IAH to IAD (Houston to Washington) Flights

Last Minute Flights from IAH to IAD

Flight deals found on Expedia within the last 12 hours

Cheap IAH to IAD Tickets Calendar

Lowest round trip prices customers recently found on Expedia

1. Choose a departure

2. Now choose a return date

Departure
Return

Current prices may differ due to duration or market changes

IAH to IAD Flight Details

Distance and aircraft type by airline for flights from George Bush Intercontinental Airport to Washington Dulles International Airport.

Distance 1,189.49 miles
Interesting Facts About Flights from Houston to Washington (IAH to IAD)
What airlines fly direct from IAH airport to IAD airport?
Each month there are several airlines that offer direct flights from Houston (IAH) to Washington (IAD). Among the top airlines that consistently provide IAH to IAD flights include:
  • United Airlines - (UA) with 480 direct flights between Houston and Washington monthly
  • Delta Air Lines - (DL) with 90 direct flights between IAH and IAD monthly
  • American Airlines - (AA) with 120 direct flights between Houston and Washington monthly
How long does it take to fly from IAH to IAD?
The total flight duration time from Houston (IAH) to Washington (IAD) is typically 7 hours 31 minutes. This is the average non-stop flight time based upon historical flights for this route. During this period travelers can expect to fly about 1,620 miles, or 2,608 kilometers.
How many flights are there from IAH to IAD per day?
With 3 different airlines operating flights between Houston and Washington, there are, on average, 720 flights per month. This equates to about 168 flights per week, and 24 flights per day from IAH to IAD.
How many morning flights are there from IAH to IAD?
  • United Airlines - (UA) lists, on average, 13 flights departing before 12:00pm, where the first departure from IAH is at 05:30AM and the last departure before noon is at 10:45AM
  • American Airlines - (AA) lists, on average, 3 flights departing before 12:00pm, where the first departure from IAH is at 06:14AM and the last departure before noon is at 09:55AM
  • Delta Air Lines - (DL) has about 2 flights before noon, starting with the earliest at 06:00AM PST and the latest 11:42AM PST
How many afternoon flights are available from Houston to Washington?
  • There are about 5 United Airlines flights between 12pm PST and 6pm PST, beginning at 12:55PM PST and the last afternoon flight at 04:45PM PST.
  • Between 12pm PST and 6pm there are, on average, 1 direct flights provided by American Airlines, where the earliest departing flight is at 02:15PM PST and the last departing flight is at 04:31PM PST.
  • Between 12pm PST and 6pm there are, on average, 2 direct flights provided by Delta Air Lines, where the earliest departing flight is at 12:50PM PST and the last departing flight is at 04:00PM PST.
What is the flight distance from Houston to Washington?
The calculated straight line flying distance from IAH airport to IAD airport is 1,620 miles, or 2,608 kilometers.
What is the earliest departure time out of Houston to Washington?
The earliest flight departs from IAH at 05:30AM and arrives at 01:48PM at IAD.
What is the latest flight available from IAH to IAD?
The latest departure time from IAH is scheduled at 04:45PM with an arrival time of 10:22PM at IAD.

Houston to Washington Flight Schedule

Scan through flights from George Bush Intercontinental Airport (IAH) to Washington Dulles International Airport (IAD) for the upcoming week. Sort the list by any column, and click on a dollar sign to see the latest prices available for each flight.

Flights.com only offers pricing for airlines that display a check fare on the days of the week each flight is available. A dot () indicates a flight is scheduled, but online booking is not currently available.

Houston to Washington Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Houston to Washington to attend your cousin’s wedding, to pitch a business idea to your boss, or perhaps simply to treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find the cheapest flights from IAH to IAD, we’ve got you covered here at Flights.com.

We present you with some of the hottest deals on airfare so stop that Google flights search. We want you to spend less on your flight from Houston to Washington, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.

Frequently Traveled Flights from Houston, Texas

Check out popular flights departing from Houston (IAH), and lock down the best airfare for your upcoming travel plans. Flights.com has researched and catalogued flights departing from Houston across many airlines, so quit waiting and book your trip with us!

Popular Flights from Washington, District of Columbia

Check out the best flights leaving from Washington airport and secure the lowest fares for your upcoming travel plans. Flights.com makes it easy to find flights departing from Washington (IAD) across many airlines, so stop waiting and book your trip with us!

Airlines

Check out popular airlines servicing Houston (IAH), and lock down the best fare for your upcoming travel plans. Flights.com makes it simple to find flights departing from George Bush Intercontinental Airport across many airlines, so quit waiting and book your trip with us!

Latest Blog Updates