$254 Cheap Flights from Grand Junction (GJT) to Watertown (ATY)

View $254 flight on Mon, Oct 20, 2025Opens in a new window

Popular airlines from Grand Junction Regional Airport (GJT) to Watertown, SD (ATY-Watertown Regional)

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Cheap Flights from Grand Junction to Watertown (GJT-ATY)

Prices were available within the past 7 days and start at $254 for one-way flights and $274 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Oct 22 - Sat, Oct 25
GJT
Grand Junction
ATY
Watertown
$274 Roundtrip, just found
$274
Roundtrip
just found
Select United flight, departing Wed, Oct 22 from Grand Junction to Watertown, returning Sat, Oct 25, priced at $274 just found
United
Wed, Oct 22 - Sat, Oct 25
GJT
Grand Junction
ATY
Watertown
$344 Roundtrip, just found
$344
Roundtrip
just found
Select United flight, departing Wed, Oct 22 from Grand Junction to Watertown, returning Sat, Oct 25, priced at $344 just found
United
Wed, Oct 22 - Sat, Oct 25
GJT
Grand Junction
ATY
Watertown
$444 Roundtrip, just found
$444
Roundtrip
just found
Select United flight, departing Wed, Oct 22 from Grand Junction to Watertown, returning Sat, Oct 25, priced at $444 just found
United
Wed, Oct 8 - Sat, Oct 11
GJT
Grand Junction
ATY
Watertown
$548 Roundtrip, found 13 hours ago
$548
Roundtrip
found 13 hours ago
Select United flight, departing Wed, Oct 8 from Grand Junction to Watertown, returning Sat, Oct 11, priced at $548 found 13 hours ago
United
Wed, Oct 8 - Sat, Oct 11
GJT
Grand Junction
ATY
Watertown
$671 Roundtrip, found 13 hours ago
$671
Roundtrip
found 13 hours ago
Select United flight, departing Wed, Oct 8 from Grand Junction to Watertown, returning Sat, Oct 11, priced at $671 found 13 hours ago
Delta
Wed, Oct 22 - Sat, Oct 25
GJT
Grand Junction
ATY
Watertown
$681 Roundtrip, just found
$681
Roundtrip
just found
Select Delta flight, departing Wed, Oct 22 from Grand Junction to Watertown, returning Sat, Oct 25, priced at $681 just found
Delta
Wed, Oct 22 - Sat, Oct 25
GJT
Grand Junction
ATY
Watertown
$721 Roundtrip, just found
$721
Roundtrip
just found
Select Delta flight, departing Wed, Oct 22 from Grand Junction to Watertown, returning Sat, Oct 25, priced at $721 just found
Delta
Wed, Oct 22 - Sat, Oct 25
GJT
Grand Junction
ATY
Watertown
$777 Roundtrip, just found
$777
Roundtrip
just found
Select Delta flight, departing Wed, Oct 22 from Grand Junction to Watertown, returning Sat, Oct 25, priced at $777 just found
Delta
Wed, Oct 8 - Sat, Oct 11
GJT
Grand Junction
ATY
Watertown
$800 Roundtrip, found 13 hours ago
$800
Roundtrip
found 13 hours ago
Select Delta flight, departing Wed, Oct 8 from Grand Junction to Watertown, returning Sat, Oct 11, priced at $800 found 13 hours ago
Delta
Wed, Oct 22 - Sat, Oct 25
GJT
Grand Junction
ATY
Watertown
$816 Roundtrip, just found
$816
Roundtrip
just found
Select Delta flight, departing Wed, Oct 22 from Grand Junction to Watertown, returning Sat, Oct 25, priced at $816 just found

Frequently asked questions

How much does a flight from Grand Junction Regional Airport (GJT) to Watertown Regional Airport (ATY) cost?
Grab a cheap one-way flight from $254 or cheap return flight from $274 from Grand Junction Regional Airport (GJT) to Watertown Regional Airport (ATY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Grand Junction Regional Airport (GJT) to Watertown Regional Airport (ATY)?
Traveling in October is a great way to save, as it's the cheapest month for flights between GJT and ATY. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Grand Junction Regional Airport (GJT) to Watertown Regional Airport (ATY)?
To find the cheapest airline flying from GJT to ATY, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Grand Junction Regional Airport (GJT) to Watertown Regional Airport (ATY)?
You'll need to book a flight with a layover if you're traveling from Grand Junction Regional Airport (GJT) to Watertown Regional Airport (ATY). There are no daily direct flights 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 GJT to ATY?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Grand Junction Regional Airport (GJT) to Watertown Regional Airport (ATY)?
Book a flight from Grand Junction Regional Airport (GJT) to Watertown Regional Airport (ATY) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this 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 Grand Junction Regional Airport (GJT) to Watertown Regional Airport (ATY) last-minute?
Holding off until just before your trip to book your flight from GJT to ATY often results in higher prices. While it's possible to find some last-minute discounts, there's no guarantee. Be flexible with your travel plans to maximize your chances of landing a bargain.
Is it cheaper to book a GJT to ATY flight and hotel package?
You can save money by booking a GJT to ATY flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your ideal flights and accommodations, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Grand Junction Regional Airport (GJT) to Watertown Regional Airport (ATY)?
You can usually cancel or reschedule your GJT to ATY flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Grand Junction Regional
Destination airport
Watertown Regional
Airlines serving
Delta, United
Roundtrip price
$273
Distance
706 mi

Book with confidence

Book with confidence

Grand Junction to Watertown Flights

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

 

The best time to book a flight from Grand Junction to Watertown

Sunday is one of the best days to book for cheap flights from Grand Junction 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 Grand Junction 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 Grand Junction to Watertown in 2025. You can also book with separate airlines for your outbound and return journeys, from $254 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 Grand Junction 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 Grand Junction 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.

 

Grand Junction to Watertown Flights

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*Available to One Key members.