Cheap Flights to Knox County from $50 (2026/2027)

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How Much Does it Cost To Fly To Knox County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Fri, Jan 8 - Mon, Jan 11
BNA
Nashville Intl.
FSD
Sioux Falls Regional
$80 Roundtrip, found 13 hours ago
$80
Roundtrip
found 13 hours ago
Select Allegiant Air flight, departing Fri, Jan 8 from Nashville Intl. to Sioux Falls Regional, returning Mon, Jan 11, priced at $80 found 13 hours ago
Thu, Dec 3 - Sat, Dec 12
LAS
Harry Reid Intl.
FSD
Sioux Falls Regional
$94 Roundtrip, found 1 day ago
$94
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Thu, Dec 3 from Harry Reid Intl. to Sioux Falls Regional, returning Sat, Dec 12, priced at $94 found 1 day ago
Fri, Jan 22 - Mon, Jan 25
AZA
Phoenix - Mesa Gateway
FSD
Sioux Falls Regional
$100 Roundtrip, found 2 days ago
$100
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Fri, Jan 22 from Phoenix - Mesa Gateway to Sioux Falls Regional, returning Mon, Jan 25, priced at $100 found 2 days ago
Fri, Dec 4 - Mon, Dec 7
PIE
St. Petersburg-Clearwater Intl.
FSD
Sioux Falls Regional
$107 Roundtrip, found 15 hours ago
$107
Roundtrip
found 15 hours ago
Select Allegiant Air flight, departing Fri, Dec 4 from St. Petersburg-Clearwater Intl. to Sioux Falls Regional, returning Mon, Dec 7, priced at $107 found 15 hours ago
Sun, Oct 11 - Thu, Oct 15
SFB
Orlando Sanford Intl.
FSD
Sioux Falls Regional
$126 Roundtrip, found 10 hours ago
$126
Roundtrip
found 10 hours ago
Select Allegiant Air flight, departing Sun, Oct 11 from Orlando Sanford Intl. to Sioux Falls Regional, returning Thu, Oct 15, priced at $126 found 10 hours ago
Fri, Sep 18 - Mon, Sep 21
DEN
Denver Intl.
FSD
Sioux Falls Regional
$170 Roundtrip, found 2 days ago
$170
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Sep 18 from Denver Intl. to Sioux Falls Regional, returning Mon, Sep 21, priced at $170 found 2 days ago
Thu, Jan 7 - Sun, Jan 10
DEN
Denver Intl.
SUX
Sioux Gateway
$234 Roundtrip, found 1 day ago
$234
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 7 from Denver Intl. to Sioux Gateway, returning Sun, Jan 10, priced at $234 found 1 day ago
Fri, Oct 2 - Fri, Oct 2
LAX
Los Angeles Intl.
FSD
Sioux Falls Regional
$244 Roundtrip, found 5 days ago
$244
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Oct 2 from Los Angeles Intl. to Sioux Falls Regional, returning Fri, Oct 2, priced at $244 found 5 days ago
Wed, Nov 18 - Sun, Nov 22
SBN
South Bend Intl.
FSD
Sioux Falls Regional
$319 Roundtrip, found 2 hours ago
$319
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Nov 18 from South Bend Intl. to Sioux Falls Regional, returning Sun, Nov 22, priced at $319 found 2 hours ago
OriginDestinationTravel DatesFlights From*
DENSioux FallsSeptember 18 to September 21$170
LAXSioux FallsOctober 2 to October 2$244
ORDSioux FallsOctober 9 to October 13$259
LGASioux CityOctober 28 to November 4$262
DFWSioux CitySeptember 30 to October 11$297
PDXSioux FallsOctober 24 to November 7$305
IAHSioux CitySeptember 19 to September 21$308
PWMSioux FallsOctober 6 to October 10$341
ORDSioux CitySeptember 15 to September 17$362
DFWSioux FallsSeptember 12 to September 15$390
BUFSioux FallsSeptember 30 to October 4$415
PDXSioux CitySeptember 15 to September 22$452
DENSioux CitySeptember 19 to September 21$474
HOUSioux FallsSeptember 11 to September 13$502
PWMSioux CityOctober 26 to October 30$621
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
BNASioux FallsAugust 28 to August 31$218
DENSioux FallsAugust 28 to August 31$373
LAXSioux FallsAugust 29 to September 4$406
ORDSioux FallsAugust 29 to September 1$409
PDXSioux FallsAugust 28 to September 4$617
*Prices include taxes and fees

Travelers ❤️ These Knox County 🏨

Fully furnished lake house with cozy spaces, full kitchen, and lake views.

Fully furnished lake house with cozy spaces, full kitchen, and lake views.

Crofton NE
Stay at this vacation home in Crofton. Enjoy laundry facilities, patios, and air conditioning. Popular attractions Deep Water Recreation Area and Hideaway Acres State Recreation Area are located nearby.
10/10 Exceptional! (5 reviews)
"Very accommodating."

