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Houston (IAH) to Washington (DCA) flights
There are direct flights from George Bush Intercontinental Houston Airport to Ronald Reagan Washington National 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 IAH → DCASee all routes on the map1,942 kmdistance
~2h 50mdirect flight time (estimate)
1direct airline
31one-stop options
Direct flights from Houston to Washington
| Route | Airlines (incl. codeshares) | Distance | Time (est.) |
|---|---|---|---|
| IAH → DCA | 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 Frontier Airlines then American Airlines and United Airlines | 2,473 km | ~5h 40m |
| DFW Dallas-Fort Worth | American Airlines and United Airlines then American Airlines | 2,277 km | ~5h 25m |
| ATL Atlanta | Air France and ITA Airways then Air France and Aeromexico | 1,988 km | ~5h 5m |
| CLT Charlotte | American Airlines and United Airlines then American Airlines | 1,999 km | ~5h 5m |
| PHL Philadelphia | American Airlines and United Airlines then American Airlines | 2,321 km | ~5h 30m |
| CLE Cleveland | United Airlines then United Airlines | 2,254 km | ~5h 25m |
| STL St. Louis | United Airlines then American Airlines and Southwest Airlines | 2,230 km | ~5h 25m |
| BNA Nashville | United Airlines then American Airlines and Southwest Airlines | 1,959 km | ~5h 5m |
| DTW Detroit | United Airlines then American Airlines | 2,382 km | ~5h 35m |
| AUS Austin | United Airlines then Southwest Airlines | 2,340 km | ~5h 30m |
| MSY New Orleans | Air Canada and Lufthansa then American Airlines and Southwest Airlines | 2,049 km | ~5h 10m |
| RDU Raleigh-durham | United Airlines then American Airlines | 2,040 km | ~5h 10m |
More from Houston and Washington
- Washington (DCA) to Houston (IAH) · return route
- All direct flights from Houston (IAH)
- All direct flights from Washington (DCA)
- Houston to Istanbul (IST)
- Houston to Amsterdam (AMS)
- Houston to Paris (CDG)
- Houston to Frankfurt (FRA)
- Houston to Dubai (DXB)
- Houston to Beijing (PEK)
- Houston to Chicago (ORD)
- Houston to Dallas-Fort Worth (DFW)
- Houston to Rome (FCO)
- Houston to Munich (MUC)
- Houston to London (LHR)
- Houston to Atlanta (ATL)
- Chicago (ORD) to Washington
- Dallas-Fort Worth (DFW) to Washington
- Atlanta (ATL) to Washington
- New York (JFK) to Washington
- Newark (EWR) to Washington
- Denver (DEN) to Washington
- Toronto (YYZ) to Washington
- Los Angeles (LAX) to Washington
- Miami (MIA) to Washington
- Charlotte (CLT) to Washington
- Las Vegas (LAS) to Washington
- Philadelphia (PHL) to Washington
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.