$278 Cheap Flights from Williston (XWA) to Sioux Falls (FSD)

Williston (XWA) to Sioux Falls (FSD) at a glance

Travel between Williston (XWA) and Sioux Falls (FSD) on a selection of airlines offering convenient routes for this domestic short-haul journey. Explore various options from full-service carriers to discover the itinerary that aligns with your budget and schedule while you enjoy the renowned attractions and neighborhoods of Sioux Falls. Get all the essential details for flights from Basin International Airport to Sioux Falls Regional Airport as you plan your trip.

• Fastest flight duration: around 3h 15m in-flight, plus roughly 1h 15m layover with one stop
• Route distance: roughly 450 miles (725 km)
• Flights per week: around 7 departures on average
• Typical fares (one-way): economy tickets often range from $110–$550, depending on seasonality and how far ahead you book

Flights from Basin International Airport (XWA) to Sioux Falls Regional Airport (FSD)

According to recent traveler bookings, the most popular airlines flying from Williston to Sioux Falls typically offer one-stop services, with common layover options at Minneapolis - St. Paul International Airport (MSP, approximately 1 hour) and Denver International Airport (DEN, around 1 hour and 30 minutes). These choices allow you to tailor your itinerary by balancing price, travel time, and cabin class for the best possible experience.

• Delta: This full-service airline provides one-stop travel options, with one-way ticket prices generally falling between $110 and $460. Delta operates about 71% of the flights on this route, featuring an in-flight duration of 3 hours and 15 minutes, and a total travel time of around 4 hours and 45 minutes, including any layover.
• United: Another full-service option, United offers one-stop services with one-way fares typically ranging from $125 to $550. Representing approximately 29% of the departures on this route, passengers can expect a flight time of 3 hours and 15 minutes, along with a total journey duration of roughly 4 hours and 45 minutes, factoring in the layover.

How to find the best prices for flights from Williston (XWA) to Sioux Falls (FSD)

Getting some of the best deals on flights from Williston to Sioux Falls is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually found when booking 2 to 8 weeks in advance, which coincides with when most travelers make their reservations. Morning departures between 5 a.m. and 12 p.m. tend to offer lower prices and are also the most popular flight times, while flying on Friday provides both affordability and popularity as a travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Sioux Falls hotel and flight deals.
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Sioux Falls Regional Airport from Basin International Airport

Sioux Falls welcomes travelers from Williston with a range of transport options based on price, convenience, and proximity. Here's how to reach Sioux Falls efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Sioux Falls, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
• Car rental: Renting a car from Sioux Falls Regional Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Sioux Falls Regional Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

Williston to Sioux Falls Flights

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

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

Sunday is one of the best days to book for cheap flights from Williston 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 Williston 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 Williston to Sioux Falls in 2026. You can also book with separate airlines for your outbound and return journeys, from $278 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 Williston 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 Williston 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.