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

View $136 flight on Sat, Aug 30, 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 $264 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 16 - Tue, Sep 23
BUF
Buffalo
FSD
Sioux Falls
$264 Roundtrip, found 2 days ago
$264
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Sep 16 from Buffalo to Sioux Falls, returning Tue, Sep 23, priced at $264 found 2 days ago
Delta
Tue, Oct 7 - Tue, Oct 28
BUF
Buffalo
FSD
Sioux Falls
$269 Roundtrip, found 1 day ago
$269
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 7 from Buffalo to Sioux Falls, returning Tue, Oct 28, priced at $269 found 1 day ago
Delta
Sat, Aug 30 - Sun, Aug 31
BUF
Buffalo
FSD
Sioux Falls
$271 Roundtrip, found 12 hours ago
$271
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, Aug 30 from Buffalo to Sioux Falls, returning Sun, Aug 31, priced at $271 found 12 hours ago
Delta
Tue, Aug 26 - Tue, Sep 2
BUF
Buffalo
FSD
Sioux Falls
$274 Roundtrip, found 12 hours ago
$274
Roundtrip
found 12 hours ago
Select Delta flight, departing Tue, Aug 26 from Buffalo to Sioux Falls, returning Tue, Sep 2, priced at $274 found 12 hours ago
American Airlines
Thu, Feb 26 - Tue, Mar 3
BUF
Buffalo
FSD
Sioux Falls
$280 Roundtrip, found 3 hours ago
$280
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Thu, Feb 26 from Buffalo to Sioux Falls, returning Tue, Mar 3, priced at $280 found 3 hours ago
Delta
Tue, Nov 11 - Wed, Nov 12
BUF
Buffalo
FSD
Sioux Falls
$281 Roundtrip, found 5 days ago
$281
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Nov 11 from Buffalo to Sioux Falls, returning Wed, Nov 12, priced at $281 found 5 days ago
Delta
Sat, Sep 13 - Tue, Sep 23
BUF
Buffalo
FSD
Sioux Falls
$284 Roundtrip, found 2 days ago
$284
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Sep 13 from Buffalo to Sioux Falls, returning Tue, Sep 23, priced at $284 found 2 days ago
Delta
Fri, Aug 29 - Mon, Sep 1
BUF
Buffalo
FSD
Sioux Falls
$289 Roundtrip, found 12 hours ago
$289
Roundtrip
found 12 hours ago
Select Delta flight, departing Fri, Aug 29 from Buffalo to Sioux Falls, returning Mon, Sep 1, priced at $289 found 12 hours ago
Delta
Mon, Dec 22 - Tue, Jan 6
BUF
Buffalo
FSD
Sioux Falls
$289 Roundtrip, found 4 days ago
$289
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Dec 22 from Buffalo to Sioux Falls, returning Tue, Jan 6, priced at $289 found 4 days ago
United
Sat, Sep 27 - Sat, Oct 4
BUF
Buffalo
FSD
Sioux Falls
$309 Roundtrip, found 5 days ago
$309
Roundtrip
found 5 days ago
Select United flight, departing Sat, Sep 27 from Buffalo to Sioux Falls, returning Sat, Oct 4, priced at $309 found 5 days 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, United
Roundtrip price
$264
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 September. 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?
Secure a cheap one-way flight from $136 or cheap return flight from $264 from Buffalo Niagara Intl. Airport (BUF) to Sioux Falls Regional Airport (FSD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to Sioux Falls Regional Airport (FSD)?
September is the cheapest month to fly from BUF to FSD. Traveling during quieter months is often the key to finding a great deal.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Sioux Falls Regional Airport (FSD)?
To find the cheapest airline flying from BUF to FSD, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
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.