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$59+ Cheap flights from Hobby (HOU) 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ORD
Jul 16 — Jul 231
Wed 7/16
Wed 7/23
1 adult, Economy
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Cheap flight deals from Hobby to Illinois

Keep the following information in mind while searching for Hobby to Illinois flight deals. Data was last updated July 11, 2025.

Round-trip from

$117
(Southwest)

One-way from

$59
(Southwest)

Popular in

June

Cheapest in

February

Average price

$188

Good round-trip deal

$217 or less

Good one-way deal

$179 or less
From Houston Hobby to Illinois
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One-way flight from Houston Hobby to Illinois
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Highest demand for flights based on searches. 6% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Houston Hobby to Illinois.
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Price to beat on a one-way flight from Houston Hobby to Illinois.
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Find flight deals from Hobby to Illinois

Cheapest flights from Hobby to Illinois
Explore the most affordable flight options available from Hobby to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.

This Southwest deal was found by Cheapflights users on 7/10. 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.
Sat 8/237:40 amHOU - STL
Nonstop2h 00mSouthwest
Sat 8/304:45 pmSTL - HOU
Nonstop2h 05mSouthwest
Deal found 7/10$117
This Southwest deal was found by Cheapflights users on 7/9. 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.
Sat 9/131:35 pmHOU - ORD
2 stops8h 25mSouthwest
Tue 9/166:00 amORD - HOU
2 stops7h 45mSouthwest
Deal found 7/9$123
This Southwest deal was found by Cheapflights users on 7/9. 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.
Wed 12/107:45 pmHOU - MDW
Nonstop2h 25mSouthwest
Sat 12/137:30 pmMDW - HOU
Nonstop2h 45mSouthwest
Deal found 7/9$135
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Wed 9/2410:15 amHOU - STL
1 stop4h 54mAmerican Airlines
Mon 9/295:18 amSTL - HOU
1 stop4h 26mAmerican Airlines
Deal found 7/8$159
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Wed 9/176:00 amHOU - MLI
1 stop4h 24mAmerican Airlines
Wed 9/2410:54 amMLI - HOU
1 stop5h 01mAmerican Airlines
Deal found 7/10$203
This Delta deal was found by Cheapflights users on 7/9. 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.
Fri 8/16:40 pmHOU - ORD
1 stop5h 29mDelta
Wed 8/65:35 amORD - HOU
1 stop6h 35mDelta
Deal found 7/9$225
This Delta deal was found by Cheapflights users on 7/8. 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.
Fri 8/226:34 pmHOU - STL
1 stop4h 40mDelta
Sun 8/246:00 amSTL - HOU
1 stop6h 10mDelta
Deal found 7/8$244
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Fri 9/269:04 amHOU - PIA
1 stop5h 58mAmerican Airlines
Mon 9/2911:24 amPIA - HOU
1 stop6h 45mAmerican Airlines
Deal found 7/10$329
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Fri 8/14:25 pmHOU - BMI
1 stop6h 32mAmerican Airlines
Fri 8/87:01 amBMI - HOU
1 stop6h 50mAmerican Airlines
Deal found 7/8$387
This Delta deal was found by Cheapflights users on 7/10. 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.
Wed 8/66:00 amHOU - EVV
1 stop6h 42mDelta
Mon 8/115:50 pmEVV - HOU
1 stop4h 41mDelta
Deal found 7/10$387
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Tue 8/1210:14 amHOU - EVV
2 stops6h 27mAmerican Airlines
Fri 8/151:37 pmEVV - HOU
1 stop6h 22mAmerican Airlines
Deal found 7/10$415
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Fri 8/298:51 amHOU - CMI
1 stop6h 25mAmerican Airlines
Tue 9/23:46 pmCMI - HOU
1 stop4h 13mAmerican Airlines
Deal found 7/8$461

Cheapflights Fare Finder

Customize your flight search to find flights from Hobby 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 July 11, 2025.
Use the filters below to find and compare flights from Houston Hobby Airport to Illinois that are best for you.

