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$50+ 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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — ORD
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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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 November 20, 2024.

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 November 20, 2024.

This FlightHub deal was found by Cheapflights users on 11/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/69:56 pmIAH - ORD
Nonstop2h 37mSpirit Airlines
Sun 12/85:10 amORD - IAH
Nonstop2h 51mSpirit Airlines
Deal found 11/19$96
This eDestinos deal was found by Cheapflights users on 11/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/610:08 pmIAH - ORD
Nonstop2h 37mFrontier
Mon 12/910:16 amORD - IAH
1 stop11h 31mFrontier
Deal found 11/19$98
This Booking.com deal was found by Cheapflights users on 11/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/411:26 amIAH - ORD
1 stop20h 58mMultiple Airlines
Sat 12/76:56 pmORD - IAH
Nonstop2h 57mMultiple Airlines
Deal found 11/19$99
This Frontier deal was found by Cheapflights users on 11/18. 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.
Wed 12/111:14 pmIAH - MDW
1 stop10h 59mFrontier
Wed 12/188:25 amMDW - IAH
1 stop7h 45mFrontier
Deal found 11/18$100
This CheapOair deal was found by Cheapflights users on 11/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/57:10 pmIAH - STL
1 stop24h 24mFrontier
Sun 12/85:02 pmSTL - IAH
1 stop22h 49mFrontier
Deal found 11/18$198
This CheapOair deal was found by Cheapflights users on 11/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/411:26 amIAH - STL
1 stop11h 58mMultiple Airlines
Sat 12/74:26 pmSTL - IAH
1 stop7h 39mMultiple Airlines
Deal found 11/19$209
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/131:10 pmIAH - ORD
1 stop5h 21mDelta
Sat 12/1410:10 amORD - IAH
1 stop8h 22mDelta
Deal found 11/19$227
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/103:05 pmIAH - MDW
1 stop7h 01mDelta
Sat 12/144:58 pmMDW - IAH
1 stop7h 01mDelta
Deal found 11/19$227
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/117:20 amIAH - ORD
Nonstop2h 42mUnited Airlines
Sat 12/142:25 pmORD - IAH
Nonstop2h 59mUnited Airlines
Deal found 11/20$249
This Kissandfly.com deal was found by Cheapflights users on 11/19. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/68:15 pmIAH - MDW
Nonstop2h 30mMultiple Airlines
Mon 12/912:36 pmMDW - IAH
3 stops20h 02mMultiple Airlines
Deal found 11/19$251
This United Airlines deal was found by Cheapflights users on 11/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/66:30 amIAH - PIA
1 stop7h 35mUnited Airlines
Mon 12/95:35 pmPIA - IAH
1 stop6h 46mUnited Airlines
Deal found 11/18$253
This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/195:00 amIAH - PIA
2 stops9h 14mAmerican Airlines
Mon 12/235:30 amPIA - IAH
2 stops10h 23mAmerican Airlines
Deal found 11/20$288

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Fri 12/6

9:56 pm-12:33 am

Nonstop2h 37m

Chicago O'Hare Intl

Sun 12/8

5:10 am-8:01 am

Nonstop2h 51m

$96

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Fri 12/6

10:08 pm-12:45 am

Nonstop2h 37m

Chicago O'Hare Intl

Mon 12/9

10:16 am-9:47 pm

1 stop11h 31m

$98

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 12/4

11:26 am-8:24 am

1 stop20h 58m

Chicago O'Hare Intl

Sat 12/7

6:56 pm-9:53 pm

Nonstop2h 57m

$99

HoustonChicago

IAH - MDW

IAHMDW

Houston George Bush Intcntl

Wed 12/11

1:14 pm-12:13 am

1 stop10h 59m

Chicago Midway

Wed 12/18

8:25 am-4:10 pm

1 stop7h 45m

$100

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Thu 12/5

7:10 pm-7:34 pm

1 stop24h 24m

Lambert-St Louis

Sun 12/8

5:02 pm-3:51 pm

1 stop22h 49m

$198

HoustonSt. Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Wed 12/4

11:26 am-11:24 pm

1 stop11h 58m

Lambert-St Louis

Sat 12/7

4:26 pm-12:05 am

1 stop7h 39m

$209

HoustonChicago

IAH - MDW

IAHMDW

Houston George Bush Intcntl

Fri 1/17

11:44 am-6:14 pm

1 stop6h 30m

Chicago Midway

Mon 1/20

2:08 pm-10:20 pm

1 stop8h 12m

$216

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Fri 12/13

1:10 pm-6:31 pm

1 stop5h 21m

Chicago O'Hare Intl

Sat 12/14

10:10 am-6:32 pm

1 stop8h 22m

$227

HoustonChicago

IAH - MDW

IAHMDW

Houston George Bush Intcntl

Fri 12/6

12:14 pm-8:14 pm

1 stop8h 00m

Chicago Midway

Mon 12/9

12:36 pm-8:38 am

3 stops20h 02m

$243

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 12/11

7:20 am-10:02 am

Nonstop2h 42m

Chicago O'Hare Intl

Sat 12/14

2:25 pm-5:24 pm

Nonstop2h 59m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 48 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, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Illinois (average of $232). Flying from Houston George Bush Intcntl Airport to Illinois in June is currently the most expensive (average of $308). 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 November 20, 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 November 20, 2024.

The most flights from IAH to USIL are scheduled on a Monday (49 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 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 November 20, 2024.
Peruse reviews from past customers who have flown with Spirit Airlines, Frontier 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.
Alaska Airlines
8.0
Very good
9,461 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.2

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,461 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.2

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,756 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.2

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

United Airlines
7.4
Good
9,171 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.2

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.2

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Volaris
6.7
Okay
1,287 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.2

Entertainment

7.1

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

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 $50. 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?

    The most popular route from Houston George Bush Intcntl Airport to Illinois is Houston George Bush Intcntl - Chicago O'Hare Intl. You may also consider Houston George Bush Intcntl - Chicago Midway or Houston George Bush Intcntl - Lambert-St Louis.

  • 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 Austrian Airlines (98%), Qatar Airways (95%) or Cathay Pacific (94%) 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 $57. On average you can expect to pay $1,153. The most popular route, (Houston George Bush Intcntl - Chicago O'Hare Intl), can usually be booked for $89.

  • 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, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Illinois (average of $232). Flying from Houston George Bush Intcntl Airport to Illinois in June is currently the most expensive (average of $308). 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.
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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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$131FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$66Average$139FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$140Average$386FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$144Average$415FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$395FlexibilityNo cancel feeOn-timeN/A
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