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

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — BUF
août 3 — août 101
dim. 8/3
dim. 8/10
1 adult, Economy
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Cheap flight deals from Sioux Falls to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Buffalo (BUF). 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 juillet 29, 2025.

Round-trip from

$259
(American Airlines)

Popular in

December

Cheapest in

March

Average price

$394
From Sioux Falls Joe Foss Field to Buffalo
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Highest demand for flights based on searches. 18% potential increase in price ($92 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Sioux Falls to Buffalo

Cheapest flights from Sioux Falls to Buffalo
Explore the most affordable flight options available from Sioux Falls to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/29. 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.
mer. 10/85:42 pmFSD - BUF
1 stop4h 53mAmerican Airlines
dim. 10/125:27 pmBUF - FSD
1 stop6h 15mAmerican Airlines
Deal found 7/29$371
This United Airlines deal was found by Cheapflights users on 7/27. 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.
mer. 9/1011:20 amFSD - BUF
1 stop4h 32mUnited Airlines
mer. 9/175:54 pmBUF - FSD
1 stop5h 18mUnited Airlines
Deal found 7/27$384
This Delta deal was found by Cheapflights users on 7/28. 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.
lun. 8/1112:56 pmFSD - BUF
1 stop4h 40mDelta
jeu. 8/147:41 pmBUF - FSD
1 stop5h 03mDelta
Deal found 7/28$596

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux Falls to Buffalo 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 juillet 29, 2025.
Use the filters below to find and compare flights from Sioux Falls to Buffalo that are best for you.

Fly from

Sioux Falls

Fly to

Buffalo

Route

Depart

Return

Price

Sioux FallsBuffalo

FSD - BUF

FSDBUF

Sioux Falls Joe Foss Field

mar. 9/16

6:00 am-11:06 am

1 stop4h 06m

Buffalo

mar. 9/23

11:46 am-6:04 pm

1 stop7h 18m

$259

Sioux FallsBuffalo

FSD - BUF

FSDBUF

Sioux Falls Joe Foss Field

mar. 9/16

2:08 pm-10:56 pm

1 stop7h 48m

Buffalo

lun. 9/22

5:54 pm-10:12 pm

1 stop5h 18m

$329

Sioux FallsBuffalo

FSD - BUF

FSDBUF

Sioux Falls Joe Foss Field

mer. 9/17

5:00 am-3:11 pm

2 stops9h 11m

Buffalo

mer. 9/24

6:15 am-1:51 pm

2 stops8h 36m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Sioux Falls to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Sioux Falls 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 Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated juillet 29, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Sioux Falls to Buffalo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
United Airlines
7.4
Good
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Related info for your journey

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

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

    Currently priced at $259, American Airlines will fly you from Sioux Falls to Buffalo and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $329 and $369, respectively. You may be able to fly from Sioux Falls to Buffalo for 37% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sioux Falls to Buffalo 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 Sioux Falls to Buffalo?

    Currently, January is the cheapest month in which you can book a flight from Sioux Falls to Buffalo (average of $256). Flying from Sioux Falls to Buffalo in December is currently the most expensive (average of $337). 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.

See more FAQs

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Orchard Park
Batavia
Williamsville
Eden
Amherst
West Seneca

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Top 2 airlines flying from Sioux Falls to Buffalo

Discover the top 2 airlines that operate flights from Sioux Falls to Buffalo. 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 juillet 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$456FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$377FlexibilityNo cancel feeOn-time71%

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