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Cheap flights from Houston to Decatur from $273

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 8/8. 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
0 bags

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Find the cheapest flights from Houston to Decatur

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:08 pm - 5:56 pm
IAH
-
DEC
19h 48m
1 stop
United Airlines Logo
6:45 pm - 9:19 am
DEC
-
IAH
14h 34m
1 stop
$466United Airlines
Mon, Jun 8 - Sun, Jun 14
United Airlines Logo
5:09 am - 5:58 pm
IAH
-
DEC
12h 49m
1 stop
United Airlines Logo
7:05 pm - 12:31 am
DEC
-
IAH
5h 26m
1 stop
$479United Airlines
Wed, May 20 - Sun, May 24
United Airlines Logo
10:08 pm - 5:56 pm
IAH
-
DEC
19h 48m
1 stop
United Airlines Logo
7:05 pm - 12:30 am
DEC
-
IAH
5h 25m
1 stop
$517United Airlines
Fri, May 22 - Tue, May 26
United Airlines Logo
10:08 pm - 5:56 pm
IAH
-
DEC
19h 48m
1 stop
United Airlines Logo
7:05 pm - 9:19 am
DEC
-
IAH
14h 14m
1 stop
$541United Airlines
Fri, May 22 - Tue, May 26
United Airlines Logo
6:15 am - 5:57 pm
IAH
-
DEC
11h 42m
1 stop
United Airlines Logo
7:05 pm - 9:19 am
DEC
-
IAH
14h 14m
1 stop
$588United Airlines
Tue, May 19 - Fri, May 22
United Airlines Logo
5:17 pm - 5:56 pm
IAH
-
DEC
24h 39m
2 stops
United Airlines Logo
7:05 pm - 12:30 am
DEC
-
IAH
5h 25m
1 stop
$594United Airlines
Fri, May 22 - Tue, May 26
United Airlines Logo
11:55 am - 5:56 pm
IAH
-
DEC
6h 01m
1 stop
United Airlines Logo
7:05 pm - 12:30 am
DEC
-
IAH
5h 25m
1 stop
$612United Airlines
Sun, May 24 - Tue, May 26
United Airlines Logo
10:04 pm - 8:58 am
IAH
-
DEC
10h 54m
1 stop
United Airlines Logo
7:05 pm - 9:19 am
DEC
-
IAH
14h 14m
1 stop
$649United Airlines
Sun, May 17 - Thu, May 21
United Airlines Logo
11:55 am - 5:56 pm
IAH
-
DEC
6h 01m
1 stop
United Airlines Logo
7:05 pm - 12:30 am
DEC
-
IAH
5h 25m
1 stop
$664United Airlines
Sun, May 24 - Tue, May 26
United Airlines Logo
6:10 am - 5:56 pm
IAH
-
DEC
11h 46m
1 stop
United Airlines Logo
6:45 pm - 6:43 am
DEC
-
IAH
11h 58m
2 stops
$666United Airlines
Mon, Jun 8 - Sun, Jun 14

United Airlines flights from Houston to Decatur, Illinois

Our best United Airlines deals on Houston to Decatur, Illinois flight tickets
United Airlines
Aug 29
IAH11:55 amHouston George Bush Intcntl
5h 56m
1 stop
DEC5:51 pmDecatur Arpt
Sep 1
DEC6:55 pmDecatur Arpt
5h 27m
1 stop
IAH12:22 amHouston George Bush Intcntl
$384
United Airlines
Aug 29
IAH8:25 amHouston George Bush Intcntl
24h 21m
1 stop
DEC8:46 amDecatur Arpt
Sep 1
DEC6:55 pmDecatur Arpt
5h 27m
1 stop
IAH12:22 amHouston George Bush Intcntl
$405
United Airlines
Jun 8
IAH10:08 pmHouston George Bush Intcntl
19h 48m
1 stop
DEC5:56 pmDecatur Arpt
Jun 14
DEC6:45 pmDecatur Arpt
14h 34m
1 stop
IAH9:19 amHouston George Bush Intcntl
$466

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 May 7, 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

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Mon 6/8

10:08 pm-5:56 pm

1 stop19h 48m

Decatur Arpt

Sun 6/14

6:45 pm-9:19 am

1 stop14h 34m

$466

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Wed 5/20

5:09 am-5:58 pm

1 stop12h 49m

Decatur Arpt

Sun 5/24

7:05 pm-12:31 am

1 stop5h 26m

$479

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Fri 5/22

10:08 pm-5:56 pm

1 stop19h 48m

Decatur Arpt

Tue 5/26

7:05 pm-12:30 am

1 stop5h 25m

$517

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Fri 5/22

10:08 pm-5:56 pm

1 stop19h 48m

Decatur Arpt

Tue 5/26

7:05 pm-9:19 am

1 stop14h 14m

$541

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Tue 5/19

6:15 am-5:57 pm

1 stop11h 42m

Decatur Arpt

Fri 5/22

7:05 pm-9:19 am

1 stop14h 14m

$588

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Fri 5/22

5:17 pm-5:56 pm

2 stops24h 39m

Decatur Arpt

Tue 5/26

7:05 pm-12:30 am

1 stop5h 25m

$594
Quickest round-trip

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Sun 5/24

11:55 am-5:56 pm

1 stop6h 01m

Decatur Arpt

Tue 5/26

7:05 pm-12:30 am

1 stop5h 25m

$612

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Sun 5/17

10:04 pm-8:58 am

1 stop10h 54m

Decatur Arpt

Thu 5/21

7:05 pm-9:19 am

1 stop14h 14m

$649

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Sun 5/24

11:55 am-5:56 pm

1 stop6h 01m

Decatur Arpt

Tue 5/26

7:05 pm-12:30 am

1 stop5h 25m

$664

HoustonDecatur

IAH - DEC

IAHDEC

Houston George Bush Intcntl

Mon 6/8

6:10 am-5:56 pm

1 stop11h 46m

Decatur Arpt

Sun 6/14

6:45 pm-6:43 am

2 stops11h 58m

$666

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 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

6h 03m

Direct flights

None
The fastest flight from Houston to Decatur, Illinois takes 6h 03m
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 6h 03m.

  • 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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