iad-to-hou

 

The cheapest times to fly from IAD to HOU are

  • August 6th to February 25th (except the weeks of November 19th, November 26th, and December 17th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from IAD to HOU is early December. Prices can be as high as $1624 for Sunday flights during early to mid May, or as low as $274 for Tuesday flights around early December.

 

When to Fly to Houston

Flying from Washington, DC (IAD) to Houston, TX (HOU) will usually cost between $284 to $578 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $311. Due to high demand the most expensive time to fly is early to mid May, with an average price of $833. Planning your trip to low-cost times can easily save you $522 on economy flights and even more on first-class flights. Generally, any price below $382 can be considered a good price for a round-trip IAD to HOU flight.

See below for a graph of average weekly prices for the IAD to HOU route. All prices are for round-trip tickets in USD.

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IAD to HOU Flight Prices

Compared to other flights, the IAD to HOU flight is much cheaper than the average and costs much less than the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.2, which is below average.

 

Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to HOU, and Wednesday the cheapest day to fly back into IAD. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $98 (21%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $358. Return trip prices are from the HOU to IAD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

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Departure Day Prices

Return Trip Prices by Day

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Return Day Prices

 

Nonstop Flights and Layovers

Travelers looking to fly from IAD to HOU can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 8 minutes may not be realistic.

 

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from IAD to HOU while comparing.

Destination alternative #1: Austin – Bergstrom International Airport (AUS) in Austin, TX

  • 148 miles (238 km) away from HOU
  • Usually 10.21% less expensive than HOU
  • Nonstop flights available

See IAD to AUS flights

Destination alternative #2: Jack Brooks Regional Airport (BPT) in Beaumont/Port Arthur, TX

  • 78 miles (126 km) away from HOU
  • Usually 7.79% less expensive than HOU
  • 1-layover flights available

See IAD to BPT flights

Destination alternative #3: George Bush Intercontinental/Houston Airport (IAH) in Houston, TX

  • 24 miles (39 km) away from HOU
  • Usually 5.89% less expensive than HOU
  • Nonstop flights available

See IAD to IAH flights

 

Flight Questions Answered

Still have questions about flying from IAD to HOU? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: American, Delta, Qantas, Southwest, United, and potentially more during busy seasons.

How far away is it from William P Hobby Airport to Washington Dulles International Airport?

The distance between the two airports is roughly 1200 miles or 1931 kilometers.

How long does it take to fly from IAD to HOU?

The real-world flight time for a nonstop IAD to HOU flight is about 3 hour 8 minutes.

How many flights go between Washington, DC and Houston, TX?

It depends on the day of the week and the date, but a typical day might have around 67 available flights from IAD to HOU.

 

Airport Location Info

 

Departing Airport

Origination code IAD
Origination airport name Washington Dulles International Airport
City Washington, DC
Country the United States
Latitude 38.9
Longitude -77.5

Return Airport

Destination code HOU
Destination airport name William P Hobby Airport
City Houston, TX
Country the United States
Latitude 29.6
Longitude -95.3

 

Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.