Cheap Flights to Illinois from $28 (2026/2027)| Travelocity

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Chicago

Flights

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 24 - Sat, Sep 26

ATL

Hartsfield-Jackson Atlanta Intl.

STL

Lambert-St. Louis Intl.

$56

Roundtrip

found 2 hours ago

Wed, Sep 9 - Mon, Sep 14

DEN

Denver Intl.

ORD

O'Hare Intl.

$78

Roundtrip

found 14 hours ago

Fri, Oct 2 - Mon, Oct 5

ATL

Hartsfield-Jackson Atlanta Intl.

MDW

Midway Intl.

$97

Roundtrip

found 3 days ago

Tue, Sep 22 - Tue, Sep 22

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$231

Roundtrip

found 1 day ago

Wed, Oct 21 - Sat, Oct 24

SEA

Seattle - Tacoma Intl.

RFD

Greater Rockford

$239

Roundtrip

found 1 day ago

Tue, Sep 22 - Tue, Sep 29

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$239

Roundtrip

found 1 day ago

Tue, Sep 22 - Tue, Sep 29

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$239

Roundtrip

found 1 day ago

Thu, Nov 5 - Mon, Nov 9

SEA

Seattle - Tacoma Intl.

MDW

Midway Intl.

$239

Roundtrip

found 3 days ago

Sat, Sep 12 - Sat, Sep 19

SEA

Seattle - Tacoma Intl.

STL

Lambert-St. Louis Intl.

$251

Roundtrip

found 1 day ago

Thu, Sep 17 - Wed, Sep 23

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$270

Roundtrip

found 2 hours ago

Sat, Dec 5 - Sat, Dec 12

PAE

Seattle Paine Field Intl. Airport

ORD

O'Hare Intl.

$329

Roundtrip

found 2 days ago

Origin	Destination	Travel Dates	Flights From*
LAX	St. Louis	September 15 to September 19	$274
ATL	Evansville	August 2 to August 10	$286
ATL	Moline	October 8 to October 16	$299
ATL	Bloomington	September 24 to September 28	$299
ATL	Peoria	September 10 to September 15	$309
LAX	Moline	August 6 to August 13	$357
LAX	Peoria	August 7 to August 10	$357
LAX	Savoy	October 14 to October 24	$400
ATL	Springfield	September 1 to September 5	$420
LAX	Springfield	August 19 to August 24	$431
LAX	Evansville	October 5 to October 9	$661
PVG	Evansville	October 12 to January 26	$1,044
PVG	Peoria	October 16 to October 18	$1,110
PVG	Chicago	September 7 to March 3	$1,195
PVG	Bloomington	September 4 to February 20	$1,680

*Prices include taxes and fees

Origin	Destination	Travel Dates	Flights From*
ATL	Chicago	July 18 to August 9	$201
ATL	Chicago	July 19 to July 21	$270
ATL	St. Louis	July 18 to July 20	$344
LGA	Peoria	July 18 to July 25	$350
ATL	Rockford	July 18 to July 21	$356
LGA	Moline	July 17 to July 20	$408
LGA	St. Louis	July 19 to July 22	$409
ATL	Peoria	July 17 to July 19	$427
LAX	St. Louis	July 18 to July 20	$444
LAX	Rockford	July 17 to July 24	$514
ATL	Bloomington	July 17 to July 21	$560
EWR	Springfield	July 17 to July 20	$650
JFK	Evansville	July 19 to July 22	$843
PVG	Chicago	July 17 to July 25	$1,441
PVG	St. Louis	July 19 to August 28	$1,807

*Prices include taxes and fees

Best Illinois Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.

3.5-star property

The Wildwood Hotel

Sep 23 - Sep 26

3 night stay

Atlanta (ATL) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach

$204

per person

found 1 day ago

4.0-star property

Level Chicago - River North

Jul 21 - Jul 24

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach

Save 100% on your flight

$1,530

per person

found 6 hours ago

4.0-star property

Hotel Felix River North/Magnificent Mile

Sep 18 - Sep 21

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach

Save 100% on your flight

$461

per person

found 1 day ago

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Travelers ❤️ These Illinois 🏨

The Chicago Hotel Collection Ambassador Gold Coast

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! (1,735 reviews)

"Great location, clean, and a super breakfast!"

Reviewed on Jul 11, 2026

Omni Chicago Hotel

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! (1,910 reviews)

"Staff was amazing, we had a single king bed corner suite with a separate room that has a pull out bed from the couch. It was a perfect setup for us because the kids had their own little room with their own tv and everything. The pullout couch bed was very uncomfortable, but we kinda figured it wouldn't ..."

Reviewed on Jul 12, 2026

Congress Plaza Hotel

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! (10,233 reviews)

"Great value for the price"

Reviewed on Jul 12, 2026

Save an average of 15% on thousands of hotels when you're signed in

Hyatt Regency O'Hare Chicago

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! (2,823 reviews)

"clean room"

Reviewed on Jul 12, 2026

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.

More Ways To Wander Illinois

Illinois Hotels

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Affordable cars to get you around town

Illinois Vacations

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Things to do in Illinois

Activities, attractions and tours

Frequently asked questions

How much is the cheapest flight to Illinois?

A roundtrip flight to Illinois cost as little as $56 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 19 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 $56 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 $56 and $1,807 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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Bloomington Vacation Rentals

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Cheap Flights to Illinois from $28 (2026/2027)

Travelers

Jet to one of Illinois's top cities

Chicago

Galena

Rockford

Springfield

Joliet

Champaign

How Much Does it Cost To Fly To Illinois?

Best Illinois Flight and Hotel Packages

The Wildwood Hotel

Sep 23 - Sep 26

Atlanta (ATL) to St. Louis (STL)

Level Chicago - River North

Jul 21 - Jul 24

Atlanta (ATL) to Chicago (ORD)

Hotel Felix River North/Magnificent Mile

Sep 18 - Sep 21

Atlanta (ATL) to Chicago (ORD)

Travelers ❤️ These Illinois 🏨

The Chicago Hotel Collection Ambassador Gold Coast

Omni Chicago Hotel

Congress Plaza Hotel

Hyatt Regency O'Hare Chicago

More Ways To Wander Illinois

Frequently asked questions

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