Cheap Flights to Clay County from $134 (2026/2027)

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Vermillion

Flights
Vermillion

How Much Does it Cost To Fly To Clay County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Thu, Oct 29 - Sun, Nov 1
DEN
Denver Intl.
SUX
Sioux Gateway
$237 Roundtrip, found 2 days ago
$237
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 29 from Denver Intl. to Sioux Gateway, returning Sun, Nov 1, priced at $237 found 2 days ago
Mon, Oct 5 - Sat, Oct 10
DFW
Dallas-Fort Worth Intl.
SUX
Sioux Gateway
$307 Roundtrip, found 5 days ago
$307
Roundtrip
found 5 days ago
Select United flight, departing Mon, Oct 5 from Dallas-Fort Worth Intl. to Sioux Gateway, returning Sat, Oct 10, priced at $307 found 5 days ago
Sat, Sep 19 - Mon, Sep 21
IAH
George Bush Intercontinental
SUX
Sioux Gateway
$323 Roundtrip, found 6 days ago
$323
Roundtrip
found 6 days ago
Select United flight, departing Sat, Sep 19 from George Bush Intercontinental to Sioux Gateway, returning Mon, Sep 21, priced at $323 found 6 days ago
Tue, Oct 13 - Tue, Oct 20
PHX
Sky Harbor Intl.
SUX
Sioux Gateway
$334 Roundtrip, found 1 day ago
$334
Roundtrip
found 1 day ago
Select United flight, departing Tue, Oct 13 from Sky Harbor Intl. to Sioux Gateway, returning Tue, Oct 20, priced at $334 found 1 day ago
Fri, Jan 22 - Sun, Jan 24
PDX
Portland Intl.
SUX
Sioux Gateway
$344 Roundtrip, found 1 day ago
$344
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jan 22 from Portland Intl. to Sioux Gateway, returning Sun, Jan 24, priced at $344 found 1 day ago
Tue, Oct 6 - Wed, Oct 7
SEA
Seattle - Tacoma Intl.
SUX
Sioux Gateway
$349 Roundtrip, found 2 days ago
$349
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 6 from Seattle - Tacoma Intl. to Sioux Gateway, returning Wed, Oct 7, priced at $349 found 2 days ago
Fri, Oct 23 - Mon, Oct 26
LAX
Los Angeles Intl.
SUX
Sioux Gateway
$349 Roundtrip, found 12 hours ago
$349
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Oct 23 from Los Angeles Intl. to Sioux Gateway, returning Mon, Oct 26, priced at $349 found 12 hours ago
Wed, Oct 7 - Thu, Oct 8
ORD
O'Hare Intl.
SUX
Sioux Gateway
$351 Roundtrip, found 4 days ago
$351
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 7 from O'Hare Intl. to Sioux Gateway, returning Thu, Oct 8, priced at $351 found 4 days ago
OriginDestinationTravel DatesFlights From*
DENSioux CityOctober 29 to November 1$237
DFWSioux CityOctober 5 to October 10$307
SNASioux CityOctober 21 to October 27$324
LAXSioux CityOctober 8 to October 12$328
PHXSioux CityOctober 13 to October 20$334
SEASioux CityOctober 6 to October 7$349
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
DFWSioux CitySeptember 13 to September 14$722
*Prices include taxes and fees

Travelers ❤️ These Clay County 🏨

Best Western Vermillion Inn

Best Western Vermillion Inn

2.5 out of 5
701 W Cherry St Vermillion SD
Stay at this hotel in Vermillion. Enjoy free breakfast, free parking, and a fitness center. Our guests praise the helpful staff in our reviews. Popular attractions Barstow Park and Austin-Whittemore House are located nearby.
Opens in a new windowBest Western Vermillion Inn
Prairie Inn

Prairie Inn

2 out of 5
916 N Dakota Street Vermillion SD
Stay at this hotel in Vermillion. Enjoy free WiFi, free parking, and room service. Popular attractions DakotaDome and Sanford Coyote Sports Center are located nearby.
7.2/10 Good! (356 reviews)
"The staff here are friendly and helpful and, best of all, the location can’t be beat!!! Also, they seem to have done some upgrades with new beds/mattresses. Very comfortable. Thank you!"

