Frontier offers extra comfort seats with 32” separation for added legroom on short flights.
Early morning flights have a better chance of on-time departure, avoiding carry-over delays.
$48+ Cheap flights from George Bush Intcntl (IAH) to Chicago (CHI)
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.
IAH — CHI
Apr 16 — Apr 231
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from George Bush Intcntl to Chicago 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.Cheapflights Tip: The best prices from Houston George Bush Intcntl to Chicago are usually found in September or March, booked 84 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from George Bush Intcntl to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Chicago (CHI). 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 April 11, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $99 (Frontier) |
One-way from | $48 (Cheapflightsfares) |
Popular in | December |
Cheapest in | September |
Average price | $189 |
Good round-trip deal | $124 or less |
Good one-way deal | $89 or less |
Find flight deals from George Bush Intcntl to Chicago
Cheapest flights from George Bush Intcntl to ChicagoExplore the most affordable flight options available from George Bush Intcntl to Chicago. 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 Chicago. 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.
Wed 5/1410:40 amIAH - MDW
Nonstop2h 37mFrontier
Wed 5/2112:21 pmMDW - IAH
Nonstop2h 57mFrontier
Deal found 4/9![Frontier logo]()
$99
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.
Thu 5/15:13 pmIAH - ORD
Nonstop2h 46mSpirit Airlines
Mon 5/59:04 pmORD - IAH
Nonstop2h 50mSpirit Airlines
Deal found 4/11![Spirit Airlines logo]()
$106
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.
Fri 5/91:14 pmIAH - ORD
Nonstop2h 43mMultiple Airlines
Sun 5/1112:45 pmORD - IAH
Nonstop2h 44mMultiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$129
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.
Thu 5/14:27 pmIAH - ORD
Nonstop2h 44mFrontier
Sat 5/39:19 amORD - IAH
1 stop9h 13mFrontier
Deal found 4/11![Frontier logo]()
$143
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.
Tue 5/135:06 pmIAH - ORD
1 stop6h 52mDelta
Wed 5/217:10 amORD - IAH
1 stop8h 13mDelta
Deal found 4/9![Delta logo]()
$217
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.
Tue 5/136:37 amIAH - MDW
1 stop6h 38mDelta
Wed 6/49:16 amMDW - IAH
1 stop6h 07mDelta
Deal found 4/11![Delta logo]()
$217
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.
Fri 5/239:30 pmIAH - ORD
Nonstop2h 43mUnited Airlines
Sun 6/16:00 amORD - IAH
Nonstop2h 50mUnited Airlines
Deal found 4/11![United Airlines logo]()
$237
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.
Tue 4/2910:04 amIAH - ORD
1 stop7h 30mAmerican Airlines
Wed 4/301:22 pmORD - IAH
Nonstop2h 59mAmerican Airlines
Deal found 4/10![American Airlines logo]()
$259
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/88:24 amIAH - RFD
1 stop6h 52mMultiple Airlines
Thu 6/124:06 pmRFD - IAH
1 stop4h 46mMultiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$265
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/191:58 pmIAH - MDW
2 stops24h 05mMultiple Airlines
Mon 6/2310:34 amMDW - IAH
2 stops27h 14mMultiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$386
Cheapflights Fare Finder
Customize your flight search to find flights from George Bush Intcntl to Chicago 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 Chicago that are best for you.
Fly from
George Bush Intcntl
Fly to
Chicago
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
$99
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
$106
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
$129
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
$143
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
$217
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
$217
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
$237
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Tue 4/29
4:57 pm-7:39 pm
Nonstop2h 42m
Chicago O'Hare Intl
Wed 4/30
1:22 pm-4:21 pm
Nonstop2h 59m
$249
HoustonChicago
IAH - RFD
IAHRFD
Houston George Bush Intcntl
Sun 6/8
8:24 am-3:16 pm
1 stop6h 52m
Chicago Greater Rockford
Thu 6/12
4:06 pm-8:52 pm
1 stop4h 46m
$265
HoustonChicago
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Thu 6/19
1:58 pm-2:03 pm
2 stops24h 05m
Chicago Midway
Mon 6/23
10:34 am-1:48 pm
2 stops27h 14m
$386
Showing 1-10 of 21 results
Compare providers for flights from George Bush Intcntl to Chicago
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Chicago in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Chicago flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Chicago flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
The best insider tips for Houston George Bush Intcntl Airport to Chicago flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to Chicago trip
Airlines
![Frontier]()
Frontier
![Spirit Airlines]()
Spirit Airlines
Spirit's Big Front Seats offer 11 inches more legroom, ideal for short flights.
Spirit's self-service bag drop saves time; print your boarding pass in advance.
![United Airlines]()
United Airlines
United's Polaris Lounges offer showers, napping areas, and dining for premium passengers.
United's Economy Plus offers extra legroom seats towards the front of the economy cabin.
Airports
Our travel experts
Best time to book a flight from George Bush Intcntl to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from George Bush Intcntl 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.
Cheapflights Insights
Everything you need to know about your flight from Houston George Bush Intcntl Airport to Chicago
How far ahead should I book a flight from Houston George Bush Intcntl Airport to Chicago?
Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Chicago. Price data was last updated on April 4, 2025.
To ensure you get the cheapest price possible for a flight from Houston George Bush Intcntl Airport to Chicago, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Chicago?
Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Chicago (average of $245). Flying from Houston George Bush Intcntl Airport to Chicago 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 CHI?
Find hourly flight availability from George Bush Intcntl to Chicago. 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 Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 78% versus a flight at noon.
What is the cheapest day to fly from Houston George Bush Intcntl Airport to Chicago?
Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Chicago. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Chicago flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Houston George Bush Intcntl Airport to Chicago
Explore weekly flight availability from George Bush Intcntl to Chicago. 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 CHI are scheduled on a Friday (60 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 Chicago by month
Plan your trip to Chicago by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Chicago 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 Chicago when rainfall is around 1.7 in.
Temperature in Chicago by month
Plan your trip to Chicago by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Chicago, 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 Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated April 11, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Houston to Chicago by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Entertainment
7.1
Boarding
8.2
Crew
8.5
Overall
8.0
Comfort
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Apr 2025
LAS - STS
Food
7.1
Entertainment
7.1
Boarding
8.2
Crew
8.5
Overall
8.0
Comfort
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Apr 2025
LAS - STS
Food
7.1
Entertainment
7.1
Boarding
8.2
Crew
8.5
Overall
8.0
Comfort
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Apr 2025
LAS - STS
Food
7.1
Entertainment
7.1
Boarding
8.2
Crew
8.5
Overall
8.0
Comfort
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Apr 2025
LAS - STS
Food
7.1
Entertainment
7.1
Boarding
8.2
Crew
8.5
Overall
8.0
Comfort
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Apr 2025
LAS - STS
Food
7.1
Entertainment
7.1
Boarding
8.2
Crew
8.5
Overall
8.0
Comfort
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Apr 2025
LAS - STS
Related info for your journey
Find useful and relevant information for your journey from George Bush Intcntl to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Houston George Bush Intcntl Airport?
Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locationsMerrillville
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton
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Alternative routes for George Bush Intcntl to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from George Bush Intcntl to Chicago
Discover the top 5 airlines that operate flights from George Bush Intcntl to Chicago. 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$244 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$148 | Average$335 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$196 | Average$406 | FlexibilityNo cancel fee | On-timeN/A |