Cheap Flights to Illinois from $49 (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, Sep 16 - Mon, Sep 21
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$84 Roundtrip, found 4 days ago
$84
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Sep 16 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Sep 21, priced at $84 found 4 days ago
Tue, Aug 25 - Tue, Sep 1
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$84 Roundtrip, found 2 days ago
$84
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Aug 25 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Sep 1, priced at $84 found 2 days ago
Thu, Oct 29 - Sun, Nov 1
DEN
Denver Intl.
PIA
Greater Peoria Regional
$95 Roundtrip, just found
$95
Roundtrip
just found
Select Allegiant Air flight, departing Thu, Oct 29 from Denver Intl. to Greater Peoria Regional, returning Sun, Nov 1, priced at $95 just found
Mon, Nov 9 - Fri, Nov 13
DEN
Denver Intl.
ORD
O'Hare Intl.
$118 Roundtrip, found 11 hours ago
$118
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Mon, Nov 9 from Denver Intl. to O'Hare Intl., returning Fri, Nov 13, priced at $118 found 11 hours ago
Wed, Oct 21 - Wed, Oct 28
DAL
Love Field
STL
Lambert-St. Louis Intl.
$178 Roundtrip, found 3 days ago
$178
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Wed, Oct 21 from Love Field to Lambert-St. Louis Intl., returning Wed, Oct 28, priced at $178 found 3 days ago
Sun, Aug 30 - Sun, Aug 30
DFW
Dallas-Fort Worth Intl.
ORD
O'Hare Intl.
$196 Roundtrip, found 2 days ago
$196
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sun, Aug 30 from Dallas-Fort Worth Intl. to O'Hare Intl., returning Sun, Aug 30, priced at $196 found 2 days ago
Fri, Sep 11 - Mon, Sep 14
DFW
Dallas-Fort Worth Intl.
MDW
Midway Intl.
$196 Roundtrip, found 3 hours ago
$196
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Sep 11 from Dallas-Fort Worth Intl. to Midway Intl., returning Mon, Sep 14, priced at $196 found 3 hours ago
Sat, Aug 29 - Tue, Sep 1
JFK
John F. Kennedy Intl.
ORD
O'Hare Intl.
$220 Roundtrip, found 2 hours ago
$220
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Sat, Aug 29 from John F. Kennedy Intl. to O'Hare Intl., returning Tue, Sep 1, priced at $220 found 2 hours ago
Tue, Aug 25 - Fri, Aug 28
JFK
John F. Kennedy Intl.
RFD
Greater Rockford
$235 Roundtrip, found 2 days ago
$235
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Aug 25 from John F. Kennedy Intl. to Greater Rockford, returning Fri, Aug 28, priced at $235 found 2 days ago
Thu, Oct 1 - Sat, Oct 10
JFK
John F. Kennedy Intl.
MDW
Midway Intl.
$272 Roundtrip, found 1 day ago
$272
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Oct 1 from John F. Kennedy Intl. to Midway Intl., returning Sat, Oct 10, priced at $272 found 1 day ago
Thu, Oct 1 - Mon, Oct 5
DAL
Love Field
MDW
Midway Intl.
$283 Roundtrip, found 3 days ago
$283
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Oct 1 from Love Field to Midway Intl., returning Mon, Oct 5, priced at $283 found 3 days ago
OriginDestinationTravel DatesFlights From*
ATLMolineOctober 30 to November 1$299
ATLPeoriaAugust 28 to August 30$323
EWRBloomingtonAugust 21 to August 23$359
LAXMolineAugust 28 to August 31$364
EWRSavoySeptember 30 to October 4$410
ATLSpringfieldSeptember 4 to September 7$427
DFWSavoySeptember 11 to September 14$428
LAXPeoriaSeptember 18 to September 20$445
LAXEvansvilleSeptember 15 to September 20$486
DFWSpringfieldAugust 29 to August 30$523
ATLSavoyAugust 19 to August 21$812
LAXSavoyAugust 20 to August 21$939
PVGSt. LouisSeptember 3 to September 7$1,047
PVGEvansvilleOctober 22 to January 26$1,048
PVGPeoriaOctober 16 to October 18$1,113
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLChicagoAugust 8 to August 16$190
ATLChicagoAugust 8 to August 12$212
ATLSt. LouisAugust 9 to August 11$239
DFWChicagoAugust 9 to August 11$301
LGAPeoriaAugust 8 to August 11$357
LAXChicagoAugust 8 to August 10$361
ATLRockfordAugust 8 to August 10$399
LAXRockfordAugust 8 to August 15$450
DFWRockfordAugust 8 to August 15$460
LAXChicagoAugust 8 to August 12$471
ATLEvansvilleAugust 7 to August 9$505
ATLMolineAugust 8 to August 12$549
DFWMolineAugust 7 to August 9$696
PEKChicagoAugust 9 to September 1$1,662
PVGChicagoAugust 7 to August 15$1,672
*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

Sep 10 - Sep 14

4 night stay

Dallas (DFW) to St. Louis (STL)

Southwest Airlines • Coach

St. Louis (STL) to Dallas (DFW)

Frontier Airlines • Coach
Save 100% on your flight
Price was $794, price is now $506 per person
$506
per person
found 19 hours ago
Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

Sep 16 - Sep 19

3 night stay

Charlotte (CLT) to Chicago (ORD)

American Airlines • Coach

Chicago (ORD) to Charlotte (CLT)

Frontier Airlines • Coach
Save 100% on your flight
Price was $1,761, price is now $1,127 per person
$1,127
per person
found 1 day ago
Hotel Felix River North/Magnificent Mile
4.0-star property

Hotel Felix River North/Magnificent Mile

Aug 27 - Aug 30

3 night stay

Charlotte (CLT) to Chicago (ORD)

Southwest Airlines • Coach

Chicago (ORD) to Charlotte (CLT)

Frontier Airlines • Coach
Save 100% on your flight
Price was $970, price is now $650 per person
$650
per person
found 1 day ago
Don't see what you're looking for?
See all available trips from Dallas 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.
Opens in a new windowCongress Plaza Hotel
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.
8/10 Very Good! (1,900 reviews)
"Awesome"

Reviewed on Aug 3, 2026

Opens in a new windowThe Chicago Hotel Collection Ambassador Gold Coast
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 Fashion Outlets of Chicago are located nearby.
8.8/10 Excellent! (2,940 reviews)
"Free airport shuttle and modernized room 10/10"

Reviewed on Aug 3, 2026

Opens in a new windowHyatt Regency O'Hare Chicago
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The Allegro Royal Sonesta Hotel Chicago Loop

The Allegro Royal Sonesta Hotel Chicago Loop

4 out of 5
171 W Randolph St Chicago IL
Book a stay at this business-friendly hotel in Chicago. Enjoy breakfast (surcharge), a 24-hour fitness center, and valet parking (surcharge). Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Chicago Riverwalk and Millennium Park are located nearby.
Opens in a new windowThe Allegro Royal Sonesta Hotel Chicago Loop
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 $84 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 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 $84 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 $84 and $1,672 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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