Cheap Flights to Clay County from $163 (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Jet to one of Clay County's top cities

A grassy field with a building in the background.

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, Sep 17 - Sun, Sep 20
DEN
Denver Intl.
SUX
Sioux Gateway
$245 Roundtrip, found 3 days ago
$245
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 17 from Denver Intl. to Sioux Gateway, returning Sun, Sep 20, priced at $245 found 3 days ago
Fri, Sep 18 - Sun, Sep 20
DEN
Denver Intl.
SUX
Sioux Gateway
$247 Roundtrip, found 5 days ago
$247
Roundtrip
found 5 days ago
Select United flight, departing Fri, Sep 18 from Denver Intl. to Sioux Gateway, returning Sun, Sep 20, priced at $247 found 5 days ago
Thu, Sep 17 - Sun, Sep 20
DEN
Denver Intl.
SUX
Sioux Gateway
$286 Roundtrip, found 3 days ago
$286
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 17 from Denver Intl. to Sioux Gateway, returning Sun, Sep 20, priced at $286 found 3 days ago
Fri, Sep 18 - Sun, Sep 20
DEN
Denver Intl.
SUX
Sioux Gateway
$287 Roundtrip, found 5 days ago
$287
Roundtrip
found 5 days ago
Select United flight, departing Fri, Sep 18 from Denver Intl. to Sioux Gateway, returning Sun, Sep 20, priced at $287 found 5 days ago
Fri, Sep 4 - Mon, Sep 7
DEN
Denver Intl.
SUX
Sioux Gateway
$334 Roundtrip, found 1 day ago
$334
Roundtrip
found 1 day ago
Select United flight, departing Fri, Sep 4 from Denver Intl. to Sioux Gateway, returning Mon, Sep 7, priced at $334 found 1 day ago
Tue, Nov 17 - Sat, Nov 21
DRO
La Plata County
SUX
Sioux Gateway
$355 Roundtrip, found 1 day ago
$355
Roundtrip
found 1 day ago
Select United flight, departing Tue, Nov 17 from La Plata County to Sioux Gateway, returning Sat, Nov 21, priced at $355 found 1 day ago
Thu, Sep 10 - Sat, Sep 12
PHX
Sky Harbor Intl.
SUX
Sioux Gateway
$374 Roundtrip, found 7 hours ago
$374
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Sep 10 from Sky Harbor Intl. to Sioux Gateway, returning Sat, Sep 12, priced at $374 found 7 hours ago
Fri, Oct 16 - Sat, Oct 17
BDL
Bradley Intl.
SUX
Sioux Gateway
$524 Roundtrip, found 1 day ago
$524
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 16 from Bradley Intl. to Sioux Gateway, returning Sat, Oct 17, priced at $524 found 1 day ago
OriginDestinationTravel DatesFlights From*
DENSioux CitySeptember 17 to September 20$245
SNASioux CityNovember 4 to November 11$324
PHXSioux CitySeptember 10 to September 12$374
SFOSioux CitySeptember 23 to September 28$404
*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.
8.6/10 Excellent! (620 reviews)
"Room was clean. Staff was courteous and helpful. A pleasant stay."

Reviewed on Aug 20, 2026

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.
Opens in a new windowPrairie Inn
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
Save an average of 15% on thousands of hotels when you're signed in
Sign in
Sign up, it's free
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
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 $245 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?
September 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 $245. 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 $245 and $524. 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.