$315 Cheap Flights from Wilmington (ILM) to Watertown (ATY)

View $315 flight on Sat, Aug 9, 2025Opens in a new window

Popular airlines from Wilmington Intl. Airport (ILM) to Watertown, SD (ATY-Watertown Regional)

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Cheap Flights from Wilmington to Watertown (ILM-ATY)

Prices were available within the past 7 days and start at $315 for one-way flights and $279 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Aug 2 - Sun, Aug 10
ILM
Wilmington
ATY
Watertown
$279 Roundtrip, found 22 hours ago
$279
Roundtrip
found 22 hours ago
Select Delta flight, departing Sat, Aug 2 from Wilmington to Watertown, returning Sun, Aug 10, priced at $279 found 22 hours ago
Delta
Sat, Aug 2 - Thu, Aug 7
ILM
Wilmington
ATY
Watertown
$393 Roundtrip, found 22 hours ago
$393
Roundtrip
found 22 hours ago
Select Delta flight, departing Sat, Aug 2 from Wilmington to Watertown, returning Thu, Aug 7, priced at $393 found 22 hours ago
Delta
Sat, Aug 2 - Tue, Aug 5
ILM
Wilmington
ATY
Watertown
$398 Roundtrip, found 22 hours ago
$398
Roundtrip
found 22 hours ago
Select Delta flight, departing Sat, Aug 2 from Wilmington to Watertown, returning Tue, Aug 5, priced at $398 found 22 hours ago
Delta
Fri, Aug 1 - Sun, Aug 10
ILM
Wilmington
ATY
Watertown
$478 Roundtrip, found 22 hours ago
$478
Roundtrip
found 22 hours ago
Select Delta flight, departing Fri, Aug 1 from Wilmington to Watertown, returning Sun, Aug 10, priced at $478 found 22 hours ago
Delta
Wed, Jul 30 - Sun, Aug 10
ILM
Wilmington
ATY
Watertown
$482 Roundtrip, found 22 hours ago
$482
Roundtrip
found 22 hours ago
Select Delta flight, departing Wed, Jul 30 from Wilmington to Watertown, returning Sun, Aug 10, priced at $482 found 22 hours ago
Delta
Sat, Aug 2 - Mon, Aug 4
ILM
Wilmington
ATY
Watertown
$503 Roundtrip, found 22 hours ago
$503
Roundtrip
found 22 hours ago
Select Delta flight, departing Sat, Aug 2 from Wilmington to Watertown, returning Mon, Aug 4, priced at $503 found 22 hours ago
Delta
Sat, Aug 2 - Fri, Aug 8
ILM
Wilmington
ATY
Watertown
$523 Roundtrip, found 22 hours ago
$523
Roundtrip
found 22 hours ago
Select Delta flight, departing Sat, Aug 2 from Wilmington to Watertown, returning Fri, Aug 8, priced at $523 found 22 hours ago
Delta
Sat, Aug 2 - Sat, Aug 9
ILM
Wilmington
ATY
Watertown
$541 Roundtrip, found 22 hours ago
$541
Roundtrip
found 22 hours ago
Select Delta flight, departing Sat, Aug 2 from Wilmington to Watertown, returning Sat, Aug 9, priced at $541 found 22 hours ago
Delta
Mon, Jul 28 - Sun, Aug 10
ILM
Wilmington
ATY
Watertown
$542 Roundtrip, found 22 hours ago
$542
Roundtrip
found 22 hours ago
Select Delta flight, departing Mon, Jul 28 from Wilmington to Watertown, returning Sun, Aug 10, priced at $542 found 22 hours ago
Delta
Sun, Aug 3 - Sun, Aug 10
ILM
Wilmington
ATY
Watertown
$546 Roundtrip, found 22 hours ago
$546
Roundtrip
found 22 hours ago
Select Delta flight, departing Sun, Aug 3 from Wilmington to Watertown, returning Sun, Aug 10, priced at $546 found 22 hours ago
Delta
Thu, Jul 31 - Sun, Aug 10
ILM
Wilmington
ATY
Watertown
$556 Roundtrip, found 22 hours ago
$556
Roundtrip
found 22 hours ago
Select Delta flight, departing Thu, Jul 31 from Wilmington to Watertown, returning Sun, Aug 10, priced at $556 found 22 hours ago
Delta
Tue, Jul 29 - Sun, Aug 10
ILM
Wilmington
ATY
Watertown
$557 Roundtrip, found 22 hours ago
$557
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Jul 29 from Wilmington to Watertown, returning Sun, Aug 10, priced at $557 found 22 hours ago
Delta
Fri, Aug 1 - Thu, Aug 7
ILM
Wilmington
ATY
Watertown
$587 Roundtrip, found 22 hours ago
$587
Roundtrip
found 22 hours ago
Select Delta flight, departing Fri, Aug 1 from Wilmington to Watertown, returning Thu, Aug 7, priced at $587 found 22 hours ago
United
Thu, Jul 31 - Mon, Aug 4
ILM
Wilmington
ATY
Watertown
$673 Roundtrip, found 22 hours ago
$673
Roundtrip
found 22 hours ago
Select United flight, departing Thu, Jul 31 from Wilmington to Watertown, returning Mon, Aug 4, priced at $673 found 22 hours ago
American Airlines
Thu, Jul 31 - Thu, Aug 7
ILM
Wilmington
ATY
Watertown
$956 Roundtrip, found 22 hours ago
$956
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Thu, Jul 31 from Wilmington to Watertown, returning Thu, Aug 7, priced at $956 found 22 hours ago

Alternative airports near Watertown

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

Select flight to Watertown Regional ATY. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $478
ATY
Watertown Regional
CheapestClosest
Average driving time to city center6 min
Flights from $478
Flights from Wilmington (ILM) to Watertown (ATY)
Origin airport
Wilmington Intl.
Destination airport
Watertown Regional
Airlines serving
Delta, United
Roundtrip price
$278
Distance
1256 mi

Frequently asked questions

How much does a flight from Wilmington Intl. Airport (ILM) to Watertown Regional Airport (ATY) cost?
Discover the latest flight deals from ILM to ATY by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ILM to ATY?
The cheapest flights from ILM to ATY are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ILM to ATY?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ILM to ATY. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Wilmington Intl. Airport (ILM) to Watertown Regional Airport (ATY)?
There aren't any daily nonstop flights available from Wilmington Intl. Airport (ILM) to Watertown Regional Airport (ATY). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from ILM to ATY?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Wilmington Intl. Airport (ILM) to Watertown Regional Airport (ATY)?
To avoid potential delays on the Wilmington Intl. Airport (ILM) to Watertown Regional Airport (ATY) route, aim to travel before 3 PM. Departures after this time are 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.
Is it cheaper to buy a plane ticket from Wilmington Intl. Airport (ILM) to Watertown Regional Airport (ATY) last-minute?
Booking your ticket from ILM to ATY shortly before your trip is usually more expensive. But if you're flexible with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book an ILM to ATY flight and hotel package?
Compared with arranging hotels and flights separately, booking an ILM 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 planning your trip. Just pick your flights and choose from our wide range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Wilmington Intl. Airport (ILM) to Watertown Regional Airport (ATY)?
Generally, it's possible to reschedule or cancel your ILM to ATY flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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