$374 Cheap American Airlines flights Washington (DCA) to Watertown (ART)

Scoring cheap one-way American Airlines flights from DCA to ART from $374 on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $363 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Begin your search one to three months ahead of your travel date to find cheaper fares on American Airlines flights from Ronald Reagan Washington National Airport (DCA) to Watertown Intl. Airport (ART). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

Search American Airlines's earliest flights from DCA to ART by using the "Morning" and "Early Morning" filters. Not only will you get to your destination sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.