Reviewed on Aug 10, 2026

Opens in a new windowFully furnished lake house with cozy spaces, full kitchen, and lake views.
Cozy cabin near Lewis and Clark Lake and CJ’s at the Lake

Cozy cabin near Lewis and Clark Lake and CJ’s at the Lake

Crofton NE
Stay at this cabin in Crofton. Enjoy air conditioning. Popular attractions Deep Water Recreation Area and Lewis and Clark Lake State Recreation Area are located nearby.
10/10 Exceptional! (5 reviews)
"Checked all the boxes for what we needed for this stay, thanks Tony !"

Reviewed on Aug 2, 2026

Opens in a new windowCozy cabin near Lewis and Clark Lake and CJ’s at the Lake
Modern Lewis and Clark lake home with lake views and 3 min drive to the beach!

Modern Lewis and Clark lake home with lake views and 3 min drive to the beach!

Crofton NE
Stay at this vacation home in Crofton. Enjoy a garden, laundry facilities, and patios. Popular attractions Hideaway Acres State Recreation Area and Deep Water Recreation Area are located nearby.
10/10 Exceptional! (9 reviews)
"Very clean and good space for big groups!"

Reviewed on Jul 19, 2026

Opens in a new windowModern Lewis and Clark lake home with lake views and 3 min drive to the beach!
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Newly Remodeled Creekside Bungalow on 3 acres with private Beach/Creek access

Newly Remodeled Creekside Bungalow on 3 acres with private Beach/Creek access

Verdigre NE
Stay at this vacation home in Verdigre. Enjoy free WiFi, an in-room coffeemaker, and air conditioning.
Opens in a new window Newly Remodeled Creekside Bungalow on 3 acres with private Beach/Creek access
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.

Frequently asked questions

How much is the cheapest flight to Knox County?
During the last seven days, the cheapest roundtrip flight to Knox County cost $80 on this site. Take a look at our fabulous deals, make your booking and start planning for your next travel experience. This price was available on Travelocity for flights to Knox County departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly to Knox County?
If you've been dreaming of a break in Knox County, January is the cheapest period to take to the skies. This is based on Travelocity's direct return flight demand from January to December last year. Choose your preferred dates and lock in your seat today.
How can I check my flight status to Knox County?
"Trips" has your back when it comes to the details of your flight to Knox County. Our customer portal lets you organize everything in the one place, from checking the status of your flight to making updates to your booking. Click on Trips at the top right of the Travelocity homepage and then sign in. Alternatively, download the Travelocity app and access your itinerary while you're on the go. Whether you've got the family flying with you or you're a lone adventurer, all your bookings are right at your fingertips.
How do I find the best deals on flights to Knox County?
Try these tricks — book well in advance, avoid peak season and be flexible with your dates. If you don't have a specific date in mind, search for your flight to Knox County on Travelocity and hit "Flexible dates" at the top of the page. This will help you locate any cheaper fares on surrounding days. $80 was the most affordable price for a roundtrip flight to Knox County in the last seven days. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to Knox County with Travelocity?
An awesome vacation is only a click or two away when you make a reservation with Travelocity. With a wide range of choices and competitive deals on cheap family flights, hotels, rental cars and more, we make it simple to find the best prices for you. You can also make use of our 24/7 customer assistance and free cancellation policies on most hotels during your trip. Wander wisely with us and score your cheap flights to Knox County today.
What are the most popular flight routes to Knox County?
Browse through these leading flight routes to Knox County and start organizing your next vacation:

  • Minneapolis, MN (MSP-Minneapolis - St. Paul Intl.) to Eppley Field Airport (OMA) - 1,131 flights a month.
  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Eppley Field Airport (OMA) - 1,053 flights a month.
  • Chicago, IL (ORD-O'Hare Intl.) to Eppley Field Airport (OMA) - 975 flights a month.

How much is a flight to Knox County on average?
Get your next vacation off to a great start by grabbing a fabulous deal with Travelocity. In the last seven days, roundtrip flights to Knox County cost between $80 and $621. Take a look at our site and secure an airfare that suits your budget. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How long is the average flight to Knox County?
Check out these favorite routes to get an idea on how long you'll be in your seat during a direct flight to Knox County:

  • Minneapolis, MN (MSP-Minneapolis - St. Paul Intl.) to Eppley Field Airport (OMA) - 1 hour and 13 minutes
  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Eppley Field Airport (OMA) - 2 hours and 14 minutes
  • Chicago, IL (ORD-O'Hare Intl.) to Eppley Field Airport (OMA) - 1 hour and 38 minutes

What can I expect on a flight to Knox County?
That depends an on a few factors. Is your flight to Knox County an hour long or many hours long? Have you booked with a full-service airline or a low-cost option? These things will impact your experience on board. When it comes to long distance flights, almost all airlines include drinks, warm meals and entertainment. Low-cost carriers are a terrific option when it comes to cheap flights for family vacations or if your journey is a quick one. But, they often won't have the same inclusions as a full-service carrier.