IAD - IAH
$279 - $367
59 - 86 °F
|Popular in||August||High demand for flights, 9% potential price rise|
|Cheapest in||October||Best time to find cheap flights, 17% potential price drop|
|Round-trip from||€279||From Washington Dulles Intl to Houston|
|One-way from||€99||One-way flight from Washington Dulles Intl to Houston|
Saturday flights are found to be more expensive to fly from Washington Dulles Intl to Houston. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Houston.
Travelers have found it’s best to book a flight 27 days in advance to save up to 43% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 27 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington Dulles Intl to Houston 1-2 weeks in advance for as low as $167, or $207 for flights within the next 24 hours.
October is one of the best times of the year to fly to Houston from Washington Dulles Intl. Prices for October average $162 per person but you can even find prices for as low as $74. The most expensive prices can be found in the month of January. Opting for a October flight can save you 21% on your journey compared to booking in October
It’s typically best to fly out from Washington Dulles Intl to Houston at noon. Doing so could potentially save you 12% on the flight price compared to flying in the evening, which is usually more expensive.
|Afternoon Noon to 6 PM||59% of IAD to IAH departures|
|Morning 6 AM to noon||24% of IAD to IAH departures|
|Early morning Midnight to 6 AM||17% of IAD to IAH departures|
|Evening 6 PM to midnight||0% of IAD to IAH departures|