare Intl., returning Mon, Sep 29, priced at $90 found 3 hours ago
Fri, Aug 8 - Sat, Aug 16
LAX
Los Angeles Intl.
ORD
O'Hare Intl.
$108 Roundtrip, found 1 hour ago
$108
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Aug 8 from Los Angeles Intl. to O'Hare Intl., returning Sat, Aug 16, priced at $108 found 1 hour ago
Thu, Sep 25 - Thu, Oct 2
LGA
LaGuardia
STL
Lambert-St. Louis Intl.
$131 Roundtrip, found 6 hours ago
$131
Roundtrip
found 6 hours ago
Select Spirit Airlines flight, departing Thu, Sep 25 from LaGuardia to Lambert-St. Louis Intl., returning Thu, Oct 2, priced at $131 found 6 hours ago
Thu, Oct 30 - Sun, Nov 2
LGA
LaGuardia
MDW
Midway Intl.
$142 Roundtrip, found 11 hours ago
$142
Roundtrip
found 11 hours ago
Select Southwest Airlines flight, departing Thu, Oct 30 from LaGuardia to Midway Intl., returning Sun, Nov 2, priced at $142 found 11 hours ago
Sun, Aug 24 - Sun, Sep 7
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$160 Roundtrip, found 9 hours ago
$160
Roundtrip
found 9 hours ago
Select Spirit Airlines flight, departing Sun, Aug 24 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Sun, Sep 7, priced at $160 found 9 hours ago
Tue, Oct 14 - Sat, Oct 18
LAX
Los Angeles Intl.
MDW
Midway Intl.
$197 Roundtrip, found 2 hours ago
$197
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Tue, Oct 14 from Los Angeles Intl. to Midway Intl., returning Sat, Oct 18, priced at $197 found 2 hours ago
Wed, Aug 13 - Tue, Aug 19
LGA
LaGuardia
MLI
Quad City Intl.
$251 Roundtrip, found 1 day ago
$251
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Aug 13 from LaGuardia to Quad City Intl., returning Tue, Aug 19, priced at $251 found 1 day ago
Fri, Oct 24 - Sun, Oct 26
LGA
LaGuardia
RFD
Greater Rockford
$280 Roundtrip, found 9 hours ago
$280
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Fri, Oct 24 from LaGuardia to Greater Rockford, returning Sun, Oct 26, priced at $280 found 9 hours ago
OriginDestinationTravel DatesFlights From*
LAXPeoriaNovember 4 to November 11$289
EWREvansvilleSeptember 30 to October 4$297
LGABloomingtonSeptember 20 to September 30$297
DFWPeoriaSeptember 23 to September 30$321
ATLMolineOctober 6 to October 18$329
DFWRockfordOctober 24 to October 26$336
LAXBloomingtonSeptember 2 to September 13$382
LAXRockfordOctober 24 to October 26$385
DFWBloomingtonSeptember 23 to October 1$405
DFWSpringfieldOctober 3 to October 5$421
LAXSavoySeptember 11 to September 14$478
PVGSt. LouisSeptember 24 to March 10$1,180
PEKSt. LouisSeptember 18 to March 25$1,381
CTUChicagoAugust 29 to September 14$1,495
CANSt. LouisSeptember 5 to December 30$1,517
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLChicagoJuly 27 to July 31$149
ATLSt. LouisJuly 26 to July 31$177
ATLChicagoJuly 26 to August 9$182
DFWChicagoJuly 26 to July 30$300
LAXChicagoJuly 26 to July 28$330
LAXChicagoJuly 26 to July 30$357
ATLSavoyJuly 26 to July 29$394
LAXPeoriaJuly 27 to August 12$416
LAXMolineJuly 26 to August 10$479
LAXBloomingtonJuly 25 to July 28$550
ATLMolineJuly 25 to July 27$552
PVGChicagoJuly 25 to August 20$1,404
PVGSt. LouisJuly 27 to August 11$1,414
HKGChicagoJuly 25 to August 3$1,439
PEKSt. LouisJuly 25 to August 30$1,603
*Prices include taxes and fees

Best Illinois Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Hilton Garden Inn Chesterfield
3.0-star property

Hilton Garden Inn Chesterfield

Oct 11 - Oct 14

3 night stay

Dallas (DFW) to St. Louis (STL)

Southwest Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 1 day ago
HYATT house Chicago/Schaumburg
3.5-star property

HYATT house Chicago/Schaumburg

Aug 28 - Sep 2

5 night stay

Atlanta (ATL) to Chicago (ORD)

Spirit Airlines • Non-stop roundtrip • Coach
Save 100% on your flight
per person
found 1 day ago
La Banque Hotel
4.0-star property

La Banque Hotel

Oct 12 - Oct 16

4 night stay

Dallas (DFW) to Chicago (ORD)

Southwest Airlines • Coach

Chicago (ORD) to Dallas (DFW)

Spirit Airlines • Coach
Save 100% on your flight
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 free WiFi, 2 restaurants, and 2 bars/lounges. 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.
7.8/10 Good! (8,932 reviews)
"location is perfect for family"

Reviewed on Jul 22, 2025

Congress Plaza Hotel
InterContinental Chicago Magnificent Mile by IHG

InterContinental Chicago Magnificent Mile by IHG

4.5 out of 5
505 N Michigan Ave, Chicago, IL
Stay at this 4.5-star luxury hotel in Chicago. Enjoy free WiFi, 2 restaurants, and breakfast (surcharge). Our guests praise the pool and the helpful staff in our reviews. Popular attractions Michigan Avenue and Chicago Riverwalk are located nearby.
9/10 Wonderful! (2,089 reviews)
"It’s was an amazing!"

Reviewed on Jul 22, 2025

InterContinental Chicago Magnificent Mile by IHG
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.
8.8/10 Excellent! (2,517 reviews)
"Close to Magnificent Mile"

Reviewed on Jul 23, 2025

Hilton Chicago/Magnificent Mile Suites
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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 4-star 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.
8.4/10 Very Good! (4,513 reviews)
"Loved the room! Didn’t like the Parking!"

Reviewed on Jul 22, 2025

Embassy Suites by Hilton Chicago Downtown River North
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 $90 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 September. 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 $90 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 $90 and $1,603 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.

Destinations in Illinois

Top Flight Routes

Top Airlines

Top Airports

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.