HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$89+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ORD
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Hobby to Illinois with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 26, 2025.

Round-trip from

$177
(Southwest)

One-way from

$89
(Southwest)

Popular in

March

Cheapest in

September

Average price

$231

Good round-trip deal

$298 or less

Good one-way deal

$174 or less
From Houston Hobby to Illinois
Search Deals
One-way flight from Houston Hobby to Illinois
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from Houston Hobby to Illinois.
Search Deals
Price to beat on a one-way flight from Houston Hobby to Illinois.
Search Deals

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 March 26, 2025.

This Southwest deal was found by Cheapflights users on 3/25. 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 5/39:00 pmHOU - MDW
Nonstop2h 30mSouthwest
Tue 5/68:45 amMDW - HOU
Nonstop2h 45mSouthwest
Deal found 3/25$177
This Southwest deal was found by Cheapflights users on 3/25. 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.
Tue 5/62:20 pmHOU - STL
1 stop4h 25mSouthwest
Tue 5/275:20 amSTL - HOU
1 stop5h 50mSouthwest
Deal found 3/25$197
This Delta deal was found by Cheapflights users on 3/24. 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 4/234:00 pmHOU - ORD
1 stop4h 50mDelta
Wed 4/3011:15 amORD - HOU
1 stop6h 26mDelta
Deal found 3/24$217
This Delta deal was found by Cheapflights users on 3/26. 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.
Thu 4/246:45 pmHOU - STL
1 stop4h 51mDelta
Sat 4/2612:47 pmSTL - HOU
1 stop5h 24mDelta
Deal found 3/26$217
This Delta deal was found by Cheapflights users on 3/25. 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.
Sat 6/710:22 amHOU - MDW
1 stop4h 58mDelta
Tue 6/106:00 amMDW - HOU
1 stop6h 07mDelta
Deal found 3/25$228
This Southwest deal was found by Cheapflights users on 3/25. 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 5/76:00 amHOU - ORD
1 stop4h 45mSouthwest
Sat 5/101:50 pmORD - HOU
1 stop6h 00mSouthwest
Deal found 3/25$228
This American Airlines deal was found by Cheapflights users on 3/25. 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 4/112:10 pmHOU - MLI
1 stop7h 13mAmerican Airlines
Tue 4/153:24 pmMLI - HOU
1 stop7h 16mAmerican Airlines
Deal found 3/25$254
This American Airlines deal was found by Cheapflights users on 3/25. 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 7/165:00 amHOU - ORD
1 stop5h 04mAmerican Airlines
Wed 7/235:00 amORD - HOU
1 stop4h 40mAmerican Airlines
Deal found 3/25$257
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/86:00 amHOU - PIA
1 stop4h 18mAmerican Airlines
Sat 4/123:37 pmPIA - HOU
1 stop7h 03mAmerican Airlines
Deal found 3/24$259
This CheapOair deal was found by Cheapflights users on 3/25. 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.
Fri 4/1110:36 amHOU - STL
1 stop22h 30mFrontier
Sun 4/1312:22 pmSTL - HOU
1 stop21h 10mFrontier
Deal found 3/25$280
This CheapOair deal was found by Cheapflights users on 3/25. 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.
Sat 4/512:27 pmHOU - MDW
1 stop11h 54mFrontier
Tue 4/86:45 amMDW - HOU
1 stop26h 47mFrontier
Deal found 3/25$282
This Sun Country Air deal was found by Cheapflights users on 3/25. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:30 pmHOU - ORD
1 stop17h 57mSun Country Air
Sun 6/17:00 amORD - HOU
1 stop10h 39mSun Country Air
Deal found 3/25$300

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 March 26, 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

