What are the cheapest airlines flying from Washington, D.C. to Houston George Bush Intcntl Airport round-trip?

Currently priced at $91, Spirit Airlines will fly you from Washington, D.C. to Houston George Bush Intcntl Airport and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and American Airlines - these airlines can fly you to your destination from $143 and $234, respectively. You may be able to fly from Washington, D.C. to Houston George Bush Intcntl Airport for 71% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Washington, D.C. to Houston George Bush Intcntl Airport one-way?

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $50. However, be on the lookout for offers from Frontier and JetBlue, as they are both options that can get you from Washington, D.C. to Houston George Bush Intcntl Airport for a low price.

How far ahead should I book a flight from Washington, D.C. to Houston George Bush Intcntl Airport?

The price you pay for your flight from Washington, D.C. to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Houston George Bush Intcntl Airport (average of $241). Flying from Washington, D.C. to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Washington, D.C. to Houston George Bush Intcntl Airport?

Travelers seeking maximum savings on their Washington, D.C. to Houston George Bush Intcntl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Houston George Bush Intcntl Airport

The most flights from WAS to IAH are scheduled on a Friday (43 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 3.2 in.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

What are the most popular routes from Washington, D.C. to Houston George Bush Intcntl Airport?

The most popular route from Washington, D.C. to Houston George Bush Intcntl Airport is Washington, D.C. Dulles Intl - Houston George Bush Intcntl. You may also consider Washington, D.C. Reagan-National - Houston George Bush Intcntl or Baltimore/Washington - Houston George Bush Intcntl.

What are the cheapest flights from Washington, D.C. to Houston George Bush Intcntl Airport?

Looking for the cheapest flight from Washington, D.C. to Houston George Bush Intcntl Airport? While on average our users pay $1,191, our data indicates the cheapest price to be $118. The most popular route (Washington, D.C. Dulles Intl - Houston George Bush Intcntl), is priced around $143.

What are the most reliable airlines from Washington, D.C. to Houston George Bush Intcntl Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to Houston George Bush Intcntl Airport on time: Air China (88%), Emirates (86%), Avianca (84%).

What are the most popular airlines that fly from Washington, D.C. to Houston George Bush Intcntl Airport?

Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from Washington, D.C. to Houston George Bush Intcntl Airport.

What is the cheapest time of day to fly from WAS to IAH?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Houston George Bush Intcntl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight in the afternoon.

Can I find deals for flights from Washington, D.C. to George Bush Intcntl that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to George Bush Intcntl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to George Bush Intcntl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to George Bush Intcntl.

Can I find deals for business class flights from Washington, D.C. to George Bush Intcntl?

Yes. Cheapflights offers flight deals from Washington, D.C. to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$50+ Flights from Washington, D.C. to Houston George Bush Intcntl Airport

Q: How long is the flight from Washington, D.C. to Houston George Bush Intcntl Airport?

For as low as $217, Frontier can have you in Houston George Bush Intcntl Airport from Washington, D.C. in 3h 34m. The distance from Washington, D.C. to Houston George Bush Intcntl Airport is about 1233 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

Round-trip from	$90 (Cheapflightsfares)
One-way from	$50 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$199
Good round-trip deal	$133 or less
Good one-way deal	$101 or less

DCA

DCA has two parking garages; reserve online in advance as lots fill quickly. Parking Garage 1 serves Terminal 1, Garage 2 serves Terminal 2.

IAD

Security queues at IAD can be long; pay attention to which lanes support CLEAR or TSA PreCheck to save time.

IAH

For a quick trip to Houston, Uber or Lyft from IAH takes about 25 minutes. Pick-up is available at Terminals A, B, and C.

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$91	Average$177	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$109	Average$212	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$194	Average$381	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$196	Average$369	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$228	Average$355	FlexibilityNo cancel fee	On-timeN/A

$50+ Cheap flights from Washington, D.C. (WAS) to George Bush Intcntl (IAH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to George Bush Intcntl with Cheapflights

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Cheapflights Tip: The best prices from Washington, D.C. to Houston George Bush Intcntl are usually found in September or August, booked 89 days in advance, depart on a Friday or Thursday and return on a Friday

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Cheapest flights from Washington, D.C. to George Bush IntcntlExplore the most affordable flight options available from Washington, D.C. to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2025.

Explore the most affordable flight options available from Washington, D.C. to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2025.

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The best insider tips for Washington, D.C. to Houston George Bush Intcntl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Houston George Bush Intcntl Airport trip

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Best time to book a flight from Washington, D.C. to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Houston George Bush Intcntl Airport

How far ahead should I book a flight from Washington, D.C. to Houston George Bush Intcntl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to George Bush Intcntl. Price data was last updated on September 12, 2025.

What is the cheapest month to book a flight from Washington, D.C. to Houston George Bush Intcntl Airport?

What is the cheapest time of day to fly from WAS to IAH?

Find hourly flight availability from Washington, D.C. to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 20, 2025.

What is the cheapest day to fly from Washington, D.C. to Houston George Bush Intcntl Airport?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to George Bush Intcntl. Price data was last updated on September 14, 2025.

Weekly flight availability from Washington, D.C. to Houston George Bush Intcntl Airport

Reviews of airlines servicing George Bush Intcntl

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Washington, D.C. to Houston George Bush Intcntl Airport?

What are the cheapest airlines flying from Washington, D.C. to Houston George Bush Intcntl Airport round-trip?

What are the cheapest airlines to fly from Washington, D.C. to Houston George Bush Intcntl Airport one-way?

What are the most popular routes from Washington, D.C. to Houston George Bush Intcntl Airport?

What are the most reliable airlines from Washington, D.C. to Houston George Bush Intcntl Airport?

What are the cheapest flights from Washington, D.C. to Houston George Bush Intcntl Airport?

Can I find deals for flights from Washington, D.C. to George Bush Intcntl that include hotel bookings?

How can I find direct flights from Washington, D.C. to George Bush Intcntl?

Can I find deals for business class flights from Washington, D.C. to George Bush Intcntl?

What is the cheapest month to book a flight from Washington, D.C. to Houston George Bush Intcntl Airport?

Traveling to a place near Houston George Bush Intcntl Airport?

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Top 5 airlines flying from Washington, D.C. to George Bush Intcntl

Cheapest flights from Washington, D.C. to George Bush Intcntl
Explore the most affordable flight options available from Washington, D.C. to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2025.