Cheap flights from Houston George Bush Intcntl Airport to Decatur from $344

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 12/18. 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

United Airlines Logo
11:55 am - 5:51 pmIAH-DEC
5h 56m1 stop
United Airlines Logo
7:09 pm - 12:30 amDEC-IAH
5h 21m1 stop
$344United Airlines
Find Deal
Thu, Dec 18 - Sun, Jan 4
United Airlines Logo
5:00 pm - 8:48 amIAH-DEC
15h 48m1 stop
United Airlines Logo
7:09 pm - 12:30 amDEC-IAH
5h 21m1 stop
$364United Airlines
Find Deal
Wed, Dec 10 - Sun, Jan 4
United Airlines Logo
5:05 pm - 8:46 amIAH-DEC
15h 41m1 stop
United Airlines Logo
7:09 pm - 12:30 amDEC-IAH
5h 21m1 stop
$374United Airlines
Find Deal
Thu, Dec 18 - Sun, Jan 4
United Airlines Logo
7:25 am - 8:46 amIAH-DEC
25h 21m2 stops
United Airlines Logo
7:09 pm - 12:30 amDEC-IAH
5h 21m1 stop
$384United Airlines
Find Deal
Thu, Dec 18 - Sun, Jan 4
United Airlines Logo
8:25 pm - 8:48 amIAH-DEC
12h 23m1 stop
United Airlines Logo
9:42 am - 3:37 pmDEC-IAH
5h 55m1 stop
$389United Airlines
Find Deal
Sat, Aug 16 - Wed, Aug 20
United Airlines Logo
4:51 pm - 8:51 amIAH-DEC
16h 00m1 stop
United Airlines Logo
6:55 pm - 8:49 amDEC-IAH
13h 54m1 stop
$414United Airlines
Find Deal
Sat, Sep 27 - Sun, Sep 28
United Airlines Logo
8:45 pm - 5:52 pmIAH-DEC
21h 07m2 stops
United Airlines Logo
7:09 pm - 12:30 amDEC-IAH
5h 21m1 stop
$422United Airlines
Find Deal
Wed, Dec 10 - Sun, Jan 4
United Airlines Logo
7:50 pm - 8:48 amIAH-DEC
12h 58m2 stops
United Airlines Logo
7:09 pm - 12:30 amDEC-IAH
5h 21m1 stop
$432United Airlines
Find Deal
Wed, Dec 10 - Sun, Jan 4
United Airlines Logo
7:20 am - 8:51 amIAH-DEC
25h 31m2 stops
United Airlines Logo
6:55 pm - 8:49 amDEC-IAH
13h 54m1 stop
$434United Airlines
Find Deal
Sat, Sep 27 - Sun, Sep 28
United Airlines Logo
7:20 am - 8:51 amIAH-DEC
25h 31m2 stops
United Airlines Logo
6:55 pm - 8:39 amDEC-IAH
13h 44m2 stops
$493United Airlines
Find Deal
Sat, Sep 27 - Sun, Sep 28

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
Dec 18
IAH11:55 amHouston George Bush Intcntl
5h 56m
1 stop
DEC5:51 pmDecatur Arpt
Jan 4
DEC7:09 pmDecatur Arpt
5h 21m
1 stop
IAH12:30 amHouston George Bush Intcntl
United Airlines
Dec 10
IAH5:00 pmHouston George Bush Intcntl
15h 48m
1 stop
DEC8:48 amDecatur Arpt
Jan 4
DEC7:09 pmDecatur Arpt
5h 21m
1 stop
IAH12:30 amHouston George Bush Intcntl
United Airlines
Dec 18
IAH5:05 pmHouston George Bush Intcntl
15h 41m
1 stop
DEC8:46 amDecatur Arpt
Jan 4
DEC7:09 pmDecatur Arpt
5h 21m
1 stop
IAH12:30 amHouston George Bush Intcntl

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 August 3, 2025.
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

Thu 12/18

11:55 am-5:51 pm

1 stop5h 56m

Decatur Arpt

Sun 1/4

7:09 pm-12:30 am

1 stop5h 21m

$344

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Wed 12/10

5:00 pm-8:48 am

1 stop15h 48m

Decatur Arpt

Sun 1/4

7:09 pm-12:30 am

1 stop5h 21m

$364

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Thu 12/18

5:05 pm-8:46 am

1 stop15h 41m

Decatur Arpt

Sun 1/4

7:09 pm-12:30 am

1 stop5h 21m

$374

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Thu 12/18

7:25 am-8:46 am

2 stops25h 21m

Decatur Arpt

Sun 1/4

7:09 pm-12:30 am

1 stop5h 21m

$384

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Sat 8/16

8:25 pm-8:48 am

1 stop12h 23m

Decatur Arpt

Wed 8/20

9:42 am-3:37 pm

1 stop5h 55m

$389

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Sat 9/27

4:51 pm-8:51 am

1 stop16h 00m

Decatur Arpt

Sun 9/28

6:55 pm-8:49 am

1 stop13h 54m

$414

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Wed 12/10

8:45 pm-5:52 pm

2 stops21h 07m

Decatur Arpt

Sun 1/4

7:09 pm-12:30 am

1 stop5h 21m

$422

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Wed 12/10

7:50 pm-8:48 am

2 stops12h 58m

Decatur Arpt

Sun 1/4

7:09 pm-12:30 am

1 stop5h 21m

$432

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Sat 9/27

7:20 am-8:51 am

2 stops25h 31m

Decatur Arpt

Sun 9/28

6:55 pm-8:49 am

1 stop13h 54m

$434

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Sat 9/27

7:20 am-8:51 am

2 stops25h 31m

Decatur Arpt

Sun 9/28

6:55 pm-8:39 am

2 stops13h 44m

$493

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

Best Price Found

$344

Fastest flight time

5h 56m

Direct flights

None

Airports in Decatur, Illinois

1 airport
The best flight deal from Houston George Bush Intcntl Airport to Decatur, Illinois found on momondo in the last 72 hours is $344
The fastest flight from Houston George Bush Intcntl Airport to Decatur, Illinois takes 5h 56m
There are no direct flights from Houston George Bush Intcntl Airport to Decatur, Illinois. Popular non-direct route for this connection is Houston George Bush Intcntl Airport - Decatur Arpt Airport.
There is 1 airport near Decatur, Illinois: Decatur Arpt (DEC)

  • 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 56m.

  • 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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Fri 8/8
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