Cheap Flights to Illinois from $24

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Flight deals we found

These prices are lower than our typical predictions for similar flights.
75% less than typical
$255
Roundtrip per traveler
Fri, Jul 19 - Sun, Jul 21
UnitedUnited
1h 26m
10:59am
11:25am
CMH
Nonstop
ORD
Found 1 hour ago
75% less than typical
$255
Roundtrip per traveler
Thu, Aug 1 - Sun, Aug 4
UnitedUnited
1h 27m
6:00am
6:27am
CMH
Nonstop
ORD
Found 5 hours ago
75% less than typical
$268
Roundtrip per traveler
Sun, Jun 2 - Tue, Jun 4
UnitedUnited
1h 32m
9:00am
9:32am
CMH
Nonstop
ORD
Found 2 hours ago
75% less than typical
$263
Roundtrip per traveler
Sat, May 18 - Sat, Jun 1
UnitedUnited
4h 9m
6:08pm
9:17pm
CMH
1 stop • 1h 31m in ORD
MLI
Found 12 hours ago
80% less than typical
$253
Roundtrip per traveler
Wed, May 22 - Sat, Jun 1
UnitedUnited
4h 23m
7:00am
10:23am
CMH
1 stop • 1h 49m in ORD
MLI
Found 17 hours ago
80% less than typical
$228
Roundtrip per traveler
Sat, Jun 15 - Mon, Jun 17
DeltaDelta
5h 1m
6:06pm
10:07pm
CMH
1 stop • 1h 26m in ATL
MLI
Found 20 hours ago
75% less than typical
$274
Roundtrip per traveler
Wed, Jul 10 - Sat, Jul 13
DeltaDelta
5h 43m
1:55pm
6:38pm
CMH
1 stop • 1h 55m in MSP
MDW
Found 5 hours ago
75% less than typical
$274
Roundtrip per traveler
Tue, Jul 9 - Sat, Jul 13
DeltaDelta
5h 43m
1:55pm
6:38pm
CMH
1 stop • 1h 55m in MSP
MDW
Found 5 hours ago
70% less than typical
$339
Roundtrip per traveler
Fri, Jun 28 - Sun, Jun 30
DeltaDelta
4h 51m
6:00am
9:51am
CMH
1 stop • 1h 25m in ATL
MDW
Found 19 hours ago

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Top Cities to Visit in Illinois

How much is the cheapest flight to Illinois?

Prices were available within the past 7 days and start at $24 for one-way flights and $43 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
American Airlines
American Airlines
United
American Airlines
American Airlines
United
American Airlines
United
Frontier Airlines

About Flying to Illinois

Pack your baggage, buy your Illinois flights, and prepare for an adventure. We understand that planning is the interesting part when it comes time for your next vacation. Singling out your location, unearthing all the greatest things to do, and browsing for flights are all a part of creating memories. And no matter if you're looking for a thrilling getaway with the family or a serene retreat on your own, when you use Expedia to plan your trip to Illinois, you'll find myriad ways to tweak your adventure with our sweet deals and straightforward reservation process.

A Relaxing Illinois Flight Awaits

Whether you're searching for airfare to the state's capital of Springfield, or would rather fly somewhere off the beaten path, you're guaranteed to find the ideal destination for your trip here on Expedia. We're all about assisting you hunt for cheap flights to this state that won't bust your budget. We realize you want to allocate more of your hard-earned money toward enjoying the sights and less on the cost of your ticket to Prairie State. And that's why we present you with an unmatched selection of economical plane tickets, including both return flights and single-way reservations, to ensure your Illinois travel plans remain within your budget.

During your vacation in Illinois, surround yourself in the indigenous scene by sampling regional cuisine and enjoying the nightlife. And if you'd like to explore even more of this region, pay a visit to Chicago, Galena, or Springfield . No matter where in this state you decide to go, take a trip to the historic landmarks on your journey, and enjoy vistas of the most picturesque areas. It's no wonder why so many adventure seekers, history buffs, and restless travelers from all walks of life are attracted to this inviting area.

Reserve Your Illinois Room Today

Expedia wants to save you time and money when securing your tickets to the Illinois, so you can spend your time making the most of your adventure and not fretting about draining your bank account. We offer a wealth of airlines, airports, and departure times, making it easier for you to purchase your airfare whether you're searching for a red-eye flight or a trip to a particular airport. We also have an intuitive smartphone booking app, which invites you to arrange your trip whenever it's easiest for you.

If you have a rest from everyday life that has almost arrived, there will never be a greater chance to get a flight to Illinois. get your new smartphone all set for gorgeous scenery and your stomach for tasty food - it's time to get out there! Arrange your flight to Illinois this minute, and prepare to undertake on a memorable vacation tomorrow. When it comes to finding flights to Illinois that fit your expectations and agenda, look no further than our extensive selection right here. Just enter your ideal travel dates now to find the best offers on flights in Illinois.

