$334 Cheap Flights from Houston (IAH) to Marion (MWA)

View $334 flight on Wed, Dec 24, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Marion, IL (MWA-Williamson County Regional)

Cheap Flights from Houston to Marion (IAH-MWA)

Prices were available within the past 7 days and start at $334 for one-way flights and $306 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Jan 18 - Tue, Jan 20
IAH
Houston
MWA
Marion
$306 Roundtrip, found 4 days ago
$306
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Jan 18 from Houston to Marion, returning Tue, Jan 20, priced at $306 found 4 days ago
American Airlines
Thu, Jan 22 - Sun, Jan 25
IAH
Houston
MWA
Marion
$311 Roundtrip, found 19 hours ago
$311
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Thu, Jan 22 from Houston to Marion, returning Sun, Jan 25, priced at $311 found 19 hours ago
United
Sun, Jan 18 - Tue, Jan 20
IAH
Houston
MWA
Marion
$336 Roundtrip, found 4 days ago
$336
Roundtrip
found 4 days ago
Select United flight, departing Sun, Jan 18 from Houston to Marion, returning Tue, Jan 20, priced at $336 found 4 days ago
United
Tue, Jan 13 - Wed, Jan 14
IAH
Houston
MWA
Marion
$340 Roundtrip, found 1 day ago
$340
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jan 13 from Houston to Marion, returning Wed, Jan 14, priced at $340 found 1 day ago
United
Sat, Feb 14 - Wed, Feb 18
IAH
Houston
MWA
Marion
$342 Roundtrip, found 3 days ago
$342
Roundtrip
found 3 days ago
Select United flight, departing Sat, Feb 14 from Houston to Marion, returning Wed, Feb 18, priced at $342 found 3 days ago
United
Thu, Jan 8 - Wed, Jan 14
IAH
Houston
MWA
Marion
$343 Roundtrip, found 1 day ago
$343
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 8 from Houston to Marion, returning Wed, Jan 14, priced at $343 found 1 day ago
American Airlines
Sun, Feb 8 - Wed, Feb 11
IAH
Houston
MWA
Marion
$344 Roundtrip, found 2 hours ago
$344
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sun, Feb 8 from Houston to Marion, returning Wed, Feb 11, priced at $344 found 2 hours ago
United
Thu, Feb 12 - Sat, Feb 14
IAH
Houston
MWA
Marion
$345 Roundtrip, found 3 days ago
$345
Roundtrip
found 3 days ago
Select United flight, departing Thu, Feb 12 from Houston to Marion, returning Sat, Feb 14, priced at $345 found 3 days ago
United
Thu, Jan 8 - Fri, Jan 9
IAH
Houston
MWA
Marion
$346 Roundtrip, found 1 day ago
$346
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 8 from Houston to Marion, returning Fri, Jan 9, priced at $346 found 1 day ago
American Airlines
Mon, Jan 12 - Wed, Jan 14
IAH
Houston
MWA
Marion
$352 Roundtrip, found 4 days ago
$352
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Jan 12 from Houston to Marion, returning Wed, Jan 14, priced at $352 found 4 days ago

Alternative airports near Marion

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

Select flight to Williamson County Regional MWA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $651
MWA
Williamson County Regional
CheapestClosest
Average driving time to city center8 min
Flights from $651
Flights from Houston (IAH) to Marion (MWA)
Origin airport
George Bush Intercontinental
Destination airport
Williamson County Regional
Roundtrip price
$306
Distance
647 mi

Houston to Marion Flights

The cheapest times to fly from Houston to Marion

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

 

The best time to book a flight from Houston to Marion

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

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 Marion in 2026. You can also book with separate airlines for your outbound and return journeys, from $334 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 Marion 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 Marion 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.

 

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Williamson County Regional Airport (MWA) cost?
Lock in a cheap one-way flight from $334 or cheap return flight from $306 from George Bush Intercontinental Airport (IAH) to Williamson County Regional Airport (MWA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Williamson County Regional Airport (MWA)?
January is the least expensive month to fly from IAH to MWA. Avoiding peak travel times is often the key to better flight prices.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Williamson County Regional Airport (MWA)?
To find the cheapest airline that'll fly you from IAH to MWA, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from George Bush Intercontinental Airport (IAH) to Williamson County Regional Airport (MWA)?
There aren't any daily direct flights departing from George Bush Intercontinental Airport (IAH) to Williamson County Regional Airport (MWA). But you can choose flights with layovers. Filter your search 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 IAH to MWA?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Williamson County Regional Airport (MWA)?
To touch down at Williamson County Regional Airport (MWA) on time, select a flight that takes off from George Bush Intercontinental Airport (IAH) before 3 PM. The chance 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 George Bush Intercontinental Airport (IAH) to Williamson County Regional Airport (MWA) last-minute?
Waiting until just before your departure to book a flight from IAH to MWA often results in higher prices. Although you may find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans to boost your chances of scoring a bargain.
Is it cheaper to book an IAH to MWA flight and hotel package?
Booking an IAH to MWA flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our extensive range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Williamson County Regional Airport (MWA)?
Typically, you're able to reschedule or cancel your IAH to MWA flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need more details, head to our Customer Service portal.

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*Available to One Key members.