What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Houston round-trip?

Currently priced at $194, Frontier will fly you from Washington, D.C. Dulles Intl Airport to Houston and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $269 and $277, respectively. These flights start at 50% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Houston one-way?

The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Houston are Frontier ($106), Allegiant Air ($111), and United Airlines ($135).

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Houston?

Before booking your flight from Washington, D.C. Dulles Intl Airport to Houston check out the most popular airlines for this route: American Airlines, Delta or Frontier.

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Houston?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 12% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Houston?

August can be a great time to fly to Houston from Washington, D.C. Dulles Intl Airport with a flight ticket averaging about $307. Cheapflights users have found deals in the month of August for as cheap as $91. The most expensive prices can be found in the month of November.

Can I find deals for flights from Dulles Intl to Houston that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Houston?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Houston.

Can I find deals for business class flights from Dulles Intl to Houston?

Yes. Cheapflights offers flight deals from Dulles Intl to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$105+ Flights from Washington, D.C. Dulles Intl Airport to Houston

Q: How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Houston?

To save up to 134% on this flight, we recommend booking at least 31 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. Dulles Intl Airport to Houston from $308 1-2 weeks out and tickets from $462 for flights departing within the next 72 hours.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Dulles Intl to Houston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Houston are usually found in September or October, booked 45 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Dulles Intl to Houston

Round-trip from	$194 (Trip.com)
One-way from	$105 (Mytrip)
Popular in	April
Cheapest in	September
Average price	$454

From Washington, D.C. Dulles Intl to Houston

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Houston

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($29 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Find flight deals from Dulles Intl to Houston

Cheapest flights from Dulles Intl to Houston
Explore the most affordable flight options available from Dulles Intl to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Wed 5/285:15 amIAD - IAH

1 stop7h 17mFrontier

Sat 5/316:35 amIAH - IAD

1 stop8h 29mFrontier

Deal found 4/17

$194

Tue 5/1310:20 pmIAD - IAH

Nonstop3h 27mUnited Airlines

Sat 5/177:50 pmIAH - IAD

Nonstop3h 08mUnited Airlines

Deal found 4/16

$269

Wed 6/1811:50 amIAD - IAH

1 stop7h 43mAmerican Airlines

Wed 7/26:06 amIAH - IAD

1 stop10h 29mAmerican Airlines

Deal found 4/16

$277

Thu 6/1211:52 amIAD - IAH

1 stop10h 00mMultiple Airlines

Sun 6/158:49 pmIAH - IAD

2 stops16h 34mMultiple Airlines

Deal found 4/16

$288

Tue 5/136:00 amIAD - HOU

1 stop4h 33mDelta

Sat 5/171:02 pmHOU - IAD

1 stop7h 32mDelta

Deal found 4/16

$289

Sat 8/305:30 pmIAD - IAH

1 stop7h 24mDelta

Tue 9/167:15 amIAH - IAD

1 stop5h 42mDelta

Deal found 4/17

$289

Tue 5/135:07 pmIAD - HOU

1 stop7h 51mAmerican Airlines

Sat 5/172:28 pmHOU - IAD

2 stops8h 34mAmerican Airlines

Deal found 4/17

$294

Thu 5/1512:49 pmIAD - HOU

1 stop23h 44mSun Country Air

Thu 5/228:06 pmHOU - IAD

1 stop14h 47mSun Country Air

Deal found 4/16

$295

Fri 5/233:13 pmIAD - HOU

1 stop4h 59mMultiple Airlines

Mon 5/2610:40 amHOU - IAD

1 stop8h 37mMultiple Airlines

Deal found 4/16

$356

Thu 5/292:10 pmIAD - HOU

1 stop8h 50mSouthwest

Mon 6/26:00 amHOU - IAD

2 stops10h 55mSouthwest

Deal found 4/17

$358

Best flights from Dulles Intl to Houston
Discover carefully curated flight deals from Dulles Intl to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2025.

