Cheap flight tickets from Washington Dulles to Houston Hobby

Compare Washington Dulles to Houston Hobby flight deals

Find the cheapest month or even day of the year to fly to Houston Hobby

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Flight deals from Washington Dulles to Houston Hobby

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Houston Hobby Airport? If you want to travel next month, return fares start from RM1,071. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Dulles to Houston Hobby

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Houston Hobby flights are currently cheapest in May.

Washington Dulles to Houston Hobby: Alternative routes

Compare routes from Washington Dulles to Houston below. You may find an airport to fly into that's cheaper, faster, or easier than Houston Hobby.

Washington D.C. to Houston: Flight information

The things to know before you go.
Cheapest flight foundRM534
Cheapest month to flyMay

Finding cheap flights from Washington Dulles to Houston Hobby: Frequently asked questions

The best price we found for a return flight from Washington Dulles to Houston Hobby is RM1,071. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Washington Dulles to Houston Hobby. But we found flights with one or more stops from RM1,071.
As of April 2026, there are no flights flying from Washington Dulles to Houston Hobby.
The cheapest month to fly from Washington Dulles to Houston Hobby is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Houston Hobby Airport on Tuesday, 12 May 2026.
No airlines currently offer direct flights between Washington Dulles Airport and Houston Hobby Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston Hobby but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Houston Hobby.

Flying from Washington Dulles International Airport (IAD) to William P. Hobby Airport (HOU): what you need to know

  • Houston is one hour behind Washington DC and is in the UTC-5 timezone.

  • Your IAD to HOU flight won't wait if you're late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Be prepared for longer lines during popular months like April. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a smart move.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Washington Dulles International Airport to William P. Hobby Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to visit your chosen city. Stopovers between IAD and HOU include:

    • Louis Armstrong New Orleans International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Nashville International Airport

How to find the cheapest flights from Washington Dulles International Airport (IAD) to William P. Hobby Airport (HOU)

  • At the moment, RM534 is the cheapest price we've seen for a one-way Washington Dulles International Airport to William P. Hobby Airport flight. The best price for a return ticket is RM1,071. Remember that fares may change due to availability when booking.

  • Don't leave everything to the last minute. You're more likely to get cheap tickets from IAD to HOU if you book early. Airlines often have some amazing early bird rates.

  • The 'Whole month' tool shows you the cheapest flights from Washington Dulles International Airport to William P. Hobby Airport throughout the entire month. It's an easy way to snap up a bargain if your travel dates are flexible.

  • Getting your hands on cheap flights from IAD to HOU couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as a lower fare pops up.

  • Secure the perfect flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Washington Dulles International Airport to William P. Hobby Airport, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and number of stops.

Handy information about Washington Dulles International Airport (IAD)

  • You'll find IAD at 1 Saarinen Circle.

  • 74.39% of flights that take off from Washington Dulles International Airport arrive at their destination on time.

  • Washington Dulles International Airport is about 56 kilometres from central Washington DC. If you're driving, catching a cab or ride-sharing from the centre, it'll take 50 minutes or so to get there, depending on the traffic.

  • You can expect a trip time of around 3 hours 25 minutes when using public transport.

  • Looking for a convenient hotel near IAD? If you're catching an early flight from Washington Dulles International Airport to William P. Hobby Airport, these accommodation options will put you moments from your departure gate:

Arriving at William P. Hobby Airport (HOU)

Getting from William P. Hobby Airport (HOU) to central Houston

  • You'll find HOU at 7800 Airport Boulevard.

  • William P. Hobby Airport is roughly 19 kilometres from central Houston. Driving there takes about 20 minutes.

  • It takes around 1 hour 40 minutes to get there using public transport.

When to fly to William P. Hobby Airport (HOU)

  • It's time to choose your trip dates for your flight from Washington Dulles International Airport to William P. Hobby Airport. July is the busiest month to head to Houston. If you prefer a more laid-back vibe, go in April.

  • Lock in your flight from Washington Dulles International Airport to William P. Hobby Airport for August if you want to explore Houston during its warmest month. Expect temperatures of between 24ºC (75ºF) and 40ºC (104ºF).

  • For cooler conditions, search for a cheap ticket from IAD to HOU in January. Temperatures average between 5ºC (41ºF) and 19ºC (66ºF) then.

Explore more of United States

  • San Antonio is just one of the many places in United States waiting to be explored once you've seen the sights of Houston. Around 306 kilometres away to the west, well-known attractions include The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral.

  • Dallas is another essential stop in United States and is around 370 kilometres north of Houston. No journey is complete without a visit to Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.