Washington (DCA) to Houston (HOU) flights
One airline flies nonstop from Washington (DCA) to Houston (HOU): Southwest Airlines. The two airports are 1,217 miles (1,958 km) apart. There are also 40 ways to fly it with one stop, through Knoxville, Jackson and Birmingham and more.
Airlines flying nonstop from DCA to HOU
- Southwest AirlinesNot in an allianceWho books it
DCA to HOU with one stop
40 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Knoxville (TYS)American Airlines and Delta Air Lines, then Allegiant Air
- Via Jackson (JAN)American Airlines, then Southwest Airlines
- Via Birmingham (BHM)American Airlines and Delta Air Lines, then Southwest Airlines
- Via Nashville (BNA)Southwest Airlines the whole way
- Via Atlanta (ATL)Delta Air Lines and Southwest Airlines the whole way
- Via Memphis (MEM)American Airlines and Delta Air Lines, then Southwest Airlines
- Via Charlotte (CLT)American Airlines, then Southwest Airlines
- Via New Orleans (MSY)Southwest Airlines the whole way
- Via Louisville (SDF)American Airlines, then Southwest Airlines
- Via Raleigh/Durham (RDU)American Airlines and Delta Air Lines, then Southwest Airlines
- Via Little Rock (LIT)American Airlines, then Southwest Airlines
- Via Pensacola (PNS)American Airlines, then Southwest Airlines
- Via Fort Walton Beach (VPS)American Airlines, then Southwest Airlines
- Via Columbus (CMH)Southwest Airlines the whole way
- Via Pittsburgh (PIT)American Airlines, then Southwest Airlines
DCA to HOU: common questions
Which airlines fly nonstop from DCA to HOU?
Southwest Airlines flies nonstop from Washington (DCA) to Houston (HOU).
How far is Washington from Houston by plane?
Washington (DCA) and Houston (HOU) are 1,217 miles (1,958 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does DCA to HOU cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for DCA to HOU with taxes and fees.
Where can I connect between Washington and Houston?
The most direct connections are through Knoxville (TYS), Jackson (JAN), Birmingham (BHM), Nashville (BNA) and Atlanta (ATL). On 15 of them the same airline flies both flights, for example Southwest Airlines through Nashville.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.