Cheap Flights from Grand Forks (GFK) to Sioux Falls (FSD)

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Cheap Flights from Grand Forks to Sioux Falls (GFK-FSD)

Prices were available within the past 7 days and start at for one-way flights and $347 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from Grand Forks (GFK) to Sioux Falls (FSD)
Origin airport
Grand Forks Intl.
Destination airport
Sioux Falls Regional
Airlines serving
Delta
Roundtrip price
$346
Distance
302 mi

Grand Forks to Sioux Falls Flights

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

The best time to book a flight from Grand Forks to Sioux Falls

Sunday is one of the best days to book for cheap flights from Grand Forks 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 Grand Forks 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 Grand Forks 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 Grand Forks 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 Grand Forks 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

How much does a flight from Grand Forks Intl. Airport (GFK) to Sioux Falls Regional Airport (FSD) cost?
Discover the latest flight deals from GFK to FSD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from GFK to FSD?
The cheapest flights from GFK to FSD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from GFK to FSD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from GFK to FSD. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Grand Forks Intl. Airport (GFK) to Sioux Falls Regional Airport (FSD)?
You’ll need to catch a flight with a layover if you’re traveling from Grand Forks Intl. Airport (GFK) to Sioux Falls Regional Airport (FSD). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from GFK to FSD?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Grand Forks Intl. Airport (GFK) to Sioux Falls Regional Airport (FSD)?
To avoid potential delays on the Grand Forks Intl. Airport (GFK) to Sioux Falls Regional Airport (FSD) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**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 Grand Forks Intl. Airport (GFK) to Sioux Falls Regional Airport (FSD) last-minute?
Holding off until just before your trip to book a flight from GFK to FSD often results in higher prices. Although you may find some last-minute offers, they aren’t always guaranteed. Keep your travel schedule open to boost your chances of getting a bargain.
Is it cheaper to book a GFK to FSD flight and hotel package?
You’ll typically save money by securing a GFK to FSD flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. Once you’ve selected your ideal flights and accommodations, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Grand Forks Intl. Airport (GFK) to Sioux Falls Regional Airport (FSD)?
Typically, you can reschedule or cancel your GFK to FSD flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline’s guidelines and fees on flight changes, or if you’d like further details, head to our Customer Service portal.

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*Available to One Key members.