Fly from

Hobby

Fly to

Illinois

Route

Depart

Return

Price

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Sat 8/23

7:40 am-9:40 am

Nonstop2h 00m

Lambert-St Louis

Sat 8/30

4:45 pm-6:50 pm

Nonstop2h 05m

$117

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Sat 9/13

1:35 pm-10:00 pm

2 stops8h 25m

Chicago O'Hare Intl

Tue 9/16

6:00 am-1:45 pm

2 stops7h 45m

$123

HoustonChicago

HOU - MDW

HOUMDW

Houston Hobby

Wed 12/10

7:45 pm-10:10 pm

Nonstop2h 25m

Chicago Midway

Sat 12/13

7:30 pm-10:15 pm

Nonstop2h 45m

$135

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Wed 9/24

10:15 am-3:09 pm

1 stop4h 54m

Lambert-St Louis

Mon 9/29

5:18 am-9:44 am

1 stop4h 26m

$159

HoustonMoline

HOU - MLI

HOUMLI

Houston Hobby

Wed 9/17

6:00 am-10:24 am

1 stop4h 24m

Moline Quad-City

Wed 9/24

10:54 am-3:55 pm

1 stop5h 01m

$203

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Fri 8/1

6:40 pm-12:09 am

1 stop5h 29m

Chicago O'Hare Intl

Wed 8/6

5:35 am-12:10 pm

1 stop6h 35m

$225

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Fri 8/22

6:34 pm-11:14 pm

1 stop4h 40m

Lambert-St Louis

Sun 8/24

6:00 am-12:10 pm

1 stop6h 10m

$244

HoustonPeoria

HOU - PIA

HOUPIA

Houston Hobby

Fri 9/26

9:04 am-3:02 pm

1 stop5h 58m

Greater Peoria

Mon 9/29

11:24 am-6:09 pm

1 stop6h 45m

$329

HoustonEvansville

HOU - EVV

HOUEVV

Houston Hobby

Wed 8/6

6:00 am-12:42 pm

1 stop6h 42m

Evansville Dress Regional

Mon 8/11

5:50 pm-10:31 pm

1 stop4h 41m

$387

HoustonBloomington

HOU - BMI

HOUBMI

Houston Hobby

Fri 8/1

4:25 pm-10:57 pm

1 stop6h 32m

Bloomington-Normal

Fri 8/8

7:01 am-1:51 pm

1 stop6h 50m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

Showing 1-10 of 35 results
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Best time to book a flight from Hobby to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Hobby 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.

Cheapflights Insights

Everything you need to know about your flight from Houston Hobby Airport to Illinois

What is the cheapest month to book a flight from Houston Hobby Airport to Illinois?

Currently, August is the cheapest month in which you can book a flight from Houston Hobby Airport to Illinois (average of $245). Flying from Houston Hobby Airport to Illinois in March is currently the most expensive (average of $321). 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.

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

Find hourly flight availability from Hobby 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 July 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Houston Hobby Airport to Illinois as you normally would.

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 July 11, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and American Airlines from Houston Hobby Airport to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,249 reviews

Entertainment

7.6

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

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
8.0
Very good
4,249 reviews
Southwest
8.0
Very good
4,249 reviews

Entertainment

7.6

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

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
7,951 reviews
Southwest
8.0
Very good
4,249 reviews

Entertainment

7.6

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

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
8.0
Very good
4,249 reviews

Entertainment

7.6

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

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.
Allegiant Air
7.2
Good
704 reviews
Southwest
8.0
Very good
4,249 reviews

Entertainment

7.6

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

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.
Sun Country Air
6.9
Okay
335 reviews
Southwest
8.0
Very good
4,249 reviews

Entertainment

7.6

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

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 Hobby 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 Houston Hobby Airport to Illinois one-way?

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $59. American Airlines flights start at $80 while deals on Delta start at $99 one-way.

  • What are the most popular routes from Houston Hobby Airport to Illinois?

    The most popular flight routes from Houston Hobby Airport to Illinois are Houston Hobby - Chicago O'Hare Intl, Houston Hobby - Chicago Midway and Houston Hobby - Lambert-St Louis.

  • Can I find deals for flights from Hobby to Illinois that include hotel bookings?

    Yes. In addition to deals on Hobby to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hobby to Illinois?

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

  • Can I find deals for business class flights from Hobby to Illinois?

    Yes. Cheapflights offers flight deals from Hobby 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 Houston Hobby Airport to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Houston Hobby Airport to Illinois (average of $245). Flying from Houston Hobby Airport to Illinois in March is currently the most expensive (average of $321). 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.

See more FAQs

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Alternative routes for Hobby to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Hobby to Illinois

Discover the top 6 airlines that operate flights from Hobby 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 July 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$152FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$62Average$168FlexibilityNo cancel feeOn-time65%
DeltaCheapest$108Average$380FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$158Average$419FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$167Average$412FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$177Average$291FlexibilityNo cancel feeOn-time63%

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