George Bush Intcntl

$59+ 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAH
Jan 22 — Jan 291
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Cheap flight deals from Illinois to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to George Bush Intcntl (IAH). 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 January 17, 2025.

Round-trip from

$116
(Kiwi.com)

One-way from

$59
(Kiwi.com)
From Illinois to Houston George Bush Intcntl
One-way flight from Illinois to Houston George Bush Intcntl

Find flight deals from Illinois to George Bush Intcntl

Cheapest flights from Illinois to George Bush Intcntl
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 January 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 1/16. 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 2/64:08 pmMDW - IAH
Nonstop2h 50mFrontier
Sun 2/98:15 pmIAH - MDW
Nonstop2h 31mFrontier
Deal found 1/16$116
This Cheapflightsfares deal was found by Cheapflights users on 1/15. 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.
Sun 2/910:09 amORD - IAH
Nonstop2h 59mFrontier
Thu 2/139:09 amIAH - ORD
Nonstop2h 45mFrontier
Deal found 1/15$116
This Kiwi.com deal was found by Cheapflights users on 1/15. 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.
Sun 2/99:22 pmORD - IAH
1 stop10h 04mMultiple Airlines
Wed 2/128:37 pmIAH - ORD
Nonstop2h 41mMultiple Airlines
Deal found 1/15$120
This FlightHub deal was found by Cheapflights users on 1/15. 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.
Fri 1/314:27 pmORD - IAH
Nonstop2h 56mSpirit Airlines
Mon 2/38:50 pmIAH - ORD
Nonstop2h 44mSpirit Airlines
Deal found 1/15$123
This American Airlines deal was found by Cheapflights users on 1/16. 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 2/45:00 amPIA - IAH
1 stop8h 56mAmerican Airlines
Tue 2/119:59 amIAH - PIA
1 stop5h 51mAmerican Airlines
Deal found 1/16$199
This Delta deal was found by Cheapflights users on 1/16. 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.
Sat 2/83:41 pmMDW - IAH
1 stop5h 03mDelta
Wed 2/1211:54 amIAH - MDW
1 stop6h 17mDelta
Deal found 1/16$217
This American Airlines deal was found by Cheapflights users on 1/16. 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 2/216:32 pmMLI - IAH
1 stop4h 58mAmerican Airlines
Tue 2/257:42 amIAH - MLI
1 stop8h 09mAmerican Airlines
Deal found 1/16$224
This Delta deal was found by Cheapflights users on 1/14. 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.
Wed 2/55:10 pmORD - IAH
1 stop6h 49mDelta
Wed 2/124:30 pmIAH - ORD
1 stop5h 28mDelta
Deal found 1/14$227
This Delta deal was found by Cheapflights users on 1/16. 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 4/225:00 pmMLI - IAH
1 stop6h 56mDelta
Sat 4/265:00 pmIAH - MLI
1 stop5h 29mDelta
Deal found 1/16$233
This American Airlines deal was found by Cheapflights users on 1/15. 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.
Thu 2/61:32 pmORD - IAH
Nonstop2h 58mAmerican Airlines
Mon 2/106:00 amIAH - ORD
Nonstop2h 42mAmerican Airlines
Deal found 1/15$249
This Mytrip deal was found by Cheapflights users on 1/16. 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.
Mon 1/207:09 pmSTL - IAH
1 stop28h 25mFrontier
Fri 1/249:10 pmIAH - STL
1 stop26h 21mFrontier
Deal found 1/16$252
This United Airlines deal was found by Cheapflights users on 1/16. 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 2/145:20 pmPIA - IAH
1 stop7h 10mUnited Airlines
Tue 2/258:40 amIAH - PIA
1 stop5h 07mUnited Airlines
Deal found 1/16$259

Find flights from Illinois to George Bush Intcntl within your budget

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 January 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Thu 1/30

