$632 Cheap Flights from Houston (HOU) to Decatur (DEC)

View $632 flight on Tue, Oct 14, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Decatur, IL (DEC)

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Cheap Flights from Houston to Decatur (HOU-DEC)

Prices were available within the past 7 days and start at $632 for one-way flights and $1,153 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Oct 29 - Wed, Nov 5
HOU
Houston
DEC
Decatur
$1,153 Roundtrip, found 6 days ago
$1,153
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Oct 29 from Houston to Decatur, returning Wed, Nov 5, priced at $1,153 found 6 days ago

Alternative airports near Decatur

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

Select flight to Decatur, IL DEC. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $404
DEC
Decatur, IL
CheapestClosest
Average driving time to city center8 min
Flights from $404

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Decatur Airport (DEC) cost?
Grab a cheap one-way flight from $632 or cheap return flight from $1,153 from William P. Hobby Airport (HOU) to Decatur Airport (DEC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from William P. Hobby Airport (HOU) to Decatur Airport (DEC)?
The cheapest month to fly from HOU to DEC is October, when demand is low. Off-peak months are typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to Decatur Airport (DEC)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest HOU to DEC flight.
How many flights per day from William P. Hobby Airport (HOU) to Decatur Airport (DEC)?
You'll need to book a flight with a layover if you're traveling from William P. Hobby Airport (HOU) to Decatur Airport (DEC). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from HOU to DEC?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from William P. Hobby Airport (HOU) to Decatur Airport (DEC)?
To avoid potential delays on the William P. Hobby Airport (HOU) to Decatur Airport (DEC) route, aim to travel before 3 PM. Departures after this time are 22% more likely to be canceled.**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 William P. Hobby Airport (HOU) to Decatur Airport (DEC) last-minute?
Booking your ticket from HOU to DEC just before your journey is typically more expensive. However, if there's some wiggle room with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a HOU to DEC flight and hotel package?
Opting for a HOU to DEC flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our wide range of stays and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Decatur Airport (DEC)?
If you reserved your HOU to DEC flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

Travel information

Travel information

Origin airport
William P. Hobby
Destination airport
Decatur
Roundtrip price
$1,153
Distance
790 mi

Book with confidence

Book with confidence

Houston to Decatur Flights

The cheapest times to fly from Houston to Decatur

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Decatur are during the month of October. You can find some of the cheapest flights from Houston to Decatur with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Decatur

Sunday is one of the best days to book for cheap flights from Houston to Decatur: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Decatur

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Decatur in 2025. You can also book with separate airlines for your outbound and return journeys, from $632 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Decatur flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Decatur airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Houston to Decatur Flights

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