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

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

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
$86 Roundtrip, found 4 hours ago
$86
Roundtrip
found 4 hours ago
Select Allegiant Air flight, departing Fri, Jan 8 from Nashville Intl. to Sioux Falls Regional, returning Mon, Jan 11, priced at $86 found 4 hours ago
Thu, Dec 3 - Fri, Dec 11
LAS
Harry Reid Intl.
FSD
Sioux Falls Regional
$94 Roundtrip, found 5 hours ago
$94
Roundtrip
found 5 hours ago
Select Allegiant Air flight, departing Thu, Dec 3 from Harry Reid Intl. to Sioux Falls Regional, returning Fri, Dec 11, priced at $94 found 5 hours ago
Fri, Dec 4 - Mon, Dec 7
PIE
St. Petersburg-Clearwater Intl.
FSD
Sioux Falls Regional
$98 Roundtrip, found 12 hours ago
$98
Roundtrip
found 12 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 $98 found 12 hours ago
Fri, Jan 15 - Sun, Jan 24
AZA
Phoenix - Mesa Gateway
FSD
Sioux Falls Regional
$100 Roundtrip, found 3 hours ago
$100
Roundtrip
found 3 hours ago
Select Allegiant Air flight, departing Fri, Jan 15 from Phoenix - Mesa Gateway to Sioux Falls Regional, returning Sun, Jan 24, priced at $100 found 3 hours ago
Fri, Dec 11 - Mon, Dec 14
FLL
Fort Lauderdale - Hollywood Intl.
FSD
Sioux Falls Regional
$102 Roundtrip, found 11 hours ago
$102
Roundtrip
found 11 hours ago
Select Allegiant Air flight, departing Fri, Dec 11 from Fort Lauderdale - Hollywood Intl. to Sioux Falls Regional, returning Mon, Dec 14, priced at $102 found 11 hours ago
Thu, Oct 29 - Sun, Nov 8
SFB
Orlando Sanford Intl.
FSD
Sioux Falls Regional
$126 Roundtrip, found 4 days ago
$126
Roundtrip
found 4 days ago
Select Allegiant Air flight, departing Thu, Oct 29 from Orlando Sanford Intl. to Sioux Falls Regional, returning Sun, Nov 8, priced at $126 found 4 days ago
Thu, Nov 5 - Sun, Nov 8
DEN
Denver Intl.
FSD
Sioux Falls Regional
$299 Roundtrip, found 4 hours ago
$299
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Nov 5 from Denver Intl. to Sioux Falls Regional, returning Sun, Nov 8, priced at $299 found 4 hours ago
Sat, Oct 24 - Tue, Oct 27
DEN
Denver Intl.
SUX
Sioux Gateway
$322 Roundtrip, found 5 days ago
$322
Roundtrip
found 5 days ago
Select United flight, departing Sat, Oct 24 from Denver Intl. to Sioux Gateway, returning Tue, Oct 27, priced at $322 found 5 days ago
OriginDestinationTravel DatesFlights From*
BNASioux FallsDecember 11 to December 14$80
DFWSioux CityNovember 4 to November 7$298
DENSioux FallsNovember 5 to November 8$299
ORDSioux FallsNovember 5 to November 7$299
DENSioux CityNovember 5 to November 8$328
LAXSioux CityNovember 11 to November 14$344
PDXSioux CityJanuary 22 to January 24$344
PDXSioux FallsDecember 9 to December 13$346
EWRSioux FallsJanuary 8 to January 16$349
IAHSioux FallsDecember 24 to December 31$349
LAXSioux FallsNovember 5 to November 8$365
ORDSioux CityOctober 26 to October 27$402
BNASioux CityNovember 20 to November 21$437
DFWSioux FallsNovember 14 to November 16$449
IAHSioux CityDecember 31 to January 2$741
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
BNASioux FallsOctober 16 to October 19$222
ORDSioux FallsOctober 16 to October 18$398
DENSioux FallsOctober 17 to October 19$398
LAXSioux FallsOctober 17 to October 21$432
IAHSioux FallsOctober 16 to October 20$476
PWMSioux FallsOctober 16 to October 18$515
IAHSioux CityOctober 16 to October 18$706
*Prices include taxes and fees

Travelers ❤️ These Knox County 🏨

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! (10 reviews)
"Everything was great!"

Reviewed on Sep 8, 2026

Opens in a new windowModern Lewis and Clark lake home with lake views and 3 min drive to the beach!
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
The Historic Argo Hotel

The Historic Argo Hotel

3 out of 5
211 Kansas St Crofton NE
Stay at this B&B in Crofton. Enjoy free breakfast, free WiFi, and free parking.
7/10 Good! (4 reviews)
"Overall it was a good experience. Interesting history and decor."

Reviewed on Oct 1, 2026

Opens in a new windowThe Historic Argo Hotel
Save an average of 15% on thousands of hotels when you're signed in
Sign in
Sign up, it's free
Spacious Lakeview Cabin Minutes from Private Beach

Spacious Lakeview Cabin Minutes from Private Beach

Crofton NE
Stay at this cabin in Crofton. Enjoy free WiFi, laundry facilities, and patios. Popular attractions Deep Water Recreation Area and Lewis and Clark Lake State Recreation Area are located nearby.
Opens in a new windowSpacious Lakeview Cabin Minutes from Private Beach
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 $741. 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.