Cheap Flights from Watertown (ART) to Sioux Falls (FSD)

Featured airlines

American Airlines
United
Southwest Airlines
Delta
Spirit Airlines
JetBlue Airways
Frontier Airlines
Air India
Hawaiian Airlines
Find available prices by choosing your travel dates.

Cheap Flights from Watertown to Sioux Falls (ART-FSD)

Prices were available within the past 7 days and start at for one-way flights and $457 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
Flights from Watertown (ART) to Sioux Falls (FSD)
Origin airport
Watertown Intl.
Destination airport
Sioux Falls Regional
Roundtrip price
$456
Distance
1030 mi

Watertown to Sioux Falls Flights

The cheapest times to fly from Watertown to Sioux Falls

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

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

Sunday is one of the best days to book for cheap flights from Watertown to Sioux Falls: 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 Watertown to Sioux Falls

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 Watertown to Sioux Falls 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 Watertown to Sioux Falls 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 Watertown to Sioux Falls 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

Is it cheaper to buy a plane ticket from Watertown Intl. Airport (ART) to Joe Foss Field last minute?
Being spontaneous is a rewarding way to discover the world, but it isn’t always the best method to track down a bargain flight. It’s better to book your Watertown International Airport to Joe Foss Field trip in advance instead of leaving it to the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneity for when you get to your destination!
What airports do you fly into for Sioux Falls from Watertown?
Sioux Falls Regional Airport (FSD), Madison, SD (XMD-Madison Municipal) and Brookings, SD (BKX-Brookings Regional) are your options when jetting off from Watertown to Sioux Falls. Approximately 2 mi north of the heart of Sioux Falls, Sioux Falls Regional Airport (FSD) is the city’s main entry point. Take into account things like flight arrival and departure times and the distance to your hotel before deciding where you fly into. Denny Sanford Premier Center and Empire Mall are a couple of amazing attractions to put on your to-do list when you arrive at your destination.
Can I change the date of my flight from ART to Joe Foss Field?
It’s a snap to make amendments to your Watertown International Airport to Sioux Falls Regional Airport (FSD) trip yourself. Just log in to the Expedia Trips portal and hit “change flight.” Look around for new flights and book the one that works with your new plans. You’ll get an estimate of your flight change cost, if applicable. You can also head to our Customer Service portal to chat to our Virtual Agent and get answers to your questions.

Explore a world of travel with Expedia

*Available to One Key members.