$253 Cheap flights to Clay County

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

Top places to visit in Clay County

A grassy field with a building in the background.
FlightsFlights
FlightsFlights

Vermillion

Vermillion

Cheap flights to Clay County from $253 One Way, $364 Round Trip

$364 return flights and $253 one-way flights to Clay County were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 28 - Sun, Jan 31
PHX
Phoenix
SUX
Sioux City
$364 Roundtrip, found 10 hours ago
$364
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Jan 28 from Phoenix to Sioux City, returning Sun, Jan 31, priced at $364 found 10 hours ago
Thu, Jan 28 - Thu, Mar 4
PHL
Philadelphia
SUX
Sioux City
$364 Roundtrip, found 1 day ago
$364
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 28 from Philadelphia to Sioux City, returning Thu, Mar 4, priced at $364 found 1 day ago
Thu, Jan 28 - Sun, Jan 31
PHX
Phoenix
SUX
Sioux City
$369 Roundtrip, found 10 hours ago
$369
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Jan 28 from Phoenix to Sioux City, returning Sun, Jan 31, priced at $369 found 10 hours ago
Thu, Jan 28 - Thu, Mar 4
PHL
Philadelphia
SUX
Sioux City
$374 Roundtrip, found 1 day ago
$374
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 28 from Philadelphia to Sioux City, returning Thu, Mar 4, priced at $374 found 1 day ago
Thu, Feb 4 - Sat, Mar 6
PHL
Philadelphia
SUX
Sioux City
$376 Roundtrip, found 1 day ago
$376
Roundtrip
found 1 day ago
Select United flight, departing Thu, Feb 4 from Philadelphia to Sioux City, returning Sat, Mar 6, priced at $376 found 1 day ago
Thu, Jan 28 - Sun, Jan 31
PHX
Phoenix
SUX
Sioux City
$377 Roundtrip, found 10 hours ago
$377
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Jan 28 from Phoenix to Sioux City, returning Sun, Jan 31, priced at $377 found 10 hours ago
Loading

Deals For This Weekend's Flights

OriginDestinationTravel DatesFlights From*
DENSioux CityNovember 14 to December 9$422
*Prices include taxes and fees

Find The Perfect Hotel For After Your Flight

Score Epic Clay County Accommodation Deals

Best Western Vermillion Inn

Best Western Vermillion Inn

2.5 out of 5
701 W Cherry St Vermillion SD
Fully refundableReserve now, pay when you stay
$96 nightly
The price is $106 total per night from Nov 25 to Nov 26
$106 total
Nov 25 - Nov 26
Total with taxes and fees
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 ...
8.6/10 Excellent! (642 reviews)
"The place was cleaned but the beds were terrible. Springs in back and hard as a rock. The breakfast area is in a little nook but it was good. The rooms were clean not enough towels in the room"

Reviewed on Nov 2, 2026

Opens in a new windowBest Western Vermillion Inn
Prairie Inn

Prairie Inn

2 out of 5
916 N Dakota Street Vermillion SD
Fully refundableReserve now, pay when you stay
$65 nightly
The price is $71 total per night from Dec 13 to Dec 14
$71 total
Dec 13 - Dec 14
Total with taxes and fees
Stay at this hotel in Vermillion. Enjoy free WiFi, free parking, and room service. Popular attractions DakotaDome and Sanford Coyote Sports Center are located ...
7.2/10 Good! (368 reviews)
"Basic hotel room. Clean and convenient location."

Reviewed on Nov 11, 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
Fully refundableReserve now, pay when you stay
$89 nightly
The price is $99 total per night from Dec 1 to Dec 2
$99 total
Dec 1 - Dec 2
Total with taxes and fees
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 ...
Opens in a new windowRed Roof Inn Vermillion - U of South Dakota
Save an average of 15% on thousands of hotels when you're signed in
Sign in
Sign up, it's free
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
$114 nightly
The price is $126 total per night from Nov 17 to Nov 18
$126 total
Nov 17 - Nov 18
Total with taxes and fees
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 ...
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.

Need a Car For After Your Flight?

Economy

Chevrolet Spark
  • 4 people
Chevrolet Spark
Economy Chevrolet Spark

Compact

Ford Focus
  • 4 people
Ford Focus
Compact Ford Focus

Midsize

Toyota Corolla
  • 5 people
Toyota Corolla
Midsize Toyota Corolla

SUV

Jeep Compass
  • 5 people
Jeep Compass
SUV Jeep Compass

Clay County

Finding cheap flights to Clay County is easy when you have Orbitz at your fingertips. Not only does Orbitz offer great deals on Clay County flights, but we also include some special extras to make booking a breeze. Just check out our:

Mobile Site and Apps

With Orbitz’s mobile site, m.orbitz.com, you can book your flights to Clay County through your smartphone or tablet’s Web browser. Plus, our free downloadable apps for Android and iPhone mean it’s just a simple click to access your flight updates and alerts. You can even book exclusive mobile-only deals on hotels to go with your flights to Clay County—even on the same day.

