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Cheap flights from Washington, D.C. to Houston George Bush Intercntl.

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Flight deals from Washington, D.C. to Houston George Bush Intercntl. Airport

Looking for a cheap last-minute deal or the best round-trip flight from Washington, D.C. to Houston George Bush Intercntl. Airport? If you want to travel next month, round-trip fares start from $96. Find the lowest prices on one-way and round-trip tickets right here.
Houston.$96 per passenger.Departing Tue, Apr 7, returning Tue, Apr 14.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Baltimore Washington International on Tue, Apr 7, arriving in Houston George Bush Intercntl..Inbound direct flight with Spirit Airlines departing from Houston George Bush Intercntl. on Tue, Apr 14, arriving in Baltimore Washington International.Price includes taxes and charges.From $96, select.
Houston.$108 per passenger.Departing Sat, May 9, returning Tue, May 12.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Baltimore Washington International on Sat, May 9, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departing from Houston George Bush Intercntl. on Tue, May 12, arriving in Baltimore Washington International.Price includes taxes and charges.From $108, select.
Houston.$128 per passenger.Departing Tue, Apr 28, returning Tue, May 5.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Baltimore Washington International on Tue, Apr 28, arriving in Houston George Bush Intercntl..Inbound direct flight with Spirit Airlines departing from Houston George Bush Intercntl. on Tue, May 5, arriving in Baltimore Washington International.Price includes taxes and charges.From $128, select.
Houston.$171 per passenger.Departing Tue, May 26, returning Mon, Jun 1.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Washington Dulles on Tue, May 26, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Mon, Jun 1, arriving in Washington Dulles.Price includes taxes and charges.From $171, select.
Houston.$174 per passenger.Departing Tue, May 19, returning Mon, Jun 8.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Baltimore Washington International on Tue, May 19, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departing from Houston George Bush Intercntl. on Mon, Jun 8, arriving in Baltimore Washington International.Price includes taxes and charges.From $174, select.
Houston.$193 per passenger.Departing Tue, Mar 24, returning Tue, Apr 14.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Baltimore Washington International on Tue, Mar 24, arriving in Houston George Bush Intercntl..Inbound indirect flight with Spirit Airlines, departing from Houston George Bush Intercntl. on Tue, Apr 14, arriving in Baltimore Washington International.Price includes taxes and charges.From $193, select.
Houston.$198 per passenger.Departing Fri, May 8, returning Sun, Aug 9.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Baltimore Washington International on Fri, May 8, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departing from Houston George Bush Intercntl. on Sun, Aug 9, arriving in Baltimore Washington International.Price includes taxes and charges.From $198, select.
Houston.$203 per passenger.Departing Mon, Jun 1, returning Fri, Jun 5.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Washington Dulles on Mon, Jun 1, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Fri, Jun 5, arriving in Baltimore Washington International.Price includes taxes and charges.From $203, select.
Houston.$205 per passenger.Departing Tue, Mar 31, returning Tue, Apr 14.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Baltimore Washington International on Tue, Mar 31, arriving in Houston George Bush Intercntl..Inbound direct flight with Spirit Airlines departing from Houston George Bush Intercntl. on Tue, Apr 14, arriving in Baltimore Washington International.Price includes taxes and charges.From $205, select.
Houston.$208 per passenger.Departing Tue, Aug 18, returning Mon, Aug 24.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Baltimore Washington International on Tue, Aug 18, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departing from Houston George Bush Intercntl. on Mon, Aug 24, arriving in Baltimore Washington International.Price includes taxes and charges.From $208, select.
Houston.$211 per passenger.Departing Mon, Jul 13, returning Wed, Jul 15.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Baltimore Washington International on Mon, Jul 13, arriving in Houston George Bush Intercntl..Inbound direct flight with Spirit Airlines departing from Houston George Bush Intercntl. on Wed, Jul 15, arriving in Baltimore Washington International.Price includes taxes and charges.From $211, select.
Houston.$212 per passenger.Departing Tue, Jun 2, returning Tue, Jun 23.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Baltimore Washington International on Tue, Jun 2, arriving in Houston George Bush Intercntl..Inbound direct flight with Spirit Airlines departing from Houston George Bush Intercntl. on Tue, Jun 23, arriving in Baltimore Washington International.Price includes taxes and charges.From $212, select.
Houston.$215 per passenger.Departing Tue, Mar 24, returning Thu, Mar 26.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Washington Dulles on Tue, Mar 24, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Thu, Mar 26, arriving in Baltimore Washington International.Price includes taxes and charges.From $215, select.
Houston.$238 per passenger.Departing Mon, Jul 20, returning Sat, Aug 8.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Baltimore Washington International on Mon, Jul 20, arriving in Houston George Bush Intercntl..Inbound direct flight with Spirit Airlines departing from Houston George Bush Intercntl. on Sat, Aug 8, arriving in Baltimore Washington International.Price includes taxes and charges.From $238, select.
Houston.$271 per passenger.Departing Fri, Mar 20, returning Thu, Mar 26.Round-trip flight with Frontier Airlines and Spirit Airlines.Outbound direct flight with Frontier Airlines departing from Baltimore Washington International on Fri, Mar 20, arriving in Houston George Bush Intercntl..Inbound direct flight with Spirit Airlines departing from Houston George Bush Intercntl. on Thu, Mar 26, arriving in Baltimore Washington International.Price includes taxes and charges.From $271, select.
Houston.$281 per passenger.Departing Fri, Sep 4, returning Mon, Sep 7.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Baltimore Washington International on Fri, Sep 4, arriving in Houston George Bush Intercntl..Inbound direct flight with Frontier Airlines departing from Houston George Bush Intercntl. on Mon, Sep 7, arriving in Baltimore Washington International.Price includes taxes and charges.From $281, select.

