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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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — DEC
Mar 16 — Mar 231
Mon 3/16
Mon 3/23
1 adult, Economy
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Cheap 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 February 14, 2026.

This United Airlines deal was found by Cheapflights users on 2/12. 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 4/2910:07 am
IAH
-
DEC
1 stop7h 50m
United Airlines
Sat 5/27:20 pm
DEC
-
IAH
1 stop5h 19m
United Airlines
Deal found 2/12$334
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 2/1211:55 am
IAH
-
DEC
1 stop5h 59m
United Airlines
Mon 2/169:50 am
DEC
-
IAH
1 stop7h 18m
United Airlines
Deal found 2/11$364
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Fri 5/15:09 am
IAH
-
DEC
1 stop12h 49m
United Airlines
Sat 5/27:20 pm
DEC
-
IAH
1 stop5h 19m
United Airlines
Deal found 2/12$390
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 2/258:30 am
IAH
-
DEC
1 stop9h 24m
United Airlines
Sun 3/17:15 pm
DEC
-
IAH
1 stop4h 54m
United Airlines
Deal found 2/10$409
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 2/269:50 pm
IAH
-
DEC
1 stop11h 02m
United Airlines
Mon 3/27:15 pm
DEC
-
IAH
1 stop4h 54m
United Airlines
Deal found 2/11$429
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 6/2510:08 pm
IAH
-
DEC
1 stop19h 43m
United Airlines
Sat 6/276:55 pm
DEC
-
IAH
1 stop5h 20m
United Airlines
Deal found 2/11$456
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 3/126:45 pm
IAH
-
DEC
1 stop14h 07m
United Airlines
Sun 3/157:15 pm
DEC
-
IAH
1 stop27h 58m
United Airlines
Deal found 2/11$495
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Fri 6/269:40 pm
IAH
-
DEC
2 stops20h 11m
United Airlines
Mon 6/296:55 pm
DEC
-
IAH
1 stop5h 20m
United Airlines
Deal found 2/12$521
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Fri 3/1311:56 am
IAH
-
DEC
1 stop5h 57m
United Airlines
Sun 3/157:15 pm
DEC
-
IAH
1 stop26h 07m
United Airlines
Deal found 2/12$529

Find 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 February 14, 2026.

Round-trip from

$334
(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 February 14, 2026.
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

Wed 4/29

10:07 am-5:57 pm

1 stop7h 50m

Decatur Arpt

Sat 5/2

7:20 pm-12:39 am

1 stop5h 19m

$334

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Fri 5/1

5:09 am-5:58 pm

1 stop12h 49m

Decatur Arpt

Sat 5/2

7:20 pm-12:39 am

1 stop5h 19m

$390

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Wed 2/25

8:30 am-5:54 pm

1 stop9h 24m

Decatur Arpt

Sun 3/1

7:15 pm-12:09 am

1 stop4h 54m

$409

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Fri 2/27

7:20 am-5:54 pm

1 stop10h 34m

Decatur Arpt

Tue 3/3

7:15 pm-12:09 am

1 stop4h 54m

$429

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Thu 2/26

9:50 pm-8:52 am

1 stop11h 02m

Decatur Arpt

Mon 3/2

7:15 pm-12:09 am

1 stop4h 54m

$429

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Wed 3/11

9:30 pm-8:52 am

1 stop11h 22m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

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 7h 50m. 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?

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