Wed 5/285:15 amIAD - IAH

1 stop7h 17mFrontier

Sat 5/316:35 amIAH - IAD

1 stop8h 29mFrontier

Deal found 4/17

$194

Tue 5/1310:20 pmIAD - IAH

Nonstop3h 27mUnited Airlines

Sat 5/177:50 pmIAH - IAD

Nonstop3h 08mUnited Airlines

Deal found 4/16

$269

Wed 6/1811:50 amIAD - IAH

1 stop7h 43mAmerican Airlines

Wed 7/26:06 amIAH - IAD

1 stop10h 29mAmerican Airlines

Deal found 4/16

$277

Thu 6/1211:52 amIAD - IAH

1 stop10h 00mMultiple Airlines

Sun 6/158:49 pmIAH - IAD

2 stops16h 34mMultiple Airlines

Deal found 4/16

$288

Tue 5/136:00 amIAD - HOU

1 stop4h 33mDelta

Sat 5/171:02 pmHOU - IAD

1 stop7h 32mDelta

Deal found 4/16

$289

Thu 5/1512:49 pmIAD - HOU

1 stop23h 44mSun Country Air

Thu 5/228:06 pmHOU - IAD

1 stop14h 47mSun Country Air

Deal found 4/16

$295

Thu 5/292:10 pmIAD - HOU

1 stop8h 50mSouthwest

Mon 6/26:00 amHOU - IAD

2 stops10h 55mSouthwest

Deal found 4/17

$358

Wed 7/97:00 amIAD - IAH

1 stop6h 09mDelta

Sat 8/1611:50 amIAH - IAD

1 stop5h 58mDelta

Deal found 4/16

$289

Tue 5/135:07 pmIAD - HOU

1 stop7h 51mAmerican Airlines

Sat 5/172:28 pmHOU - IAD

2 stops8h 34mAmerican Airlines

Deal found 4/16

$294

Fri 5/233:13 pmIAD - HOU

1 stop4h 59mMultiple Airlines

Mon 5/2610:40 amHOU - IAD

1 stop8h 37mMultiple Airlines

Deal found 4/16

$353

Last-minute flights from Dulles Intl to Houston
Discover last-minute flight deals from Dulles Intl to Houston. Data last updated April 17, 2025 and is based on user searches.

