American Airlines has round-trip flights from Dallas (DFW) to Washington, D.C. (DCA/IAD) for $179-$181, NONSTOP. Flights July to September. Mostly on Tuesdays, Wednesdays, or Saturdays. Origin/Destination reversible.

A Carry-on bag and also a personal item is allowed for free on American. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.

Read More Nonstop Flights: Dallas to/from Washington, D.C. $179-$181 r/t [July-September] (mostly: Tue, Wed, Sat) – American Airlines

Airfare Deals American Airlines D.C. Oneworld Washington

American Airlines has round-trip flights from Dallas (DFW) to Baltimore (BWI) for $139, NONSTOP. Flights August, September, and November. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible. No Thanksgiving dates.

A Carry-on bag and also a personal item is allowed for free on American. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.

Read More Nonstop Flights: Dallas to/from Baltimore $139 r/t [Aug, Sep, Nov] (Tue, Wed, Sat) (No Thanksgiving) – American Airlines

Airfare Deals American Airlines D.C. Oneworld Washington

Airfare Deals American Airlines D.C. Oneworld Star Alliance United Washington