$50 Cheap flights to Knox County

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Cheap flights to Knox County from $50 One Way, $80 Round Trip

$80 return flights and $50 one-way flights to Knox County were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Dec 4 - Mon, Dec 7
BNA
Nashville
FSD
Sioux Falls
$80 Roundtrip, found 2 days ago
$80
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Fri, Dec 4 from Nashville to Sioux Falls, returning Mon, Dec 7, priced at $80 found 2 days ago
Fri, Dec 4 - Mon, Dec 7
PIE
St. Petersburg
FSD
Sioux Falls
$117 Roundtrip, found 5 days ago
$117
Roundtrip
found 5 days ago
Select Allegiant Air flight, departing Fri, Dec 4 from St. Petersburg to Sioux Falls, returning Mon, Dec 7, priced at $117 found 5 days ago
Fri, Jan 8 - Sat, Jan 16
AZA
Mesa
FSD
Sioux Falls
$118 Roundtrip, found 5 days ago
$118
Roundtrip
found 5 days ago
Select Allegiant Air flight, departing Fri, Jan 8 from Mesa to Sioux Falls, returning Sat, Jan 16, priced at $118 found 5 days ago
Thu, Dec 3 - Sun, Dec 6
DEN
Denver
SUX
Sioux City
$274 Roundtrip, found 22 hours ago
$274
Roundtrip
found 22 hours ago
Select United flight, departing Thu, Dec 3 from Denver to Sioux City, returning Sun, Dec 6, priced at $274 found 22 hours ago
Mon, Oct 26 - Tue, Oct 27
CVG
Cincinnati
SUX
Sioux City
$293 Roundtrip, found 22 hours ago
$293
Roundtrip
found 22 hours ago
Select United flight, departing Mon, Oct 26 from Cincinnati to Sioux City, returning Tue, Oct 27, priced at $293 found 22 hours ago
Wed, Nov 25 - Mon, Nov 30
ORD
Chicago
FSD
Sioux Falls
$299 Roundtrip, found 4 days ago
$299
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Nov 25 from Chicago to Sioux Falls, returning Mon, Nov 30, priced at $299 found 4 days ago
Fri, Nov 13 - Sun, Nov 15
DEN
Denver
FSD
Sioux Falls
$299 Roundtrip, found 22 hours ago
$299
Roundtrip
found 22 hours ago
Select United flight, departing Fri, Nov 13 from Denver to Sioux Falls, returning Sun, Nov 15, priced at $299 found 22 hours ago
Sat, Oct 24 - Sun, Oct 25
GRB
Green Bay
FSD
Sioux Falls
$323 Roundtrip, found 22 hours ago
$323
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Sat, Oct 24 from Green Bay to Sioux Falls, returning Sun, Oct 25, priced at $323 found 22 hours ago
Thu, Feb 18 - Sat, Feb 20
LAX
Los Angeles
FSD
Sioux Falls
$337 Roundtrip, found 1 day ago
$337
Roundtrip
found 1 day ago
Select United flight, departing Thu, Feb 18 from Los Angeles to Sioux Falls, returning Sat, Feb 20, priced at $337 found 1 day ago
Tue, Mar 16 - Sun, Mar 21
PDX
Portland
FSD
Sioux Falls
$340 Roundtrip, found 1 day ago
$340
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 16 from Portland to Sioux Falls, returning Sun, Mar 21, priced at $340 found 1 day ago
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Deals For This Weekend's Flights

OriginDestinationTravel DatesFlights From*
DENSioux FallsOctober 2 to October 5$324
LAXSioux FallsOctober 2 to October 5$346
IAHSioux FallsOctober 2 to October 9$449
LAXSioux CityOctober 2 to October 6$490
PDXSioux FallsOctober 3 to October 5$493
PDXSioux CityOctober 2 to October 4$875
*Prices include taxes and fees

Find The Perfect Hotel For After Your Flight

Score Epic Knox County Accommodation Deals

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
$919 nightly
The price is $1,016 total per night from Oct 2 to Oct 3
$1,016 total
Oct 2 - Oct 3
Total with taxes and fees
Stay at this vacation home in Crofton. Enjoy a garden, laundry facilities, and patios. Popular attractions Hideaway Acres State Recreation Area and Deep Water ...
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 ...
10/10 Exceptional! (5 reviews)
"Checked all the boxes for what we needed for this stay, thanks Tony !"

Reviewed on Aug 2, 2026

Get rates
Opens in a new windowCozy cabin near Lewis and Clark Lake and CJ’s at the Lake
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 ...
Get rates
Opens in a new windowSpacious Lakeview Cabin Minutes from Private Beach
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Lewis and Clark Lake Home/Loft for Rent/Lake View Property and Lake Access

Lewis and Clark Lake Home/Loft for Rent/Lake View Property and Lake Access

Crofton NE
Book a stay at this beach apartment in Crofton. Enjoy free WiFi, a beach locale, and laundry facilities. Popular attractions Bloomfield Recreation Area and Lewis ...
9.6/10 Exceptional! (46 reviews)
"The view is worth it alone. The space great for all to be together. Well equipped. The location for us worked great! We hope to be back."

Reviewed on Sep 7, 2026

Get rates
Opens in a new windowLewis and Clark Lake Home/Loft for Rent/Lake View Property and Lake 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.

Need a Car For After Your Flight?