4:08 pm-6:58 pm

Nonstop2h 50m

Houston George Bush Intcntl

Thu 2/6

7:48 pm-10:19 pm

Nonstop2h 31m

$116

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 2/21

4:44 pm-7:32 pm

Nonstop2h 48m

Houston George Bush Intcntl

Mon 2/24

8:37 pm-11:18 pm

Nonstop2h 41m

$116

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 3/13

4:30 pm-8:42 pm

1 stop28h 12m

Houston George Bush Intcntl

Mon 3/17

4:36 pm-12:57 am

1 stop8h 21m

$117

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sun 2/9

9:22 pm-7:26 am

1 stop10h 04m

Houston George Bush Intcntl

Wed 2/12

8:37 pm-11:18 pm

Nonstop2h 41m

$120

PeoriaHouston

PIA - IAH

PIAIAH

Greater Peoria

Tue 2/4

5:00 am-1:56 pm

1 stop8h 56m

Houston George Bush Intcntl

Tue 2/11

9:59 am-3:50 pm

1 stop5h 51m

$199

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Sat 2/8

9:33 am-3:03 pm

1 stop5h 30m

Houston George Bush Intcntl

Tue 2/11

11:54 am-6:11 pm

1 stop6h 17m

$217

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 2/22

2:05 pm-8:10 pm

1 stop6h 05m

Houston George Bush Intcntl

Tue 2/25

3:58 pm-11:48 pm

1 stop7h 50m

$217

MolineHouston

MLI - IAH

MLIIAH

Moline Quad-City

Fri 2/21

6:32 pm-11:30 pm

1 stop4h 58m

Houston George Bush Intcntl

Tue 2/25

7:42 am-3:51 pm

1 stop8h 09m

$224

MolineHouston

MLI - IAH

MLIIAH

Moline Quad-City

Tue 4/22

5:00 pm-11:56 pm

1 stop6h 56m

Houston George Bush Intcntl

Sat 4/26

5:00 pm-10:29 pm

1 stop5h 29m

$233

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 2/6

8:30 pm-11:32 pm

Nonstop3h 02m

Houston George Bush Intcntl

Mon 2/10

6:00 am-8:42 am

Nonstop2h 42m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 48 results
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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.
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 George Bush Intcntl

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

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 January 17, 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 January 17, 2025.

The most flights from USIL to IAH are scheduled on a Wednesday (43 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 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 January 17, 2025.
Peruse reviews from past customers who have flown with Frontier, American Airlines and Delta 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.
8.0
Very good
9,681 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

8.0
Very good
9,681 reviews
8.0
Very good
9,681 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

8.0
Very good
8,511 reviews
8.0
Very good
9,681 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

7.4
Good
8,964 reviews
8.0
Very good
9,681 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

7.2
Good
10,000 reviews
8.0
Very good
9,681 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

6.3
Okay
8,100 reviews
8.0
Very good
9,681 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.
  • What are the cheapest airlines to fly from Illinois to Houston George Bush Intcntl Airport one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $59. However, be on the lookout for offers from Spirit Airlines and Delta, as they are both options that can get you from Illinois to Houston George Bush Intcntl Airport for a low price.

  • What are the most popular routes from Illinois to Houston George Bush Intcntl Airport?

  • What are the most reliable airlines from Illinois to Houston George Bush Intcntl Airport?

    The top 3 most reliable airlines when flying from Illinois to Houston George Bush Intcntl Airport are Avianca (86%), Emirates (82%) and United Airlines (82%).

  • What are the cheapest flights from Illinois to Houston George Bush Intcntl Airport?

    Looking at all options, your cheapest flight can be booked for $73. While the most popular route (Chicago O'Hare Intl - Houston George Bush Intcntl) can be booked for $83 on average our data indicates $1,058 when flying from Illinois to Houston George Bush Intcntl Airport.

  • Can I find deals for flights from Illinois to George Bush Intcntl that include hotel bookings?

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

  • How can I find direct flights from Illinois to George Bush Intcntl?

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

  • Can I find deals for business class flights from Illinois to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Illinois to George Bush Intcntl 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 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.

See more FAQs

Traveling to a place near Illinois?

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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 January 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$142FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$69Average$163FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$145Average$395FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$158Average$420FlexibilityNo cancel feeOn-time69%
DeltaCheapest$257Average$425FlexibilityNo cancel feeOn-timeN/A
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