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Decatur

$227+ Cheap flights from George Bush Intcntl (IAH) to Decatur, IL (DEC)

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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — DEC
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Find flight deals from George Bush Intcntl to Decatur

Cheapest flights from George Bush Intcntl to Decatur
Explore the most affordable flight options available from George Bush Intcntl to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This United Airlines deal was found by Cheapflights users on 11/12. 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 12/109:43 pmIAH - DEC
1 stop11h 05mUnited Airlines
Sun 1/47:09 pmDEC - IAH
1 stop5h 21mUnited Airlines
Deal found 11/12$355
This United Airlines deal was found by Cheapflights users on 11/13. 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.
Tue 11/2512:10 pmIAH - DEC
1 stop5h 42mUnited Airlines
Sat 11/297:08 pmDEC - IAH
1 stop4h 51mUnited Airlines
Deal found 11/13$374
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Thu 12/188:15 amIAH - DEC
1 stop9h 44mUnited Airlines
Sun 1/47:09 pmDEC - IAH
1 stop5h 21mUnited Airlines
Deal found 11/12$395
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Tue 12/168:30 amIAH - DEC
1 stop24h 18mUnited Airlines
Tue 1/67:09 pmDEC - IAH
1 stop16h 56mUnited Airlines
Deal found 11/12$396
This United Airlines deal was found by Cheapflights users on 11/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:30 amIAH - DEC
1 stop11h 22mUnited Airlines
Thu 12/47:08 pmDEC - IAH
1 stop4h 51mUnited Airlines
Deal found 11/10$425

Cheap flight deals from George Bush Intcntl to Decatur

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Decatur (DEC). 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 13, 2025.

Round-trip from

$354
(United Airlines)

One-way from

$227
(United Airlines)
From Houston George Bush Intcntl to Decatur Arpt
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One-way flight from Houston George Bush Intcntl to Decatur Arpt
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Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Decatur 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 November 13, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Decatur that are best for you.

Fly from

George Bush Intcntl

Fly to

Decatur

Route

Depart

Return

Price

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Thu 1/1

9:35 pm-9:05 am

1 stop11h 30m

Decatur Arpt

Wed 1/7

9:49 am-3:45 pm

1 stop5h 56m

$354

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Wed 12/10

6:35 pm-8:48 am

1 stop14h 13m

Decatur Arpt

Sun 1/4

7:09 pm-12:30 am

1 stop5h 21m

$355

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Wed 2/25

11:55 am-5:56 pm

1 stop6h 01m

Decatur Arpt

Sat 2/28

7:05 pm-8:46 am

1 stop13h 41m

$359

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Thu 12/18

6:30 am-5:59 pm

1 stop11h 29m

Decatur Arpt

Sun 1/4

7:09 pm-12:30 am

1 stop5h 21m

$395

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Tue 12/16

9:43 pm-8:48 am

1 stop11h 05m

Decatur Arpt

Tue 1/6

7:09 pm-7:57 pm

1 stop24h 48m

$396

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Fri 11/28

6:30 am-5:52 pm

1 stop11h 22m

Decatur Arpt

Thu 12/4

7:08 pm-11:59 pm

1 stop4h 51m

$425

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Mon 12/15

5:00 pm-5:52 pm

1 stop24h 52m

$227

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Fri 12/26

3:55 pm-9:05 am

1 stop17h 10m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Best time to book a flight from George Bush Intcntl to Decatur

Have a flexible travel schedule? Discover the best time to fly to Decatur 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 Decatur

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Decatur, Illinois?

Currently, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Decatur, Illinois (average of $225). Flying from Houston George Bush Intcntl Airport to Decatur, Illinois in July is currently the most expensive (average of $409). 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.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Decatur. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Decatur from Houston George Bush Intcntl?

    Located just 4.7 mi from the city center, Decatur Arpt is the airport most travelers will use when flying to Decatur from Houston George Bush Intcntl. Booking flights from Houston George Bush Intcntl to Decatur Arpt (DEC) should be relatively easy as there are 0 daily inbound flights from Houston George Bush Intcntl from 0 different airlines.

  • How long is the flight from Houston George Bush Intcntl Airport to Decatur, Illinois?

    Departing from Houston George Bush Intcntl Airport to Decatur, Illinois will take you 11h 30m. The distance from Houston George Bush Intcntl Airport to Decatur, Illinois is about 772 mi.

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

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

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

    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 Decatur.

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

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

    Currently, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Decatur, Illinois (average of $225). Flying from Houston George Bush Intcntl Airport to Decatur, Illinois in July is currently the most expensive (average of $409). 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 Decatur?

Book flights to Decatur if you plan to visit one of these locations
Mattoon
Effingham

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