Cheap Flights from Watertown (ATY) to Denver (APA)

Popular airlines from Watertown, SD (ATY-Watertown Regional) to Denver, CO (APA-Centennial)

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $340
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $340
Flights from Watertown (ATY) to Denver (APA)
Origin airport
Watertown Regional
Destination airport
Centennial
Distance
539 mi

Watertown to Denver Flights

The cheapest times to fly from Watertown to Denver

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

 

The best time to book a flight from Watertown to Denver

Sunday is one of the best days to book for cheap flights from Watertown to Denver: 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 Watertown to Denver

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 Watertown to Denver 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 Watertown to Denver 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 Watertown to Denver 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 Watertown Regional Airport (ATY) to Centennial Airport (APA) cost?
Lock in a cheap one-way flight or cheap return flight from Watertown Regional Airport (ATY) to Centennial Airport (APA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Watertown Regional Airport (ATY) to Centennial Airport (APA)?
The cheapest month to fly from ATY to APA is , when there's less demand. Off-peak season is usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Watertown Regional Airport (ATY) to Centennial Airport (APA)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ATY to APA flight.
How many flights per day from Watertown Regional Airport (ATY) to Centennial Airport (APA)?
There are no daily nonstop flights departing from Watertown Regional Airport (ATY) to Centennial Airport (APA). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from ATY to APA?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Watertown Regional Airport (ATY) to Centennial Airport (APA)?
Opt for a flight from Watertown Regional Airport (ATY) to Centennial Airport (APA) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this are on average 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.
What airports do you fly into for Denver from Watertown Regional Airport (ATY)?
Denver Intl. Airport (DEN) is the only airport in Denver with direct flights from Watertown Regional Airport (ATY). Check out your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Watertown Regional Airport (ATY) to Centennial Airport (APA) last-minute?
Last-minute fares from ATY to APA are typically more expensive. To lock in the lowest prices, start searching for flights as soon as possible. That said, if you're flexible with your travel plans, you may find a cheap fare right before your journey.
Is it cheaper to book an ATY to APA flight and hotel package?
You can save money by securing an ATY to APA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected 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 Watertown Regional Airport (ATY) to Centennial Airport (APA)?
Generally, it's possible to reschedule or cancel your ATY to APA flight. However, if the booking was 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 whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.