Houston (HOU) to Washington (DCA) flights
One airline flies nonstop from Houston (HOU) to Washington (DCA): 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 HOU to DCA
- Southwest AirlinesNot in an allianceWho books it
HOU to DCA with one stop
40 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Knoxville (TYS)Allegiant Air, then American Airlines and Delta Air Lines
- Via Jackson (JAN)Southwest Airlines, then American Airlines
- Via Birmingham (BHM)Southwest Airlines, then American Airlines and Delta Air Lines
- Via Nashville (BNA)Southwest Airlines the whole way
- Via Atlanta (ATL)Delta Air Lines and Southwest Airlines the whole way
- Via Memphis (MEM)Southwest Airlines, then American Airlines and Delta Air Lines
- Via Charlotte (CLT)Southwest Airlines, then American Airlines
- Via New Orleans (MSY)Southwest Airlines the whole way
- Via Louisville (SDF)Southwest Airlines, then American Airlines
- Via Raleigh/Durham (RDU)Southwest Airlines, then American Airlines and Delta Air Lines
- Via Little Rock (LIT)Southwest Airlines, then American Airlines
- Via Pensacola (PNS)Southwest Airlines, then American Airlines
- Via Fort Walton Beach (VPS)Southwest Airlines, then American Airlines
- Via Columbus (CMH)Southwest Airlines the whole way
- Via Pittsburgh (PIT)Southwest Airlines, then American Airlines
HOU to DCA: common questions
Which airlines fly nonstop from HOU to DCA?
Southwest Airlines flies nonstop from Houston (HOU) to Washington (DCA).
How far is Houston from Washington by plane?
Houston (HOU) and Washington (DCA) 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 HOU to DCA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for HOU to DCA with taxes and fees.
Where can I connect between Houston and Washington?
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.