$318 Cheap Flights from San Antonio (SAT) to Marion (MWA)

Popular airlines from San Antonio International Airport (SAT) to Marion, IL (MWA-Williamson County Regional)

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Cheap Flights from San Antonio to Marion (SAT-MWA)

Prices were available within the past 7 days and start at $318 for one-way flights and $484 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from San Antonio (SAT) to Marion (MWA)
Origin airport
San Antonio Intl.
Destination airport
Williamson County Regional
Roundtrip price
$484
Distance
785 mi

San Antonio to Marion Flights

The cheapest times to fly from San Antonio 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 San Antonio to Marion are during the month of October. You can find some of the cheapest flights from San Antonio to Marion with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Antonio to Marion

Sunday is one of the best days to book for cheap flights from San Antonio 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 San Antonio 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 San Antonio to Marion in 2025. You can also book with separate airlines for your outbound and return journeys, from $318 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 San Antonio 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 San Antonio 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 San Antonio Intl. Airport (SAT) to Williamson County Regional Airport (MWA) cost?
Snag a cheap one-way flight from $318 or cheap return flight from $484 from San Antonio Intl. Airport (SAT) to Williamson County Regional Airport (MWA) 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 San Antonio Intl. Airport (SAT) to Williamson County Regional Airport (MWA)?
October is the cheapest month to fly from SAT to MWA. Avoiding peak travel times is often the key to scoring lower fares.
What is the cheapest airline that flies from San Antonio Intl. Airport (SAT) to Williamson County Regional Airport (MWA)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SAT to MWA flight.
How many flights per day from San Antonio Intl. Airport (SAT) to Williamson County Regional Airport (MWA)?
There aren't any daily nonstop flights from San Antonio Intl. Airport (SAT) to Williamson County Regional Airport (MWA). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SAT to MWA?
You'll usually find Tuesday the quietest day for flights, while Fridays are often 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 San Antonio Intl. Airport (SAT) to Williamson County Regional Airport (MWA)?
To touch down at Williamson County Regional Airport (MWA) without delays, choose a flight that leaves San Antonio Intl. Airport (SAT) 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 San Antonio Intl. Airport (SAT) to Williamson County Regional Airport (MWA) last-minute?
Waiting until right before your break to book a ticket from SAT to MWA generally means paying more. While you might find some last-minute deals, they're not always guaranteed. Be flexible with your itinerary to boost your chances of scoring a bargain.
Is it cheaper to book a SAT to MWA flight and hotel package?
Compared with arranging flights and hotels separately, booking a SAT to MWA flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place takes the hassle out of travel planning. Just secure your flights and choose from our wide range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Williamson County Regional Airport (MWA)?
If you reserved your SAT to MWA flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

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