Cheap Flights from Sioux Falls (FSD) to Marion (MWA)

Popular airlines from Sioux Falls Regional Airport (FSD) to Marion, IL (MWA-Williamson County Regional)

Frequently asked questions

How much does a flight from Sioux Falls Regional Airport (FSD) to Williamson County Regional Airport (MWA) cost?
Secure a cheap one-way flight or cheap return flight from Sioux Falls Regional Airport (FSD) 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 Sioux Falls Regional Airport (FSD) to Williamson County Regional Airport (MWA)?
The cheapest month to fly from FSD to MWA is , when there's less demand. Off-peak months are typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Sioux Falls Regional Airport (FSD) to Williamson County Regional Airport (MWA)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from FSD to MWA. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Sioux Falls Regional Airport (FSD) to Williamson County Regional Airport (MWA)?
There aren't any daily nonstop flights available from Sioux Falls Regional Airport (FSD) to Williamson County Regional Airport (MWA). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from FSD to MWA?
You'll generally 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 Sioux Falls Regional Airport (FSD) to Williamson County Regional Airport (MWA)?
To touch down at Williamson County Regional Airport (MWA) on time, choose a flight that takes off from Sioux Falls Regional Airport (FSD) 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 Sioux Falls Regional Airport (FSD) to Williamson County Regional Airport (MWA) last-minute?
Last-minute fares from FSD to MWA are usually more expensive. To lock in the lowest prices, start searching for flights early. That said, if you're flexible with your travel dates, you may land a cheap ticket just before your departure.
Is it cheaper to book a FSD to MWA flight and hotel package?
Compared with arranging hotels and flights separately, booking a FSD to MWA flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place will take the stress out of travel planning. Just pick your flights and select from our wide range of hotels, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Sioux Falls Regional Airport (FSD) to Williamson County Regional Airport (MWA)?
In most instances, you're able to cancel or reschedule your FSD to MWA flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like further information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Sioux Falls Regional
Destination airport
Williamson County Regional
Distance
570 mi

Book with confidence

Book with confidence

Sioux Falls to Marion Flights

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

 

The best time to book a flight from Sioux Falls to Marion

Sunday is one of the best days to book for cheap flights from Sioux Falls 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 Sioux Falls 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 Sioux Falls to Marion 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 Sioux Falls 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 Sioux Falls 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.

 

Sioux Falls to Marion Flights

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*Available to One Key members.