Reviewed on Sep 4, 2026

Opens in a new windowPrairie Inn
Red Roof Inn Vermillion - U of South Dakota

Red Roof Inn Vermillion - U of South Dakota

2 out of 5
1208 E Cherry St Vermillion SD
Stay at this hotel in Vermillion. Enjoy free breakfast, free WiFi, and free parking. Popular attractions W. H. Over Museum and National Music Museum are located nearby.
Opens in a new windowRed Roof Inn Vermillion - U of South Dakota
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Holiday Inn Express Hotel & Suites Vermillion by IHG

Holiday Inn Express Hotel & Suites Vermillion by IHG

2.5 out of 5
1200 N Dakota St Vermillion SD
Stay at this hotel in Vermillion. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. Popular attractions DakotaDome and Sanford Coyote Sports Center are located nearby.
8.2/10 Very Good! (433 reviews)
"Staff was amazing. Check in/out was a breeze. Breakfast was good. The room was fine...with the exception of everything covered in a layer of dust. The people who had stayed before us had scribbled in the dust of the chairs at the table and the coffee table had lines drawn in it."

Reviewed on Aug 13, 2026

Opens in a new windowHoliday Inn Express Hotel & Suites Vermillion by IHG
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.

Frequently asked questions

How much is the cheapest flight to Clay County?
A roundtrip flight to Clay County cost as little as $237 during the last seven days. When you're ready to make a booking, we'll help you land a great deal. This price was available on Travelocity for flights to Clay County departing within the next year. Prices and availability are subject to change. Additional terms apply.
Which airlines fly to Clay County?
Pack your luggage and travel with any of the 15 airline companies that fly to Clay County. Consider booking a seat with the renowned air carrier, American Airlines. It offers around 290 flights a month to Vermillion, Clay County's primary city, so finding your perfect fare should be easy.
What is the cheapest month to fly to Clay County?
October is the cheapest period to make your way to Clay County — that's based on Travelocity's direct return flight demand between January and December last year. We can help you snap up an incredible deal so you can start planning your vacation today.
How can I check my flight status to Clay County?
There are a few handy ways to look up the status of your flight. You'll find all the necessary details in our "Trips" portal, which is located at the top right of our homepage. Sign in or create a new account — you can then access and manage your bookings whenever you want. For those already on the move, the Travelocity app can also help you check the status of your flight to Clay County, as well as share details with any members of your family flying with you.
How do I find the best deals on flights to Clay County?
It's better to book ahead, and if you can, avoid flying during the busy tourist season. Another great way to save is by clicking the "Flexible dates" box at the top of the page after searching for your flights. This will reveal ticket prices for surrounding days. In the last seven days, the best price for a roundtrip flight to Clay County was $237. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to Clay County with Travelocity?
Where to start! With cheap flights to Clay County, accommodations and activities, you'll discover everything you need to create your perfect trip with Travelocity. Book your cheap family flights and take advantage of our 24/7 customer assistance and free cancellations on most hotels if you need. Our aim is to provide stress-free travel whenever you book with us so that you can spend less time on the nitty-gritty and more time making memories with your family and friends.
What are the most popular flight routes to Clay County?
With superb connections, organizing flights to Clay County is a cinch. Here are several of the busiest flight routes to this exciting destination:

  • Chicago, IL (ORD-O'Hare Intl.) to Sioux Falls Regional Airport (FSD) - 914 flights a month.
  • Minneapolis, MN (MSP-Minneapolis - St. Paul Intl.) to Sioux Falls Regional Airport (FSD) - 901 flights a month.
  • Denver, CO (DEN-Denver Intl.) to Sioux Falls Regional Airport (FSD) - 814 flights a month.

How much is a flight to Clay County on average?
In the last seven days, roundtrip flights to Clay County were priced between $237 and $722. No matter what type of fare you're after, we have some terrific deals to help you stick within budget. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How long is the average flight to Clay County?
Check out these top routes for some insight into how long you'll be cruising the skies during a direct flight to Clay County:

  • Chicago, IL (ORD-O'Hare Intl.) to Sioux Falls Regional Airport (FSD) - 1 hour and 47 minutes
  • Minneapolis, MN (MSP-Minneapolis - St. Paul Intl.) to Sioux Falls Regional Airport (FSD) - 1 hour and 4 minutes
  • Denver, CO (DEN-Denver Intl.) to Sioux Falls Regional Airport (FSD) - 1 hour and 35 minutes

What can I expect on a flight to Clay County?
If you're about to catch a long-haul flight to Clay County, you can usually expect meals, drinks and entertainment on board. Airlines attempt to make longer flights as pleasant as possible. Shorter journeys — along with flights offered by low-cost airlines — may have less inclusions. If you're on the lookout for cheap flights for family vacations with a low-priced carrier, it's likely you'll pay extra for meals and entertainment.