Wed 4/232:12 pmIAD - IAH

1 stop7h 28mAmerican Airlines

Sat 5/102:50 pmIAH - IAD

1 stop7h 07mAmerican Airlines

Deal found 4/16

$469

Wed 4/2312:40 pmIAD - IAH

Nonstop3h 28mUnited Airlines

Wed 4/3010:15 amIAH - IAD

Nonstop3h 11mUnited Airlines

Deal found 4/16

$529

Wed 4/237:50 amIAD - HOU

1 stop7h 05mSouthwest

Wed 4/306:05 amHOU - IAD

1 stop7h 00mSouthwest

Deal found 4/16

$549

Wed 4/235:13 pmIAD - HOU

1 stop7h 43mAmerican Airlines

Thu 4/242:10 pmHOU - IAD

1 stop7h 32mAmerican Airlines

Deal found 4/17

$619

Wed 4/236:00 amIAD - IAH

1 stop6h 05mDelta

Mon 4/286:32 pmIAH - IAD

1 stop4h 56mDelta

Deal found 4/16

$649

Fri 4/258:25 amIAD - IAH

3 stops17h 00mMultiple Airlines

Tue 4/291:29 pmIAH - IAD

3 stops20h 51mMultiple Airlines

Deal found 4/16

$358

Fri 4/2512:29 pmIAD - HOU

1 stop6h 19mDelta

Wed 4/306:36 pmHOU - IAD

1 stop4h 49mDelta

Deal found 4/16

$594

Fri 4/255:38 pmIAD - IAH

2 stops25h 31mAlaska Airlines

Tue 4/296:30 amIAH - IAD

2 stops32h 30mAlaska Airlines

Deal found 4/16

$837

Sun 4/275:25 pmIAD - IAH

1 stop18h 20mFrontier

Mon 5/128:27 pmIAH - IAD

1 stop9h 04mFrontier

Deal found 4/17

$221

Tue 5/136:00 amIAD - IAH

Nonstop3h 25mUnited Airlines

Fri 5/166:05 pmIAH - IAD

Nonstop3h 08mUnited Airlines

Deal found 4/16

$269

Tue 5/136:00 amIAD - HOU

1 stop4h 33mDelta

Sat 5/171:02 pmHOU - IAD

1 stop7h 32mDelta

Deal found 4/16

$289

Tue 5/135:07 pmIAD - HOU

1 stop7h 51mAmerican Airlines

Sat 5/172:28 pmHOU - IAD

2 stops8h 34mAmerican Airlines

Deal found 4/17

$294

One-way flights from Dulles Intl to Houston
Search for one-way flight options from Dulles Intl to Houston. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Thu 5/2911:54 amIAD - IAH

1 stop20h 35mMultiple Airlines

Deal found 4/17

$105

Thu 5/89:14 amIAD - IAH

1 stop10h 18mFrontier

Deal found 4/17

$106

Mon 5/263:13 pmIAD - HOU

1 stop4h 59mAllegiant Air

Deal found 4/16

$111

Thu 5/86:00 amIAD - IAH

Nonstop3h 25mUnited Airlines

Deal found 4/16

$135

Sun 5/255:07 pmIAD - IAH

1 stop16h 03mAmerican Airlines

Deal found 4/17

$138

Sat 5/176:00 amIAD - HOU

1 stop4h 33mDelta

Deal found 4/16

$145

Thu 5/1512:49 pmIAD - HOU

1 stop23h 44mSun Country Air

Deal found 4/16

$148

Sun 7/136:27 amIAD - HOU

1 stop8h 26mAmerican Airlines

Deal found 4/17

$179

Tue 6/37:50 amIAD - HOU

2 stops8h 55mSouthwest

Deal found 4/17

$204

Tue 5/277:25 pmIAD - IAH

2 stops22h 29mAlaska Airlines

Deal found 4/16

$212

Sun 5/46:00 amIAD - IAH

1 stop6h 05mDelta

Deal found 4/16

$225

Mon 4/219:00 pmIAD - HOU

2 stops47h 41mQatar Airways

Deal found 4/17

$1,896

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Wed 5/28

5:15 am-11:32 am

1 stop7h 17m

Houston George Bush Intcntl

Sat 5/31

6:35 am-4:04 pm

1 stop8h 29m

$194

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Tue 5/13

6:00 am-8:25 am

Nonstop3h 25m

Houston George Bush Intcntl

Fri 5/16

6:05 pm-10:13 pm

Nonstop3h 08m

$269

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Wed 6/18

11:50 am-6:33 pm

1 stop7h 43m

Houston George Bush Intcntl

Wed 7/2

6:06 am-5:35 pm

1 stop10h 29m

$277

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Thu 6/12

11:52 am-8:52 pm

1 stop10h 00m

Houston George Bush Intcntl

Sun 6/15

8:49 pm-2:23 pm

2 stops16h 34m

$288

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 5/13

6:00 am-9:33 am

1 stop4h 33m

Houston Hobby

Sat 5/17

1:02 pm-9:34 pm

1 stop7h 32m

$289

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Wed 7/9

9:30 am-3:43 pm

1 stop7h 13m

Houston George Bush Intcntl

Sat 7/12

7:15 am-2:59 pm

1 stop6h 44m

$289

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 5/13

5:07 pm-11:58 pm

1 stop7h 51m

Houston Hobby

Sat 5/17

2:28 pm-12:02 am

2 stops8h 34m

$294

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 5/15

12:49 pm-11:33 am

1 stop23h 44m

Houston Hobby

Thu 5/22

8:06 pm-11:53 am

1 stop14h 47m

$295

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Fri 5/23

3:13 pm-7:12 pm

1 stop4h 59m

Houston Hobby

Mon 5/26

10:40 am-8:17 pm

1 stop8h 37m

$356

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 5/29

2:10 pm-10:00 pm

1 stop8h 50m

Houston Hobby

Mon 6/2

6:00 am-5:55 pm

2 stops10h 55m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 22 results

The best insider tips for Washington, D.C. Dulles Intl Airport to Houston flights

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

Airports

IAD

For a smooth departure from IAD, use the Aerotrain for quick access between terminals, but be prepared for long walks to some gates.

