$48+ 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 5/11. 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
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 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 April 11, 2025.
Round-trip from | $99 (Frontier) |
|---|---|
One-way from | $48 (Cheapflightsfares) |
Popular in | March |
Cheapest in | September |
Average price | $183 |
Good round-trip deal | $124 or less |
Good one-way deal | $89 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 April 11, 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 April 11, 2025.
This Frontier deal was found by Cheapflights users on 4/9. 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 Frontier 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 4/11. 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 Cheapflightsfares 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 4/10. 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 Kiwi.com 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 4/11. 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 American Airlines deal was found by Cheapflights users on 4/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Booking.com deal was found by Cheapflights users on 4/9. 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 Booking.com 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 4/9. 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 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 4/11. 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 Mytrip deal was found by Cheapflights users on 4/9. 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 Mytrip 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 4/11. 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.
This American Airlines deal was found by Cheapflights users on 4/10. 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 American Airlines 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 4/10. 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 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 April 11, 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 - MDW
IAHMDW
Houston George Bush Intcntl
Wed 5/14
10:40 am-1:17 pm
Nonstop2h 37m
Chicago Midway
Wed 5/21
12:21 pm-3:18 pm
Nonstop2h 57m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Thu 5/1
5:13 pm-7:59 pm
Nonstop2h 46m
Chicago O'Hare Intl
Mon 5/5
9:04 pm-11:54 pm
Nonstop2h 50m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Fri 5/9
1:14 pm-3:57 pm
Nonstop2h 43m
Chicago O'Hare Intl
Sun 5/11
12:45 pm-3:29 pm
Nonstop2h 44m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Thu 5/1
4:27 pm-7:11 pm
Nonstop2h 44m
Chicago O'Hare Intl
Sat 5/3
9:19 am-6:32 pm
1 stop9h 13m
HoustonPeoria
IAH - PIA
IAHPIA
Houston George Bush Intcntl
Sun 5/25
5:00 am-11:04 am
1 stop6h 04m
Greater Peoria
Sat 5/31
3:37 pm-10:44 pm
1 stop7h 07m
HoustonSt. Louis
IAH - STL
IAHSTL
Houston George Bush Intcntl
Sat 5/24
8:42 pm-11:52 pm
1 stop27h 10m
Lambert-St Louis
Tue 5/27
2:40 pm-4:13 pm
1 stop25h 33m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Tue 5/13
5:06 pm-11:58 pm
1 stop6h 52m
Chicago O'Hare Intl
Wed 5/21
7:10 am-3:23 pm
1 stop8h 13m
HoustonChicago
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Tue 5/13
6:37 am-1:15 pm
1 stop6h 38m
Chicago Midway
Wed 6/4
9:16 am-3:23 pm
1 stop6h 07m
HoustonSt. Louis
IAH - STL
IAHSTL
Houston George Bush Intcntl
Thu 5/8
8:24 am-6:41 pm
2 stops10h 17m
Lambert-St Louis
Sat 5/10
10:10 am-7:53 am
1 stop21h 43m
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Fri 5/23
9:30 pm-12:13 am
Nonstop2h 43m
Chicago O'Hare Intl
Sun 6/1
6:00 am-8:50 am
Nonstop2h 50m
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 April 11, 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 April 11, 2025.
The most flights from IAH to USIL are scheduled on a Friday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (40 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 April 11, 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.
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Anonymous,Apr 2025
LAS - STS
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 April 11, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$51 | Average$144 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$66 | Average$144 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$144 | Average$372 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$148 | Average$406 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$196 | Average$406 | FlexibilityNo cancel fee | On-timeN/A |