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Find cheap flights from Chicago O'Hare Airport to Illinois from $49

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from O'Hare Intl to Illinois departing on 7/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
jeu. 6/6
jeu. 6/13

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Best Illinois Flight Deals

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Moline
Molinenonstop$279
Peoria
Peorianonstop$219
Bloomington
Bloomingtonnonstop$465
Champaign
Champaignnonstop$338
Springfield
Springfieldnonstop$369
Decatur
Decaturnonstop$159
Marion
Marionnonstop$131
St. Louis
St. Louisnonstop$97

Good to know

Low season

June

High season

September

Cheapest flight

$49
Best time to beat the crowds but there is an average 16% increase in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from Chicago O'Hare Airport to St. Louis

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Chicago O'Hare Airport to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago O'Hare Airport to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago O'Hare Airport to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Illinois from Chicago O'Hare Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago O'Hare Airport to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Illinois with an airline and back to Chicago O'Hare Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago O'Hare Airport to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Illinois from Chicago O'Hare Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Illinois

  • Morning departure is around 33% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Top 5 airlines serving from O'Hare Intl to Illinois

 
Need help choosing which airline to fly with from O'Hare Intl to Illinois? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.3
EVA AirOverall score based on 1533 reviews
8.0Entertainment
8.4Boarding
8.2Comfort
7.9Food
8.6Crew
Airline reviews

The type of the food requested (Asian vegetarian) was not properly met with. They have very limited snack items that may compensate for the main meals.

8.0 ExcellentAnonymous, Apr 2024TPE - JFK
Read more about EVA Air reviews

The type of the food requested (Asian vegetarian) was not properly met with. They have very limited snack items that may compensate for the main meals.

The quality of the food is pretty good. Thank you, EVA Air.

Fast and efficient boarding. Flight was on time. Service was very good for our long flight. First time flying with this airline and I would highly recommend.

Pleasant crew. Very long flight, a bit uncomfortable at times being seated, but not too bad.

No ice for the drinks. Only gave a half a cup of your beverage. Not enough water. I got very dehydrated.

Eva air is a good airline. The seats on the way to Taipei could have certainly been more comfortable, but all in all it was a pretty good experience.

Eva is one of the top airlines in Asia... but often are over priced. Finally found a reasonable rate.

My original flight was rescheduled & EVA did a good job rescheduling my flight & connecting flight.

Polite hard working crew. No complaints really. Meals were not to my liking.

Everything was fantastic! The crew really went above and beyond to make it a great flight. I felt cared for with EVA.

The overall flight went well and the aircrew was pleasant.

Very comfortable Prem economy seats for a long haul flight. Had a problem with the tv that the crew fixed so was great!

Cathay Pacific seems to be an airline in trouble and on its way out. Lots of broken or poorly functioning things like entertainment screens, seats, and enough well trained staff to handle a full flight. Sad...

The flight crew was exceptionally good. Personal needs were well met. The food choices were very nice.

Excellent. Planes are a little older and could get some refurbishment, but besides that everything was excellent.

While I was in great pain, the seat was sufficiently comfortable to allow me to rest and not be in so much pain.

we were upgraded which was a blessing and tender mercy for us. I fell the day before and was in extreme pain from knee to shoulder. Sitting in a more comfortable seat during the flight was an unexpected blessing and experience.

Seats were very comfortable. Crew were excellent. Food very good.

Flight crew was especially thoughtful and attentive, made sure our seats were comfortable so we could rest on the long flight

I felt thirsty and asked the flight attendent for water, but no one came for more than half an hour.

Great! The plane was decently sized and comfortable. The staff was nice and there was great in flight entertainment

Last minute gate change nearly caused us to miss our flight. Change was not announced or displayed in the main board at the old gate. Terrible communication. When we landed we had to wait 20 minutes because there was another plane at the assigned gate. Not the crew’s fault, but adding 20 minutes to a 45 minute flight sucked.

delay several times and wait extra long to board. no entertainment service because there are problem for some rows. always encounter some delays for the last flight of the day.

The flight experience was very good! Especially the United Club!

