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Cheap flights from Washington, D.C. to Houston

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Compare Washington, D.C. to Houston flight deals

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Flight deals from Washington, D.C. to Houston

Looking for a cheap last-minute deal or the best round-trip flight from Washington, D.C. to Houston? Find the lowest prices on one-way and round-trip tickets right here.
Houston.C$143 per passenger.Departing Wed, Jun 4, returning Tue, Jun 10.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Baltimore Washington International on Wed, Jun 4, arriving in Houston George Bush Intercntl..Inbound direct flight with Spirit Airlines departing from Houston George Bush Intercntl. on Tue, Jun 10, arriving in Baltimore Washington International.Price includes taxes and charges.From C$143, select.
Houston.C$185 per passenger.Departing Thu, Aug 21, returning Tue, Aug 26.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Baltimore Washington International on Thu, Aug 21, arriving in Houston George Bush Intercntl..Inbound direct flight with Spirit Airlines departing from Houston George Bush Intercntl. on Tue, Aug 26, arriving in Baltimore Washington International.Price includes taxes and charges.From C$185, select.
Houston.C$185 per passenger.Departing Sat, May 31, returning Wed, Aug 27.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Baltimore Washington International on Sat, May 31, arriving in Houston George Bush Intercntl..Inbound indirect flight with Spirit Airlines, departing from Houston George Bush Intercntl. on Wed, Aug 27, arriving in Baltimore Washington International.Price includes taxes and charges.From C$185, select.
Houston.C$188 per passenger.Departing Tue, Jun 17, returning Wed, Jul 2.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Baltimore Washington International on Tue, Jun 17, arriving in Houston George Bush Intercntl..Inbound indirect flight with Spirit Airlines, departing from Houston George Bush Intercntl. on Wed, Jul 2, arriving in Baltimore Washington International.Price includes taxes and charges.From C$188, select.
Houston.C$199 per passenger.Departing Sat, May 31, returning Sat, Jun 7.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Baltimore Washington International on Sat, May 31, arriving in Houston George Bush Intercntl..Inbound indirect flight with Spirit Airlines, departing from Houston George Bush Intercntl. on Sat, Jun 7, arriving in Baltimore Washington International.Price includes taxes and charges.From C$199, select.
Houston.C$206 per passenger.Departing Fri, Oct 31, returning Sat, Nov 8.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Baltimore Washington International on Fri, Oct 31, arriving in Houston George Bush Intercntl..Inbound direct flight with Spirit Airlines departing from Houston George Bush Intercntl. on Sat, Nov 8, arriving in Baltimore Washington International.Price includes taxes and charges.From C$206, select.
Houston.C$206 per passenger.Departing Mon, Sep 29, returning Wed, Oct 1.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Baltimore Washington International on Mon, Sep 29, arriving in Houston George Bush Intercntl..Inbound direct flight with Spirit Airlines departing from Houston George Bush Intercntl. on Wed, Oct 1, arriving in Baltimore Washington International.Price includes taxes and charges.From C$206, select.
Houston.C$206 per passenger.Departing Wed, Nov 5, returning Sun, Nov 9.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Baltimore Washington International on Wed, Nov 5, arriving in Houston George Bush Intercntl..Inbound direct flight with Spirit Airlines departing from Houston George Bush Intercntl. on Sun, Nov 9, arriving in Baltimore Washington International.Price includes taxes and charges.From C$206, select.

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 June.
May
from C$220
Jun
from C$143
Jul
from C$220
Aug
from C$185
Sep
from C$206
Oct
from C$206
Nov
from C$206
Dec
from C$375
Jan
from C$401
Feb
from C$401
Mar
from C$402
Apr
from C$375

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 foundC$143
Cheapest month to flyJune
Average flight time3 hrs, 22 mins
Most popular airlineSouthwest Airlines
Average flights per week402

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 round-trip flight from Washington, D.C. to Houston is C$143. 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 21 minutes is the average flight time from Washington, D.C. to Houston.
United, Southwest Airlines and Air New Zealand fly direct from Washington, D.C. to Houston.
There are 1,612 flights per week flying from Washington, D.C. to Houston, as of May 2025.
The cheapest month to fly from Washington, D.C. to Houston is usually May 2025.
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 center of Houston. We've found flights to this airport from C$143.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington, D.C. to Houston on Wednesday, June 4, 2025.
Yes – the average flight time is 3 hours and 22 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 May, the average temperature is usually around 25°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.

