$211 Cheap Flights from Decatur (DEC) to Houston (IAH)

View $211 flight on Wed, Aug 13, 2025Opens in a new window

Popular airlines from Decatur, IL (DEC) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from Decatur to Houston (DEC-IAH)

Prices were available within the past 7 days and start at $211 for one-way flights and $344 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Aug 7 - Mon, Aug 25
DEC
Decatur
IAH
Houston
$344 Roundtrip, found 11 hours ago
$344
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Aug 7 from Decatur to Houston, returning Mon, Aug 25, priced at $344 found 11 hours ago
United
Wed, Aug 6 - Mon, Aug 25
DEC
Decatur
IAH
Houston
$349 Roundtrip, found 11 hours ago
$349
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Aug 6 from Decatur to Houston, returning Mon, Aug 25, priced at $349 found 11 hours ago
United
Fri, Aug 15 - Wed, Aug 20
DEC
Decatur
IAH
Houston
$353 Roundtrip, found 2 days ago
$353
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 15 from Decatur to Houston, returning Wed, Aug 20, priced at $353 found 2 days ago
United
Thu, Aug 7 - Sun, Aug 24
DEC
Decatur
IAH
Houston
$364 Roundtrip, found 11 hours ago
$364
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Aug 7 from Decatur to Houston, returning Sun, Aug 24, priced at $364 found 11 hours ago
United
Wed, Aug 6 - Sun, Aug 24
DEC
Decatur
IAH
Houston
$369 Roundtrip, found 11 hours ago
$369
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Aug 6 from Decatur to Houston, returning Sun, Aug 24, priced at $369 found 11 hours ago
United
Thu, Aug 7 - Sun, Aug 10
DEC
Decatur
IAH
Houston
$372 Roundtrip, found 11 hours ago
$372
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Aug 7 from Decatur to Houston, returning Sun, Aug 10, priced at $372 found 11 hours ago
United
Tue, Aug 12 - Mon, Aug 25
DEC
Decatur
IAH
Houston
$374 Roundtrip, found 11 hours ago
$374
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Aug 12 from Decatur to Houston, returning Mon, Aug 25, priced at $374 found 11 hours ago
United
Wed, Aug 6 - Sun, Aug 10
DEC
Decatur
IAH
Houston
$377 Roundtrip, found 11 hours ago
$377
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Aug 6 from Decatur to Houston, returning Sun, Aug 10, priced at $377 found 11 hours ago
United
Mon, Aug 18 - Fri, Aug 22
DEC
Decatur
IAH
Houston
$380 Roundtrip, found 2 days ago
$380
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 18 from Decatur to Houston, returning Fri, Aug 22, priced at $380 found 2 days ago
United
Thu, Aug 7 - Fri, Aug 8
DEC
Decatur
IAH
Houston
$388 Roundtrip, found 11 hours ago
$388
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Aug 7 from Decatur to Houston, returning Fri, Aug 8, priced at $388 found 11 hours ago

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $344
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $344
Flights from Decatur (DEC) to Houston (IAH)
Origin airport
Decatur
Destination airport
George Bush Intercontinental
Airlines serving
United
Roundtrip price
$344
Distance
772 mi

Frequently asked questions

How much does a flight from Decatur Airport (DEC) to George Bush Intercontinental Airport (IAH) cost?
Discover the latest flight deals from DEC to IAH by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DEC to IAH?
The cheapest flights from DEC to IAH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DEC to IAH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DEC to IAH. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Decatur Airport (DEC) to George Bush Intercontinental Airport (IAH)?
You'll need to take a flight with a layover if you're traveling from Decatur Airport (DEC) to George Bush Intercontinental Airport (IAH). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from DEC to IAH?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Decatur Airport (DEC) to George Bush Intercontinental Airport (IAH)?
To reach George Bush Intercontinental Airport (IAH) on schedule, pick a flight that leaves Decatur Airport (DEC) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Decatur Airport (DEC) to George Bush Intercontinental Airport (IAH) last-minute?
Booking your plane ticket from DEC to IAH right before your journey is usually more expensive. But if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a DEC to IAH flight and hotel package?
You can save money by booking a DEC to IAH flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've selected your preferred accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Decatur Airport (DEC) to George Bush Intercontinental Airport (IAH)?
If you reserved your DEC to IAH flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

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