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Cheap flights from Sioux City to Knoxville (SUX - TYS) from $719

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 5/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SUX — TYS
May 1 — May 81
From?
To?
Wed 5/1
Wed 5/8
1 adult, Economy
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When is the cheapest time to fly from Sioux City to Knoxville (SUX - TYS)?

When flying from Sioux City to Knoxville, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap United Airlines flights from Sioux City to Knoxville

Explore cheap flight options specifically provided by United Airlines for the route between Sioux City and Knoxville. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
Fri 5/246:54 pmSUX - TYS
1 stop26h 36mUnited Airlines
Mon 5/277:00 amTYS - SUX
1 stop16h 53mUnited Airlines
Deal found 4/25$719
Fri 5/246:54 pmSUX - TYS
1 stop26h 36mUnited Airlines
Mon 5/275:50 amTYS - SUX
2 stops18h 03mUnited Airlines
Deal found 4/25$729
Fri 5/246:54 pmSUX - TYS
2 stops27h 34mUnited Airlines
Mon 5/275:50 amTYS - SUX
2 stops18h 03mUnited Airlines
Deal found 4/25$769

Cheap Sioux City to Knoxville flights in April & May 2024

Find cheap flight options from Sioux City to Knoxville specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Prices were last updated on April 26, 2024.
Fri 5/246:54 pmSUX - TYS
1 stop26h 36mUnited Airlines
Mon 5/277:00 amTYS - SUX
1 stop16h 53mUnited Airlines
Deal found 4/25$719
Fri 5/246:54 pmSUX - TYS
1 stop26h 36mUnited Airlines
Mon 5/275:50 amTYS - SUX
2 stops18h 03mUnited Airlines
Deal found 4/25$729
Fri 5/246:54 pmSUX - TYS
2 stops27h 34mUnited Airlines
Mon 5/275:50 amTYS - SUX
2 stops18h 03mUnited Airlines
Deal found 4/25$769

Sioux City to Knoxville 2024 flight deals

Discover exclusive flight deals for travel between Sioux City and Knoxville in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
Fri 5/246:54 pmSUX - TYS
1 stop26h 36mUnited Airlines
Mon 5/277:00 amTYS - SUX
1 stop16h 53mUnited Airlines
Deal found 4/25$719
Fri 5/246:54 pmSUX - TYS
1 stop26h 36mUnited Airlines
Mon 5/275:50 amTYS - SUX
2 stops18h 03mUnited Airlines
Deal found 4/25$729
Fri 5/246:54 pmSUX - TYS
2 stops27h 34mUnited Airlines
Mon 5/275:50 amTYS - SUX
2 stops18h 03mUnited Airlines
Deal found 4/25$769

Find flights from Sioux City to Knoxville within your budget

Customize your flight search to find flights from Sioux City to Knoxville 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 3,068,117 searches. Data last updated April 26, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$719 - $769

Route

Depart

Return

Price

Sioux City Sioux GatewayKnoxville McGhee Tyson

SUX - TYS

SUXTYS

Sioux City Sioux Gateway

Fri 5/24

1 stop26h 36m

Knoxville McGhee Tyson

Mon 5/27

1 stop16h 53m

$719

Sioux City Sioux GatewayKnoxville McGhee Tyson

SUX - TYS

SUXTYS

Sioux City Sioux Gateway

Fri 5/24

1 stop26h 36m

Knoxville McGhee Tyson

Mon 5/27

2 stops18h 03m

$729

Sioux City Sioux GatewayKnoxville McGhee Tyson

SUX - TYS

SUXTYS

Sioux City Sioux Gateway

Fri 5/24

2 stops27h 34m

Knoxville McGhee Tyson

Mon 5/27

2 stops18h 03m

$769

Flights are sorted by cheapest first

Deals found on 4/25

When is the cheapest time to fly from Sioux City to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from Sioux City to Knoxville. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Sioux City to Knoxville flight should consider departing on Tuesday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated April 26, 2024.
United Airlines
7.4
Good
11,226 reviews
Check prices

Overall

7.4

Comfort

7.2

Food

6.7

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 10

There were a lot of delays. Not sure if they could be helped, but it made me super nervous about catching my already tight connection. The connection was held for me, but I had to really hurry to make it.

United Airlines
7.4
Good
11,226 reviews
United Airlines
7.4
Good
11,226 reviews
Check prices

Overall

7.4

Comfort

7.2

Food

6.7

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 10

There were a lot of delays. Not sure if they could be helped, but it made me super nervous about catching my already tight connection. The connection was held for me, but I had to really hurry to make it.

Related info for your journey

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

  • Can I find flights from Sioux City to Knoxville for under $800 on Cheapflights?

    Yes, there are multiple flights from Sioux City to Knoxville for under $800. The cheapest flight booked recently is on United Airlines for just $719, but on average you can expect to pay $739.

  • What does SUX to TYS mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Sioux City Sioux Gateway Airport to Knoxville McGhee Tyson Airport flight would often be abbreviated as a SUX to TYS flight.

  • Can I find deals for flights from Sioux City to Knoxville that include extra baggage allowance?

    The amount of baggage you can bring on your Sioux City to Knoxville flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Sioux City to Knoxville with specific airlines?

    Yes, Cheapflights allows you to browse and filter Sioux City to Knoxville flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Sioux City to Knoxville that include hotel bookings?

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

  • How can I find direct flights from Sioux City to Knoxville?

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

  • Can I find deals for business class flights from Sioux City to Knoxville?

    Yes. Cheapflights offers flight deals from Sioux City to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Sioux City to Knoxville that allow pets onboard?

    Many airlines flying from Sioux City to Knoxville offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Sioux City to Knoxville?

    Yes, you can often find last-minute deals on Sioux City to Knoxville flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Sioux City to Knoxville flight deals updated?

    The Sioux City to Knoxville flight deals you see on this page were last updated on 4/25.

See more FAQs

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Top airline flying from Sioux City to Knoxville

Discover the top airline that operate flights from Sioux City to Knoxville. 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 3,068,117 searches. Data last updated April 26, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$334Average$559FlexibilityNo cancel feeOn-time69%
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Search flights from Sioux City to Knoxville by cabin class

Find flights from Sioux City to Knoxville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sioux City to Knoxville?

Deals for Sioux City to Knoxville flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Sioux City to Knoxville?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Knoxville from Sioux City.

Can Cheapflights find flights from Sioux City to Knoxville with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sioux City to Knoxville, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Sioux City to Knoxville become cheaper?

Yes! Start tracking prices for Sioux City to Knoxville flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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