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What is the earliest departure time out of Washington to Houston?

Compare & reserve one-way or return flights from Washington to Houston from only to get the best flight deals and promotions for your DCA to IAH trip!

Amazing DCA to IAH Flight Deals The cheapest flights to George Bush Intercontinental found within the past 7 days were 78 round trip and 45 one way.

Prices and availability subject to change. Additional terms may apply. Each month there are several airlines that offer direct flights from Washington (DCA) to Houston (IAH). Among the top airlines that consistently provide DCA to IAH flights include: American Airlines - (AA) with direct flights between Washington and Houston monthly; Delta Air Lines - (DL) with direct flights between DCA and IAH monthly.

Sort the list by any column, and click on a dollar sign to see the latest prices available for each flight.

Currently, there is only one airline operating non-stop flights from Washington DCA to Houston IAH, which is United Airlines. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.

Click an airline below to view their DCA IAH flight schedule. What are the top airlines offering flights from DCA to IAH? United Airlines, Brussels Airlines, Swiss International Air Lines.

How many weekly flights operate between DCA and IAH? There are 75 weekly flights between DCA and IAH. How many daily flights fly between Washington National and Houston Intercontinental? There are 15 daily flights between DCA and IAH. Which is the busiest day in terms.