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Cheap flights from Houston George Bush Intcntl Airport to Decatur from $334

This is the cheapest round-trip 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 4/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
10:07 am - 5:57 pm
IAH
-
DEC
7h 50m
1 stop
United Airlines Logo
7:20 pm - 12:39 am
DEC
-
IAH
5h 19m
1 stop
$334United Airlines
Wed, Apr 29 - Sat, May 2
United Airlines Logo
9:50 pm - 5:54 pm
IAH
-
DEC
20h 04m
1 stop
United Airlines Logo
7:15 pm - 12:09 am
DEC
-
IAH
4h 54m
1 stop
$374United Airlines
Tue, Feb 24 - Sun, Mar 1
United Airlines Logo
5:04 am - 5:51 pm
IAH
-
DEC
12h 47m
1 stop
United Airlines Logo
6:55 pm - 12:15 am
DEC
-
IAH
5h 20m
1 stop
$405United Airlines
Thu, Jun 11 - Tue, Jun 16
United Airlines Logo
8:30 am - 5:54 pm
IAH
-
DEC
9h 24m
1 stop
United Airlines Logo
9:50 am - 3:48 pm
DEC
-
IAH
5h 58m
1 stop
$409United Airlines
Wed, Feb 18 - Sun, Feb 22
United Airlines Logo
8:07 pm - 5:58 pm
IAH
-
DEC
21h 51m
2 stops
United Airlines Logo
7:20 pm - 12:39 am
DEC
-
IAH
5h 19m
1 stop
$423United Airlines
Wed, Apr 29 - Sat, May 2
United Airlines Logo
7:20 am - 5:58 pm
IAH
-
DEC
10h 38m
1 stop
United Airlines Logo
7:20 pm - 12:39 am
DEC
-
IAH
5h 19m
1 stop
$431United Airlines
Fri, May 1 - Sat, May 2
United Airlines Logo
8:07 pm - 5:58 pm
IAH
-
DEC
21h 51m
2 stops
United Airlines Logo
7:20 pm - 12:39 am
DEC
-
IAH
5h 19m
1 stop
$445United Airlines
Wed, Apr 29 - Sat, May 2
United Airlines Logo
9:40 pm - 8:46 am
IAH
-
DEC
11h 06m
2 stops
United Airlines Logo
6:55 pm - 12:15 am
DEC
-
IAH
5h 20m
1 stop
$571United Airlines
Thu, Jun 11 - Tue, Jun 16
United Airlines Logo
6:15 am - 5:58 pm
IAH
-
DEC
11h 43m
1 stop
United Airlines Logo
7:20 pm - 11:15 am
DEC
-
IAH
15h 55m
2 stops
$583United Airlines
Fri, May 1 - Sat, May 2
United Airlines Logo
11:56 am - 5:53 pm
IAH
-
DEC
5h 57m
1 stop
United Airlines Logo
7:15 pm - 12:09 am
DEC
-
IAH
4h 54m
1 stop
$605United Airlines
Sat, Mar 7 - Wed, Mar 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
Apr 29
IAH10:07 amHouston George Bush Intcntl
7h 50m
1 stop
DEC5:57 pmDecatur Arpt
May 2
DEC7:20 pmDecatur Arpt
5h 19m
1 stop
IAH12:39 amHouston George Bush Intcntl
$334
United Airlines
Feb 6
IAH11:55 amHouston George Bush Intcntl
6h 06m
1 stop
DEC6:01 pmDecatur Arpt
Feb 8
DEC7:09 pmDecatur Arpt
5h 03m
1 stop
IAH12:12 amHouston George Bush Intcntl
$364
United Airlines
Feb 24
IAH9:50 pmHouston George Bush Intcntl
20h 04m
1 stop
DEC5:54 pmDecatur Arpt
Mar 1
DEC7:15 pmDecatur Arpt
4h 54m
1 stop
IAH12:09 amHouston George Bush Intcntl
$374

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 February 4, 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

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

Tue 2/24

9:50 pm-5:54 pm

1 stop20h 04m

Decatur Arpt

Sun 3/1

7:15 pm-12:09 am

1 stop4h 54m

$374

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Thu 6/11

5:04 am-5:51 pm

1 stop12h 47m

Decatur Arpt

Tue 6/16

6:55 pm-12:15 am

1 stop5h 20m

$405

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Wed 2/18

8:30 am-5:54 pm

1 stop9h 24m

Decatur Arpt

Sun 2/22

9:50 am-3:48 pm

1 stop5h 58m

$409

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Wed 4/29

8:07 pm-5:58 pm

2 stops21h 51m

Decatur Arpt

Sat 5/2

7:20 pm-12:39 am

1 stop5h 19m

$423

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Fri 5/1

7:20 am-5:58 pm

1 stop10h 38m

Decatur Arpt

Sat 5/2

7:20 pm-12:39 am

1 stop5h 19m

$431

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Wed 4/29

8:07 pm-5:58 pm

2 stops21h 51m

Decatur Arpt

Sat 5/2

7:20 pm-12:39 am

1 stop5h 19m

$445

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Thu 6/11

9:40 pm-8:46 am

2 stops11h 06m

Decatur Arpt

Tue 6/16

6:55 pm-12:15 am

1 stop5h 20m

$571

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Fri 5/1

6:15 am-5:58 pm

1 stop11h 43m

Decatur Arpt

Sat 5/2

7:20 pm-11:15 am

2 stops15h 55m

$583

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Sat 3/7

11:56 am-5:53 pm

1 stop5h 57m

Decatur Arpt

Wed 3/11

7:15 pm-12:09 am

1 stop4h 54m

$605

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 57m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Decatur, Illinois takes 5h 57m
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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  • 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 57m.

  • 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.

  • How do I get Price Alerts for flights from Houston George Bush Intcntl Airport to Decatur, Illinois?

    Price Alerts will notify you by email when the price for flights to Decatur, Illinois from Houston George Bush Intcntl Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Houston George Bush Intcntl Airport to Decatur, Illinois with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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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