Find the cheapest month to fly from Washington, D.C. to Houston George Bush Intercntl.

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 George Bush Intercntl. flights are currently cheapest in April.
Mar
from $215
Apr
from $96
May
from $108
Jun
from $203
Jul
from $211
Aug
from $208
Sep
from $281
Oct
from $477
Nov
from $453
Dec
from $453
Jan
Find prices
Feb
Find prices

Direct flights from Washington, D.C. to Houston George Bush Intercntl.

Washington, D.C. to Houston George Bush Intercntl.: Alternative routes

Compare routes from Washington, D.C. to Houston below. You may find an airport to fly into that's cheaper, faster, or easier than Houston George Bush Intercntl..

Houston Hobby

16km from central Houston
Closest
from $214
Search flights

Houston George Bush Intercntl.

25km from central Houston
Cheapest
from $96
Search flights

Houston Ellington Field

28km from central Houston
Search flights

Galveston

74km from central Houston
Search flights

Finding cheap flights from Washington, D.C. to Houston George Bush Intercntl.: Frequently asked questions

The best price we found for a round-trip flight from Washington, D.C. to Houston George Bush Intercntl. is $96. 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 31 minutes is the average flight time from Washington, D.C. to Houston George Bush Intercntl..
United, American Airlines and Air New Zealand fly direct from Washington, D.C. to Houston George Bush Intercntl..
There are 393 flights per week flying from Washington, D.C. to Houston George Bush Intercntl., as of March 2026.
The cheapest month to fly from Washington, D.C. to Houston George Bush Intercntl. is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington, D.C. to Houston George Bush Intercntl. Airport on Tuesday, April 7, 2026.
Yes – the average flight time is 3 hours and 31 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 George Bush Intercntl. 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.
The cheapest airline that flies to Houston George Bush Intercntl. is Spirit Airlines.

Traveling from Washington DC to George Bush Intercontinental Airport (IAH): What you need to know

  • The first chapter of your trip begins at one of Washington DC's main airports, Ronald Reagan National Airport (DCA) or Washington Dulles International Airport (IAD). Explore the options for booking a flight from Washington DC to George Bush Intercontinental Airport (IAH) jetting off from either of these.

  • 3 hours 30 minutes is the average journey time for a direct Washington DC to George Bush Intercontinental Airport flight.

  • Houston is one hour behind Washington DC. George Bush Intercontinental Airport is located in Houston, which follows the UTC-5 timezone.

  • Ronald Reagan National Airport (DCA) to George Bush Intercontinental Airport (IAH) is the most popular route. There are 47 direct weekly departures to choose from. If you have things to do before heading off, take the last flight with United Airlines at 7:59pm. Go for the first DCA to IAH departure with United Airlines at 6am if you'd rather not wait around.

  • Give yourself enough time to catch your flight from Washington DC to IAH. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • If you're taking off during a public holiday or other peak period, allow for even more time. Get there two hours before domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • You can jump on a direct flight from Washington DC to George Bush Intercontinental Airport (IAH) out of Ronald Reagan National Airport (DCA).

  • You can book a direct flight from Washington DC to George Bush Intercontinental Airport with United Airlines. This well-known airline operates services from DCA.

  • The most frequently booked airline between DCA and IAH is United Airlines.

  • United Airlines stands out as the most punctual carrier on this route, with 82.83% of its services arriving as scheduled.

  • The journey from central Washington DC to DCA takes around 45 minutes by public transport. If you ride-share, drive or get a cab, you'll cover the 8 kilometers in 15 minutes or so, depending on traffic conditions.

