EUR/IE
Find cheap flights to Watertown, South Dakota in 2026/2027 from €642 This is the cheapest return flight found to Watertown, South Dakota from Ireland on FlightsFinder on June 12th 2026 at 04:03. This offer may no longer be available. Click the offer to check live prices & dates of travel.
Our Flight Finder compares the cheapest flights to Watertown, South Dakota from the most established flight comparison sites.
Fly to Watertown, South Dakota and visit sites like Bramble Park Zoo, Redlin Art Center, Lake Kampeska & The Codington County Heritage Museum.
1. Enter your search requirements for Watertown, South Dakota
2. Compare the best Watertown, South Dakota deals from top comparison engines
3. Book your Watertown, South Dakota flight at the cheapest price
These economy flights were found on FlightsFinder from Ireland to Watertown, South Dakota in the last few days. Prices subject to availability.
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These economy flights were found on FlightsFinder from Ireland to Watertown, South Dakota in the last few days. Prices subject to availability.
No flights found for this month.
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According to our data, October is on average the cheapest time to book flights to Watertown, South Dakota.
You can get flights from €642 return.
According to our data, July is on average the most expensive time to book flights to Watertown, South Dakota.
A return flight could set you back more than €777.
Located in the heart of the Midwest, Watertown, South Dakota offers a charming blend of small-town hospitality and modern amenities. Known for its picturesque landscapes, including beautiful lakes and lush greenery, Watertown provides a peaceful escape for visitors seeking tranquility and outdoor activities. History enthusiasts will appreciate the city's rich heritage, showcased in its historic downtown area and museums. With a thriving arts scene, delicious local cuisine, and friendly locals, Watertown invites travelers to explore its hidden gems and experience genuine Midwestern hospitality at every turn. Uncover the unexpected in this quaint yet vibrant city nestled in the prairies of South Dakota.
A good price for a flight to Watertown is €578 - €706.
The popular airports near Watertown, South Dakota are Watertown Regional Airport (ATY), Sioux Falls Regional Airport (FSD), and Fargo Hector International Airport (FAR).
The flight to Watertown, South Dakota (ATY) is roughly 9 hours 5 minutes and 3,863 miles (6,217 kilometres) from Dublin, Ireland - Dublin International Airport (DUB).
The best way is to compare flights to Watertown, South Dakota from leading comparison sites using our search engine dashboard.
We have currently found no direct flights to Watertown, South Dakota.
Here is the average weather forecast in Watertown, South Dakota by month:
• Jan: -6°C
• Feb: -4°C
• Mar: 4°C
• Apr: 13°C
• May: 20°C
• Jun: 25°C
• Jul: 29°C
• Aug: 28°C
• Sep: 22°C
• Oct: 15°C
• Nov: 5°C
• Dec: -3°C
The main airport in Watertown, South Dakota is approximately 6 miles from the city center.
Typically, flights are cheapest to Watertown, South Dakota 2 months before departure.
Studies show flights to Watertown, South Dakota are typically cheaper on Tuesdays and Wednesdays.
17.4 °C
Sun, 14 Jun 2026
Average Temperature
-6°C
Jan
-4°C
Feb
4°C
Mar
13°C
Apr
20°C
May
25°C
Jun
29°C
Jul
28°C
Aug
22°C
Sep
15°C
Oct
5°C
Nov
-3°C
Dec
Dublin, Ireland - Dublin International Airport (DUB) to Watertown, South Dakota (ATY)
Distance:
3,863 miles (6,217 kilometres)
Average flight time (direct 9 hours 5 minutes)
Shannon, Ireland - Shannon International Airport (SNN) to Watertown, South Dakota (ATY)
Distance:
3,794 miles (6,105 kilometres)
Average flight time (direct 8 hours 55 minutes)
Knock, Ireland - Ireland West Airport (NOC) to Watertown, South Dakota (ATY)
Distance:
3,756 miles (6,045 kilometres)
Average flight time (direct 8 hours 50 minutes)
Cork, Ireland - Cork International Airport (ORK) to Watertown, South Dakota (ATY)
Distance:
3,840 miles (6,179 kilometres)
Average flight time (direct 9 hours 1 minute)
Kerry, Ireland - Kerry Airport (KIR) to Watertown, South Dakota (ATY)
Distance:
3,790 miles (6,099 kilometres)
Average flight time (direct 8 hours 55 minutes)
Donegal, Ireland - Donegal Airport (CFN) to Watertown, South Dakota (ATY)
Distance:
3,735 miles (6,010 kilometres)
Average flight time (direct 8 hours 47 minutes)
Waterford, Ireland - Waterford Airport (WAT) to Watertown, South Dakota (ATY)
Distance:
3,878 miles (6,242 kilometres)
Average flight time (direct 9 hours 7 minutes)
From Dublin (DUB), Ireland to Watertown, United States (ATY): €642
Depart: 07 Oct 2026 · Return: 11 Oct 2026 Price found 12 Jun 2026, 04:03
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