Illinois

$53+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — ORD
Dec 24 — Dec 311
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Cheap flight deals from George Bush Intcntl to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Illinois (USIL). 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 December 19, 2024.

Round-trip from

$110
(Mytrip)

One-way from

$53
(Mytrip)
From Houston George Bush Intcntl to Illinois
One-way flight from Houston George Bush Intcntl to Illinois

Find flight deals from George Bush Intcntl to Illinois

Cheapest flights from George Bush Intcntl to Illinois
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 December 19, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 12/18. 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.
Sun 12/299:56 pmIAH - ORD
Nonstop2h 37mSpirit Airlines
Wed 1/85:10 amORD - IAH
Nonstop2h 51mSpirit Airlines
Deal found 12/18$150
This Kiwi.com deal was found by Cheapflights users on 12/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/319:22 pmIAH - ORD
Nonstop2h 37mMultiple Airlines
Wed 1/88:55 pmORD - IAH
Nonstop2h 56mMultiple Airlines
Deal found 12/18$151
This Frontier deal was found by Cheapflights users on 12/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/319:22 pmIAH - ORD
Nonstop2h 37mFrontier
Fri 1/104:01 pmORD - IAH
1 stop5h 07mFrontier
Deal found 12/18$166
This FlightHub deal was found by Cheapflights users on 12/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/186:10 pmIAH - MDW
Nonstop2h 30mFrontier
Wed 12/252:30 pmMDW - IAH
Nonstop2h 50mFrontier
Deal found 12/18$166
This Delta deal was found by Cheapflights users on 12/18. 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.
Tue 12/312:57 pmIAH - ORD
1 stop7h 55mDelta
Sat 1/115:55 pmORD - IAH
1 stop6h 04mDelta
Deal found 12/18$286
This Booking.com deal was found by Cheapflights users on 12/17. 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.
Mon 12/303:47 pmIAH - STL
1 stop7h 53mFrontier
Mon 1/65:45 pmSTL - IAH
1 stop17h 17mFrontier
Deal found 12/17$298
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Mon 12/306:19 amIAH - MLI
1 stop4h 37mAmerican Airlines
Wed 1/15:45 amMLI - IAH
1 stop6h 56mAmerican Airlines
Deal found 12/17$323
This Delta deal was found by Cheapflights users on 12/18. 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.
Wed 12/2511:32 amIAH - MDW
1 stop4h 38mDelta
Tue 12/314:50 pmMDW - IAH
1 stop6h 51mDelta
Deal found 12/18$356
This United Airlines deal was found by Cheapflights users on 12/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/238:00 amIAH - PIA
1 stop5h 48mUnited Airlines
Thu 1/211:55 amPIA - IAH
1 stop7h 55mUnited Airlines
Deal found 12/19$368
This Delta deal was found by Cheapflights users on 12/18. 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.
Wed 12/252:52 pmIAH - MLI
1 stop5h 39mDelta
Tue 12/314:59 pmMLI - IAH
1 stop6h 57mDelta
Deal found 12/18$373
This American Airlines deal was found by Cheapflights users on 12/19. 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.
Mon 12/236:00 amIAH - PIA
2 stops8h 14mAmerican Airlines
Thu 1/26:00 amPIA - IAH
1 stop7h 48mAmerican Airlines
Deal found 12/19$379
This Mytrip deal was found by Cheapflights users on 12/17. 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 12/306:57 pmIAH - STL
2 stops20h 24mMultiple Airlines
Mon 1/65:00 pmSTL - IAH
3 stops31h 26mMultiple Airlines
Deal found 12/17$416

Find flights from George Bush Intcntl to Illinois within your budget

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 December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Thu 2/27

11:59 am-10:06 pm

1 stop10h 07m

Chicago O'Hare Intl

Mon 3/3

6:50 am-12:20 am

1 stop17h 30m

$110

HoustonChicago

IAH - MDW

IAHMDW

Houston George Bush Intcntl

Thu 2/27

11:59 am-9:29 pm

1 stop9h 30m

Chicago Midway

Mon 3/3

6:40 am-12:20 am

1 stop17h 40m

$110

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Fri 1/10

10:00 am-2:56 pm

1 stop4h 56m

Chicago O'Hare Intl

Tue 1/14

8:34 am-11:31 am

Nonstop2h 57m

$112

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Thu 1/23

9:17 pm-11:31 pm

1 stop26h 14m

Lambert-St Louis

Sat 1/25

5:05 pm-11:06 am

1 stop18h 01m

$115

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 1/8

9:56 pm-12:33 am

Nonstop2h 37m

Chicago O'Hare Intl

Wed 2/5

4:27 pm-7:23 pm

Nonstop2h 56m

$125

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Sat 1/18

6:00 am-8:42 am

Nonstop2h 42m

Chicago O'Hare Intl

Sat 1/25

8:30 pm-11:32 pm

Nonstop3h 02m

$157

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Thu 2/20

8:39 am-2:42 pm

1 stop6h 03m

Lambert-St Louis

Sun 2/23

11:08 pm-11:07 am

1 stop11h 59m

$200

HoustonChicago

IAH - MDW

IAHMDW

Houston George Bush Intcntl

Fri 1/17

11:54 am-6:14 pm

1 stop6h 20m

Chicago Midway

Mon 1/20

2:08 pm-10:20 pm

1 stop8h 12m

$216

HoustonPeoria

IAH - PIA

IAHPIA

Houston George Bush Intcntl

Sun 1/26

7:05 am-5:42 pm

1 stop10h 37m

Greater Peoria

Tue 1/28

11:27 am-11:43 pm

2 stops12h 16m

$246

HoustonMoline

IAH - MLI

IAHMLI

Houston George Bush Intcntl

Sat 1/18

3:58 pm-10:38 pm

1 stop6h 40m

Moline Quad-City

Fri 1/24

5:05 pm-11:59 pm

1 stop6h 54m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 59 results
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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.
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 George Bush Intcntl to Illinois

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

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 $317). 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 December 19, 2024.

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 December 19, 2024.

The most flights from IAH to USIL are scheduled on a Thursday (50 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 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 December 19, 2024.
Peruse reviews from past customers who have flown with Frontier, Spirit Airlines and American 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.
8.0
Very good
9,552 reviews

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.2

Crew

8.5

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

8.0
Very good
9,552 reviews
8.0
Very good
9,552 reviews

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.2

Crew

8.5

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

8.0
Very good
8,600 reviews
8.0
Very good
9,552 reviews

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.2

Crew

8.5

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

7.4
Good
9,048 reviews
8.0
Very good
9,552 reviews

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.2

Crew

8.5

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

7.2
Good
10,000 reviews
8.0
Very good
9,552 reviews

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.2

Crew

8.5

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

6.3
Okay
8,120 reviews
8.0
Very good
9,552 reviews

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Food

7.2

Crew

8.5

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $53. However, be on the lookout for offers from Spirit Airlines and United Airlines, as they are both options that can get you from Houston George Bush Intcntl Airport to Illinois for a low price.

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

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

    No one likes to see their flight delayed. When booking a flight from Houston George Bush Intcntl Airport to Illinois consider choosing Republic Airways (100%), Japan Airlines (98%) or Royal Jordanian (97%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Houston George Bush Intcntl Airport to Illinois is $50. On average you can expect to pay $1,122. The most popular route, (Houston George Bush Intcntl - Chicago O'Hare Intl), can usually be booked for $112.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Illinois 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 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 $317). 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.

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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 December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$136FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$66Average$141FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$142Average$386FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$144Average$413FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$317FlexibilityNo cancel feeOn-timeN/A
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