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$54+ Cheap flights from Illinois to Houston

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HOU
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
1 adult, Economy
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Cheap flight deals from Illinois to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 19, 2024.

Round-trip from

$111
(Cheapflightsfares)

One-way from

$54
(Cheapflightsfares)
From Illinois to Houston
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One-way flight from Illinois to Houston
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Find flight deals from Illinois to Houston

Cheapest flights from Illinois to Houston
Explore the most affordable flight options available from Illinois to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

This Kiwi.com deal was found by Cheapflights users on 12/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/318:14 pmORD - IAH
Nonstop2h 56mMultiple Airlines
Mon 1/2710:09 amIAH - ORD
1 stop4h 51mMultiple Airlines
Deal found 12/18$157
This FlightHub deal was found by Cheapflights users on 12/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/252:30 pmMDW - IAH
Nonstop2h 50mFrontier
Tue 12/317:40 pmIAH - MDW
1 stop12h 41mFrontier
Deal found 12/19$181
This Kiwi.com deal was found by Cheapflights users on 12/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/318:14 pmORD - IAH
Nonstop2h 56mSpirit Airlines
Tue 1/286:15 pmIAH - ORD
Nonstop2h 45mSpirit Airlines
Deal found 12/18$192
This Trip.com deal was found by Cheapflights users on 12/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/296:00 amORD - IAH
Nonstop2h 50mFrontier
Wed 1/812:05 pmIAH - ORD
1 stop29h 22mFrontier
Deal found 12/19$213
This Mytrip deal was found by Cheapflights users on 12/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/228:40 pmSTL - IAH
1 stop10h 40mFrontier
Thu 1/169:17 pmIAH - STL
1 stop26h 14mFrontier
Deal found 12/18$225
This Delta deal was found by Cheapflights users on 12/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:50 pmORD - IAH
1 stop5h 51mDelta
Sun 1/265:25 amIAH - ORD
1 stop7h 30mDelta
Deal found 12/18$286
This American Airlines deal was found by Cheapflights users on 12/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2511:56 amORD - HOU
1 stop7h 47mAmerican Airlines
Thu 1/910:15 amHOU - ORD
1 stop5h 11mAmerican Airlines
Deal found 12/18$306
This American Airlines deal was found by Cheapflights users on 12/19. 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.
Fri 12/205:45 amMLI - IAH
1 stop6h 56mAmerican Airlines
Sat 12/285:59 pmIAH - MLI
1 stop4h 59mAmerican Airlines
Deal found 12/19$323
This American Airlines deal was found by Cheapflights users on 12/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2511:56 amORD - IAH
1 stop6h 11mAmerican Airlines
Thu 1/92:00 pmIAH - ORD
Nonstop2h 42mAmerican Airlines
Deal found 12/18$332
This American Airlines deal was found by Cheapflights users on 12/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/313:39 pmPIA - IAH
1 stop4h 56mAmerican Airlines
Thu 1/25:00 amIAH - PIA
2 stops9h 14mAmerican Airlines
Deal found 12/18$339
This Gotogate deal was found by Cheapflights users on 12/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:00 amORD - HOU
1 stop13h 09mFrontier
Wed 1/296:16 pmHOU - ORD
1 stop19h 46mFrontier
Deal found 12/18$381
This Southwest deal was found by Cheapflights users on 12/17. 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 12/251:45 pmORD - HOU
1 stop4h 55mSouthwest
Tue 12/311:50 pmHOU - ORD
1 stop8h 10mSouthwest
Deal found 12/17$391

Find flights from Illinois to Houston within your budget

Customize your flight search to find flights from Illinois to Houston 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 December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Wed 2/19

