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$259+ Cheap flights from Buffalo to Sioux Falls (BUF - FSD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — FSD
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Buffalo to Sioux Falls

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Sioux Falls (FSD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 20, 2025.

Round-trip from

$259
(American Airlines)

Popular in

January

Cheapest in

August

Average price

$308
From Buffalo to Sioux Falls Joe Foss Field
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($90 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Buffalo to Sioux Falls

Cheapest flights from Buffalo to Sioux Falls
Explore the most affordable flight options available from Buffalo to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:00 amBUF - FSD
1 stop6h 47mAmerican Airlines
Mon 11/31:03 pmFSD - BUF
1 stop8h 43mAmerican Airlines
Deal found 8/19$259
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:03 amBUF - FSD
2 stops17h 41mDelta
Tue 10/75:20 amFSD - BUF
2 stops8h 56mDelta
Deal found 8/19$316
This American Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:00 amBUF - FSD
1 stop6h 38mAmerican Airlines
Tue 10/76:49 amFSD - BUF
1 stop9h 03mAmerican Airlines
Deal found 8/17$329
This American Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:29 amBUF - FSD
1 stop6h 48mAmerican Airlines
Sun 9/76:00 amFSD - BUF
1 stop4h 06mAmerican Airlines
Deal found 8/18$383
This American Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:30 amBUF - FSD
1 stop5h 18mAmerican Airlines
Mon 9/226:00 amFSD - BUF
1 stop4h 06mAmerican Airlines
Deal found 8/18$392
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/910:55 amBUF - FSD
2 stops10h 34mUnited Airlines
Tue 9/166:00 amFSD - BUF
2 stops9h 52mUnited Airlines
Deal found 8/19$394

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Sioux Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from Buffalo to Sioux Falls that are best for you.

Fly from

Buffalo

Fly to

Sioux Falls

Route

Depart

Return

Price

BuffaloSioux Falls

BUF - FSD

BUFFSD

Buffalo

Fri 10/31

7:00 am-12:47 pm

1 stop6h 47m

Sioux Falls Joe Foss Field

Mon 11/3

1:03 pm-10:46 pm

1 stop8h 43m

$259

BuffaloSioux Falls

BUF - FSD

BUFFSD

Buffalo

Sat 10/4

6:03 am-10:44 pm

2 stops17h 41m

Sioux Falls Joe Foss Field

Tue 10/7

5:20 am-3:16 pm

2 stops8h 56m

$316

BuffaloSioux Falls

BUF - FSD

BUFFSD

Buffalo

Tue 9/9

5:54 pm-10:12 pm

1 stop5h 18m

Sioux Falls Joe Foss Field

Tue 9/16

2:08 pm-10:56 pm

1 stop7h 48m

$329

BuffaloSioux Falls

BUF - FSD

BUFFSD

Buffalo

Sat 10/4

7:00 am-12:38 pm

1 stop6h 38m

Sioux Falls Joe Foss Field

Tue 10/7

6:49 am-4:52 pm

1 stop9h 03m

$329

BuffaloSioux Falls

BUF - FSD

BUFFSD

Buffalo

Mon 12/8

5:40 pm-9:50 pm

1 stop5h 10m

$271

BuffaloSioux Falls

BUF - FSD

BUFFSD

Buffalo

Mon 12/8

5:06 pm-12:50 pm

3 stops44h 44m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Best time to book a flight from Buffalo to Sioux Falls

Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Sioux Falls

Get insights into the airlines that provide service to Sioux Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sioux Falls. Reviews last updated August 20, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Buffalo to Sioux Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,928 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,928 reviews
United Airlines
7.4
Good
8,928 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,928 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Sioux Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Buffalo to Sioux Falls?

    Airlines like American Airlines and Delta fly from Buffalo to Sioux Falls in about 6h 47m. The time it takes to get you to your destination can typically vary by up to 10h 54m. There are 905 mi between Buffalo and Sioux Falls. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Buffalo to Sioux Falls round-trip?

    Currently priced at $243, American Airlines will fly you from Buffalo to Sioux Falls and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $317. Users have found that American Airlines is 44% cheaper than the other options available to this destination.

  • Can I find deals for flights from Buffalo to Sioux Falls that include hotel bookings?

    Yes. In addition to deals on Buffalo to Sioux Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Sioux Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Sioux Falls.

  • Can I find deals for business class flights from Buffalo to Sioux Falls?

    Yes. Cheapflights offers flight deals from Buffalo to Sioux Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to Sioux Falls?

    Currently, September is the cheapest month in which you can book a flight from Buffalo to Sioux Falls (average of $334). Flying from Buffalo to Sioux Falls in December is currently the most expensive (average of $446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 2 airlines flying from Buffalo to Sioux Falls

Discover the top 2 airlines that operate flights from Buffalo to Sioux Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$243Average$393FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$317Average$478FlexibilityNo cancel feeOn-time69%

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