Cheap Flights from Great Falls (GTF) to Watertown (ATY)

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Watertown, SD (ATY-Watertown Regional)

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Frequently asked questions

How much does a flight from Great Falls Intl. Airport (GTF) to Watertown Regional Airport (ATY) cost?
Get a cheap one-way flight or cheap return flight from Great Falls Intl. Airport (GTF) to Watertown Regional Airport (ATY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Great Falls Intl. Airport (GTF) to Watertown Regional Airport (ATY)?
Planning your trip for is a good way to save, as it's the cheapest month for flights between GTF and ATY. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Great Falls Intl. Airport (GTF) to Watertown Regional Airport (ATY)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest GTF to ATY flight.
How many flights per day from Great Falls Intl. Airport (GTF) to Watertown Regional Airport (ATY)?
There are no daily direct flights available from Great Falls Intl. Airport (GTF) to Watertown Regional Airport (ATY). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from GTF to ATY?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, such as the airline 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 Great Falls Intl. Airport (GTF) to Watertown Regional Airport (ATY)?
Book a flight from Great Falls Intl. Airport (GTF) to Watertown Regional Airport (ATY) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Great Falls Intl. Airport (GTF) to Watertown Regional Airport (ATY) last-minute?
Last-minute fares from GTF to ATY are typically more expensive. To lock in the lowest prices, start looking for flights well ahead of time. That said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book a GTF to ATY flight and hotel package?
You can save money by securing a GTF to ATY flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your preferred flights and accommodations, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Great Falls Intl. Airport (GTF) to Watertown Regional Airport (ATY)?
Typically, it's possible to cancel or reschedule your GTF 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 further details on our Customer Service portal.

Travel information

Origin airport
Great Falls Intl.
Destination airport
Watertown Regional
Distance
700 mi

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Great Falls to Watertown Flights

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

 

The best time to book a flight from Great Falls to Watertown

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

 

Great Falls to Watertown Flights

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