Here at Expedia, we’re committed to helping you find cheap flights to Illinois that won’t break the bank. We know you want to put more of your hard-earned cash toward exploring the sites and less on the price of your airfare. That’s why we provide you with a vast selection of affordable plane tickets, including roundtrip and one-way reservations, to ensure your United States of America travel plans remain within your budget. Take advantage of our lowest rates on airfare and have leftover money to spare on your travel adventures.

When it comes to finding flights to Illinois that match your price range and itinerary, look no further than our options right here. We offer a variety of airlines, airports, and flight times making it easier for you to book your airfare. Whether you’re looking for a redeye ticket or a flight to a specific terminal, you’ll find exactly what you need. We also provide a hassle-free mobile booking app, which lets you reserve wherever and whenever is most convenient for you. Book your airfare to Illinois today and get ready to embark on an unforgettable getaway tomorrow.

Illinois Flights Information

Airlines serving
United, American Airlines, Delta, Frontier Airlines
Roundtrip price
from $43

Frequently asked questions

How do I find cheap flights to Illinois that have flexible change policies?
Search for cheap flights to Illinois, then tick the “No change fee” box under the “Flexible change policies” heading. From then on it’s smooth sailing. We understand that travel plans change and flexibility is essential, so book with confidence with Expedia.
Which airlines fly to Illinois?
Whether you’re traveling somewhere new or rendezvousing at a favorite haunt, these airlines are waiting to take you into or near Illinois:

  • United Airlines - 13,063 flights to or near Illinois each month, including 12,950 flights to O’Hare Intl. Airport (ORD) and 108 flights to Quad City Intl. Airport (MLI) per month.
  • American Airlines - 8,977 flights to or near Illinois each month, including 8,855 flights to O’Hare Intl. Airport (ORD) and 121 flights to Quad City Intl. Airport (MLI) per month.
  • Southwest Airlines - 5,997 flights to or near Illinois each month, including 5,334 flights to Midway Intl. Airport (MDW) and 663 flights to O’Hare Intl. Airport (ORD) per month.

How can I find cheap tickets to Illinois?
One of the easiest ways to find cheap tickets to Illinois is to be flexible with your travel dates. Search for your flights, then click “flexible dates” at the top of your results. It’ll reveal the cheapest prices for nearby days. The lowest price for a flight to Illinois in the last seven days was $43. Booking well in advance will generally help you score an even bigger bargain.
How much is a flight to Illinois?
There were plenty of bargain fares up for grabs in the last seven days, with the cost of a return airfare to Illinois ranging between $43 and $128. Many lucky travelers nabbed one-way tickets from Columbus (CMH) for as little as $24.
What are the most popular airports to fly into in Illinois?
Touch down at one of these top Illinois airports and you’ll be perfectly placed to discover all that this wonderful region has to offer:

  • O’Hare Intl. Airport (ORD) - 25,318 flights per month.
  • Midway Intl. Airport (MDW) - 5,962 flights per month.
  • Quad City Intl. Airport (MLI) - 325 flights per month.

When is the cheapest time to fly to Illinois?
Take off for Illinois early in the week and you’ll usually be rewarded more economical fares. Tuesday is typically the cheapest day to hop on a plane, followed by Monday. If you’re hoping to avoid the most expensive flights, steer clear of Saturdays.
How much is a plane ticket to Illinois?
In the last seven days, plane fares to Illinois ranged from $43 to $128.
What months are the cheapest to book a flight to Illinois?
The top month to purchase affordable flights to Illinois is February. Remember that in the U.S, an expensive time to reserve a ticket is during the busy month of December.
How long is a flight to Illinois?
That depends on where you jet off from. These top domestic routes and their average flight times will give you a rough estimate of how long it’ll take to get to Illinois:

  • New York, NY (LGA-LaGuardia) to O’Hare Intl. Airport (ORD) - 2 hours and 39 minutes
  • Los Angeles, CA (LAX-Los Angeles Intl.) to O’Hare Intl. Airport (ORD) - 4 hours and 4 minutes
  • Dallas, TX (DFW-Dallas-Fort Worth Intl.) to O’Hare Intl. Airport (ORD) - 2 hours and 31 minutes

What is the best time to go to Illinois?
A terrific time to check out Chicago is after June 20 when the summer season starts. In Illinois’s main city, average temperatures range from 65ºF to 75ºF at this time — ideal weather for sightseeing! May, June and August are the most popular months to head to this hot spot.

Trending flights to Illinois

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
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