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
$86 Roundtrip, found 7 hours ago
$86
Roundtrip
found 7 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 7 hours ago
Thu, Dec 3 - Fri, Dec 11
LAS
Harry Reid Intl.
FSD
Sioux Falls Regional
$94 Roundtrip, found 8 hours ago
$94
Roundtrip
found 8 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 8 hours ago
Fri, Dec 4 - Mon, Dec 7
PIE
St. Petersburg-Clearwater Intl.
FSD
Sioux Falls Regional
$98 Roundtrip, found 15 hours ago
$98
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 $98 found 15 hours ago
Fri, Jan 15 - Sun, Jan 24
AZA
Phoenix - Mesa Gateway
FSD
Sioux Falls Regional
$100 Roundtrip, found 6 hours ago
$100
Roundtrip
found 6 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 6 hours ago
Mon, Mar 1 - Mon, Mar 22
MSP
Minneapolis - St. Paul Intl.
FSD
Sioux Falls Regional
$219 Roundtrip, found 15 hours ago
$219
Roundtrip
found 15 hours ago
Select Delta flight, departing Mon, Mar 1 from Minneapolis - St. Paul Intl. to Sioux Falls Regional, returning Mon, Mar 22, priced at $219 found 15 hours ago
Thu, Nov 5 - Mon, Nov 9
CLE
Hopkins Intl.
FSD
Sioux Falls Regional
$316 Roundtrip, found 1 day ago
$316
Roundtrip
found 1 day ago
Select United flight, departing Thu, Nov 5 from Hopkins Intl. to Sioux Falls Regional, returning Mon, Nov 9, priced at $316 found 1 day ago
Wed, Nov 4 - Thu, Nov 5
CLE
Hopkins Intl.
SUX
Sioux Gateway
$330 Roundtrip, found 15 hours ago
$330
Roundtrip
found 15 hours ago
Select United flight, departing Wed, Nov 4 from Hopkins Intl. to Sioux Gateway, returning Thu, Nov 5, priced at $330 found 15 hours ago
Thu, Jun 10 - Sat, Jun 19
SAT
San Antonio Intl.
FSD
Sioux Falls Regional
$341 Roundtrip, found 2 days ago
$341
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Jun 10 from San Antonio Intl. to Sioux Falls Regional, returning Sat, Jun 19, priced at $341 found 2 days ago
Tue, Mar 16 - Tue, Mar 30
EWR
Newark Liberty Intl. Airport
FSD
Sioux Falls Regional
$349 Roundtrip, found 13 hours ago
$349
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Tue, Mar 16 from Newark Liberty Intl. Airport to Sioux Falls Regional, returning Tue, Mar 30, priced at $349 found 13 hours ago
Wed, Nov 4 - Sat, Nov 7
IAH
George Bush Intercontinental
FSD
Sioux Falls Regional
$355 Roundtrip, found 3 days ago
$355
Roundtrip
found 3 days ago
Select United flight, departing Wed, Nov 4 from George Bush Intercontinental to Sioux Falls Regional, returning Sat, Nov 7, priced at $355 found 3 days ago
Sun, Nov 1 - Sat, Nov 7
BOI
Boise
FSD
Sioux Falls Regional
$355 Roundtrip, found 15 hours ago
$355
Roundtrip
found 15 hours ago
Select United flight, departing Sun, Nov 1 from Boise to Sioux Falls Regional, returning Sat, Nov 7, priced at $355 found 15 hours ago
OriginDestinationTravel DatesFlights From*
BNASioux FallsDecember 11 to December 14$80
DFWSioux CityNovember 4 to November 7$298
ORDSioux FallsNovember 5 to November 7$299
DENSioux FallsNovember 5 to November 8$299
DENSioux CityNovember 5 to November 8$328
PDXSioux CityJanuary 22 to January 24$344
LAXSioux CityNovember 11 to November 14$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
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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.