Cheap Flights to Knox County from $30

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

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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 $30 for one-way flights and $60 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Nov 21 - Mon, Nov 24
DEN
Denver
FSD
Sioux Falls
$60 Roundtrip, found 5 hours ago
$60
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Fri, Nov 21 from Denver to Sioux Falls, returning Mon, Nov 24, priced at $60 found 5 hours ago
Frontier Airlines
Mon, Nov 24 - Mon, Dec 1
DEN
Denver
FSD
Sioux Falls
$70 Roundtrip, found 3 hours ago
$70
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Nov 24 from Denver to Sioux Falls, returning Mon, Dec 1, priced at $70 found 3 hours ago
Frontier Airlines
Mon, Dec 29 - Fri, Jan 2
DEN
Denver
FSD
Sioux Falls
$93 Roundtrip, found 4 days ago
$93
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Mon, Dec 29 from Denver to Sioux Falls, returning Fri, Jan 2, priced at $93 found 4 days ago
Frontier Airlines
Thu, Dec 4 - Sun, Dec 7
DEN
Denver
FSD
Sioux Falls
$94 Roundtrip, found 4 hours ago
$94
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Denver to Sioux Falls, returning Sun, Dec 7, priced at $94 found 4 hours ago
Frontier Airlines
Thu, Dec 11 - Thu, Jan 8
PHX
Phoenix
FSD
Sioux Falls
$110 Roundtrip, found 9 hours ago
$110
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Phoenix to Sioux Falls, returning Thu, Jan 8, priced at $110 found 9 hours ago
Frontier Airlines
Wed, Dec 3 - Thu, Dec 11
IAH
Houston
FSD
Sioux Falls
$120 Roundtrip, just found
$120
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Dec 3 from Houston to Sioux Falls, returning Thu, Dec 11, priced at $120 just found
American Airlines
Sat, Jan 17 - Tue, Jan 20
PHX
Phoenix
FSD
Sioux Falls
$157 Roundtrip, found 1 day ago
$157
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Jan 17 from Phoenix to Sioux Falls, returning Tue, Jan 20, priced at $157 found 1 day ago
United
Thu, Feb 19 - Mon, Feb 23
DEN
Denver
FSD
Sioux Falls
$179 Roundtrip, found 10 hours ago
$179
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Feb 19 from Denver to Sioux Falls, returning Mon, Feb 23, priced at $179 found 10 hours ago
Delta
Wed, Jan 7 - Tue, Jan 27
PHX
Phoenix
FSD
Sioux Falls
$197 Roundtrip, found 19 hours ago
$197
Roundtrip
found 19 hours ago
Select Delta flight, departing Wed, Jan 7 from Phoenix to Sioux Falls, returning Tue, Jan 27, priced at $197 found 19 hours ago
Alaska Airlines
Tue, Dec 30 - Tue, Jan 6
SEA
Seattle
FSD
Sioux Falls
$349 Roundtrip, found 1 day ago
$349
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Dec 30 from Seattle to Sioux Falls, returning Tue, Jan 6, priced at $349 found 1 day 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
Fri, Nov 21 - Mon, Nov 24
DEN
Denver
FSD
Sioux Falls
$60 Roundtrip, found 5 hours ago
$60
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Fri, Nov 21 from Denver to Sioux Falls, returning Mon, Nov 24, priced at $60 found 5 hours ago

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

Knox County Flights Information

Airlines serving
Frontier Airlines, United, American Airlines, Delta, Alaska Airlines
Roundtrip price
from $60
Knox County Flights Information

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