Pick and Choose or Book Full Vacation Packages

Don’t just be satisfied with great deals on Clay County flights—go for the full package! With Orbitz, you can also find fantastic savings on the perfect hotel, car rental, cruise, and even activities, so you don’t waste your trip waiting in line but have the time to enjoy your trip. Pick and choose the add-ons you need, or book an entire vacation package for greater overall discounts.

Rewards That Are Miles Better

Booking directly with an airline earns you air miles or points, and you can get those same rewards with booking on Orbitz too. When you book qualifying flights to Clay County with Orbitz, just add in your frequent flyer number during your online booking and your details will be sent to your program.

Great Deals Every Day

Add in our extra savings on packages, free nights, and other discounts, and you know you are in good hands.

Frequently asked questions

Which airlines fly to Clay County?
There are 12 airlines that go to Sioux Falls Regional Airport (FSD). With such a variety of options, there's a great chance you'll land a cheap flight! Your Clay County trip awaits with one of these top domestic carriers:

  • United Airlines - 113 flights to Clay County per month
  • Delta - 75 flights to Clay County per month
  • American Airlines - 54 flights to Clay County per month

How much is a flight to Clay County?
This past week, prices fluctuated between $364 and $422 for a return trip to Clay County. One-way fares from Philadelphia (PHL) sank to $253 over the same period.
How to book the cheapest flight to Clay County?
With Orbitz, you'll find some of the most amazing flight deals around from a big selection of airlines. But if you're eager to increase your chances of nabbing cheap flights to Clay County, here are a few pointers to consider:

  • Consider other airports to save on your airfare. Enter your preferred departure and arrival airports in the form fields, then click on the 'Nearby airports' function below. It will list any available options.
  • If you're flexible with your itinerary, click on the 'Show flexible dates' link. It'll display the flight deals for the days either side of your chosen departure. Fares often vary depending on the day of the week.
  • To optimize your results, hit 'Show options.' You can search based on airlines, seating class, and nonstop and refundable flights. You can also choose your preferred flight times under 'Sort & Filter' to the left.
  • Once you've figured out your travel dates, don't delay booking your flight. Airfares usually increase as the departure date gets closer.
  • Consider combining your hotels, flights and car rentals into a package deal to make your budget go even further.
  • Don't travel during the busy season if possible. By steering clear of school vacations and summer, you can save loads on your airfare.

What is the best time to book a flight to Clay County?
On average, the cheapest month to book your journey is January. This is followed by February and August. When looking for a cheap flight to Clay County, it always pays to be ready to book. Cheap deals appear quickly and don't stick around!
What day of the week is the cheapest to book a flight to Clay County?
Land a fantastic flight deal by booking on a Tuesday, Wednesday or Saturday. These are typically the best days to score cheap airfares to Clay County.
What is the cheapest day of the week to fly to Clay County?
Everybody loves a great bargain, so we suggest leaving early in the week for cheap flights to Clay County. Orbitz data from 2020 shows you can lock in the best prices on flights departing on Mondays. Tuesdays are the next cheapest day, while Saturdays are the dearest. Many people prefer to travel when the working week is over, so leave those Saturdays for binge-watching your favorite TV shows.
What is the cheapest month to fly to Clay County?
If you have some flexibility with your travel plans, consider departing sometime in August. Orbitz data has found that this is generally the best month to take off if you want cheap flights to Clay County. As you might expect, fares rise in June and flights get snapped up fast.
Which airlines allow free cancellation?
If you're concerned your travel plans may change, Orbitz can help you find a flexible ticket. All you have to do is select "Filter by flexible change policies" when searching for your flights. We'll show you carriers that include free cancellation within 24 hours and no change fees — all on top of irresistibly low prices.
What do I need for the flight to Clay County?
Nothing's more enjoyable than jetting off on vacation, but it's smart to be prepared. The following handy tips will help get your journey off to a great start:

  • Your travel documents are the most important things you'll need to carry on your flight. To avoid any delays during check-in, make sure that the personal information on your ticket is the same as on your government-issued ID.
  • Take some activities to keep you busy on your trip to Clay County. Magazines, books and devices like e-readers and laptops are ideal. Make sure you take a water bottle too. Even on a short flight, it's important to stay hydrated.
  • Whatever the weather's doing outside, plane cabins can get a bit chilly. Take a sweater on board to keep yourself warm and toasty.

How do I get cheap first-class/business deals to Clay County?
There are ways of booking first or business-class airfares to Clay County that won't burn through your savings. Snap up a seat in the pointy end of the plane for less with these practical tips:

  • Being flexible isn't just for the gym. Leave some room to move around your travel dates so you can snap up cheaper airfares when a huge sale drops.
  • A lot of budget carriers these days have top-notch business-class seating without the hefty fees.
  • Bid for an upgrade. Some carriers hold online auctions that let you offer a price for a seat up the front. You can also try upgrading with points earned through a rewards program.

What is the best time to go to Clay County?
If you'd like to immerse yourself in the culture of Clay County in the busy season, May, June and July are the top months to visit. June 20 heralds the onset of summer in the Northern Hemisphere and is an excellent time to travel if you relish being outside. Around this time of year, average daily temperatures usually range from 65 ºF to 85 ºF.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.