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Cheap round-trip flights to Knox County
Prices were available within the past 7 days and start at €138 for one-way flights and €325 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Thu, 4 Jul - Wed, 10 Jul
LGA
LaGuardia
SUX
Sioux Gateway
€325 Return, found 17 hours ago
€325
Return
found 17 hours ago
Thu, 11 Jul - Wed, 17 Jul
LGA
LaGuardia
FSD
Sioux Falls Regional
€349 Return, found 1 day ago
€349
Return
found 1 day ago
Thu, 11 Jul - Wed, 17 Jul
LGA
LaGuardia
FSD
Sioux Falls Regional
€354 Return, found 1 day ago
€354
Return
found 1 day ago
Thu, 11 Jul - Wed, 17 Jul
LGA
LaGuardia
FSD
Sioux Falls Regional
€358 Return, found 1 day ago
€358
Return
found 1 day ago
Thu, 4 Jul - Wed, 10 Jul
LGA
LaGuardia
SUX
Sioux Gateway
€366 Return, found 17 hours ago
€366
Return
found 17 hours ago
Thu, 4 Jul - Wed, 10 Jul
EWR
Liberty Intl.
SUX
Sioux Gateway
€370 Return, found 17 hours ago
€370
Return
found 17 hours ago
Thu, 11 Jul - Wed, 17 Jul
LGA
LaGuardia
FSD
Sioux Falls Regional
€370 Return, found 1 day ago
€370
Return
found 1 day ago
Thu, 11 Jul - Wed, 17 Jul
EWR
Liberty Intl.
FSD
Sioux Falls Regional
€376 Return, found 1 day ago
€376
Return
found 1 day ago
Thu, 11 Jul - Wed, 17 Jul
LGA
LaGuardia
FSD
Sioux Falls Regional
€377 Return, found 1 day ago
€377
Return
found 1 day ago
Thu, 11 Jul - Wed, 17 Jul
LGA
LaGuardia
FSD
Sioux Falls Regional
€385 Return, found 1 day ago
€385
Return
found 1 day ago
About Knox County
Expedia offers flights to Knox County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Knox County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
Frequently asked questions
More to explore for Knox County
Flying to Knox County? Explore Knox County with Expedia's Travel Guides to find the best hotels, holiday packages, car hire deals and more!
Trending flights to Knox County
These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.
Fri, 30 Aug - Sun, 15 Sep
DUB
Dublin
FSD
Sioux Falls Regional
€653 Return, found 3 days ago
€653
Return
found 3 days ago
Top Flight Destinations In Knox County
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Top Knox County Hotels
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