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Cheap IAH to IAD Flights

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

Houston to Washington route information

Origin Airport George Bush Intercontinental
Destination Airport Washington Dulles Intl.
Airlines Serving Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Flight Price $230
Distance 1,189 mi

Cheap IAH to IAD Flights

  • Question : Can I change the date of my flight?
    Answer : You sure can adjust your departure date and you may save by changing it. The lowest-cost day to fly in September is Tuesday. If you can go with the flow, you may just find that you can pocket some additional cash.
  • Question : Which airline has the least delays from Houston to Dulles?
    Answer : Booking with Shuttle America means you will arrive to Dulles around the time you were supposed to. In fact, this timely airline has a 100% average for landing before the plane turns into a pumpkin.
  • Question : What is the cheapest airline flying from Houston to Dulles?
    Answer : Flight prices are hitting as high as $1,219 over the next three months when flying to IAD from IAH. Check out United Airlines, as customers have been purchasing tickets at just $214.
  • Question : How long is the flight from IAH to IAD?
    Answer : If you're able to take the direct flight (which is offered by United Airlines), you will be able to leave IAH at 10:15 AM CDT and get to IAD at 2:03 PM EDT (two hours and 48 minutes). Remember, there is a one-hour time difference.
  • Question : What is the cheapest day to fly to Dulles?
    Answer : Sep 12th has bookings (as of Aug 19th) as cheap as $214. That comes in 40% below the average price. Saving now means you'll have more money to spend on your trip.
  • Question : How long does it take to fly from Houston to Dulles?
    Answer : United Airlines currently holds the shortest travel time with two hours and 48 minutes. For example, you would arrive in Dulles at 2:03 PM EDT if you left Houston at 10:15 AM CDT. Remember, there is a time change of one hour.
  • Question : What day of the week has the most flight time options?
    Answer : Thursday has the greatest variety of flight times for Houston to Dulles with 12. Monday currently offers the fewest number of flight times with eight options.

Houston to Sterling Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Houston to Sterling will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Sterling.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at, we’ll pair you up with IAH to IAD flights that won’t make your bank account wince. Ready to temporarily leave behind Houston for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to IAD with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.