$338 Cheap Flights from Buffalo (BUF) to Watertown (ATY)

View $338 flight on Tue, Oct 7, 2025Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Watertown, SD (ATY-Watertown Regional)

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Cheap Flights from Buffalo to Watertown (BUF-ATY)

Prices were available within the past 7 days and start at $338 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Watertown Regional Airport (ATY) cost?
Lock in a cheap one-way flight from $338 or cheap return flight from Buffalo Niagara Intl. Airport (BUF) 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 Buffalo Niagara Intl. Airport (BUF) to Watertown Regional Airport (ATY)?
is the least expensive month to fly from BUF to ATY. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Watertown Regional Airport (ATY)?
To find the cheapest airline flying from BUF 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 cheapest fares upfront.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Watertown Regional Airport (ATY)?
You'll have to hop on a flight with a layover when traveling from Buffalo Niagara Intl. Airport (BUF) to Watertown Regional Airport (ATY). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from BUF to ATY?
Typically you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Watertown Regional Airport (ATY)?
To touch down at Watertown Regional Airport (ATY) on schedule, select a flight that takes off from Buffalo Niagara Intl. Airport (BUF) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Buffalo Niagara Intl. Airport (BUF) to Watertown Regional Airport (ATY) last-minute?
Waiting until just before your departure to book a ticket from BUF to ATY generally means paying more. While you may come across some last-minute discounts, they're not always guaranteed. Keep your travel schedule open to boost your chances of snagging a bargain.
Is it cheaper to book a BUF to ATY flight and hotel package?
Securing a BUF to ATY flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our impressive range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Watertown Regional Airport (ATY)?
In most instances, you can cancel or reschedule your BUF to ATY flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want more details, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Watertown Regional
Distance
925 mi

Book with confidence

Book with confidence

Buffalo to Watertown Flights

The cheapest times to fly from Buffalo 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 Buffalo to Watertown are during the month of . You can find some of the cheapest flights from Buffalo to Watertown with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Watertown

Sunday is one of the best days to book for cheap flights from Buffalo 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 Buffalo 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 Buffalo to Watertown in 2025. You can also book with separate airlines for your outbound and return journeys, from $338 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 Buffalo 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 Buffalo 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.

 

Buffalo to Watertown Flights

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Explore a world of travel with Expedia

*Available to One Key members.