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Washington (DCA) to Houston (IAH) flights
There are direct flights from Ronald Reagan Washington National Airport to George Bush Intercontinental Houston Airport, sold by one airline: United Airlines. The distance is 1,942 km, about 2h 50m in the air. There are also 31 one-stop options, via airports such as Chicago, Dallas-Fort Worth and Atlanta.
Live fares for DCA → IAHSee all routes on the map1,942 kmdistance
~2h 50mdirect flight time (estimate)
1direct airline
31one-stop options
Direct flights from Washington to Houston
| Route | Airlines (incl. codeshares) | Distance | Time (est.) |
|---|---|---|---|
| DCA → IAH | United Airlines | 1,942 km | ~2h 50m |
Best one-stop connections
Through the biggest hubs first. Times include about 100 minutes to change planes.
| Via | Airlines | Distance | Time (est.) |
|---|---|---|---|
| ORD Chicago | American Airlines and United Airlines then American Airlines and United Airlines | 2,473 km | ~5h 40m |
| DFW Dallas-Fort Worth | American Airlines then American Airlines and United Airlines | 2,277 km | ~5h 25m |
| ATL Atlanta | Air France and Aeromexico then Air France and ITA Airways | 1,988 km | ~5h 5m |
| CLT Charlotte | American Airlines then American Airlines and United Airlines | 1,999 km | ~5h 5m |
| PHL Philadelphia | American Airlines then American Airlines and United Airlines | 2,321 km | ~5h 30m |
| CLE Cleveland | United Airlines then United Airlines | 2,254 km | ~5h 25m |
| STL St. Louis | American Airlines and Southwest Airlines then United Airlines | 2,230 km | ~5h 25m |
| BNA Nashville | American Airlines then United Airlines | 1,959 km | ~5h 5m |
| DTW Detroit | American Airlines then United Airlines | 2,382 km | ~5h 35m |
| AUS Austin | Southwest Airlines then United Airlines | 2,340 km | ~5h 30m |
| MSY New Orleans | American Airlines then Air Canada and Lufthansa | 2,049 km | ~5h 10m |
| RDU Raleigh-durham | American Airlines then United Airlines | 2,040 km | ~5h 10m |
More from Washington and Houston
- Houston (IAH) to Washington (DCA) · return route
- All direct flights from Washington (DCA)
- All direct flights from Houston (IAH)
- Washington to Chicago (ORD)
- Washington to Dallas-Fort Worth (DFW)
- Washington to Atlanta (ATL)
- Washington to New York (JFK)
- Washington to Newark (EWR)
- Washington to Denver (DEN)
- Washington to Toronto (YYZ)
- Washington to Los Angeles (LAX)
- Washington to Miami (MIA)
- Washington to Charlotte (CLT)
- Washington to Las Vegas (LAS)
- Washington to Philadelphia (PHL)
- Istanbul (IST) to Houston
- Amsterdam (AMS) to Houston
- Paris (CDG) to Houston
- Frankfurt (FRA) to Houston
- Dubai (DXB) to Houston
- Beijing (PEK) to Houston
- Chicago (ORD) to Houston
- Dallas-Fort Worth (DFW) to Houston
- Rome (FCO) to Houston
- Munich (MUC) to Houston
- London (LHR) to Houston
- Atlanta (ATL) to Houston
Routes come from current airline fares, updated weekly (last update 9 November 2026), plus older schedule data for airports with few recent fares. “Direct” can include a few same-plane flights with a stop. Flight times are estimates from distance. Always check with the airline before booking.