Cheap Flights to Knox County from $94 (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.

Wed, Jun 17 - Wed, Jun 24
DEN
Denver Intl.
FSD
Sioux Falls Regional
$193 Roundtrip, found 6 days ago
$193
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Jun 17 from Denver Intl. to Sioux Falls Regional, returning Wed, Jun 24, priced at $193 found 6 days ago
Sun, Aug 30 - Wed, Sep 2
PHX
Sky Harbor Intl.
FSD
Sioux Falls Regional
$210 Roundtrip, found 5 days ago
$210
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sun, Aug 30 from Sky Harbor Intl. to Sioux Falls Regional, returning Wed, Sep 2, priced at $210 found 5 days ago
Mon, Jul 6 - Wed, Jul 15
ATL
Hartsfield-Jackson Atlanta Intl.
FSD
Sioux Falls Regional
$225 Roundtrip, found 6 days ago
$225
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Mon, Jul 6 from Hartsfield-Jackson Atlanta Intl. to Sioux Falls Regional, returning Wed, Jul 15, priced at $225 found 6 days ago
Mon, Jun 8 - Mon, Jun 15
LAS
Harry Reid Intl.
FSD
Sioux Falls Regional
$229 Roundtrip, found 5 days ago
$229
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Mon, Jun 8 from Harry Reid Intl. to Sioux Falls Regional, returning Mon, Jun 15, priced at $229 found 5 days ago
Wed, Jul 22 - Wed, Jul 29
SAN
San Diego Intl.
FSD
Sioux Falls Regional
$230 Roundtrip, found 5 days ago
$230
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Jul 22 from San Diego Intl. to Sioux Falls Regional, returning Wed, Jul 29, priced at $230 found 5 days ago
Wed, Aug 26 - Wed, Sep 2
LAX
Los Angeles Intl.
FSD
Sioux Falls Regional
$230 Roundtrip, found 6 days ago
$230
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Aug 26 from Los Angeles Intl. to Sioux Falls Regional, returning Wed, Sep 2, priced at $230 found 6 days ago
Sat, Sep 12 - Sun, Sep 13
DEN
Denver Intl.
SUX
Sioux Gateway
$234 Roundtrip, found 6 days ago
$234
Roundtrip
found 6 days ago
Select United flight, departing Sat, Sep 12 from Denver Intl. to Sioux Gateway, returning Sun, Sep 13, priced at $234 found 6 days ago
Wed, Aug 26 - Mon, Aug 31
ONT
Ontario Intl. Airport
FSD
Sioux Falls Regional
$244 Roundtrip, found 6 days ago
$244
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Aug 26 from Ontario Intl. Airport to Sioux Falls Regional, returning Mon, Aug 31, priced at $244 found 6 days ago
Tue, Aug 11 - Tue, Aug 18
ORD
O'Hare Intl.
FSD
Sioux Falls Regional
$249 Roundtrip, found 18 hours ago
$249
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Tue, Aug 11 from O'Hare Intl. to Sioux Falls Regional, returning Tue, Aug 18, priced at $249 found 18 hours ago
OriginDestinationTravel DatesFlights From*
DENSioux FallsJune 10 to June 17$193
LAXSioux FallsAugust 26 to September 2$230
DENSioux CityJuly 18 to July 19$234
ORDSioux FallsJuly 18 to July 21$249
DFWSioux FallsJuly 10 to July 15$290
DFWSioux CityAugust 14 to August 17$294
IAHSioux CityJune 10 to June 14$301
IAHSioux FallsJuly 31 to August 9$319
BNASioux FallsJune 20 to June 27$327
PDXSioux FallsJuly 31 to August 3$329
LGASioux FallsJuly 29 to August 4$344
BUFSioux FallsJune 10 to June 14$379
LAXSioux CityJuly 30 to August 23$447
ORDSioux CityJune 9 to June 13$551
LGASioux CityJune 12 to June 14$699
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ORDSioux FallsMay 31 to June 7$339
DFWSioux CityMay 29 to May 31$393
DENSioux CityMay 29 to May 30$430
DFWSioux FallsMay 29 to May 31$437
PDXSioux FallsMay 29 to June 3$583
LGASioux FallsMay 31 to June 2$811
*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! (4 reviews)
"Beautiful home plenty, of space, lots of refrigerator room! Great for our big family. Would love to rent it again in the future! My favorite time was sitting on the deck in the evening."

Reviewed on May 10, 2026

Opens in a new windowModern Lewis and Clark lake home with lake views and 3 min drive to the beach!
Hunters & outdoor lovers charming 4-bedrm lake house with best view on the lake!

Hunters & outdoor lovers charming 4-bedrm lake house with best view on the lake!

Crofton NE
Stay at this cabin in Crofton. Enjoy a garden, laundry facilities, and patios. Popular attractions Bloomfield Recreation Area and Lewis and Clark Lake are located nearby.
Opens in a new windowHunters & outdoor lovers charming 4-bedrm lake house with best view on the lake!
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! (2 reviews)
"Very nice cabin, very great location, we had a good time there, everyone there very friendly, planning on conning back again"

Reviewed on Oct 26, 2025

Opens in a new windowCozy cabin near Lewis and Clark Lake and CJ’s at the Lake
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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.
Opens in a new windowThe Historic Argo Hotel
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 $193 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, June 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. $193 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 $193 and $811. 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.