Cheap Flights from Philadelphia (PHL) to Watertown (ATY)

Popular airlines from Philadelphia Intl. Airport (PHL) to Watertown, SD (ATY-Watertown Regional)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save on select hotels after you book a flight*
  • trophy illustration

    Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Frequently asked questions

Is it cheaper to buy a plane ticket from Philadelphia Airport to Watertown Regional Airport (ATY) last minute?
Booking your flight from Philadelphia Airport to ATY last minute could help you save if you happen to find a good deal. However, airfares don't typically get cheaper as the departure date nears. If you choose to wait, flights could also be booked up or the best seats taken. If you'd prefer to play it safe, book well ahead of when you want to leave. In fact, some of the best deals are available on Expedia up to a year in advance. If your favorite carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.
What airports do you fly into for Watertown from Philadelphia?
There are two options when jetting from Philadelphia to Watertown — Watertown Regional Airport (ATY) and Brookings, SD (BKX-Brookings Regional). If you arrive at Watertown Regional Airport (ATY) you'll be roughly 5 kilometers northwest of Watertown. Make tracks to your hotel, then venture out and experience the local sights! Lake Kampeska and Terry Redlin Museum are among this destination's popular attractions.
Can I change the date of my flight from Philadelphia Intl. Airport (PHL) to ATY?
You can make changes to your Philadelphia Intl. Airport (PHL) to Watertown Regional Airport (ATY) trip via the Expedia Trips portal. But before doing so, read over the rules and restrictions in your itinerary to learn what you can do and if any charges apply. Some airlines have a change fee per person, in addition to any difference in airfares. However, if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also swing by our Customer Service portal for further information and to chat with our Virtual Agent.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Watertown Regional
Distance
1867 km

Book with confidence