Economy

Chevrolet Spark
  • 4 people
Chevrolet Spark
Economy Chevrolet Spark

Compact

Ford Focus
  • 4 people
Ford Focus
Compact Ford Focus

Midsize

Toyota Corolla
  • 5 people
Toyota Corolla
Midsize Toyota Corolla

SUV

Jeep Compass
  • 5 people
Jeep Compass
SUV Jeep Compass

Knox County

Save money on your flights to Knox County as well as on hotel and car packages.

 

Free Fees

Snap up cheap Knox County flights at Orbitz, and pay no booking fees. We also don’t charge fees when your plans change or are cancelled. While you’re there, check out our low fare deals on flights to other locations besides flights to Knox County.

Everyday Is a Great Day to Save Even More

Get bonus points from Orbitz, the best discount travel planner in the business. Use your Orbitz Visa to take advantage of sales on Knox County flights, or pile on points by using it for gas, groceries, and other everyday goods and services. Pack your wallet with even more savings using our cutting-edge suite of mobile tools.

Mix and Match

At Orbitz, we turned a great idea from the world of fashion into another way for you to save money. When you shop our low cost tickets on flights to any destination, don’t be afraid to mix and match different airlines for maximum savings on your Knox County flights air ticket. Save more on air travel every day in every way at Orbitz.

Frequently asked questions

Which airlines fly to Knox County?
With 21 airlines flying to Eppley Field Airport (OMA), you'll be making your way around Knox County in no time at all. Selecting a flight that suits your travel plans is simple. Take a look at the fares from these top carriers and enjoy a smooth landing at Eppley Field Airport (OMA):

  • Delta - 245 flights to Knox County per month
  • Southwest Airlines - 240 flights to Knox County per month
  • United Airlines - 176 flights to Knox County per month

How much is a flight to Knox County?
If you're looking for a return flight, fares ranged between $80 and $875 this past week. The cheapest price for one-way was $50, departing from Nashville (BNA).
How to book the cheapest flight to Knox County?
Picking up cheap flights to Knox County is as simple as booking your ticket with Orbitz. But if you want to make sure you're grabbing the best flight deals around, here are some tips to keep in mind:

  • Departing from or landing at other airports can help you save on airfares. Type in your preferred departure and arrival airports. Next, select the 'Nearby airports' function below to compare your options.
  • Also, click on the 'Show flexible dates' option to compare the prices on days either side of your chosen departure. It's possible to pick up cheaper flight deals if you're flexible with your plans.
  • You can also use the 'Show options' function to filter results for your preferred carrier, seating class, and nonstop and refundable flights. Under 'Sort & Filter' to the left, you can even choose the time of day you'd like to fly.
  • The early bird catches the biggest savings, so purchase your seats once you've settled on your travel dates. The cheapest airfares go like hotcakes and prices normally rise as the departure date gets closer.
  • Bundle your flights, hotels and car rental into a value-for-money package deal. Save your cash for things you're really excited about, like discovering every corner of Knox County.
  • Don't fly during the busy season if you can. By avoiding summer, school vacations and other popular dates, you can make amazing savings on your airfares.

What is the best time to book a flight to Knox County?
Book in January, February or August for unbeatable fares to Knox County. Once you've located a bargain, lock it in — cheap flights will appear and then vanish at the tap of a button.
What day of the week is the cheapest to book a flight to Knox County?
In general, Tuesdays, Wednesdays and Saturdays are the cheapest days of the week to book flights to Knox County. If you want unbeatable airfares, search across those days and you just might find a great flight deal.
What is the cheapest day of the week to fly to Knox County?
You can grab cheap flights to Knox County by hopping on a plane on a Monday, according to Orbitz data from 2020. Tuesday is the next most affordable day, while Saturday has the most costly airfares. Whether you prefer to stretch your travel budget or fly out on whichever day is convenient, you'll always find a fabulous deal with Orbitz.
What is the cheapest month to fly to Knox County?
To land cheap flights to Knox County, pack your suitcase and take off in August. Orbitz data has found that generally, this is an excellent month to save on your fare. If you're considering flying to Knox County during June, it's worth remembering that this is the least affordable time of year to travel.
Which airlines allow free cancellation?
Life changes, and your flight should be able to as well. That's why Orbitz makes it a snap to search for fares with free cancellation and no change fees. Just enter your travel details and then choose "Filter by flexible change policies." That's what we call peace of mind!
What do I need for the flight to Knox County?
Nothing's more fun than jetting to a new destination, but it's smart to be prepared. The following useful tips will help get your journey off to a great start:

  • Before you take your seat on the plane, you'll need to show some type of government-issued ID, such as your passport. You'll also need your boarding pass. If you're traveling with children, check with your airline about which documents they may need.
  • To keep you entertained on the short trip to Knox County, download some new songs or stock up the podcast library on your tablet. Food can also be a welcome distraction while in the air, so pack a snack.
  • Even if you're flying when it's sweltering outside, bring a sweater on board with you. Airplane cabins can get downright cold.

How do I get cheap first-class/business deals to Knox County?
Experienced travelers have a knack for finding first or business-class fares to Knox County without the sky-high price tag. Follow in their footsteps with these helpful hints:

  • Flexibility isn't just useful for your yoga. Have some room to move around your travel dates so you can pick up more affordable airfares when they crop up.
  • Low-cost airlines offer first or business-class seating at more affordable prices. Skip the full-service carriers and fly with one these cheaper options.
  • Make the most of your airline's frequent flyer program and upgrade your seat. You can also bid for an upgrade in online auctions.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.