HoustonChicago

HOU - MDW

HOUMDW

Houston Hobby

Sat 5/3

9:00 pm-11:30 pm

Nonstop2h 30m

Chicago Midway

Tue 5/6

8:45 am-11:30 am

Nonstop2h 45m

$177

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Tue 5/6

2:20 pm-6:45 pm

1 stop4h 25m

Lambert-St Louis

Tue 5/27

5:20 am-11:10 am

1 stop5h 50m

$197

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Wed 4/23

4:00 pm-8:50 pm

1 stop4h 50m

Chicago O'Hare Intl

Wed 4/30

11:15 am-5:41 pm

1 stop6h 26m

$217

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Thu 4/24

6:45 pm-11:36 pm

1 stop4h 51m

Lambert-St Louis

Sat 4/26

12:47 pm-6:11 pm

1 stop5h 24m

$217

HoustonChicago

HOU - MDW

HOUMDW

Houston Hobby

Sat 6/7

10:22 am-3:20 pm

1 stop4h 58m

Chicago Midway

Tue 6/10

6:00 am-12:07 pm

1 stop6h 07m

$228

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Wed 5/7

6:00 am-10:45 am

1 stop4h 45m

Chicago O'Hare Intl

Sat 5/10

1:50 pm-7:50 pm

1 stop6h 00m

$228

HoustonMoline

HOU - MLI

HOUMLI

Houston Hobby

Fri 4/11

2:10 pm-9:23 pm

1 stop7h 13m

Moline Quad-City

Tue 4/15

3:24 pm-10:40 pm

1 stop7h 16m

$254

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Wed 7/16

5:00 am-10:04 am

1 stop5h 04m

Chicago O'Hare Intl

Wed 7/23

5:00 am-9:40 am

1 stop4h 40m

$257

HoustonPeoria

HOU - PIA

HOUPIA

Houston Hobby

Tue 4/8

6:00 am-10:18 am

1 stop4h 18m

Greater Peoria

Sat 4/12

3:37 pm-10:40 pm

1 stop7h 03m

$259

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Fri 4/11

10:36 am-9:06 am

1 stop22h 30m

Lambert-St Louis

Sun 4/13

12:22 pm-9:32 am

1 stop21h 10m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 41 results
1
2
3
...
5

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 $323). 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 March 26, 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.

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 March 26, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Houston to Illinois by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.1

Entertainment

7.6

Crew

8.6

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
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.1

Entertainment

7.6

Crew

8.6

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.
Alaska Airlines
8.0
Very good
9,789 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.1

Entertainment

7.6

Crew

8.6

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
7,891 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.1

Entertainment

7.6

Crew

8.6

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
7.3
Good
730 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.1

Entertainment

7.6

Crew

8.6

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
4,274 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.1

Entertainment

7.6

Crew

8.6

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 $89. Delta flights start at $99 while deals on Allegiant Air start at $103 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 $323). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Hobby to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Las Vegas flights
Hobby to Seattle flights
Hobby to Newark flights
Hobby to LaGuardia flights
Hobby to Los Angeles flights
George Bush Intcntl to Las Vegas flights
Hobby to Baltimore flights
George Bush Intcntl to Newark flights
Hobby to Denver flights
Hobby to John F Kennedy Intl flights
George Bush Intcntl to Los Angeles flights
George Bush Intcntl to Seattle flights
Hobby to Dulles Intl flights
Hobby to Orlando flights
George Bush Intcntl to John F Kennedy Intl flights
Hobby to Reagan-National flights
Hobby to Miami flights
Hobby to Boston flights
George Bush Intcntl to Dulles Intl flights
George Bush Intcntl to Denver flights
George Bush Intcntl to LaGuardia flights
Hobby to Fort Lauderdale flights
Hobby to Honolulu flights
George Bush Intcntl to Baltimore flights
Hobby to O'Hare Intl flights
George Bush Intcntl to Boston flights
George Bush Intcntl to Reagan-National flights
George Bush Intcntl to Orlando flights
George Bush Intcntl to Miami flights
Hobby to San Francisco flights
Hobby to Ontario flights
George Bush Intcntl to Honolulu flights
Hobby to Atlanta flights
George Bush Intcntl to Dallas/Fort Worth flights
George Bush Intcntl to Fort Lauderdale flights
Hobby to Dallas/Fort Worth flights
George Bush Intcntl to Ontario flights
Hobby to Philadelphia flights
George Bush Intcntl to San Francisco flights
Hobby to Charlotte flights
George Bush Intcntl to O'Hare Intl flights
Hobby to San Diego flights
Hobby to Sky Harbor Intl flights
Hobby to Midway flights
George Bush Intcntl to Philadelphia flights
George Bush Intcntl to Sky Harbor Intl flights
George Bush Intcntl to Charlotte flights
Hobby to Salt Lake City flights
Hobby to New Orleans flights
George Bush Intcntl to Atlanta flights

Top 5 airlines flying from Hobby to Illinois

Discover the top 5 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$52Average$141FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$60Average$154FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$154Average$410FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$157Average$406FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$195Average$361FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.