Cheap Flights to Knox County from $33

Popular airlines to Knox County

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Delta

    Delta

  • Frontier Airlines

    Frontier Airlines

  • JetBlue Airways

    JetBlue Airways

  • Alaska Airlines

    Alaska Airlines

Top Cities to Visit in Knox County

Niobrara featuring landscape views and tranquil scenes
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Niobrara

Niobrara

How much is the cheapest flight to Knox County?

Prices were available within the past 7 days and start at $33 for one-way flights and $66 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Oct 23 - Mon, Oct 27
DEN
Denver
FSD
Sioux Falls
$66 Roundtrip, found 4 hours ago
$66
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Oct 23 from Denver to Sioux Falls, returning Mon, Oct 27, priced at $66 found 4 hours ago
Frontier Airlines
Thu, Dec 4 - Sun, Dec 7
DEN
Denver
FSD
Sioux Falls
$82 Roundtrip, found 1 day ago
$82
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Denver to Sioux Falls, returning Sun, Dec 7, priced at $82 found 1 day ago
Frontier Airlines
Fri, Oct 17 - Mon, Oct 20
DEN
Denver
FSD
Sioux Falls
$85 Roundtrip, found 1 hour ago
$85
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Oct 17 from Denver to Sioux Falls, returning Mon, Oct 20, priced at $85 found 1 hour ago
Frontier Airlines
Thu, Oct 23 - Mon, Nov 3
DEN
Denver
FSD
Sioux Falls
$89 Roundtrip, found 3 days ago
$89
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Oct 23 from Denver to Sioux Falls, returning Mon, Nov 3, priced at $89 found 3 days ago
Frontier Airlines
Fri, Oct 24 - Mon, Nov 10
ORD
Chicago
FSD
Sioux Falls
$158 Roundtrip, found 3 days ago
$158
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Oct 24 from Chicago to Sioux Falls, returning Mon, Nov 10, priced at $158 found 3 days ago
Frontier Airlines
Thu, Oct 30 - Thu, Nov 6
IAH
Houston
FSD
Sioux Falls
$163 Roundtrip, found 14 hours ago
$163
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Thu, Oct 30 from Houston to Sioux Falls, returning Thu, Nov 6, priced at $163 found 14 hours ago
American Airlines
Sat, Dec 6 - Wed, Dec 10
DEN
Denver
FSD
Sioux Falls
$169 Roundtrip, found 3 days ago
$169
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Dec 6 from Denver to Sioux Falls, returning Wed, Dec 10, priced at $169 found 3 days ago
Delta
Tue, Oct 28 - Wed, Oct 29
DEN
Denver
FSD
Sioux Falls
$179 Roundtrip, found 3 days ago
$179
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Oct 28 from Denver to Sioux Falls, returning Wed, Oct 29, priced at $179 found 3 days ago
United
Wed, Oct 22 - Thu, Oct 30
DEN
Denver
FSD
Sioux Falls
$184 Roundtrip, found 1 day ago
$184
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 22 from Denver to Sioux Falls, returning Thu, Oct 30, priced at $184 found 1 day ago
Alaska Airlines
Tue, Dec 30 - Thu, Jan 15
SEA
Seattle
FSD
Sioux Falls
$349 Roundtrip, found 2 days ago
$349
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Dec 30 from Seattle to Sioux Falls, returning Thu, Jan 15, priced at $349 found 2 days ago

Trending flights to Knox County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Oct 23 - Mon, Oct 27
DEN
Denver
FSD
Sioux Falls
$66 Roundtrip, found 4 hours ago
$66
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Oct 23 from Denver to Sioux Falls, returning Mon, Oct 27, priced at $66 found 4 hours ago

Book with confidence

Book with confidence

Fargo Hector International Airport offers nonstop flights to cities across the US. From ski trips to golf getaways to a week on the beach, it's all within reach when you fly FAR.

Plan your trip and fly nonstop from Fargo to Atlanta, Chicago, Dallas, Denver, Las Vegas, Minneapolis/St. Paul, Nashville, and Phoenix-Mesa, with seasonal service to Orlando, Phoenix-Sky Harbor, and St. Pete–Clearwater.

Take advantage of our convenient new parking garage with affordable rates. Enjoy short lines, a simple terminal, and fast check-ins. From parking to boarding, it's smooth every step of the way.

Travel information

Travel information

Knox County Flights Information

Airlines serving
Frontier Airlines, Delta, United, American Airlines, Alaska Airlines
Roundtrip price
from $66
Knox County Flights Information

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