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$59+ Cheap flights from O'Hare Intl (ORD) to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ORD
mar. 8 — mar. 151
sáb. 3/8
sáb. 3/15
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Illinois

Keep the following information in mind while searching for O'Hare Intl to Illinois flight deals. Data was last updated marzo 3, 2025.

Round-trip from

$112
(United Airlines)

One-way from

$59
(Southwest)

Good round-trip deal

$158 or less

Good one-way deal

$94 or less
From Chicago O'Hare Intl to Illinois
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One-way flight from Chicago O'Hare Intl to Illinois
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Illinois.
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Price to beat on a one-way flight from Chicago O'Hare Intl to Illinois.
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Find flight deals from O'Hare Intl to Illinois

Cheapest flights from O'Hare Intl to Illinois
Explore the most affordable flight options available from O'Hare Intl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 3, 2025.

This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/32:20 pmORD - STL
Nonstop1h 27mUnited Airlines
vie. 4/49:39 amSTL - ORD
Nonstop1h 31mUnited Airlines
Deal found 3/2$112
This Southwest deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/184:00 pmORD - STL
1 stop5h 50mSouthwest
jue. 3/205:45 amSTL - ORD
1 stop6h 05mSouthwest
Deal found 3/3$117
This Trip.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/188:25 amORD - BRL
Nonstop1h 40mSouthern / Mokulele
sáb. 3/222:10 pmBRL - ORD
Nonstop1h 40mSouthern / Mokulele
Deal found 3/3$123
This American Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/154:42 pmORD - STL
Nonstop1h 17mAmerican Airlines
vie. 3/2110:12 amSTL - ORD
Nonstop1h 22mAmerican Airlines
Deal found 3/1$127
This Mytrip deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/278:25 amORD - STL
1 stop11h 45mSouthern / Mokulele
lun. 3/315:15 pmSTL - ORD
1 stop14h 25mSouthern / Mokulele
Deal found 3/3$137
This CheapOair deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/128:20 pmORD - STL
1 stop23h 50mMultiple Airlines
vie. 3/1411:00 amSTL - ORD
Nonstop1h 17mMultiple Airlines
Deal found 3/3$146
This United deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/247:45 amORD - DEC
Nonstop1h 05mUnited Airlines
lun. 3/312:35 pmDEC - ORD
Nonstop1h 05mUnited Airlines
Deal found 3/3$159
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/175:00 pmORD - STL
1 stop4h 40mDelta
mié. 3/191:48 pmSTL - ORD
1 stop4h 33mDelta
Deal found 3/2$177
This American Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/169:51 amORD - PIA
Nonstop1h 05mAmerican Airlines
mié. 4/2311:26 amPIA - ORD
Nonstop1h 09mAmerican Airlines
Deal found 3/2$187
This American Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/182:55 pmORD - MLI
Nonstop0h 57mAmerican Airlines
sáb. 3/226:00 amMLI - ORD
Nonstop1h 07mAmerican Airlines
Deal found 3/2$189
This American Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/161:13 pmORD - EVV
Nonstop1h 18mAmerican Airlines
mié. 4/235:44 amEVV - ORD
Nonstop1h 46mAmerican Airlines
Deal found 3/2$190
This Mytrip deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/237:47 pmORD - STL
1 stop21h 28mSpirit Airlines
dom. 4/276:10 pmSTL - ORD
2 stops25h 49mSpirit Airlines
Deal found 3/3$232

Find flights from O'Hare Intl to Illinois within your budget

Customize your flight search to find flights from O'Hare Intl to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated marzo 3, 2025.

Fly from

O'Hare Intl

Fly to

Illinois

Route

Depart

Return

Price

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

jue. 4/3

2:20 pm-3:47 pm

Nonstop1h 27m

Lambert-St Louis

vie. 4/4

9:39 am-11:10 am

Nonstop1h 31m

$112

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

mar. 3/18

4:00 pm-9:50 pm

1 stop5h 50m

Lambert-St Louis

jue. 3/20

5:45 am-11:50 am

1 stop6h 05m

$117

ChicagoBurlington

ORD - BRL

ORDBRL

Chicago O'Hare Intl

mar. 3/18

8:25 am-10:05 am

Nonstop1h 40m

Burlington

sáb. 3/22

2:10 pm-3:50 pm

Nonstop1h 40m

$123

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

sáb. 3/15

4:42 pm-5:59 pm

Nonstop1h 17m

Lambert-St Louis

vie. 3/21

10:12 am-11:34 am

Nonstop1h 22m

$127

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

jue. 3/27

8:25 am-8:10 pm

1 stop11h 45m

Lambert-St Louis

lun. 3/31

5:15 pm-7:40 am

1 stop14h 25m

$137

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

mié. 3/12

8:20 pm-8:10 pm

1 stop23h 50m

Lambert-St Louis

vie. 3/14

11:00 am-12:17 pm

Nonstop1h 17m

$146

ChicagoDecatur

ORD - DEC

ORDDEC

Chicago O'Hare Intl

lun. 3/24

7:45 am-8:50 am

Nonstop1h 05m

Decatur Arpt

lun. 3/31

2:35 pm-3:40 pm

Nonstop1h 05m

$159

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

lun. 3/17

5:00 pm-9:40 pm

1 stop4h 40m

Lambert-St Louis

mié. 3/19

1:48 pm-6:21 pm

1 stop4h 33m

$177

ChicagoPeoria

ORD - PIA

ORDPIA

Chicago O'Hare Intl

mié. 4/16

9:51 am-10:56 am

Nonstop1h 05m

Greater Peoria

mié. 4/23

11:26 am-12:35 pm

Nonstop1h 09m

$187

ChicagoMoline

ORD - MLI

ORDMLI

Chicago O'Hare Intl

mar. 3/18

2:55 pm-3:52 pm

Nonstop0h 57m

Moline Quad-City

sáb. 3/22

6:00 am-7:07 am

Nonstop1h 07m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 48 results
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Best time to book a flight from O'Hare Intl to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from O'Hare Intl to Illinois

Get recent, data-driven insights about flights from O'Hare Intl to Illinois including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from ORD to IL?

Find hourly flight availability from O'Hare Intl to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 3, 2025.

When flying from Chicago O'Hare Intl Airport to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated marzo 3, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Chicago to Illinois to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,333 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
8,068 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,679 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Illinois one-way?

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $59. Users have also found prices from $64 and $73 on United Airlines and Southern / Mokulele, respectively.

  • What are the most popular routes from Chicago O'Hare Intl Airport to Illinois?

    While some choose either Chicago O'Hare Intl - Evansville Dress Regional or Chicago O'Hare Intl - Decatur Arpt, Chicago O'Hare Intl - Lambert-St Louis is the most popular route from Chicago O'Hare Intl Airport to Illinois.

  • Can I find deals for flights from O'Hare Intl to Illinois that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Illinois.

  • Can I find deals for business class flights from O'Hare Intl to Illinois?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Illinois (average of $245). Flying from Chicago O'Hare Intl Airport to Illinois in March is currently the most expensive (average of $322). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for O'Hare Intl to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from O'Hare Intl to Illinois

Discover the top 2 airlines that operate flights from O'Hare Intl to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated marzo 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$160Average$384FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$179Average$316FlexibilityNo cancel feeOn-time69%
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