$61+ Cheap flights from George Bush Intcntl (IAH) 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from George Bush Intcntl 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
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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 George Bush Intcntl to Illinois
Keep the following information in mind while searching for George Bush Intcntl to Illinois flight deals. Data was last updated May 20, 2025.
Round-trip from | $122 (Cheapflightsfares) |
|---|---|
One-way from | $61 (Expedia) |
Popular in | March |
Cheapest in | September |
Average price | $196 |
Good round-trip deal | $133 or less |
Good one-way deal | $70 or less |
Find flight deals from George Bush Intcntl to Illinois
Cheapest flights from George Bush Intcntl to IllinoisExplore the most affordable flight options available from George Bush Intcntl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2025.
Explore the most affordable flight options available from George Bush Intcntl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 5/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia deal was found by Cheapflights users on 5/19. 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 Expedia 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 5/20. 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 Frontier deal was found by Cheapflights users on 5/19. 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 Frontier 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 5/19. 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.
This Mytrip deal was found by Cheapflights users on 5/19. 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 Mytrip 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 5/20. 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 Mytrip deal was found by Cheapflights users on 5/18. 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.
This Delta deal was found by Cheapflights users on 5/20. 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 5/18. 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.
This Priceline deal was found by Cheapflights users on 5/20. 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 Priceline 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 5/19. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from George Bush Intcntl 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 May 20, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Thu 6/12
10:06 am-12:58 pm
Nonstop2h 52m
Chicago O'Hare Intl
Wed 6/18
9:45 pm-12:34 am
Nonstop2h 49m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Sun 6/8
7:54 pm-10:39 pm
Nonstop2h 45m
Chicago O'Hare Intl
Tue 6/10
9:14 pm-11:59 pm
Nonstop2h 45m
HoustonChicago
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Mon 6/30
7:45 pm-10:18 pm
Nonstop2h 33m
Chicago Midway
Fri 7/4
4:01 pm-7:00 pm
Nonstop2h 59m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Thu 8/14
10:05 am-12:49 pm
Nonstop2h 44m
Chicago O'Hare Intl
Sun 8/17
6:30 am-9:20 am
Nonstop2h 50m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Fri 8/1
6:22 pm-9:25 pm
Nonstop3h 03m
Chicago O'Hare Intl
Tue 8/5
6:55 am-9:32 am
Nonstop2h 37m
HoustonChicago
IAH - RFD
IAHRFD
Houston George Bush Intcntl
Thu 6/5
8:24 am-3:16 pm
1 stop6h 52m
Chicago Greater Rockford
Sun 6/8
4:06 pm-7:29 am
1 stop15h 23m
HoustonSt. Louis
IAH - STL
IAHSTL
Houston George Bush Intcntl
Thu 6/12
10:04 pm-9:12 am
1 stop11h 08m
Lambert-St Louis
Mon 6/16
7:29 pm-11:43 pm
1 stop28h 14m
HoustonSt. Louis
IAH - STL
IAHSTL
Houston George Bush Intcntl
Mon 6/16
10:08 am-6:18 pm
1 stop8h 10m
Lambert-St Louis
Mon 6/23
7:13 pm-7:59 pm
1 stop24h 46m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Fri 7/4
6:00 pm-11:59 pm
1 stop5h 59m
Chicago O'Hare Intl
Tue 7/8
9:50 am-2:50 pm
1 stop5h 00m
HoustonChicago
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Wed 7/16
5:30 am-12:29 pm
1 stop6h 59m
Chicago Midway
Sat 7/19
12:43 pm-7:38 pm
1 stop6h 55m
Best time to book a flight from George Bush Intcntl to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from George Bush Intcntl with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Houston George Bush Intcntl Airport to Illinois
What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Illinois?
Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Illinois (average of $245). Flying from Houston George Bush Intcntl 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 IAH to IL?
Find hourly flight availability from George Bush Intcntl 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 May 20, 2025.
When flying from Houston George Bush Intcntl Airport to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Houston George Bush Intcntl Airport to Illinois
Explore weekly flight availability from George Bush Intcntl to Illinois. 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 May 20, 2025.
The most flights from IAH to USIL are scheduled on a Tuesday (61 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 on average).
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 May 20, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Houston to Illinois to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
James,Apr 2025
LAX - SFO
Related info for your journey
Find useful and relevant information for your journey from George Bush Intcntl to Illinois. 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 George Bush Intcntl to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from George Bush Intcntl to Illinois
Discover the top 5 airlines that operate flights from George Bush Intcntl 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 May 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$54 | Average$153 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$67 | Average$149 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$139 | Average$374 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$147 | Average$389 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$196 | Average$346 | FlexibilityNo cancel fee | On-timeN/A |