Round trip flights from Washington DC to Madrid for $381

American Airlines and partners Iberia, Finnair, and Expedia are offering round trip flights from Washington DC (DCA) to Madrid (MAD) for $381. This deal includes travel from October through April 2027 on basic economy tickets, which only allow a personal item and a carry-on bag, with no seat selection or changes. The prices are consistent for most dates, with a slight $5 increase for travel in January through April. To take advantage of this deal, book with Expedia or American Airlines using the specified dates. These fares provide a solid savings compared to typical prices for this route and time of year, making it a notable deal for budget-conscious travelers planning trips within the specified window.