$244 Cheap Flights from Marion (MWA) to San Antonio (SAT)

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

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

Prices were available within the past 7 days and start at $244 for one-way flights and $456 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from Marion (MWA) to San Antonio (SAT)
Origin airport
Williamson County Regional
Destination airport
San Antonio Intl.
Roundtrip price
$456
Distance
785 mi

Marion to San Antonio Flights

The cheapest times to fly from Marion to San Antonio

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

 

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

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

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 Marion to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $244 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 Marion to San Antonio 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 Marion to San Antonio 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 Williamson County Regional Airport (MWA) to San Antonio Intl. Airport (SAT) cost?
Snag a cheap one-way flight from $244 or cheap return flight from $456 from Williamson County Regional Airport (MWA) to San Antonio Intl. Airport (SAT) 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 Williamson County Regional Airport (MWA) to San Antonio Intl. Airport (SAT)?
Flying in October can help you save, as it's the cheapest month for flights between MWA and SAT. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Williamson County Regional Airport (MWA) to San Antonio Intl. Airport (SAT)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest MWA to SAT flight.
How many flights per day from Williamson County Regional Airport (MWA) to San Antonio Intl. Airport (SAT)?
Direct flights from Williamson County Regional Airport (MWA) to San Antonio Intl. Airport (SAT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MWA to SAT?
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 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 Williamson County Regional Airport (MWA) to San Antonio Intl. Airport (SAT)?
Choose a flight from Williamson County Regional Airport (MWA) to San Antonio Intl. Airport (SAT) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**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 Williamson County Regional Airport (MWA) to San Antonio Intl. Airport (SAT) last-minute?
Last-minute bookings from MWA to SAT are generally more expensive. For the best prices, start searching for flights early. That being said, if your travel plans are flexible, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book a MWA to SAT flight and hotel package?
You'll generally save money by booking a MWA to SAT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After selecting your preferred flights and accommodations, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Williamson County Regional Airport (MWA) to San Antonio Intl. Airport (SAT)?
If you booked your MWA to SAT flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare 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, visit our Customer Service portal for more details.

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*Available to One Key members.