  • Booked an early flight from Washington DC to George Bush Intercontinental Airport? Avoid the stress of rushing to the terminal (and enjoy a few extra z's) by choosing one of these hotels close to Ronald Reagan National Airport:

  • When it comes to the on-time performance of Ronald Reagan National Airport, 76.44% of flights meet their scheduled arrival time.

  • DCA is located at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • You can book a direct Washington DC to George Bush Intercontinental Airport (IAH) plane ticket with departures from Washington Dulles International Airport (IAD). Check if flying out of IAD makes more sense for your journey.

  • From IAD, direct flights from Washington DC to IAH can be booked with United Airlines.

  • United Airlines is the most frequently booked airline flying from IAD to IAH.

  • United Airlines is the most punctual carrier flying between Washington Dulles International Airport and George Bush Intercontinental Airport, with 78.62% of its services arriving as scheduled.

  • With public transport, you can travel from central Washington DC to IAD in around 1 hour 10 minutes. The terminal is roughly 56 kilometers away, and getting there by car takes approximately 50 minutes.

  • Get a head start on your vacation with an additional night away from home. Before your Washington DC to IAH flight, unwind in one of these hotels close to Washington Dulles International Airport:

  • Washington Dulles International Airport has an on-time performance of 74.39%. This figure shows how often flights that depart from this airport arrive at their destination on time.

  • IAD is located at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Start your trip at Baltimore/Wash International Thurgood Marshall Airport (BWI) and go straight to your destination without any layovers. You can book direct flights from Washington DC to George Bush Intercontinental Airport out of here.

  • United Airlines is one airline that offers direct Washington DC to IAH plane tickets from BWI.

  • United Airlines is the airline with the highest passenger demand for flights from BWI to IAH.

  • Among carriers on this route, United Airlines leads the way for on-time arrivals.

  • From the center of Washington DC, BWI is around 48 kilometers away. It takes roughly 50 minutes to get there by car and 1 hour 30 minutes or so if you're on public transport.

  • Take the uncertainty out of departure day — stay near Baltimore/Wash International Thurgood Marshall Airport and know you'll get to your gate with time to spare. Settle in at one of these hotels the day before if you've booked an early Washington DC to George Bush Intercontinental Airport flight:

  • Airports have an on-time performance rating that tracks how often flights land as expected. At BWI, that rate is 77.13%.

About George Bush Intercontinental Airport (IAH)

Getting from George Bush Intercontinental Airport (IAH) to central Houston

  • George Bush Intercontinental Airport to the center of Houston is around 21 kilometers. If you're taking a cab or renting a car, plan in advance to make your trip as easy as possible. Journey times can vary based on traffic and the time of day.

  • Traveling by public transport will take you around 50 minutes.

How to find the cheapest flights from Washington DC to George Bush Intercontinental Airport (IAH)

  • The cheapest price we've found for a one-way ticket from Washington DC to George Bush Intercontinental Airport is $48. For a return flight on this route, the best price is $96. Depending on when you book and the availability, these fares could change.

  • To pick up cheap flights from Washington DC to IAH, book early. Airlines generally offer the most competitive fares when flights first go on sale.

  • The 'Whole month' tool will show you the cheapest Washington DC to George Bush Intercontinental Airport tickets across the month. It's a good way to find a bargain if your travel plans aren't set in stone.

  • Locking in a cheap plane ticket from Washington DC to IAH is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as the price has dropped.

  • Tailor your flights using filters. Select your preferred departure and arrival times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Washington DC to George Bush Intercontinental Airport.

The best time to fly from Washington DC to George Bush Intercontinental Airport (IAH)

  • February is the quietest month for flights from Washington DC to George Bush Intercontinental Airport (IAH), while July is the busiest. Pick the best time to go to Houston based on whether you like a laid-back vibe or a more bustling atmosphere.

  • Book a Washington DC to IAH plane ticket departing in August if you're eager to explore the city during its warmest month. Expect temperatures in Houston to range from 24ºC (75ºF) to 40ºC (104ºF).

  • January has temperatures of between 5ºC (41ºF) and 19ºC (66ºF). Look for cheap tickets from Washington DC to George Bush Intercontinental Airport around that time if you like cooler conditions.

More about Houston

Explore more of the United States

  • Houston has plenty going for it, but there are so many other corners of the United States you should also see. About 241 kilometers west of Houston, a visit to Austin will keep your itinerary busy. Don't miss top attractions like Texas State Capitol, Central Park and Austin Museum of Art, Downtown.

  • If you want to check out another corner of the United States, consider Corpus Christi, roughly 306 kilometers south-west of Houston. Texas State Aquarium, Bayfront Park and Corpus Christi Cathedral are among the biggest draws.

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