$136 Cheap Flights from Buffalo (BUF) to Sioux Falls (FSD)

View $136 flight on Wed, Sep 3, 2025Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Sioux Falls Regional Airport (FSD)

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Cheap Flights from Buffalo to Sioux Falls (BUF-FSD)

Prices were available within the past 7 days and start at $136 for one-way flights and $259 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Aug 12 - Sun, Aug 17
BUF
Buffalo
FSD
Sioux Falls
$259 Roundtrip, found 4 hours ago
$259
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Aug 12 from Buffalo to Sioux Falls, returning Sun, Aug 17, priced at $259 found 4 hours ago
United
Sat, Sep 27 - Sat, Oct 4
BUF
Buffalo
FSD
Sioux Falls
$264 Roundtrip, found 3 days ago
$264
Roundtrip
found 3 days ago
Select United flight, departing Sat, Sep 27 from Buffalo to Sioux Falls, returning Sat, Oct 4, priced at $264 found 3 days ago
Delta
Fri, Oct 31 - Sat, Nov 1
BUF
Buffalo
FSD
Sioux Falls
$264 Roundtrip, found 4 days ago
$264
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Oct 31 from Buffalo to Sioux Falls, returning Sat, Nov 1, priced at $264 found 4 days ago
Delta
Fri, Aug 22 - Mon, Aug 25
BUF
Buffalo
FSD
Sioux Falls
$269 Roundtrip, found 1 day ago
$269
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Aug 22 from Buffalo to Sioux Falls, returning Mon, Aug 25, priced at $269 found 1 day ago
Delta
Sun, Aug 31 - Tue, Sep 2
BUF
Buffalo
FSD
Sioux Falls
$271 Roundtrip, found 5 days ago
$271
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Aug 31 from Buffalo to Sioux Falls, returning Tue, Sep 2, priced at $271 found 5 days ago
Delta
Tue, Jul 29 - Fri, Aug 15
BUF
Buffalo
FSD
Sioux Falls
$274 Roundtrip, found 3 days ago
$274
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jul 29 from Buffalo to Sioux Falls, returning Fri, Aug 15, priced at $274 found 3 days ago
Delta
Fri, Aug 22 - Wed, Aug 27
BUF
Buffalo
FSD
Sioux Falls
$274 Roundtrip, found 1 day ago
$274
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Aug 22 from Buffalo to Sioux Falls, returning Wed, Aug 27, priced at $274 found 1 day ago
Delta
Sun, Aug 31 - Wed, Sep 3
BUF
Buffalo
FSD
Sioux Falls
$276 Roundtrip, found 5 days ago
$276
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Aug 31 from Buffalo to Sioux Falls, returning Wed, Sep 3, priced at $276 found 5 days ago
American Airlines
Wed, Aug 13 - Sun, Aug 17
BUF
Buffalo
FSD
Sioux Falls
$301 Roundtrip, found 4 hours ago
$301
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Aug 13 from Buffalo to Sioux Falls, returning Sun, Aug 17, priced at $301 found 4 hours ago
Frontier Airlines
Sun, Aug 24 - Sun, Aug 31
BUF
Buffalo
FSD
Sioux Falls
$306 Roundtrip, found 1 day ago
$306
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Aug 24 from Buffalo to Sioux Falls, returning Sun, Aug 31, priced at $306 found 1 day ago

Find the cheapest month to fly from Buffalo (BUF) to Sioux Falls (FSD)

April is typically the cheapest month to fly

From $198 - $665 per traveler.

Graph displaying average flight prices per month

Alternative airports near Sioux Falls

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sioux Falls Regional FSD. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $274
FSD
Sioux Falls Regional
CheapestClosest
Average driving time to city center6 min
Flights from $274
Flights from Buffalo (BUF) to Sioux Falls (FSD)
Origin airport
Buffalo Niagara Intl.
Destination airport
Sioux Falls Regional
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$258
Distance
905 mi

Buffalo to Sioux Falls Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Buffalo 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 Buffalo 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 Buffalo to Sioux Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $136 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 Buffalo 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 Buffalo 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 Buffalo Niagara Intl. Airport (BUF) to Sioux Falls Regional Airport (FSD) cost?
Discover the latest flight deals from BUF 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 BUF to FSD?
The cheapest flights from BUF 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 BUF to FSD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BUF to FSD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Sioux Falls Regional Airport (FSD)?
Nonstop flights from Buffalo Niagara Intl. Airport (BUF) to Sioux Falls Regional Airport (FSD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BUF to FSD?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Sioux Falls Regional Airport (FSD)?
To land at Sioux Falls Regional Airport (FSD) without delays, opt for a flight that leaves Buffalo Niagara Intl. Airport (BUF) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Buffalo Niagara Intl. Airport (BUF) to Sioux Falls Regional Airport (FSD) last-minute?
Booking your flight from BUF to FSD just before your trip is usually more expensive. However, if you're flexible with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a BUF to FSD flight and hotel package?
Compared with arranging flights and hotels separately, booking a BUF to FSD flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the stress out of travel planning. Just pick your flights and select from our wide range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Sioux Falls Regional Airport (FSD)?
Usually, it's possible to cancel or reschedule your BUF to FSD flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.