$810 Cheap Flights from Santiago (SCL) to Watertown (ATY)

View $810 flight on Mon, Jan 12, 2026Opens in a new window

Popular airlines from Santiago Intl. Airport (SCL) to Watertown, SD (ATY-Watertown Regional)

Cheap Flights from Santiago to Watertown (SCL-ATY)

Prices were available within the past 7 days and start at $810 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Santiago (SCL) to Watertown (ATY)
Origin airport
Arturo Merino Benitez
Destination airport
Watertown Regional
Distance
5658 mi

Santiago to Watertown Flights

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

 

The best time to book a flight from Santiago to Watertown

Sunday is one of the best days to book for cheap flights from Santiago 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 Santiago 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 Santiago to Watertown in 2025. You can also book with separate airlines for your outbound and return journeys, from $810 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 Santiago 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 Santiago 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 Arturo Merino Benitez Airport (SCL) to Watertown Regional Airport (ATY) cost?
Get a cheap one-way flight from $810 or cheap return flight from Arturo Merino Benitez Airport (SCL) 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 Arturo Merino Benitez Airport (SCL) to Watertown Regional Airport (ATY)?
is the cheapest month to fly from SCL to ATY. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from Arturo Merino Benitez Airport (SCL) to Watertown Regional Airport (ATY)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SCL to ATY flight.
How many flights per day from Arturo Merino Benitez Airport (SCL) to Watertown Regional Airport (ATY)?
You'll have to take a flight with a layover when traveling from Arturo Merino Benitez Airport (SCL) to Watertown Regional Airport (ATY). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from SCL to ATY?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a number of factors, including 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 Arturo Merino Benitez Airport (SCL) to Watertown Regional Airport (ATY)?
To arrive at Watertown Regional Airport (ATY) on schedule, opt for a flight that leaves from Arturo Merino Benitez Airport (SCL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Arturo Merino Benitez Airport (SCL) to Watertown Regional Airport (ATY) last-minute?
Booking your plane ticket from SCL to ATY right before your trip is usually more expensive. However, if you're flexible with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a SCL to ATY flight and hotel package?
Compared with arranging hotels and flights separately, booking a SCL to ATY flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place takes the hassle out of travel planning. Simply pick your flights and choose from our extensive range of stays, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Arturo Merino Benitez Airport (SCL) to Watertown Regional Airport (ATY)?
If you booked your SCL to ATY flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

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*Available to One Key members.