$65+ Cheap flights from Illinois to George Bush Intcntl (IAH)
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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Illinois to George Bush Intcntl 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 Illinois to George Bush Intcntl
Keep the following information in mind while searching for Illinois to George Bush Intcntl flight deals. Data was last updated June 12, 2025.
Round-trip from | $129 (Frontier) |
|---|---|
One-way from | $65 (Trip.com) |
Popular in | March |
Cheapest in | August |
Average price | $211 |
Good round-trip deal | $159 or less |
Good one-way deal | $87 or less |
Find flight deals from Illinois to George Bush Intcntl
Cheapest flights from Illinois to George Bush IntcntlExplore the most affordable flight options available from Illinois to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Illinois to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
This FlightHub deal was found by Cheapflights users on 6/11. 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.
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/12. 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.
This Delta deal was found by Cheapflights users on 6/10. 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.
This Delta deal was found by Cheapflights users on 6/11. 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.
This Delta deal was found by Cheapflights users on 6/11. 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.
This Delta deal was found by Cheapflights users on 6/11. 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.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to George Bush Intcntl 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 June 12, 2025.
Use the filters below to find and compare flights from Illinois to Houston George Bush Intcntl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoHouston
MDW - IAH
MDWIAH
Chicago Midway
Thu 9/4
6:00 am-8:49 am
Nonstop2h 49m
Houston George Bush Intcntl
Mon 9/8
9:34 am-12:06 pm
Nonstop2h 32m
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Mon 7/21
9:10 pm-11:59 pm
Nonstop2h 49m
Houston George Bush Intcntl
Sun 7/27
5:15 am-7:50 am
Nonstop2h 35m
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Mon 7/21
6:30 am-9:20 am
Nonstop2h 50m
Houston George Bush Intcntl
Mon 7/28
5:15 am-7:50 am
Nonstop2h 35m
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Mon 9/22
10:25 am-10:03 pm
1 stop11h 38m
Houston George Bush Intcntl
Sun 9/28
9:01 pm-9:36 am
1 stop12h 35m
MolineHouston
MLI - IAH
MLIIAH
Moline Quad-City
Wed 8/6
6:18 pm-11:23 pm
1 stop5h 05m
Houston George Bush Intcntl
Tue 8/12
7:15 am-3:50 pm
1 stop8h 35m
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Wed 7/9
8:22 pm-11:24 pm
Nonstop3h 02m
Houston George Bush Intcntl
Fri 7/11
6:22 pm-9:25 pm
Nonstop3h 03m
MolineHouston
MLI - IAH
MLIIAH
Moline Quad-City
Wed 9/3
4:59 pm-11:56 pm
1 stop6h 57m
Houston George Bush Intcntl
Tue 9/16
3:40 pm-10:30 pm
1 stop6h 50m
ChicagoHouston
MDW - IAH
MDWIAH
Chicago Midway
Wed 7/23
9:24 am-5:35 pm
1 stop8h 11m
Houston George Bush Intcntl
Wed 7/30
3:55 pm-9:42 pm
1 stop5h 47m
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Sat 7/26
7:00 am-2:50 pm
1 stop7h 50m
Houston George Bush Intcntl
Sat 8/2
8:10 am-2:53 pm
1 stop6h 43m
St. LouisHouston
STL - IAH
STLIAH
Lambert-St Louis
Thu 7/17
10:47 am-7:25 pm
1 stop8h 38m
Houston George Bush Intcntl
Sun 7/20
8:30 pm-9:52 am
1 stop13h 22m
Best time to book a flight from Illinois to George Bush Intcntl
Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Illinois with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Houston George Bush Intcntl Airport
What is the cheapest month to book a flight from Illinois to Houston George Bush Intcntl Airport?
Currently, August is the cheapest month in which you can book a flight from Illinois to Houston George Bush Intcntl Airport (average of $241). Flying from Illinois to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 IAH?
Find hourly flight availability from Illinois to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Houston George Bush Intcntl Airport as you normally would.
Weekly flight availability from Illinois to Houston George Bush Intcntl Airport
Explore weekly flight availability from Illinois to George Bush Intcntl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.
The most flights from USIL to IAH are scheduled on a Thursday (62 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 on average).
Rainfall in George Bush Intcntl by month
Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport when rainfall is around 3.2 in.
Temperature in George Bush Intcntl by month
Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Houston George Bush Intcntl Airport, 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 George Bush Intcntl
Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Qatar Airways from Illinois to Houston to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
James,Apr 2025
LAX - SFO
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
James,Apr 2025
LAX - SFO
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
James,Apr 2025
LAX - SFO
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
James,Apr 2025
LAX - SFO
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
James,Apr 2025
LAX - SFO
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
James,Apr 2025
LAX - SFO
Related info for your journey
Find useful and relevant information for your journey from Illinois to George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Illinois to George Bush Intcntl
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Illinois to George Bush Intcntl
Discover the top 5 airlines that operate flights from Illinois to George Bush Intcntl. 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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$153 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$71 | Average$172 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$157 | Average$374 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$177 | Average$363 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$216 | Average$392 | FlexibilityNo cancel fee | On-timeN/A |