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Cheap flights from Sioux City to Knoxville from $428

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Sioux City to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:03 am - 5:03 pmSUX  Sioux City Sioux Gateway-TYS Knoxville McGhee Tyson
7h 00m1 stop Chicago O'Hare Intl
United Airlines Logo
4:25 pm - 11:42 pmTYS  Knoxville McGhee Tyson-SUX Sioux City Sioux Gateway
8h 17m1 stop Denver Intl
$428United Airlines
Tue, Jan 26 - Sat, Jan 30
United Airlines Logo
9:03 am - 10:14 pmSUX  Sioux City Sioux Gateway-TYS Knoxville McGhee Tyson
12h 11m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
4:25 pm - 11:42 pmTYS  Knoxville McGhee Tyson-SUX Sioux City Sioux Gateway
8h 17m1 stop Denver Intl
$438United Airlines
Tue, Jan 26 - Sat, Jan 30
United Airlines Logo
9:03 am - 10:14 pmSUX  Sioux City Sioux Gateway-TYS Knoxville McGhee Tyson
12h 11m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
4:25 pm - 11:42 pmTYS  Knoxville McGhee Tyson-SUX Sioux City Sioux Gateway
8h 17m1 stop Denver Intl
$442United Airlines
Tue, Jan 26 - Sat, Jan 30
United Airlines Logo
9:03 am - 10:14 pmSUX  Sioux City Sioux Gateway-TYS Knoxville McGhee Tyson
12h 11m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
7:00 am - 5:54 pmTYS  Knoxville McGhee Tyson-SUX Sioux City Sioux Gateway
11h 54m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$497United Airlines
Tue, Jan 26 - Sat, Jan 30
United Airlines Logo
9:03 am - 5:03 pmSUX  Sioux City Sioux Gateway-TYS Knoxville McGhee Tyson
7h 00m1 stop Chicago O'Hare Intl
United Airlines Logo
4:25 pm - 11:42 pmTYS  Knoxville McGhee Tyson-SUX Sioux City Sioux Gateway
8h 17m1 stop Denver Intl
$526United Airlines
Tue, Jan 26 - Sat, Jan 30
United Airlines Logo
9:03 am - 10:14 pmSUX  Sioux City Sioux Gateway-TYS Knoxville McGhee Tyson
12h 11m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
5:20 pm - 11:42 pmTYS  Knoxville McGhee Tyson-SUX Sioux City Sioux Gateway
31h 22m2 stops Houston George Bush Intcntl Denver Intl
$531United Airlines
Tue, Jan 26 - Sat, Jan 30
United Airlines Logo
6:58 pm - 10:14 pmSUX  Sioux City Sioux Gateway-TYS Knoxville McGhee Tyson
26h 16m1 stop Denver Intl
United Airlines Logo
5:05 pm - 11:43 pmTYS  Knoxville McGhee Tyson-SUX Sioux City Sioux Gateway
7h 38m1 stop Denver Intl
$593United Airlines
Wed, Oct 21 - Wed, Oct 28
United Airlines Logo
6:58 pm - 2:42 pmSUX  Sioux City Sioux Gateway-TYS Knoxville McGhee Tyson
18h 44m2 stops Denver Intl Washington, D.C. Dulles Intl
United Airlines Logo
5:05 pm - 11:43 pmTYS  Knoxville McGhee Tyson-SUX Sioux City Sioux Gateway
7h 38m1 stop Denver Intl
$603United Airlines
Wed, Oct 21 - Wed, Oct 28
United Airlines Logo
9:03 am - 11:45 amSUX  Sioux City Sioux Gateway-TYS Knoxville McGhee Tyson
25h 42m3 stops Chicago O'Hare Intl Washington, D.C. Reagan-National Newark
United Airlines Logo
7:00 am - 5:54 pmTYS  Knoxville McGhee Tyson-SUX Sioux City Sioux Gateway
11h 54m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$645United Airlines
Tue, Jan 26 - Sat, Jan 30
United Airlines Logo
9:03 am - 10:14 pmSUX  Sioux City Sioux Gateway-TYS Knoxville McGhee Tyson
12h 11m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
6:15 am - 5:54 pmTYS  Knoxville McGhee Tyson-SUX Sioux City Sioux Gateway
12h 39m3 stops Newark Washington, D.C. Reagan-National Chicago O'Hare Intl
$658United Airlines
Tue, Jan 26 - Sat, Jan 30

