Cheap Flights from Houston (HOU) to Carbondale (MDH)

Popular airlines from Houston William Hobby Airport (HOU) to Carbondale, IL (MDH-Southern Illinois)

Alternative airports near Carbondale

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

Select flight to Williamson County Regional MWA. Cheapest option available. Average driving time to city center is 19 minutes. Flights from $526
MWA
Williamson County Regional
Cheapest
Average driving time to city center19 min
Flights from $526

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Carbondale, IL (MDH-Southern Illinois) cost?
Secure a cheap one-way flight or cheap return flight from William P. Hobby Airport (HOU) to Carbondale, IL (MDH-Southern Illinois) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from William P. Hobby Airport (HOU) to Carbondale, IL (MDH-Southern Illinois)?
is the least expensive month to fly from HOU to MDH. Timing your trip outside of the busy season is often the key to finding better deals on flights.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to Carbondale, IL (MDH-Southern Illinois)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from HOU to MDH. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from William P. Hobby Airport (HOU) to Carbondale, IL (MDH-Southern Illinois)?
There aren't any daily direct flights available from William P. Hobby Airport (HOU) to Carbondale, IL (MDH-Southern Illinois). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from HOU to MDH?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary 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 William P. Hobby Airport (HOU) to Carbondale, IL (MDH-Southern Illinois)?
To avoid possible delays on the William P. Hobby Airport (HOU) to Carbondale, IL (MDH-Southern Illinois) route, travel before 3 PM. Later flights have a 22% higher chance of being 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 Carbondale, IL (MDH-Southern Illinois) last-minute?
Holding off until right before your break to book a flight from HOU to MDH generally means paying more. While it's possible to find some last-minute discounts, they aren't always guaranteed. Keep your travel schedule open to maximize your chances of scoring a bargain.
Is it cheaper to book a HOU to MDH flight and hotel package?
You can save money by booking a HOU to MDH flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your ideal flights and accommodations, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Carbondale, IL (MDH-Southern Illinois)?
Typically, you can cancel or reschedule your HOU to MDH flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like more details, visit our Customer Service portal.

Travel information

Travel information

Origin airport
William P. Hobby
Destination airport
Southern Illinois
Distance
659 mi

Book with confidence

Book with confidence

Houston to Carbondale Flights

The cheapest times to fly from Houston to Carbondale

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 Carbondale are during the month of . You can find some of the cheapest flights from Houston to Carbondale with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Carbondale

Sunday is one of the best days to book for cheap flights from Houston to Carbondale: 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 Carbondale

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 Carbondale in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Carbondale 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 Carbondale 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 Carbondale Flights

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*Available to One Key members.