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Cheap flights from Houston to Decatur from $302

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 to Decatur departing on 10/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Houston to Decatur

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:55 am - 5:51 pm
IAH
-
DEC
5h 56m
1 stop
United Airlines Logo
6:55 pm - 12:30 am
DEC
-
IAH
5h 35m
1 stop
$384United Airlines
Tue, Oct 27 - Sat, Oct 31
United Airlines Logo
7:20 am - 8:46 am
IAH
-
DEC
25h 26m
1 stop
United Airlines Logo
6:55 pm - 12:14 am
DEC
-
IAH
5h 19m
1 stop
$426United Airlines
Tue, Oct 27 - Sat, Oct 31
United Airlines Logo
7:20 am - 5:59 pm
IAH
-
DEC
10h 39m
1 stop
United Airlines Logo
9:12 am - 5:17 pm
DEC
-
IAH
8h 05m
1 stop
$455United Airlines
Fri, Aug 28 - Mon, Aug 31
United Airlines Logo
6:10 pm - 5:51 pm
IAH
-
DEC
23h 41m
2 stops
United Airlines Logo
6:55 pm - 12:30 am
DEC
-
IAH
5h 35m
1 stop
$462United Airlines
Tue, Oct 27 - Sat, Oct 31
United Airlines Logo
2:40 pm - 5:59 pm
IAH
-
DEC
27h 19m
2 stops
United Airlines Logo
7:20 pm - 12:27 am
DEC
-
IAH
5h 07m
1 stop
$482United Airlines
Fri, Aug 28 - Mon, Aug 31
United Airlines Logo
10:19 pm - 7:37 am
IAH
-
DEC
9h 18m
1 stop
United Airlines Logo
7:20 pm - 10:25 am
DEC
-
IAH
15h 05m
1 stop
$484United Airlines
Wed, Aug 19 - Fri, Aug 21
United Airlines Logo
6:10 am - 5:56 pm
IAH
-
DEC
11h 46m
1 stop
United Airlines Logo
6:45 pm - 12:34 am
DEC
-
IAH
5h 49m
1 stop
$519United Airlines
Thu, Jul 16 - Thu, Jul 23
United Airlines Logo
11:55 am - 5:56 pm
IAH
-
DEC
6h 01m
1 stop
United Airlines Logo
6:45 pm - 12:34 am
DEC
-
IAH
5h 49m
1 stop
$525United Airlines
Sun, Jul 19 - Mon, Jul 27
United Airlines Logo
5:05 pm - 5:56 pm
IAH
-
DEC
24h 51m
2 stops
United Airlines Logo
6:45 pm - 12:34 am
DEC
-
IAH
5h 49m
1 stop
$546United Airlines
Thu, Jul 16 - Thu, Jul 23
United Airlines Logo
11:55 am - 5:56 pm
IAH
-
DEC
6h 01m
1 stop
United Airlines Logo
6:45 pm - 12:34 am
DEC
-
IAH
5h 49m
1 stop
$553United Airlines
Sun, Jul 19 - Mon, Jul 27

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United Airlines flights from Houston to Decatur, Illinois

Our best United Airlines deals on Houston to Decatur, Illinois flight tickets
United Airlines
Oct 27
IAH11:55 amHouston George Bush Intcntl
5h 56m
1 stop
DEC5:51 pmDecatur Arpt
Oct 31
DEC6:55 pmDecatur Arpt
5h 35m
1 stop
IAH12:30 amHouston George Bush Intcntl
$384
United Airlines
Oct 27
IAH7:20 amHouston George Bush Intcntl
25h 26m
1 stop
DEC8:46 amDecatur Arpt
Oct 31
DEC6:55 pmDecatur Arpt
5h 19m
1 stop
IAH12:14 amHouston George Bush Intcntl
$426
United Airlines
Aug 28
IAH7:20 amHouston George Bush Intcntl
10h 39m
1 stop
DEC5:59 pmDecatur Arpt
Aug 31
DEC9:12 amDecatur Arpt
8h 05m
1 stop
IAH5:17 pmHouston George Bush Intcntl
$455

momondo Fare Finder

 
Customize your flight search to find flights from Houston 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 June 21, 2026.
Use the filters below to find and compare flights from Houston to Decatur, Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Tue 10/27

11:55 am-5:51 pm

1 stop5h 56m

Decatur Arpt

Sat 10/31

6:55 pm-12:30 am

1 stop5h 35m

$384

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Tue 10/27

7:20 am-8:46 am

1 stop25h 26m

Decatur Arpt

Sat 10/31

6:55 pm-12:14 am

1 stop5h 19m

$426

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Fri 8/28

7:20 am-5:59 pm

1 stop10h 39m

Decatur Arpt

Mon 8/31

9:12 am-5:17 pm

1 stop8h 05m

$455

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Tue 10/27

6:10 pm-5:51 pm

2 stops23h 41m

Decatur Arpt

Sat 10/31

6:55 pm-12:30 am

1 stop5h 35m

$462

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Fri 8/28

2:40 pm-5:59 pm

2 stops27h 19m

Decatur Arpt

Mon 8/31

7:20 pm-12:27 am

1 stop5h 07m

$482

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Wed 8/19

10:19 pm-7:37 am

1 stop9h 18m

Decatur Arpt

Fri 8/21

7:20 pm-10:25 am

1 stop15h 05m

$484

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Thu 7/16

6:10 am-5:56 pm

1 stop11h 46m

Decatur Arpt

Thu 7/23

6:45 pm-12:34 am

1 stop5h 49m

$519

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Sun 7/19

11:55 am-5:56 pm

1 stop6h 01m

Decatur Arpt

Mon 7/27

6:45 pm-12:34 am

1 stop5h 49m

$525

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Thu 7/16

5:05 pm-5:56 pm

2 stops24h 51m

Decatur Arpt

Thu 7/23

6:45 pm-12:34 am

1 stop5h 49m

$546

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Sun 7/19

11:55 am-5:56 pm

1 stop6h 01m

Decatur Arpt

Mon 7/27

6:45 pm-12:34 am

1 stop5h 49m

$553

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Decatur from

How to get the cheapest flight ticket from Houston 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 to Decatur Arpt?

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

Cheap Houston to Decatur, Illinois flight deals and tips

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

Fastest flight time

5h 56m

Direct flights

None
The fastest flight from Houston to Decatur, Illinois takes 5h 56m
There are no direct flights from Houston to Decatur, Illinois. There are no popular flight routes from Houston to Decatur, Illinois.
Search flight deals

Frequently asked questions about flying from Houston to Decatur, Illinois

  • How far is Houston to Decatur Arpt by plane?

    A flight from Houston to Decatur Arpt will travel around 784.8 mi. In terms of flight time, this usually takes a little over 5h 56m.

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

    Prices for flights from Houston to Decatur Arpt Airport refresh daily.

  • How old do you have to be to fly from Houston 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 to Decatur Arpt Airport.

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

    The required travel and health documents for your Decatur Arpt Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Decatur Arpt Airport. We recommend that you seek guidance from your airline or a reliable 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?

Flights from Houston to Decatur with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Houston and Decatur by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Houston to Decatur flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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