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United Airlines flights from Sioux City to Knoxville

Our best United Airlines deals on Sioux City to Knoxville flight tickets
United Airlines
Jan 26
SUX9:03 amSioux City Sioux Gateway
7h 00m
1 stop
TYS5:03 pmKnoxville McGhee Tyson
Jan 30
TYS4:25 pmKnoxville McGhee Tyson
8h 17m
1 stop
SUX11:42 pmSioux City Sioux Gateway
$428
United Airlines
Jan 26
SUX9:03 amSioux City Sioux Gateway
12h 11m
2 stops
TYS10:14 pmKnoxville McGhee Tyson
Jan 30
TYS4:25 pmKnoxville McGhee Tyson
8h 17m
1 stop
SUX11:42 pmSioux City Sioux Gateway
$438
United Airlines
Jan 26
SUX9:03 amSioux City Sioux Gateway
12h 11m
2 stops
TYS10:14 pmKnoxville McGhee Tyson
Jan 30
TYS4:25 pmKnoxville McGhee Tyson
8h 17m
1 stop
SUX11:42 pmSioux City Sioux Gateway
$442

momondo Fare Finder

 
Use the filters below to find and compare flights from Sioux City to Knoxville that are best for you.

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Price

Cheapest round-trip
Quickest round-trip

Sioux CityKnoxville

SUX Sioux City Sioux Gateway - TYS Knoxville McGhee Tyson

SUXTYS

Sioux City Sioux Gateway

Tue 1/26

9:03 am-5:03 pm

1 stop7h 00m

Knoxville McGhee Tyson

Sat 1/30

4:25 pm-11:42 pm

1 stop8h 17m

$428

Sioux CityKnoxville

SUX Sioux City Sioux Gateway - TYS Knoxville McGhee Tyson

SUXTYS

Sioux City Sioux Gateway

Tue 1/26

9:03 am-10:14 pm

2 stops12h 11m

Knoxville McGhee Tyson

Sat 1/30

4:25 pm-11:42 pm

1 stop8h 17m

$438

Sioux CityKnoxville

SUX Sioux City Sioux Gateway - TYS Knoxville McGhee Tyson

SUXTYS

Sioux City Sioux Gateway

Tue 1/26

9:03 am-10:14 pm

2 stops12h 11m

Knoxville McGhee Tyson

Sat 1/30

4:25 pm-11:42 pm

1 stop8h 17m

$442

Sioux CityKnoxville

SUX Sioux City Sioux Gateway - TYS Knoxville McGhee Tyson

SUXTYS

Sioux City Sioux Gateway

Tue 1/26

9:03 am-10:14 pm

2 stops12h 11m

Knoxville McGhee Tyson

Sat 1/30

7:00 am-5:54 pm

2 stops11h 54m

$497

Sioux CityKnoxville

SUX Sioux City Sioux Gateway - TYS Knoxville McGhee Tyson

SUXTYS

Sioux City Sioux Gateway

Tue 1/26

9:03 am-5:03 pm

1 stop7h 00m

Knoxville McGhee Tyson

Sat 1/30

4:25 pm-11:42 pm

1 stop8h 17m

$526

Sioux CityKnoxville

SUX Sioux City Sioux Gateway - TYS Knoxville McGhee Tyson

SUXTYS

Sioux City Sioux Gateway

Tue 1/26

9:03 am-10:14 pm

2 stops12h 11m

Knoxville McGhee Tyson

Sat 1/30

5:20 pm-11:42 pm

2 stops31h 22m

$531

Sioux CityKnoxville

SUX Sioux City Sioux Gateway - TYS Knoxville McGhee Tyson

SUXTYS

Sioux City Sioux Gateway

Wed 10/21

6:58 pm-10:14 pm

1 stop26h 16m

Knoxville McGhee Tyson

Wed 10/28

5:05 pm-11:43 pm

1 stop7h 38m

$593

Sioux CityKnoxville

SUX Sioux City Sioux Gateway - TYS Knoxville McGhee Tyson

SUXTYS

Sioux City Sioux Gateway

Wed 10/21

6:58 pm-2:42 pm

2 stops18h 44m

Knoxville McGhee Tyson

Wed 10/28

5:05 pm-11:43 pm

1 stop7h 38m

$603

Sioux CityKnoxville

SUX Sioux City Sioux Gateway - TYS Knoxville McGhee Tyson

SUXTYS

Sioux City Sioux Gateway

Tue 1/26

9:03 am-11:45 am

3 stops25h 42m

Knoxville McGhee Tyson

Sat 1/30

7:00 am-5:54 pm

2 stops11h 54m

$645

Sioux CityKnoxville

SUX Sioux City Sioux Gateway - TYS Knoxville McGhee Tyson

SUXTYS

Sioux City Sioux Gateway

Tue 1/26

9:03 am-10:14 pm