8:45 am-11:35 am

Nonstop2h 50m

Houston George Bush Intcntl

Wed 3/19

1:15 pm-3:46 pm

Nonstop2h 31m

$111

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 2/10

3:56 pm-9:04 pm

1 stop5h 08m

Houston George Bush Intcntl

Sat 2/15

11:24 am-2:09 pm

Nonstop2h 45m

$111

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 1/8

5:10 am-8:01 am

Nonstop2h 51m

Houston George Bush Intcntl

Fri 1/17

10:09 am-3:00 pm

1 stop4h 51m

$113

ChicagoHouston

MDW - HOU

MDWHOU

Chicago Midway

Thu 1/9

7:15 am-9:33 am

1 stop26h 18m

Houston Hobby

Mon 1/13

10:36 am-12:13 am

1 stop13h 37m

$113

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 1/8

5:10 am-8:01 am

Nonstop2h 51m

Houston George Bush Intcntl

Wed 1/15

8:50 pm-11:34 pm

Nonstop2h 44m

$117

ChicagoHouston

ORD - HOU

ORDHOU

Chicago O'Hare Intl

Thu 1/9

7:25 am-9:33 am

1 stop26h 08m

Houston Hobby

Sun 1/12

6:18 pm-12:35 am

1 stop6h 17m

$133

ChicagoHouston

MDW - HOU

MDWHOU

Chicago Midway

Tue 2/4

8:40 pm-11:25 pm

Nonstop2h 45m

Houston Hobby

Sun 2/9

6:55 am-9:15 am

Nonstop2h 20m

$178

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 1/11

9:46 am-3:03 pm

1 stop5h 17m

Houston George Bush Intcntl

Wed 1/15

7:05 am-1:45 pm

1 stop6h 40m

$216

ChicagoHouston

ORD - HOU

ORDHOU

Chicago O'Hare Intl

Sat 2/1

2:55 pm-9:25 pm

1 stop6h 30m

Houston Hobby

Sat 2/22

6:00 am-1:42 pm

1 stop7h 42m

$216

ChicagoHouston

MDW - HOU

MDWHOU

Chicago Midway

Sat 2/1

3:41 pm-9:25 pm

1 stop5h 44m

Houston Hobby

Sat 2/8

5:00 pm-10:20 pm

1 stop5h 20m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Houston

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

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

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

Currently, September is the cheapest month in which you can book a flight from Illinois to Houston (average of $230). Flying from Illinois to Houston in March is currently the most expensive (average of $334). 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 IL to HOU?

Find hourly flight availability from Illinois to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 19, 2024.

When flying from Illinois to Houston, 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 Houston by month

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

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

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

If weather is an important factor for your trip to Houston, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated December 19, 2024.
Peruse reviews from past customers who have flown with Frontier, Southwest and Delta from Illinois to Houston to help guide your decision. 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
4,836 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Southwest
8.1
Very good
4,836 reviews
Southwest
8.1
Very good
4,836 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Alaska Airlines
8.0
Very good
9,551 reviews
Southwest
8.1
Very good
4,836 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Delta
8.0
Very good
8,600 reviews
Southwest
8.1
Very good
4,836 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

JetBlue
7.4
Good
3,274 reviews
Southwest
8.1
Very good
4,836 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

United Airlines
7.4
Good
9,048 reviews
Southwest
8.1
Very good
4,836 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Related info for your journey

Find useful and relevant information for your journey from Illinois to Houston. 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 Illinois to Houston one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $54. However, be on the lookout for offers from Spirit Airlines and United Airlines, as they are both options that can get you from Illinois to Houston for a low price.

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

    The most popular route from Illinois to Houston is Chicago O'Hare Intl - Houston Hobby. You may also consider Chicago Midway - Houston Hobby or Chicago O'Hare Intl - Houston George Bush Intcntl.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Illinois to Houston (average of $230). Flying from Illinois to Houston in March is currently the most expensive (average of $334). 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 Illinois to Houston

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Dallas/Fort Worth flights
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Top 6 airlines flying from Illinois to Houston

Discover the top 6 airlines that operate flights from Illinois to Houston. 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 December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$145FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$70Average$161FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$141Average$428FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$155Average$409FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$178Average$355FlexibilityNo cancel feeOn-time63%
DeltaCheapest$196Average$395FlexibilityNo cancel feeOn-timeN/A
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