IAH

Upon arrival at IAH, consider rideshares like Uber or Lyft for a quick 25-minute trip to downtown Houston.

Our travel experts

Evie Carrick

Expert on IAH

Ramsey Qubein

Expert on IAD

Best time to book a flight from Dulles Intl to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Dulles Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Houston

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Houston?

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Houston may vary depending on when you book. For the best chance of a lower fare, look to book 41 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. Dulles Intl Airport to Houston?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Houston (average of $230). Flying from Washington, D.C. Dulles Intl Airport to Houston in March is currently the most expensive (average of $334). 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 time of day to fly from IAD to HOU?

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Houston is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 21% on airfare.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Houston?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Houston flight should consider departing on Sunday 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.

Rainfall in Houston by month

In terms of precipitation, rainfall in Houston 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 when rainfall is around 3.2 in.

Temperature in Houston by month

If weather is an important factor for your trip to Houston, 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).

Reviews of airlines servicing Houston

Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Washington, D.C. to Houston by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,882 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,280 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,917 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Qatar Airways

7.4

Good

3,554 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,667 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Houston round-trip?
Currently priced at $194, Frontier will fly you from Washington, D.C. Dulles Intl Airport to Houston and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $269 and $277, respectively. These flights start at 50% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Houston one-way?
The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Houston are Frontier ($106), Allegiant Air ($111), and United Airlines ($135).
Can I find deals for flights from Dulles Intl to Houston that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Houston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Houston.
Can I find deals for business class flights from Dulles Intl to Houston?
Yes. Cheapflights offers flight deals from Dulles Intl to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Houston?
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Houston (average of $230). Flying from Washington, D.C. Dulles Intl Airport to Houston in March is currently the most expensive (average of $334). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to Houston

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Complete your trip

Houston car rentals

Houston Hobby Airport car rentals

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San Antonio car rentals

Top 5 airlines flying from Dulles Intl to Houston

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$77	Average$196	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$100	Average$180	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$215	Average$386	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$234	Average$331	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$240	Average$290	FlexibilityNo cancel fee	On-timeN/A

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$105+ Cheap flights from Dulles Intl (IAD) to Houston

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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Houston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Houston are usually found in September or October, booked 45 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Dulles Intl to Houston

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Houston

Cheapest flights from Dulles Intl to HoustonExplore the most affordable flight options available from Dulles Intl to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Explore the most affordable flight options available from Dulles Intl to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Houston that are best for you.

The best insider tips for Washington, D.C. Dulles Intl Airport to Houston flights

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

Airports

IAD

IAH

Our travel experts

Best time to book a flight from Dulles Intl to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Houston

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Houston. Price data was last updated on April 11, 2025.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Houston?

What is the cheapest time of day to fly from IAD to HOU?

Find hourly flight availability from Dulles Intl to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Houston?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Houston. Price data was last updated on June 30, 2024.

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

Reviews of airlines servicing Houston

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Houston round-trip?

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Houston one-way?

Can I find deals for flights from Dulles Intl to Houston that include hotel bookings?

How can I find direct flights from Dulles Intl to Houston?

Can I find deals for business class flights from Dulles Intl to Houston?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Houston?

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Alternative routes for Dulles Intl to Houston

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Top 5 airlines flying from Dulles Intl to Houston

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Cheapest flights from Dulles Intl to Houston
Explore the most affordable flight options available from Dulles Intl to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.