Round trip flights between Boston and Washington DC for $117

American Airlines is offering round trip nonstop fares between Boston (BOS) and Washington DC (DCA) for $117. The fares are basic economy, allowing a personal item and a carry-on but no seat selection or changes. Travel dates are available from September through March 2027, with multiple departure options each month.

This deal provides a significant discount from the original price of $159, saving $42 or roughly 26%. Flights are restricted to basic economy, which is suitable for travelers comfortable with limited flexibility.

Booking with Expedia or American Airlines enables the deal. The variety of available dates makes this fare useful for flexible travelers seeking affordable nonstop options during the fall, winter, or early spring.