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$81+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ORD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Round-trip from

$127
(FlightHub)

One-way from

$81
(Frontier)

Popular in

March

Cheapest in

September

Average price

$187

Good round-trip deal

$274 or less

Good one-way deal

$198 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. 4% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
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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.
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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 February 20, 2025.

This FlightHub deal was found by Cheapflights users on 2/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1210:36 amHOU - ORD
1 stop14h 08mFrontier
Tue 3/256:45 amORD - HOU
1 stop26h 51mFrontier
Deal found 2/18$127
This FlightHub deal was found by Cheapflights users on 2/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1210:36 amHOU - MDW
1 stop13h 41mFrontier
Tue 3/256:40 amMDW - HOU
1 stop26h 56mFrontier
Deal found 2/18$147
This Southwest deal was found by Cheapflights users on 2/19. 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.
Mon 3/315:10 amHOU - STL
Nonstop1h 55mSouthwest
Wed 4/26:30 amSTL - HOU
Nonstop2h 15mSouthwest
Deal found 2/19$177
This Southwest deal was found by Cheapflights users on 2/18. 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 3/128:10 amHOU - MDW
Nonstop2h 25mSouthwest
Tue 3/256:00 pmMDW - HOU
Nonstop2h 45mSouthwest
Deal found 2/18$198
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/189:08 amHOU - PIA
2 stops7h 13mAmerican Airlines
Tue 3/254:52 pmPIA - HOU
2 stops7h 01mAmerican Airlines
Deal found 2/19$209
This Southwest deal was found by Cheapflights users on 2/19. 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 3/186:30 amHOU - ORD
1 stop6h 35mSouthwest
Tue 3/2512:40 pmORD - HOU
1 stop8h 10mSouthwest
Deal found 2/19$217
This Delta deal was found by Cheapflights users on 2/19. 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 4/56:00 amHOU - STL
1 stop5h 56mDelta
Sat 4/124:30 pmSTL - HOU
1 stop4h 52mDelta
Deal found 2/19$237
This Delta deal was found by Cheapflights users on 2/19. 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.
Tue 3/186:00 amHOU - ORD
1 stop7h 45mDelta
Tue 3/255:30 pmORD - HOU
1 stop5h 36mDelta
Deal found 2/19$238
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 4/510:18 amHOU - ORD
1 stop7h 18mAmerican Airlines
Sat 4/125:00 amORD - HOU
1 stop4h 47mAmerican Airlines
Deal found 2/19$256
This Delta deal was found by Cheapflights users on 2/19. 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 4/2610:35 amHOU - MDW
1 stop7h 24mDelta
Tue 4/2912:48 pmMDW - HOU
1 stop5h 02mDelta
Deal found 2/19$257
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 3/316:00 amHOU - STL
1 stop4h 38mAmerican Airlines
Tue 4/19:28 amSTL - HOU
1 stop5h 40mAmerican Airlines
Deal found 2/19$267
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/199:08 amHOU - MLI
2 stops6h 44mAmerican Airlines
Wed 3/2612:40 pmMLI - HOU
2 stops7h 03mAmerican Airlines
Deal found 2/19$309

Find flights from Hobby to Illinois within your budget

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 February 20, 2025.

Fly from

Hobby

Fly to

Illinois

Route

Depart

Return

Price

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Wed 3/12

10:36 am-12:44 am

1 stop14h 08m

Chicago O'Hare Intl

Tue 3/25

6:45 am-9:36 am

1 stop26h 51m

$127

HoustonChicago

HOU - MDW

HOUMDW

Houston Hobby

Wed 3/12

10:36 am-12:17 am

1 stop13h 41m

Chicago Midway

Tue 3/25

6:40 am-9:36 am

1 stop26h 56m

$147

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Mon 3/31

5:10 am-7:05 am

Nonstop1h 55m

Lambert-St Louis

Wed 4/2

6:30 am-8:45 am

Nonstop2h 15m

$177

HoustonChicago

HOU - MDW

HOUMDW

Houston Hobby

Wed 3/12

8:10 am-10:35 am

Nonstop2h 25m

Chicago Midway

Tue 3/25

6:00 pm-8:45 pm

Nonstop2h 45m

$198

HoustonPeoria

HOU - PIA

HOUPIA

Houston Hobby

Tue 3/18

9:08 am-4:21 pm

2 stops7h 13m

Greater Peoria

Tue 3/25

4:52 pm-11:53 pm

2 stops7h 01m

$209

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Tue 3/18

6:30 am-1:05 pm

1 stop6h 35m

Chicago O'Hare Intl

Tue 3/25

12:40 pm-8:50 pm

1 stop8h 10m

$217

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Sat 4/5

6:00 am-11:56 am

1 stop5h 56m

Lambert-St Louis

Sat 4/12

4:30 pm-9:22 pm

1 stop4h 52m

$237

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Tue 3/18

6:00 am-1:45 pm

1 stop7h 45m

Chicago O'Hare Intl

Tue 3/25

5:30 pm-11:06 pm

1 stop5h 36m

$238

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Sat 4/5

10:18 am-5:36 pm

1 stop7h 18m

Chicago O'Hare Intl

Sat 4/12

5:00 am-9:47 am

1 stop4h 47m

$256

HoustonChicago

HOU - MDW

HOUMDW

Houston Hobby

Sat 4/26

10:35 am-5:59 pm

1 stop7h 24m

Chicago Midway

Tue 4/29

12:48 pm-5:50 pm

1 stop5h 02m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 40 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.

Travel insights for flights from Hobby to Illinois

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

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 February 20, 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 February 20, 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
4,413 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,413 reviews
Southwest
8.1
Very good
4,413 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,691 reviews
Southwest
8.1
Very good
4,413 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,227 reviews
Southwest
8.1
Very good
4,413 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Allegiant Air
7.3
Good
765 reviews
Southwest
8.1
Very good
4,413 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,413 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 Frontier, which is currently one of the cheapest options available, starting at $81. Southwest flights start at $89 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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George Bush Intcntl to Honolulu flights
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Hobby to Salt Lake City flights
Hobby to Midway flights
George Bush Intcntl to Philadelphia flights
Hobby to Santa Ana flights
George Bush Intcntl to Charlotte flights

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$143FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$62Average$157FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$143Average$406FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$157Average$410FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$395FlexibilityNo cancel feeOn-time63%
DeltaCheapest$317Average$490FlexibilityNo cancel feeOn-timeN/A
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