$128 Find Cheap Flights from Washington Dulles Airport to Houston - Compare and Save

These are the earliest and latest flight times available from Washington, D.C. Dulles Intl Airport to Houston:

• Earliest: departs at 6:00 am and lands at 9:39 am
• Latest: departs at 10:54 pm and lands at 2:33 am.

The flight takes about 3h 39m.

Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Houston:

• Economy Class
• First Class

A nonstop flight from Washington, D.C. Dulles Intl Airport to Houston takes 3h 39m, covering 1,199 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Washington, D.C. Dulles Intl Airport to Houston range from $349 to $569, with an average of $458 over the past 12 months. Anything below $349 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 24% above the $458 route average. Book 22 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $229 round-trip via Detroit Metropolitan Wayne County (DTW), compared to $491 for nonstop.

United Airlines is the only airline operating Washington, D.C. Dulles Intl Airport to Houston flights. 89% of its flights are on time.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Morning is the busiest departure period on Washington, D.C. Dulles Intl Airport to Houston flights, with 40% of flights leaving in that window. Afternoon departures account for 40%, evening flights for 20%, and night flights for 0%.

JetBlue is the only airline on the Washington, D.C. Dulles Intl Airport to Houston route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from Washington, D.C. Dulles Intl Airport to Houston are currently lower than usual. Average one-way flight prices are about $139, which is 41% below the typical average for this route.

Since Houston is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Houston George Bush Intcntl Airport (IAH) — daily rates averaging $40:

• ACO Rent A Car
• Easirent
• America Car Rental
• Thrifty
• Hertz

Near Houston Hobby Airport (HOU) — daily rates averaging $69:

• Thrifty
• Dollar
• Alamo
• Hertz
• Ace

Flights from Washington, D.C. Dulles Intl Airport to Houston usually depart from Washington, D.C. Dulles Intl (IAD) and may arrive at several airports in Houston area, including Houston Hobby (HOU) and Houston George Bush Intcntl (IAH).

Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Washington, D.C. Dulles Intl Airport to Houston route, 11% of flights were delayed in the past 3 months, with delays averaging 2h 43m.

One-stop flights from Washington, D.C. Dulles Intl Airport to Houston most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 81% of one-stop connections
• Charlotte Douglas (CLT) - 7% of one-stop connections
• Dallas/Fort Worth (DFW) - 6% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 3% of one-stop connections

Yes. Flexible dates can save you up to 19% on flights from Washington, D.C. Dulles Intl Airport to Houston. Thursday is the cheapest departure day at $402 round-trip on average, while Monday is the most expensive at $492, a difference of $90.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only United Airlines operates flights between Washington, D.C. Dulles Intl Airport and Houston.

Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 5h 55m, compared with 6h 10m via Detroit Metropolitan Wayne County (DTW) and 7h 03m via Charlotte Douglas (CLT).

Houston is 1 hour behind Washington, D.C. Dulles Intl Airport (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Houston are George R. Brown Convention Center, Daikin Park and Houston Stadium. These are among the most viewed places in Houston on KAYAK.

Among airlines operating Washington, D.C. Dulles Intl Airport to Houston flights:

• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.