$139 Cheap United flights from Knoxville to Sioux Falls (TYS to FSD)

Find The Best Day To Fly from Knoxville to Sioux Falls

Amazing United TYS to FSD Flight Deals

The cheapest flights to Sioux Falls Regional found within the past 7 days were $251 round trip and $139 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Sep 6 - Sat, Sep 13
TYS
Knoxville
FSD
Sioux Falls
$251 Roundtrip, found 1 day ago
$251
Roundtrip
found 1 day ago
Select United flight, departing Sat, Sep 6 from Knoxville to Sioux Falls, returning Sat, Sep 13, priced at $251 found 1 day ago
Sat, Sep 6 - Sat, Sep 13
TYS
Knoxville
FSD
Sioux Falls
$278 Roundtrip, found 1 day ago
$278
Roundtrip
found 1 day ago
Select United flight, departing Sat, Sep 6 from Knoxville to Sioux Falls, returning Sat, Sep 13, priced at $278 found 1 day ago
Sat, Sep 6 - Sat, Sep 13
TYS
Knoxville
FSD
Sioux Falls
$295 Roundtrip, found 1 day ago
$295
Roundtrip
found 1 day ago
Select United flight, departing Sat, Sep 6 from Knoxville to Sioux Falls, returning Sat, Sep 13, priced at $295 found 1 day ago
Sat, Sep 6 - Sat, Sep 13
TYS
Knoxville
FSD
Sioux Falls
$300 Roundtrip, found 1 day ago
$300
Roundtrip
found 1 day ago
Select United flight, departing Sat, Sep 6 from Knoxville to Sioux Falls, returning Sat, Sep 13, priced at $300 found 1 day ago

Frequently asked questions

Can I catch a flight from TYS to Sioux Falls Regional Airport (FSD) right now?
Make sure you visit the Covid-19 Travel Advisor to learn if there are any present travel advice reports or quarantine requirements in effect in Joe Foss Field when flying from TYS.
What terminal is United Airlines at Knoxville Airport?
Your boarding pass usually displays which terminal your United Airlines flight will be departing from at McGhee Tyson Airport (TYS). It might also be able to give you arrival details for Joe Foss Field. If not, you could always ask your airline before you fly.
Are there United Airlines non-stop flights from TYS to FSD?
You won't find any nonstop flights with United Airlines from Knoxville Airport to Joe Foss Field. You will have a stopover, so use the time to stretch your legs before boarding your connecting flight.
How long is a United Airlines flight from TYS to FSD?
Tailwinds, headwinds, bad weather ... They're just a few factors that can influence how long you spend buckled up in your seat. However, a trip from McGhee Tyson Airport (TYS) to FSD with United Airlines takes roughly 3 hours and 51 minutes, so you'll have landed and be in vacation mode in the blink of an eye.
How many direct and indirect flights does United Airlines fly from TYS to FSD?
You can take your pick of around 3 flights every day with United Airlines from Knoxville Airport to Sioux Falls Regional Airport (FSD).
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to FSD, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.
United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

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Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.