2 stops12h 11m

Knoxville McGhee Tyson

Sat 1/30

6:15 am-5:54 pm

3 stops12h 39m

$658

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Knoxville from

How to get the cheapest flight ticket from Sioux City to Knoxville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Knoxville?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Knoxville from Sioux City according to our data. Delta is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Knoxville. Keep in mind that there are 4 different airlines that fly to Knoxville on a routine basis, so you have a few additional options to choose from.

When to book flights from Sioux City to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from Sioux City to Knoxville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sioux City to Knoxville (SUX to TYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux City to Knoxville

Best Price Found

$428

Fastest flight time

7h 33m

Direct flights

None
The best flight deal from Sioux City to Knoxville found on momondo in the last 72 hours is $428
The fastest flight from Sioux City to Knoxville takes 7h 33m
There are no direct flights from Sioux City to Knoxville. There are no popular flight routes from Sioux City to Knoxville.
Search flight deals

Frequently asked questions about flying from Sioux City to Knoxville

  • How far is Sioux City Sioux Gateway to Knoxville McGhee Tyson by plane?

    The straight-line distance from Sioux City Sioux Gateway to Knoxville McGhee Tyson is 804.5 mi. 7h 33m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Sioux City Sioux Gateway Airport to Knoxville McGhee Tyson Airport?

    Prices for flights from Sioux City Sioux Gateway Airport to Knoxville McGhee Tyson Airport were last updated today.

  • How old do you have to be to fly from Sioux City Sioux Gateway Airport to Knoxville McGhee Tyson Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sioux City Sioux Gateway Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The travel and health documents required for your trip to Knoxville McGhee Tyson Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Knoxville McGhee Tyson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Alcoa
Corbin
Maryville
Crossville
Murphy
Oak Ridge
Kodak
Newport
Dandridge
Lenoir City
Clinton
Rockford
Jefferson City

Why use momondo?

Why should I use momondo to find a flight deal from Sioux City to Knoxville?

Finding the right flight to Knoxville from Sioux City is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knoxville quick and easy, saving you time and money.

Can I find flights from Sioux City to Knoxville with flexible booking policies on momondo?

momondo does allow users to show only those flights to Knoxville from Sioux City which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Sioux City to Knoxville?

momondo provides multiple filters to help you find the best flight to Knoxville from Sioux City. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Sioux City to Knoxville right now. Can momondo alert me if prices change?

Price alerts on flights to Knoxville from Sioux City are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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