I was not able to buy food in the flight. They refer to include your Credit card in the APP, and if you are not from USA (i have a credit card form Canada) it is not possible

The flight from Ottawa to Chicago took a lot longer due to DC in Ottawa. We got to Chicago and went to our gate to catch our flight. We only had nine minutes I found that very stressful.

Good boarding. Crew started quick with drinks and food. They came around several times for trash which I really liked. Other than turbulence due to storms in the area, flight was great.

The control panel for the seat back screen did not work at all after takeoff.

Plane was so old it had cigarette butt trays in the seat

Everything was good, hard to really comfortable on a flight that long.

Good flights. Departure and arrivals were on time. DFW was a little problematic in that the Skytrain without prior notice bypassed the Echo terminal so that delayed my arrival at my connecting flight.

Because I can’t stand very long in one place, I was allowed to reword.

5 hour flight - full flight - not enough room to use my computer - slightly delayed - Admirals club was excellent quality food, drink made up for flight seating. No food offerred on flight, you ahd to prebook.

Excellent- plan was barely populated. I cannot remember a flight where I was able/encouraged to stretch out!

Great flight. Boarding was efficient and quick. On time departure and smooth flight. Flight arrived early at destination. Good experience.

Had technical issue which delayed the flight period. Flight crew knew there was 5 passengers that the connecting flight was within 15 minutes once at the gate. Rather than identify the 5 passengers to assure they got first. The flight attended mentioned it but didn't assist to assure passengers with connecting flights off first. This caused a hardship and our party of 3 missed the connecting flight.

I don't like that I have to pay if I want extra leg room. The seats are so expensive; I sit in normal seats and my legs and knees cramp the entire flight. I never feel comfortable on AA flights.

Flight was delayed at departure due to weather and the need for de-icing. The flight was smooth but there was a delay at arrival due to weather. We were in a hold for 20 minutes or more. The flight arrived more than 30 minutes late. Airlines have no control over the weather and I'm glad that they follow all safety procedures. Had to wait a long time for my checked luggage. Whole process was slow and the bags arrived wet due to the rain. The onboard wifi and entertainment access was spotty and the signal was dropped several times. Otherwise the crew was great and friendly. They tried to get everyone's bags stowed and seated so we could take off.

Regarding the boarding: it needs more efforts to make it more convenient

Deicing in Denver took forever and I almost missed my connection. De-ice faster! Not Americans fault.

Crew was nice, explained emergency protocol very well. Flight took off and arrived on time. Pilot explained the small delay that occurred with docking and providing updates. I would definitely fly spirit again.

The seat are terrible. Don’t even think of sleeping on a Spirit flight. The kids that run the plane aka flight attendants are pretty rude and straight forward. They get the job done but without class.

I had a death in my family and booked my flight on Spirit. My flight was cancelled the morning of my flight, no explanation, no help to rebook, nobody to talk to. The next available flight was 2days later !!!! Terrible airline, will NEVER fly with them again!

They took a horrible route with a lot of turbulence and I eneded up getting sick. Even if the flight takes longer. Don't put people life at risk just to get to the airport on time.

Every thing was fine ,low price,easy on time ,clean, good staff, really no issues

Had to board plan 2x due to lack of security check after 1st boarding

The flight attendants were very personable, extremely friendly, and had a very good feeling of the energy around them not to mention they’re very funny and engaging. What made up for the discomfort of the seats and the fact that the plane sat for a long time on the Turmac. Not sure if the pilot was new, but the landing was very rough sort of like I was at a magic mountain theme park ride that was built in 1959

Miserable. The crew was rude, the flight was delayed 5 hours for mechanical reasons and then “weather” even though other planes were leaving.

They kept Changing the flight times. It was delayed several times and at one point it was supposed to depart at 3.40am! At which point we ended up staying overnight and booked long a separate United flight for early morning departure. The spirit flight then got moved up and left at 1.30 in the morning when it was supposed to leave at 9.40pm the night before.

