Cheap Flights to Illinois from $25 (2026/2027)

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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, Feb 25 - Sat, Feb 28
EWR
Newark Liberty Intl. Airport
ORD
O'Hare Intl.
$49 Roundtrip, found 3 hours ago
$49
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Wed, Feb 25 from Newark Liberty Intl. Airport to O'Hare Intl., returning Sat, Feb 28, priced at $49 found 3 hours ago
Fri, May 8 - Tue, May 12
EWR
Newark Liberty Intl. Airport
MDW
Midway Intl.
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 8 from Newark Liberty Intl. Airport to Midway Intl., returning Tue, May 12, priced at $56 just found
Fri, Feb 20 - Mon, Feb 23
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$57 Roundtrip, found 1 hour ago
$57
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Feb 20 from Orlando Intl. to Lambert-St. Louis Intl., returning Mon, Feb 23, priced at $57 found 1 hour ago
Wed, Mar 4 - Sat, Mar 7
MCO
Orlando Intl.
ORD
O'Hare Intl.
$57 Roundtrip, found 1 day ago
$57
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Wed, Mar 4 from Orlando Intl. to O'Hare Intl., returning Sat, Mar 7, priced at $57 found 1 day ago
Sat, Feb 28 - Wed, Mar 4
LGA
LaGuardia
ORD
O'Hare Intl.
$63 Roundtrip, found 1 hour ago
$63
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Sat, Feb 28 from LaGuardia to O'Hare Intl., returning Wed, Mar 4, priced at $63 found 1 hour ago
Sat, Feb 14 - Sun, Feb 15
MCO
Orlando Intl.
MDW
Midway Intl.
$76 Roundtrip, found 4 days ago
$76
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Feb 14 from Orlando Intl. to Midway Intl., returning Sun, Feb 15, priced at $76 found 4 days ago
Wed, Feb 25 - Tue, Mar 3
LGA
LaGuardia
MDW
Midway Intl.
$131 Roundtrip, found 10 hours ago
$131
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Wed, Feb 25 from LaGuardia to Midway Intl., returning Tue, Mar 3, priced at $131 found 10 hours ago
Sun, Mar 1 - Tue, Mar 3
LGA
LaGuardia
RFD
Greater Rockford
$142 Roundtrip, found 1 day ago
$142
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Mar 1 from LaGuardia to Greater Rockford, returning Tue, Mar 3, priced at $142 found 1 day ago
Tue, Feb 24 - Wed, Mar 11
LGA
LaGuardia
STL
Lambert-St. Louis Intl.
$159 Roundtrip, found 12 hours ago
$159
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Tue, Feb 24 from LaGuardia to Lambert-St. Louis Intl., returning Wed, Mar 11, priced at $159 found 12 hours ago
Thu, Apr 9 - Thu, Apr 16
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$160 Roundtrip, found 10 hours ago
$160
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Thu, Apr 9 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Thu, Apr 16, priced at $160 found 10 hours ago
Wed, Feb 25 - Sun, Mar 1
EWR
Newark Liberty Intl. Airport
RFD
Greater Rockford
$167 Roundtrip, found 1 day ago
$167
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Feb 25 from Newark Liberty Intl. Airport to Greater Rockford, returning Sun, Mar 1, priced at $167 found 1 day ago
OriginDestinationTravel DatesFlights From*
ATLEvansvilleApril 8 to April 13$299
LAXMolineMarch 5 to March 8$316
LGABloomingtonApril 28 to May 6$349
ATLSavoyFebruary 20 to February 22$369
LAXEvansvilleMarch 17 to March 24$388
ATLSpringfieldApril 3 to April 5$394
LAXPeoriaApril 7 to April 13$399
ATLBloomingtonApril 3 to April 5$399
ATLMolineApril 2 to April 18$399
LAXSavoyApril 3 to April 4$465
LAXSpringfieldFebruary 14 to February 18$568
PVGSt. LouisMarch 5 to September 1$1,078
PEKSt. LouisApril 4 to April 11$1,089
PVGChicagoApril 29 to May 4$1,200
PVGBloomingtonFebruary 15 to March 10$1,372
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLChicagoFebruary 7 to February 9$59
ATLChicagoFebruary 7 to February 15$84
DFWChicagoFebruary 7 to April 1$115
ATLSt. LouisFebruary 7 to February 19$173
ATLRockfordFebruary 6 to February 28$248
LAXChicagoFebruary 7 to February 10$286
LAXChicagoFebruary 6 to February 9$291
ATLPeoriaFebruary 6 to February 18$378
LGAEvansvilleFebruary 7 to February 19$432
ATLEvansvilleFebruary 6 to February 11$447
LAXBloomingtonFebruary 7 to February 8$557
ATLMolineFebruary 6 to February 12$565
LAXRockfordFebruary 6 to February 8$595
PVGChicagoFebruary 8 to February 23$1,092
PVGSt. LouisFebruary 7 to April 27$1,208
*Prices include taxes and fees

Best Illinois Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Hotel Felix River North/Magnificent Mile
4.0-star property

Hotel Felix River North/Magnificent Mile

Apr 6 - Apr 10

4 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $415, price is now $248 per person
$248
per person
found 1 day ago
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Mar 26 - Mar 29

3 night stay

Atlanta (ATL) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $507, price is now $258 per person
$258
per person
found 1 day ago
Hotel Riu Plaza Chicago
4.0-star property

Hotel Riu Plaza Chicago

Apr 6 - Apr 10

4 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $684, price is now $374 per person
$374
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 Millennium Park and Chicago Riverwalk are located nearby.
8/10 Very Good! (9,829 reviews)
Yes perfectly clean

Reviewed on Jan 24, 2026

Opens in a new windowCongress Plaza Hotel
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.
8.4/10 Very Good! (5,601 reviews)
This was a really nice place to stay, especially for the pricce! It’s located in a great location in downtown Chicago close to many restaurants, shops, and grocery stores, museums and public transportation!There are some wonderful cafés to visit right outside the hotel, including a French cafe, and ...

Reviewed on Jan 24, 2026

Opens in a new windowEmbassy Suites by Hilton Chicago Downtown River North
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.
9.2/10 Wonderful! (3,237 reviews)
Clean and welcoming. The breakfast was amazing.

Reviewed on Jan 25, 2026

Opens in a new windowHotel Riu Plaza Chicago
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Hilton Chicago

Hilton Chicago

4 out of 5
720 S Michigan Ave Chicago IL
Book a stay at this historic hotel in Chicago. Enjoy 2 restaurants, breakfast (surcharge), and a health club. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Millennium Park and Soldier Field are located nearby.
8.4/10 Very Good! (2,587 reviews)
The room was clean and the staff was very friendly.

Reviewed on Jan 28, 2026

Opens in a new windowHilton 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 $49 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 February. 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 $49 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 $49 and $1,372 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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