Routes · From DCA

Washington (DCA) to Houston (IAH) flights

Nonstop from Ronald Reagan Washington National to George Bush Intercontinental: distance, flying time, which airlines fly it and how often.

Distance

1,942km

1,207 mi, great circle

Flying time

2h 59m

typical, gate to gate

Flights a day

average, November 2026

Airlines

passenger airlines

Airlines flying DCA to IAH

Also in the data (cargo, charter or a foreign airline on a domestic route): Mesa Airlines.

Route map

The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.

Cheapest recent fare

Fares found in recent searches load here. You can also compare DCA to IAH fares by month.

Both directions

Related guides

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Closest Airport to Galveston Cruise Terminal: IAH vs HOU

The closest airport to the Galveston cruise terminal is Hobby (HOU), about 42 miles away. See how it compares with IAH on cost, time and flight options.

October 15, 2026

Frequently asked questions

How long is the flight from Washington to Houston?

About 2h 59m gate to gate for the 1,942 km (1,207 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.

Which airlines fly nonstop from DCA to IAH?

American Airlines and United Airlines, with about 10 flights a day between them in our data (AeroDataBox, November 2026).