$228 Cheap Flights from Kansas City (MCI) to Watertown (ATY)

View $228 flight on Mon, Aug 17, 2026Opens in a new window

Popular airlines from Kansas City International Airport (MCI) to Watertown, SD (ATY-Watertown Regional)

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Cheap Flights from Kansas City to Watertown (MCI-ATY)

Prices were available within the past 7 days and start at $228 for one-way flights and $234 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Jan 22 - Mon, Jan 26
MCI
Kansas City
ATY
Watertown
$234 Roundtrip, found 4 days ago
$234
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jan 22 from Kansas City to Watertown, returning Mon, Jan 26, priced at $234 found 4 days ago
Delta
Tue, Jan 20 - Tue, Jan 27
MCI
Kansas City
ATY
Watertown
$264 Roundtrip, found 4 days ago
$264
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jan 20 from Kansas City to Watertown, returning Tue, Jan 27, priced at $264 found 4 days ago
United
Thu, Jan 22 - Mon, Jan 26
MCI
Kansas City
ATY
Watertown
$294 Roundtrip, found 4 days ago
$294
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jan 22 from Kansas City to Watertown, returning Mon, Jan 26, priced at $294 found 4 days ago
Delta
Wed, Dec 17 - Sun, Dec 21
MCI
Kansas City
ATY
Watertown
$324 Roundtrip, found 5 days ago
$324
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Dec 17 from Kansas City to Watertown, returning Sun, Dec 21, priced at $324 found 5 days ago
Delta
Tue, Jan 20 - Wed, Jan 28
MCI
Kansas City
ATY
Watertown
$329 Roundtrip, found 4 days ago
$329
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jan 20 from Kansas City to Watertown, returning Wed, Jan 28, priced at $329 found 4 days ago
Delta
Tue, Jan 20 - Sun, Jan 25
MCI
Kansas City
ATY
Watertown
$368 Roundtrip, found 4 days ago
$368
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jan 20 from Kansas City to Watertown, returning Sun, Jan 25, priced at $368 found 4 days ago
United
Tue, Jan 20 - Mon, Jan 26
MCI
Kansas City
ATY
Watertown
$388 Roundtrip, found 4 days ago
$388
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jan 20 from Kansas City to Watertown, returning Mon, Jan 26, priced at $388 found 4 days ago
United
Mon, Jan 19 - Fri, Jan 23
MCI
Kansas City
ATY
Watertown
$460 Roundtrip, found 4 days ago
$460
Roundtrip
found 4 days ago
Select United flight, departing Mon, Jan 19 from Kansas City to Watertown, returning Fri, Jan 23, priced at $460 found 4 days ago
United
Tue, Jan 20 - Fri, Jan 23
MCI
Kansas City
ATY
Watertown
$471 Roundtrip, found 4 days ago
$471
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jan 20 from Kansas City to Watertown, returning Fri, Jan 23, priced at $471 found 4 days ago
Delta
Thu, Jan 22 - Mon, Jan 26
MCI
Kansas City
ATY
Watertown
$612 Roundtrip, found 4 days ago
$612
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jan 22 from Kansas City to Watertown, returning Mon, Jan 26, priced at $612 found 4 days ago
Flights from Kansas City (MCI) to Watertown (ATY)
Origin airport
Kansas City Intl.
Destination airport
Watertown Regional
Roundtrip price
$233
Distance
408 mi

Kansas City to Watertown Flights

The cheapest times to fly from Kansas City to Watertown

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kansas City to Watertown are during the month of January. You can find some of the cheapest flights from Kansas City to Watertown with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kansas City to Watertown

Sunday is one of the best days to book for cheap flights from Kansas City to Watertown: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kansas City to Watertown

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kansas City to Watertown in 2026. You can also book with separate airlines for your outbound and return journeys, from $228 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kansas City to Watertown flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kansas City to Watertown airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kansas City Intl. Airport (MCI) to Watertown Regional Airport (ATY) cost?
Secure a cheap one-way flight from $228 or cheap return flight from $234 from Kansas City Intl. Airport (MCI) to Watertown Regional Airport (ATY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Kansas City Intl. Airport (MCI) to Watertown Regional Airport (ATY)?
Flying in January may help you find better deals, as it's the cheapest month for flights between MCI and ATY. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Kansas City Intl. Airport (MCI) to Watertown Regional Airport (ATY)?
To find the cheapest airline that'll fly you from MCI to ATY, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Kansas City Intl. Airport (MCI) to Watertown Regional Airport (ATY)?
There aren't any daily nonstop flights available from Kansas City Intl. Airport (MCI) to Watertown Regional Airport (ATY). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from MCI to ATY?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on various factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kansas City Intl. Airport (MCI) to Watertown Regional Airport (ATY)?
To avoid potential delays on the Kansas City Intl. Airport (MCI) to Watertown Regional Airport (ATY) route, fly before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Kansas City Intl. Airport (MCI) to Watertown Regional Airport (ATY) last-minute?
Last-minute fares from MCI to ATY are generally more expensive. For the best prices, start searching for flights as soon as possible. That being said, if you're flexible with your travel plans, it's possible to land a cheap fare just before your departure.
Is it cheaper to book a MCI to ATY flight and hotel package?
Compared with arranging hotels and flights separately, booking a MCI to ATY flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of stays, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Kansas City Intl. Airport (MCI) to Watertown Regional Airport (ATY)?
Usually, it's possible to cancel or reschedule your MCI to ATY flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.