Flight was delayed 2+ hours missed a concert because of it…

Book cheap flights from Chicago to Illinois

Recent round-trip flight deals

8/20mar.
nonstopAmerican Airlines
1h 20mORD-STL
8/27mar.
nonstopAmerican Airlines
1h 23mSTL-ORD
$97
9/11mer.
nonstopAmerican Airlines
1h 28mORD-STL
9/14sam.
nonstopAmerican Airlines
1h 21mSTL-ORD
$107
8/20mar.
1 stopFrontier
14h 48mORD-STL
8/27mar.
1 stopFrontier
9h 18mSTL-ORD
$150
9/19jeu.
1 stopFrontier
6h 53mORD-STL
9/22dim.
1 stopFrontier
9h 18mSTL-ORD
$154
6/5mer.
1 stopDelta
5h 37mORD-STL
6/12mer.
1 stopDelta
6h 42mSTL-ORD
$156
5/23jeu.
nonstopUnited Airlines
1h 01mORD-DEC
5/26dim.
nonstopUnited Airlines
1h 05mDEC-ORD
$159
5/28mar.
1 stopSpirit Airlines
11h 54mORD-STL
5/30jeu.
2 stopsSpirit Airlines
21h 05mSTL-ORD
$189
9/11mer.
nonstopUnited Airlines
0h 59mORD-DEC
9/14sam.
nonstopUnited Airlines
1h 06mDEC-ORD
$190
6/5mer.
2 stopsDelta
10h 07mORD-STL
6/12mer.
1 stopDelta
4h 18mSTL-ORD
$190
6/3lun.
3 stopsSpirit Airlines
26h 39mORD-STL
6/5mer.
2 stopsSpirit Airlines
16h 05mSTL-ORD
$207

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Recent one-way flight deals

7/5ven.
nonstopAmerican Airlines
1h 13mORD-STL
$49
5/21mar.
1 stopFrontier
14h 14mORD-STL
$55
6/1sam.
nonstopUnited Airlines
1h 21mORD-STL
$59
6/4mar.
1 stopSpirit Airlines
23h 52mORD-STL
$62
5/21mar.
2 stopsSpirit Airlines
27h 46mORD-STL
$65
5/29mer.
1 stopDelta
4h 50mORD-STL
$78
5/29mer.
nonstopUnited Airlines
1h 24mORD-STL
$79
5/29mer.
2 stopsDelta
10h 07mORD-STL
$83
5/10ven.
1 stopSouthern / Mokulele
3h 05mORD-STL
$84
5/14mar.
1 stopSouthern / Mokulele
3h 05mORD-STL
$85

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Last minute flights from O'Hare Intl to Illinois

Last minute flight, train and bus deals

5/12dim.
multi-stopSouthern / Mokulele
3h 05mORD-STL
5/13lun.
multi-stopSouthern / Mokulele
3h 15mSTL-ORD
$170
5/9jeu.
multi-stopSouthern / Mokulele
7h 50mORD-STL
5/12dim.
multi-stopSouthern / Mokulele
19h 45mSTL-ORD
$183
5/11sam.
nonstopAmerican Airlines
1h 20mORD-STL
5/11sam.
nonstopAmerican Airlines
1h 18mSTL-ORD
$439
5/11sam.
multi-stopSpirit Airlines
22h 22mORD-STL
5/13lun.
multi-stopSpirit Airlines
14h 35mSTL-ORD
$447
5/11sam.
nonstopUnited Airlines
1h 29mORD-STL
5/13lun.
nonstopUnited Airlines
1h 31mSTL-ORD
$452
5/8mer.
multi-stopAmerican Airlines
4h 38mORD-STL
5/9jeu.
nonstopAmerican Airlines
1h 19mSTL-ORD
$460
5/10ven.
nonstopUnited Airlines
1h 26mORD-STL
5/13lun.
nonstopUnited Airlines
1h 31mSTL-ORD
$467
5/8mer.
multi-stopDelta
9h 37mORD-STL
5/9jeu.
multi-stopDelta
4h 19mSTL-ORD
$476
5/9jeu.
multi-stopDelta
7h 22mORD-STL
5/10ven.
multi-stopDelta
6h 31mSTL-ORD
$491
5/10ven.
multi-stopSpirit Airlines
23h 02mORD-STL
5/12dim.
multi-stopSpirit Airlines
22h 10mSTL-ORD
$641

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Chicago O'Hare Airport - Illinois Flights

Departure:

Chicago O'Hare Airport (ORD)United States

Return flight deals:

Illinois - Chicago O'Hare Airport

Cabin classes:

$578
$1,220
$126