IAD - IAH Price
|
$236 - $377
|
IAH Temperature
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59 - 86 °F
|
Popular in May High demand for flights, 16% potential price rise |
Cheapest in August Best time to find cheap flights, 25% potential price drop |
Round-trip from $236 From Washington Dulles Intl to Houston |
One-way from $110 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 44 days in advance to save up to 26% 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 44 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 $118, or $157 for flights within the next 24 hours.
February is one of the best times of the year to fly to Houston from Washington Dulles Intl. Prices for February average $134 per person but you can even find prices for as low as $68. The most expensive prices can be found in the month of December. Opting for a February flight can save you 46% on your journey compared to booking in February
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.
The chart below displays the airlines Cheapflights users traveling from Washington Dulles Intl to Houston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
---|---|---|---|---|---|---|
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$80 | $205 | No cancel fee | 65% | ||
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$115 | $231 | No cancel fee | 62% | ||
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$167 | $293 | No cancel fee | N/A | ||
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$146 | $326 | No cancel fee | 71% | ||
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$254 | $399 | No cancel fee | 69% |
Afternoon Noon to 6 PM | 51% of IAD to IAH departures |
Early morning Midnight to 6 AM | 30% of IAD to IAH departures |
Morning 6 AM to noon | 19% of IAD to IAH departures |
Evening 6 PM to midnight | 0% of IAD to IAH departures |