Cheap flights from Washington D.C. to Houston

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Flight deals from Washington D.C. to Houston

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Houston? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington D.C. to Houston

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

Direct flights from Washington D.C. to Houston

Alternative Washington D.C. to Houston routes

Looking for the cheapest, fastest or easiest route from Washington D.C. to Houston? You could fly into the following airports instead.

Washington D.C. to Houston: Flight information

The things to know before you go.
Cheapest flight found$60
Cheapest month to flyMay
Average flight time3 hrs, 30 mins
Most popular airlineSouthwest Airlines
Average flights per week435

Finding cheap flights from Washington D.C. to Houston: Frequently asked questions

There are 4 airports in Houston: Houston Hobby, Houston George Bush Intercntl., Houston Ellington Field, and Galveston.
The best price we found for a return flight from Washington D.C. to Houston is $136. 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.
3 hours and 30 minutes is the average flight time from Washington D.C. to Houston.
Southwest Airlines, United and Air New Zealand fly direct from Washington D.C. to Houston.
As of February 2026, there are 435 flights per week flying from Washington D.C. to Houston.
The cheapest month to fly from Washington D.C. to Houston is usually April.
If you're flying from Washington D.C., the cheapest airport near Houston is Houston George Bush Intercntl. – which is 25.0 km away from the centre of Houston. We've found flights into this airport from $136.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Houston on Friday, 3 April 2026.
Yes – the average flight time is 3 hours and 30 minutes.
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 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.
In February, the average temperature is usually around 13°C. August is typically the warmest month in Houston, when it usually averages around 34°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 6°C. The rainiest month is June.
The cheapest airline that flies to Houston is Spirit Airlines .

Travelling from Washington DC to Houston: what you need to know

  • Kick off your journey at one of Washington DC's main airports, Ronald Reagan National Airport (DCA) or Washington Dulles International Airport (IAD). Check out your options for booking a flight from Washington DC to Houston jetting off from either of these.

  • When it comes to touching down in Houston, George Bush Intercontinental Airport (IAH) is a key hub. Another is William P. Hobby Airport (HOU).

  • The average length of a direct Washington DC to Houston flight is 3 hours 20 minutes.

  • Houston's timezone is UTC-5, making Houston one hour behind Washington DC.

  • Ronald Reagan National Airport (DCA) to George Bush Intercontinental Airport (IAH) is the most popular route between these two cities. There are 47 departures a week to choose from. If you have things to do before heading off, the last flight from Washington DC to Houston is with United Airlines at 19:59. Opt for the first DCA to IAH departure with United Airlines at 06:00 to make the most of your arrival in Houston.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to board your Washington DC to Houston flight.

  • You can expect longer lines in popular months like July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will help ensure a smooth travel experience.

How to find the cheapest flights from Washington DC to Houston

  • $60 is the lowest price for a one-way ticket from Washington DC to Houston. A return flight starts from $136. These prices may change depending on availability and demand.

  • Get cheap Washington DC to Houston flights by booking two months ahead. According to our research, that's the ideal time frame for finding the biggest deals.

  • May is the best month for nabbing an incredible deal on a plane ticket from Washington DC to Houston. If you'd like to travel during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • There's no need to search every day to see if prices have dropped when you create a Price Alert. We'll let you know the moment there's a better deal on cheap flights from Washington DC to Houston.

  • Tailor your trip using filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' Washington DC to Houston flights.

Flying from Washington DC

Ronald Reagan National Airport (DCA)

  • You can book a direct flight from Washington DC to Houston jetting out of Ronald Reagan National Airport (DCA). Set out from DCA and then land at George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU).

  • Reserve your Washington DC to Houston plane tickets with United Airlines. This airline is a popular option for direct flights from DCA.

  • Travelling from central Washington DC to DCA takes about 45 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 6 kilometres in 15 minutes or so, depending on traffic.

  • After a hassle-free start to your journey? Stay near Ronald Reagan National Airport. Whether you're taking an early flight from Washington DC to Houston or just don't want to be rushed, these hotels are the answer:

  • Of all flights leaving Ronald Reagan National Airport, 76.44% land on schedule at their destination.

  • DCA's address is 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Rather fly from Washington Dulles International Airport (IAD)? This hub offers direct flights from Washington DC to Houston, seamlessly connecting you to George Bush Intercontinental Airport (IAH).

  • Book your direct Washington DC to Houston plane ticket with United Airlines. This is one of the leading airlines that operates this route out of IAD.

  • You can reach IAD from central Washington DC in about 50 minutes by car (depending on traffic conditions). The journey on public transport will take roughly 1 hour 10 minutes to travel the 40 kilometres or so.

  • It's your holiday, so why not spend an extra night away from home? Think about staying at one of these hotels near Washington Dulles International Airport the day before your flight from Washington DC to Houston:

  • Washington Dulles International Airport has an on-time performance rate of 74%. This figure highlights how often flights departing from this airport make it to their destination on time.

  • You'll find IAD at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Baltimore/Wash International Thurgood Marshall Airport (BWI) has direct flights from Washington DC to Houston. Go straight to George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU) without the hassle of layovers.

  • Soar above the clouds with any of these airlines that offer direct Washington DC to Houston plane tickets from BWI:

  • From the centre of Washington DC, BWI is around 40 kilometres away. It'll take you roughly 50 minutes to reach the airport by car and 1 hour 30 minutes or so if you use public transport.

  • Skip the rush on your departure day — stay near Baltimore/Wash International Thurgood Marshall Airport and know you'll reach the terminal with time to spare. Get settled at one of these hotels the day before if you're catching an early Washington DC to Houston flight:

  • The on-time performance rating of BWI is 77.13%. To put it simply, that's how often flights departing this airport arrive at their final stop as planned.

Arriving in Houston

George Bush Intercontinental Airport (IAH)

William P. Hobby Airport (HOU)

  • Central Houston is about 16 kilometres from William P. Hobby Airport (HOU). As soon as your flight from Washington DC to Houston has landed and you've made your way to arrivals, expect a drive of about 20 minutes.

  • If you hop on public transport, the ride to the centre will take you 1 hour 40 minutes or so.

  • You'll find some great places to lay your head close to HOU. Tuck yourself in after your Washington DC to Houston flight at any of these well-located options:

  • The quickest way to reach your destination is with a William P. Hobby Airport rental car. Pick up your wheels from Easirent, Dollar or Thrifty and be off and running.

  • Lock in the lowest price by reserving your ride from HOU four weeks ahead of time. You'll also have access to a wider range of vehicles.

  • You'll find William P. Hobby Airport at 7800 Airport Boulevard.

Best time to go to Houston

  • February is the quietest month for flights from Washington DC to Houston, while July is the busiest. Pick the ideal time to go to Houston based on whether you like a laid-back vibe or a lively atmosphere.

  • The warmest month in Houston is August, with temperatures ranging between 24ºC (75ºF) and 40ºC (104ºF). Lock in your Washington DC to Houston ticket then if that's your ideal forecast.

  • January sees average temperatures of between 5ºC (41ºF) and 19ºC (66ºF). Look for cheap flights from Washington DC to Houston around that time if you want to travel when it's cooler.

More about Houston

Explore more of United States

  • San Antonio is just one of the many cities in United States waiting to be explored after you've seen Houston. Around 306 kilometres to the west, top sights here include The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral.

  • Around 370 kilometres north of Houston, Dallas is another essential stop in United States. Get a taste of what this destination has to offer at 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.