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Cheap flights from Houston George Bush Intcntl Airport to Decatur from $322

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Decatur departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Houston George Bush Intcntl Airport to Decatur

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:35 am - 12:54 pm
IAH
-
DEC
5h 19m
1 stop
United Airlines Logo
7:25 pm - 8:29 am
DEC
-
IAH
13h 04m
1 stop
$400United Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
7:35 am - 12:54 pm
IAH
-
DEC
5h 19m
1 stop
United Airlines Logo
7:05 pm - 12:15 am
DEC
-
IAH
5h 10m
1 stop
$404United Airlines
Tue, May 19 - Sat, May 23
United Airlines Logo
5:09 am - 5:58 pm
IAH
-
DEC
12h 49m
1 stop
United Airlines Logo
7:25 pm - 8:29 am
DEC
-
IAH
13h 04m
1 stop
$440United Airlines
Fri, May 8 - Mon, May 11
United Airlines Logo
11:55 am - 5:57 pm
IAH
-
DEC
6h 02m
1 stop
United Airlines Logo
7:37 pm - 1:48 am
DEC
-
IAH
6h 11m
1 stop
$454United Airlines
Wed, Apr 15 - Sun, Apr 19
United Airlines Logo
3:10 pm - 5:51 pm
IAH
-
DEC
26h 41m
1 stop
United Airlines Logo
6:55 pm - 12:22 am
DEC
-
IAH
5h 27m
1 stop
$465United Airlines
Fri, Aug 28 - Mon, Aug 31
United Airlines Logo
8:23 am - 5:57 pm
IAH
-
DEC
9h 34m
1 stop
United Airlines Logo
7:25 pm - 12:59 am
DEC
-
IAH
5h 34m
1 stop
$504United Airlines
Mon, Apr 13 - Sat, May 2
United Airlines Logo
8:07 pm - 5:58 pm
IAH
-
DEC
21h 51m
2 stops
United Airlines Logo
7:05 pm - 12:15 am
DEC
-
IAH
5h 10m
1 stop
$512United Airlines
Tue, May 19 - Sat, May 23
United Airlines Logo
11:55 am - 5:58 pm
IAH
-
DEC
6h 03m
1 stop
United Airlines Logo
7:25 pm - 12:59 am
DEC
-
IAH
5h 34m
1 stop
$515United Airlines
Fri, May 8 - Mon, May 11
United Airlines Logo
11:55 am - 5:58 pm
IAH
-
DEC
6h 03m
1 stop
United Airlines Logo
7:25 pm - 1:59 am
DEC
-
IAH
6h 34m
1 stop
$518United Airlines
Fri, May 8 - Mon, May 11
United Airlines Logo
11:55 am - 5:57 pm
IAH
-
DEC
6h 02m
1 stop
United Airlines Logo
7:37 pm - 12:52 am
DEC
-
IAH
5h 15m
1 stop
$520United Airlines
Fri, Apr 10 - Sat, Apr 11

United Airlines flights from Houston George Bush Intcntl Airport to Decatur, Illinois

Our best United Airlines deals on Houston George Bush Intcntl Airport to Decatur, Illinois flight tickets
United Airlines
May 2
IAH7:35 amHouston George Bush Intcntl
5h 19m
1 stop
DEC12:54 pmDecatur Arpt
May 5
DEC7:25 pmDecatur Arpt
13h 04m
1 stop
IAH8:29 amHouston George Bush Intcntl
$400
United Airlines
May 19
IAH7:35 amHouston George Bush Intcntl
5h 19m
1 stop
DEC12:54 pmDecatur Arpt
May 23
DEC7:05 pmDecatur Arpt
5h 10m
1 stop
IAH12:15 amHouston George Bush Intcntl
$404
United Airlines
May 8
IAH5:09 amHouston George Bush Intcntl
12h 49m
1 stop
DEC5:58 pmDecatur Arpt
May 11
DEC7:25 pmDecatur Arpt
13h 04m
1 stop
IAH8:29 amHouston George Bush Intcntl
$440

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Decatur, 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, momondo users made 832,500 searches. Data last updated April 1, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Decatur, Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Sat 5/2

7:35 am-12:54 pm

1 stop5h 19m

Decatur Arpt

Tue 5/5

7:25 pm-8:29 am

1 stop13h 04m

$400
Quickest round-trip

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Tue 5/19

7:35 am-12:54 pm

1 stop5h 19m

Decatur Arpt

Sat 5/23

7:05 pm-12:15 am

1 stop5h 10m

$404

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Fri 5/8

5:09 am-5:58 pm

1 stop12h 49m

Decatur Arpt

Mon 5/11

7:25 pm-8:29 am

1 stop13h 04m

$440

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Wed 4/15

11:55 am-5:57 pm

1 stop6h 02m

Decatur Arpt

Sun 4/19

7:37 pm-1:48 am

1 stop6h 11m

$454

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Fri 8/28

3:10 pm-5:51 pm

1 stop26h 41m

Decatur Arpt

Mon 8/31

6:55 pm-12:22 am

1 stop5h 27m

$465

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Mon 4/13

8:23 am-5:57 pm

1 stop9h 34m

Decatur Arpt

Sat 5/2

7:25 pm-12:59 am

1 stop5h 34m

$504

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Tue 5/19

8:07 pm-5:58 pm

2 stops21h 51m

Decatur Arpt

Sat 5/23

7:05 pm-12:15 am

1 stop5h 10m

$512

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Fri 5/8

11:55 am-5:58 pm

1 stop6h 03m

Decatur Arpt

Mon 5/11

7:25 pm-12:59 am

1 stop5h 34m

$515

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Fri 5/8

11:55 am-5:58 pm

1 stop6h 03m

Decatur Arpt

Mon 5/11

7:25 pm-1:59 am

1 stop6h 34m

$518

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Fri 4/10

11:55 am-5:57 pm

1 stop6h 02m

Decatur Arpt

Sat 4/11

7:37 pm-12:52 am

1 stop5h 15m

$520

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Decatur from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Decatur, Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Houston George Bush Intcntl to Decatur Arpt?

United Airlines is the most popular carrier operating from Houston George Bush Intcntl to Decatur Arpt

When to book flights from Houston George Bush Intcntl Airport to Decatur, Illinois

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Decatur, Illinois according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Decatur, Illinois (IAH to DEC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Decatur, Illinois

Fastest flight time

5h 41m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Decatur, Illinois takes 5h 41m
There are no direct flights from Houston George Bush Intcntl Airport to Decatur, Illinois. There are no popular flight routes from Houston George Bush Intcntl Airport to Decatur, Illinois.
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Frequently asked questions about flying from Houston George Bush Intcntl Airport to Decatur, Illinois

  • How far is Houston George Bush Intcntl to Decatur Arpt by plane?

    Decatur Arpt is 769.9 mi away from Houston George Bush Intcntl. A reasonable flight in good conditions will take 5h 41m.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Decatur Arpt Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Decatur Arpt Airport are updated daily.

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Decatur Arpt Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Decatur Arpt Airport.

  • What documentation or ID do you need to fly to Decatur Arpt Airport?

    The necessary travel and health documents for your Decatur Arpt Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Decatur?

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

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Decatur?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Houston to Decatur. momondo saves you time and could save you money on your trip.

Can I find flights from Houston to Decatur with flexible booking policies on momondo?

momondo does allow users to show only those flights to Decatur from Houston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Houston to Decatur?

Once you have performed a search for Houston to Decatur flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Houston to Decatur right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Decatur from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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