$321+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — FSD
Sep 24 — Oct 11
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Buffalo to Sioux Falls with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Buffalo to Sioux Falls
Cheapest
Best
Last-minute
Cheapest flights from Buffalo to Sioux FallsExplore 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 25, 2026.
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 25, 2026.
This American Airlines deal was found by Cheapflights users on 8/20. 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 12/128:00 am -
1 stop4h 38m
Wed 12/1612:14 pm -
1 stop4h 51m
Deal found 8/20![American Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Wed 10/285:49 pm -
1 stop7h 52m
Sun 11/13:26 pm -
1 stop5h 14m
Deal found 8/21![American Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 8/21. 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 10/108:00 am -
1 stop7h 18m
Tue 10/1312:07 pm -
2 stops10h 52m
Deal found 8/21![American Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 8/25. 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.
Wed 10/283:53 pm -
2 stops8h 29m
Sun 11/11:00 pm -
2 stops8h 38m
Deal found 8/25![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Sat 9/55:58 pm -
1 stop6h 24m
Wed 9/93:05 pm -
1 stop5h 02m
Deal found 8/21![United Airlines logo]()
$430
Best flights from Buffalo to Sioux FallsDiscover carefully curated flight deals from Buffalo to Sioux Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
Discover carefully curated flight deals from Buffalo to Sioux Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
This American Airlines deal was found by Cheapflights users on 8/20. 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 12/128:00 am -
1 stop4h 38m
Wed 12/1612:14 pm -
1 stop4h 51m
Deal found 8/20![American Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Wed 10/285:57 pm -
2 stops7h 44m
Sun 11/13:26 pm -
1 stop5h 14m
Deal found 8/21![American Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 8/21. 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 10/107:00 am -
2 stops8h 18m
Tue 10/132:48 pm -
2 stops8h 11m
Deal found 8/21![American Airlines logo]()
$331
Last-minute flights from Buffalo to Sioux FallsDiscover last-minute flight deals from Buffalo to Sioux Falls. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Sioux Falls. Data last updated August 25, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/24. 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 8/287:00 am -
1 stop6h 17m
Sun 8/3012:57 pm -
1 stop9h 04m
Deal found 8/24![American Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Fri 8/286:12 am -
3 stops18h 10m
Sun 8/306:00 am -
2 stops9h 56m
Deal found 8/24![United Airlines logo]()
$914
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Sat 9/55:58 pm -
1 stop6h 24m
Wed 9/93:05 pm -
1 stop5h 02m
Deal found 8/21![United Airlines logo]()
$430
Find 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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $321 (American Airlines) |
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 7,457,451 searches. Data last updated August 25, 2026.
Use the filters below to find and compare flights from Buffalo to Sioux Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BuffaloSioux Falls
BUF Buffalo - FSD Sioux Falls Joe Foss Field
BUFFSD
Buffalo
Sat 12/12
8:00 am-11:38 am
1 stop4h 38m
Sioux Falls Joe Foss Field
Wed 12/16
12:14 pm-6:05 pm
1 stop4h 51m
$321
BuffaloSioux Falls
BUF Buffalo - FSD Sioux Falls Joe Foss Field
BUFFSD
Buffalo
Wed 10/28
5:57 pm-12:41 am
2 stops7h 44m
Sioux Falls Joe Foss Field
Sun 11/1
3:26 pm-9:40 pm
1 stop5h 14m
$330
BuffaloSioux Falls
BUF Buffalo - FSD Sioux Falls Joe Foss Field
BUFFSD
Buffalo
Sat 10/10
7:00 am-2:18 pm
2 stops8h 18m
Sioux Falls Joe Foss Field
Tue 10/13
2:48 pm-11:59 pm
2 stops8h 11m
$331
Sorted by cheapest first
Compare providers for flights from Buffalo to Sioux Falls
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Sioux Falls in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Buffalo-Sioux Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Sioux Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Sioux Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buffalo-Sioux Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Sioux Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
BUF-FSD
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 25, 2026.
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.
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Food
6.7
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Food
6.7
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Food
6.7
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
Traveling to a place near Sioux Falls?
Book flights to Sioux Falls if you plan to visit one of these locationsMarshall
Yankton
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Buffalo
Popular flights
Sioux Falls flight routes
Alternative routes for Buffalo to Sioux Falls
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Sioux Falls by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Buffalo to Sioux Falls by cabin class
Find flights from Buffalo to Sioux Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buffalo and Sioux Falls flights
Browse other Buffalo and Sioux Falls flight options. Last updated on August 25, 2026.
Other flights from Buffalo
Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on August 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Sioux Falls
Explore flights to Sioux Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 25, 2026.
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 7,457,451 searches. Data last updated August 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$333 | Average$433 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$388 | Average$476 | FlexibilityNo cancel fee | On-time71% |