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

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

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

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

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

  • With 47 flights a week between the two airports, Ronald Reagan National Airport (DCA) to George Bush Intercontinental Airport (IAH) is the busiest route. Board the first flight from Washington DC to Houston with United Airlines at 06:00. If you prefer to get more out of your day before you fly, the last departure from DCA to IAH is with United Airlines at 19:55.

  • For a stress-free start to your trip, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to catch your Washington DC to Houston flight.

  • Peak months like February or vacation periods such as spring break and Thanksgiving will mean longer waits at security and check-in. Play it safe and get to the terminal even earlier. Arriving two hours before a domestic flight and four hours ahead of international departures is a smart move.

How to find the cheapest flights from Washington DC to Houston

  • C$78 is the lowest price for a one-way ticket from Washington DC to Houston. A return flight starts from C$143. 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)

  • Depart from Ronald Reagan National Airport (DCA) and fly right through to George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU). If you're looking for a direct flight from Washington DC to Houston out of DCA, that's where your journey can take you.

  • United Airlines is a leading airline that offers direct Washington DC to Houston plane tickets leaving from DCA.

  • Located around 6 kilometres from the centre of Washington DC, DCA can be reached in about 15 minutes by car, depending on traffic. The journey on public transport will take roughly 45 minutes.

  • After a leisurely start to your journey? Stay near Ronald Reagan National Airport. Whether you have an early flight from Washington DC to Houston or want to avoid feeling rushed, these hotels are perfect:

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

  • You'll find DCA at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • You can book a direct flight from Washington DC to Houston departing Washington Dulles International Airport (IAD). Nonstop connections from IAD will get you to George Bush Intercontinental Airport (IAH).

  • United Airlines offers direct Washington DC to Houston plane tickets from IAD. Book your favourite window seat and reach your destination in one go.

  • You can get to IAD from the centre of Washington DC in about 50 minutes by car (depending on traffic). The ride on public transport takes roughly 1 hour 10 minutes to cover the 40 kilometres or so.

  • Get your vacation started early with an extra night away from home. Before your flight from Washington DC to Houston, kick back in one of these hotels close to Washington Dulles International Airport:

  • As far as flight punctuality goes, Washington Dulles International Airport has an on-time arrival performance of 74.39%.

  • You'll find IAD at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • You can catch a direct flight from Washington DC to Houston departing from Baltimore/Wash International Thurgood Marshall Airport (BWI). BWI has nonstop connections to George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU).

  • Fly with one of these leading carriers that offer direct Washington DC to Houston plane tickets from BWI:

  • The journey time to BWI from central Washington DC is around 1 hour 30 minutes by public transport. If you're planning to travel by car, it'll take you about 50 minutes to cover the 40 kilometres or so.

  • Rest a little longer, move a little slower, and still make your Washington DC to Houston flight with time to spare. These hotels near Baltimore/Wash International Thurgood Marshall Airport make departure day a breeze if you're flying out first thing:

  • Flights that take off from BWI land at their destination as scheduled 77.13% of the time.

Arriving in Houston

George Bush Intercontinental Airport (IAH)

William P. Hobby Airport (HOU)

  • William P. Hobby Airport (HOU) is about 16 kilometres from the centre of Houston. Once you've hopped off your flight from Washington DC to Houston, it takes approximately 20 minutes to reach the heart of the city in a ride-share or cab.

  • If you travel by public transport, the journey will take you 1 hour 40 minutes or so.

  • There are some comfortable places to lay your head close to HOU. Tuck yourself in after your Washington DC to Houston flight at any of these perfectly located options:

  • Easirent, Dollar and Thrifty make collecting a William P. Hobby Airport rental car easy and quick. These trusted companies are located in or around the terminal and will get you on your way in no time.

  • Get what you want, not just what's left over. Securing your ride from HOU four weeks ahead of time often means lower prices and a wider range of vehicles.

  • William P. Hobby Airport can be found 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.

Plan the rest of your trip from Washington, D.C. to Houston

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