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IAD (Washington) to IAH (Houston) Flights $215.83

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Cheap IAD to IAH Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.



Interesting Facts About Flights from Washington to Houston (IAD to IAH)

Question : Is there a preferred airline for getting to George Bush Intercontinental Airport (IAH) on time?
Answer : The current leader is United Airlines with a 77% on-time rate. Stick to United Airlines and you won't spend more time in airports than you have to. Note that if they do have a delay, it usually lasts about half an hour.

Question : In terms of overall promptness, how does IAD to IAH rank compared to the rest of the world?
Answer : The best measurement of overall promptness combines both on-time percentage and total delay minutes. IAD to IAH currently has 3 stars out of 5, an average score at best.

Question : Who struggles with getting their passengers to George Bush Intercontinental Airport (IAH) on time?
Answer : 100% of Trans States Airlines flights from Washington Dulles International Airport (IAD) to George Bush Intercontinental Airport (IAH) are delayed. If you’re on Trans States Airlines, be sure to sign up for the delay notifications to stay up to date with your flight’s status.

Question : Is there an alternative to Washington Dulles International Airport (IAD) for getting you to Houston?
Answer : Lucky for you, there is another airport near Dulles. Ronald Reagan National Airport (DCA) is 23 miles away, and over the upcoming months, flights are being priced 10% cheaper than flights from Washington Dulles International Airport.

Question : How long do most people stay in Houston?
Answer : Of course you're not most people, but if you were, you'd stay roughly five days.

Question : What day has the most flight time options?
Answer : When you’re flying from IAD to IAH, the day with the most flight times is Sunday, with seven different options. Friday currently offers the fewest number of flight times with only four options.

Question : How many departure times from Washington Dulles International Airport (IAD) to George Bush Intercontinental Airport (IAH) are there on a daily basis?
Answer : The number of flight times varies by day of the week, but on average, IAD to IAH sees five different choices. That is the same number of choices as the average route departing the United States.