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IAD (Washington) to IAH (Houston) Flights $256.39

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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 : How often are flights late from Washington Dulles International Airport (IAD) to George Bush Intercontinental Airport (IAH)?
Answer : This particular route gets passengers to George Bush Intercontinental Airport on time 73% of the time, which puts it in the top half of the world. If a flight is late, though, expect an average of 39 minutes added to your flight time.

Question : Are you paying the cheapest or highest price for your ticket to Houston?
Answer : Ranging from $177 to $1,510, prices for IAD to IAH do fluctuate more than most routes in the United States. Remember, the sooner you book, the more you'll be able to save.

Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : Saturday is your lowest-cost day to fly in October. Being flexible with your travel days garners even more savings during booking.

Question : Best case scenario, how quickly can someone get from IAD to IAH?
Answer : The shortest direct flight is three hours and 26 minutes via United Airlines. If you catch the 5:45 PM EDT departure, you'll arrive at 8:11 PM CDT (remember, there is a time change of one hour).

Question : Which airline is offering the cheapest flight from IAD to IAH?
Answer : Flight prices are hitting highs of $1,510 over the next three months when flying to IAH from IAD. Check out United Airlines, as they have been booking customers at just $177.

Question : Should you take that vacation to Houston in the next 30 days?
Answer : As of Sep 25th, the best day for booking to Houston (IAH) is Oct 21st. It costs $221, which is 44% below the average price to book the same route.

Question : Which airline can you expect delays with on this route?
Answer : 100% of Trans States Airlines flights from Washington Dulles International Airport (IAD) to George Bush Intercontinental Airport (IAH) are late. If you should choose this airline, be sure to track the flight status to stay on top of the departure time.