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Washington (IAD) to Houston (IAH) flights
There are direct flights from Washington Dulles International Airport to George Bush Intercontinental Houston Airport, sold by one airline: United Airlines. The distance is 1,913 km, about 2h 50m in the air. There are also 29 one-stop options, via airports such as Chicago, Dallas-Fort Worth and Atlanta.
Live fares for IAD → IAHSee all routes on the map1,913 kmdistance
~2h 50mdirect flight time (estimate)
1direct airline
29one-stop options
Direct flights from Washington to Houston
| Route | Airlines (incl. codeshares) | Distance | Time (est.) |
|---|---|---|---|
| IAD → IAH | United Airlines | 1,913 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 | United Airlines then American Airlines and United Airlines | 2,436 km | ~5h 40m |
| DFW Dallas-Fort Worth | American Airlines and United Airlines then American Airlines and United Airlines | 2,244 km | ~5h 25m |
| ATL Atlanta | Air France and Aeromexico then Air France and ITA Airways | 1,967 km | ~5h 5m |
| CLT Charlotte | American Airlines and United Airlines then American Airlines and United Airlines | 1,984 km | ~5h 5m |
| PHL Philadelphia | United Airlines then American Airlines and United Airlines | 2,346 km | ~5h 30m |
| CLE Cleveland | United Airlines then United Airlines | 2,219 km | ~5h 20m |
| STL St. Louis | United Airlines then United Airlines | 2,193 km | ~5h 20m |
| BNA Nashville | United Airlines then United Airlines | 1,928 km | ~5h |
| DTW Detroit | United Airlines then United Airlines | 2,347 km | ~5h 30m |
| AUS Austin | United Airlines then United Airlines | 2,310 km | ~5h 30m |
| MSY New Orleans | Air Canada and Lufthansa then Air Canada and Lufthansa | 2,026 km | ~5h 10m |
| RDU Raleigh-durham | United Airlines then United Airlines | 2,036 km | ~5h 10m |
More from Washington and Houston
- Houston (IAH) to Washington (IAD) · return route
- All direct flights from Washington (IAD)
- All direct flights from Houston (IAH)
- Washington to Istanbul (IST)
- Washington to Amsterdam (AMS)
- Washington to Paris (CDG)
- Washington to Frankfurt (FRA)
- Washington to Dubai (DXB)
- Washington to Beijing (PEK)
- Washington to Chicago (ORD)
- Washington to Dallas-Fort Worth (DFW)
- Washington to Madrid (MAD)
- Washington to Rome (FCO)
- Washington to Munich (MUC)
- Washington to London (LHR)
- 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.