$295+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — BUF
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Sioux Falls to Buffalo 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 Sioux Falls to Buffalo
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Best
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Cheapest flights from Sioux Falls to BuffaloExplore 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 September 10, 2026.
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 September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/8. 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 11/123:29 pm -
1 stop5h 08m
Mon 11/166:46 pm -
1 stop6h 43m
Deal found 9/8![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/247:50 am -
1 stop4h 21m
Wed 10/285:58 pm -
1 stop4h 39m
Deal found 9/9![United Airlines logo]()
$401
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/236:00 am -
1 stop8h 57m
Sun 9/277:00 am -
1 stop6h 16m
Deal found 9/8![American Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/1512:53 pm -
1 stop9h 01m
Mon 10/195:50 pm -
1 stop7h 51m
Deal found 9/9![American Airlines logo]()
$473
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/2212:53 pm -
1 stop9h 01m
Mon 10/265:57 pm -
2 stops7h 44m
Deal found 9/9![American Airlines logo]()
$546
Best flights from Sioux Falls to BuffaloDiscover carefully curated flight deals from Sioux Falls to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Sioux Falls to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/8. 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 11/123:29 pm -
1 stop5h 08m
Mon 11/166:46 pm -
1 stop6h 43m
Deal found 9/8![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/247:50 am -
1 stop4h 21m
Wed 10/285:58 pm -
1 stop4h 39m
Deal found 9/9![United Airlines logo]()
$401
Last-minute flights from Sioux Falls to BuffaloDiscover last-minute flight deals from Sioux Falls to Buffalo. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Sioux Falls to Buffalo. Data last updated September 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/236:00 am -
1 stop8h 57m
Sun 9/277:00 am -
1 stop6h 16m
Deal found 9/8![American Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/251:46 pm -
1 stop7h 57m
Tue 9/295:45 pm -
1 stop6h 26m
Deal found 9/10![United Airlines logo]()
$576
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/1512:53 pm -
1 stop9h 01m
Mon 10/195:50 pm -
1 stop7h 51m
Deal found 9/9![American Airlines logo]()
$473
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/2212:53 pm -
1 stop9h 01m
Mon 10/265:57 pm -
2 stops7h 44m
Deal found 9/9![American Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/247:50 am -
1 stop4h 21m
Wed 10/285:58 pm -
1 stop4h 39m
Deal found 9/9![United Airlines logo]()
$401
One-way flights from Sioux Falls to BuffaloSearch for one-way flight options from Sioux Falls to Buffalo. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Sioux Falls to Buffalo. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:52 pm -
2 stops43h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$295
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/312:56 pm -
1 stop9h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 9/9. 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 10/31:05 pm -
2 stops9h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$314
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 10/88:30 am -
2 stops8h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:28 pm -
3 stops47h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/251:46 pm -
1 stop7h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/912:53 pm -
1 stop9h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:45 am -
2 stops24h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:28 pm -
3 stops23h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$510
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:58 pm -
3 stops47h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$512
Find 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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (American Airlines) |
One-way from | $295 (Kiwi.com) |
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 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from Sioux Falls to Buffalo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Sioux FallsBuffalo
FSD Sioux Falls Joe Foss Field - BUF Buffalo
FSDBUF
Sioux Falls Joe Foss Field
Fri 9/25
8:52 pm-5:45 pm
2 stops43h 53m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$295
Sioux FallsBuffalo
FSD Sioux Falls Joe Foss Field - BUF Buffalo
FSDBUF
Sioux Falls Joe Foss Field
Sat 10/3
12:56 pm-10:59 pm
1 stop9h 03m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$309
Sioux FallsBuffalo
FSD Sioux Falls Joe Foss Field - BUF Buffalo
FSDBUF
Sioux Falls Joe Foss Field
Sat 10/3
1:05 pm-11:52 pm
2 stops9h 47m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$314
Sioux FallsBuffalo
FSD Sioux Falls Joe Foss Field - BUF Buffalo
FSDBUF
Sioux Falls Joe Foss Field
Thu 11/12
3:29 pm-9:37 pm
1 stop5h 08m
Buffalo
Mon 11/16
6:46 pm-12:29 am
1 stop6h 43m
$329
Sioux FallsBuffalo
FSD Sioux Falls Joe Foss Field - BUF Buffalo
FSDBUF
Sioux Falls Joe Foss Field
Thu 10/8
8:30 am-5:49 pm
2 stops8h 19m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$368
Quickest round-trip
Sioux FallsBuffalo
FSD Sioux Falls Joe Foss Field - BUF Buffalo
FSDBUF
Sioux Falls Joe Foss Field
Fri 9/25
1:46 pm-10:43 pm
1 stop7h 57m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$394
Sioux FallsBuffalo
FSD Sioux Falls Joe Foss Field - BUF Buffalo
FSDBUF
Sioux Falls Joe Foss Field
Sat 10/24
7:50 am-1:11 pm
1 stop4h 21m
Buffalo
Wed 10/28
5:58 pm-9:37 pm
1 stop4h 39m
$401
Sioux FallsBuffalo
FSD Sioux Falls Joe Foss Field - BUF Buffalo
FSDBUF
Sioux Falls Joe Foss Field
Fri 10/9
12:53 pm-10:54 pm
1 stop9h 01m
Buffalo
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$420
Sorted by cheapest first
Compare providers for flights from Sioux Falls to Buffalo
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 Sioux Falls to Buffalo in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Sioux Falls-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Buffalo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sioux Falls-Buffalo 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 Sioux Falls-Buffalo 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 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.
FSD-BUF
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.
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.
Traveling to a place near Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsCheektowaga
Lockport
Amherst
Williamsville
Orchard Park
Eden
Bowmansville
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