Cheap Flights to Knox County from $78

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 $78 for one-way flights and $124 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Aug 21 - Mon, Aug 25
DEN
Denver
FSD
Sioux Falls
$124 Roundtrip, found 2 hours ago
$124
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Aug 21 from Denver to Sioux Falls, returning Mon, Aug 25, priced at $124 found 2 hours ago
Frontier Airlines
Thu, Oct 9 - Sun, Oct 12
DEN
Denver
FSD
Sioux Falls
$128 Roundtrip, found 1 hour ago
$128
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Oct 9 from Denver to Sioux Falls, returning Sun, Oct 12, priced at $128 found 1 hour ago
Frontier Airlines
Wed, Aug 20 - Wed, Aug 27
DEN
Denver
FSD
Sioux Falls
$128 Roundtrip, found 3 days ago
$128
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Aug 20 from Denver to Sioux Falls, returning Wed, Aug 27, priced at $128 found 3 days ago
Frontier Airlines
Fri, Oct 24 - Sun, Oct 26
DEN
Denver
FSD
Sioux Falls
$131 Roundtrip, just found
$131
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 24 from Denver to Sioux Falls, returning Sun, Oct 26, priced at $131 just found
Frontier Airlines
Fri, Aug 22 - Mon, Aug 25
DEN
Denver
FSD
Sioux Falls
$135 Roundtrip, found 1 hour ago
$135
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Aug 22 from Denver to Sioux Falls, returning Mon, Aug 25, priced at $135 found 1 hour ago
Frontier Airlines
Fri, Sep 5 - Sun, Sep 7
DEN
Denver
FSD
Sioux Falls
$139 Roundtrip, found 3 hours ago
$139
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Sep 5 from Denver to Sioux Falls, returning Sun, Sep 7, priced at $139 found 3 hours ago
United
Thu, Oct 2 - Mon, Oct 6
DEN
Denver
FSD
Sioux Falls
$179 Roundtrip, found 1 day ago
$179
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 2 from Denver to Sioux Falls, returning Mon, Oct 6, priced at $179 found 1 day ago
Delta
Fri, Dec 5 - Tue, Dec 9
DEN
Denver
FSD
Sioux Falls
$209 Roundtrip, found 6 hours ago
$209
Roundtrip
found 6 hours ago
Select Delta flight, departing Fri, Dec 5 from Denver to Sioux Falls, returning Tue, Dec 9, priced at $209 found 6 hours ago
American Airlines
Tue, Sep 23 - Tue, Sep 30
SAV
Savannah
FSD
Sioux Falls
$259 Roundtrip, found 3 hours ago
$259
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Sep 23 from Savannah to Sioux Falls, returning Tue, Sep 30, priced at $259 found 3 hours ago
Alaska Airlines
Tue, Sep 16 - Sat, Sep 20
SEA
Seattle
FSD
Sioux Falls
$349 Roundtrip, found 2 days ago
$349
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Sep 16 from Seattle to Sioux Falls, returning Sat, Sep 20, priced at $349 found 2 days ago

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.

Knox County Flights Information

Airlines serving
Frontier Airlines, American Airlines, Delta, United, Alaska Airlines
Roundtrip price
from $124

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, Aug 21 - Mon, Aug 25
DEN
Denver
FSD
Sioux Falls
$124 Roundtrip, found 2 hours ago
$124
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Aug 21 from Denver to Sioux Falls, returning Mon, Aug 25, priced at $124 found 2 hours ago
*Available to One Key members.