$271 Cheap Flights from Buffalo (BUF) to Watertown (ATY)

View $271 flight on Sat, Sep 27, 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 $271 for one-way flights and $259 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Sep 24 - Mon, Oct 6
BUF
Buffalo
ATY
Watertown
$259 Roundtrip, found 18 hours ago
$259
Roundtrip
found 18 hours ago
Select Delta flight, departing Wed, Sep 24 from Buffalo to Watertown, returning Mon, Oct 6, priced at $259 found 18 hours ago
Delta
Wed, Sep 24 - Tue, Oct 7
BUF
Buffalo
ATY
Watertown
$299 Roundtrip, found 18 hours ago
$299
Roundtrip
found 18 hours ago
Select Delta flight, departing Wed, Sep 24 from Buffalo to Watertown, returning Tue, Oct 7, priced at $299 found 18 hours ago
Delta
Fri, Sep 26 - Mon, Oct 6
BUF
Buffalo
ATY
Watertown
$319 Roundtrip, found 18 hours ago
$319
Roundtrip
found 18 hours ago
Select Delta flight, departing Fri, Sep 26 from Buffalo to Watertown, returning Mon, Oct 6, priced at $319 found 18 hours ago
Delta
Fri, Sep 26 - Tue, Oct 7
BUF
Buffalo
ATY
Watertown
$359 Roundtrip, found 18 hours ago
$359
Roundtrip
found 18 hours ago
Select Delta flight, departing Fri, Sep 26 from Buffalo to Watertown, returning Tue, Oct 7, priced at $359 found 18 hours ago
Delta
Fri, Sep 26 - Sun, Oct 5
BUF
Buffalo
ATY
Watertown
$379 Roundtrip, found 18 hours ago
$379
Roundtrip
found 18 hours ago
Select Delta flight, departing Fri, Sep 26 from Buffalo to Watertown, returning Sun, Oct 5, priced at $379 found 18 hours ago
Delta
Sat, Sep 27 - Mon, Oct 6
BUF
Buffalo
ATY
Watertown
$393 Roundtrip, found 18 hours ago
$393
Roundtrip
found 18 hours ago
Select Delta flight, departing Sat, Sep 27 from Buffalo to Watertown, returning Mon, Oct 6, priced at $393 found 18 hours ago
Delta
Wed, Aug 27 - Tue, Sep 9
BUF
Buffalo
ATY
Watertown
$413 Roundtrip, found 1 day ago
$413
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug 27 from Buffalo to Watertown, returning Tue, Sep 9, priced at $413 found 1 day ago
Delta
Wed, Sep 24 - Wed, Oct 1
BUF
Buffalo
ATY
Watertown
$416 Roundtrip, found 18 hours ago
$416
Roundtrip
found 18 hours ago
Select Delta flight, departing Wed, Sep 24 from Buffalo to Watertown, returning Wed, Oct 1, priced at $416 found 18 hours ago
Delta
Sat, Sep 27 - Tue, Oct 7
BUF
Buffalo
ATY
Watertown
$433 Roundtrip, found 18 hours ago
$433
Roundtrip
found 18 hours ago
Select Delta flight, departing Sat, Sep 27 from Buffalo to Watertown, returning Tue, Oct 7, priced at $433 found 18 hours ago
United
Tue, Aug 26 - Sun, Sep 7
BUF
Buffalo
ATY
Watertown
$445 Roundtrip, found 1 day ago
$445
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 26 from Buffalo to Watertown, returning Sun, Sep 7, priced at $445 found 1 day ago
Flights from Buffalo (BUF) to Watertown (ATY)
Origin airport
Buffalo Niagara Intl.
Destination airport
Watertown Regional
Airlines serving
Delta, United
Roundtrip price
$258
Distance
925 mi

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 September. 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 $271 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.

 

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 $271 or cheap return flight from $259 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)?
September 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.

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*Available to One Key members.