Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Houston from $78

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Houston departing on 2/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:29 am - 4:52 pm
IAD
-
IAH
7h 23m
1 stop
Multiple Airlines Logo
8:18 pm - 2:18 pm
IAH
-
IAD
17h 00m
2 stops
$144Multiple Airlines
Sat, Feb 21 - Sun, Feb 22
Multiple Airlines Logo
1:31 pm - 11:11 am
IAD
-
IAH
22h 40m
1 stop
Multiple Airlines Logo
4:20 pm - 7:58 pm
IAH
-
IAD
26h 38m
1 stop
$148Multiple Airlines
Mon, Jan 26 - Thu, Jan 29
Frontier Logo
5:33 pm - 10:53 pm
IAD
-
IAH
6h 20m
1 stop
Frontier Logo
8:18 pm - 8:40 am
IAH
-
IAD
11h 22m
1 stop
$150Frontier
Mon, Jan 26 - Thu, Jan 29
Frontier Logo
5:33 pm - 10:53 pm
IAD
-
IAH
6h 20m
1 stop
Frontier Logo
2:32 pm - 7:58 pm
IAH
-
IAD
28h 26m
1 stop
$151Frontier
Mon, Feb 2 - Thu, Feb 5
Multiple Airlines Logo
5:33 pm - 10:53 pm
IAD
-
IAH
6h 20m
1 stop
Multiple Airlines Logo
6:00 am - 4:43 pm
IAH
-
IAD
9h 43m
1 stop
$153Multiple Airlines
Mon, Feb 9 - Thu, Feb 12
Delta Logo
7:15 am - 4:10 pm
IAD
-
HOU
9h 55m
1 stop
Delta Logo
5:25 am - 2:45 pm
HOU
-
IAD
8h 20m
1 stop
$287Delta
Wed, Feb 11 - Wed, Feb 18
American Airlines Logo
6:00 am - 12:19 pm
IAD
-
HOU
7h 19m
1 stop
American Airlines Logo
10:13 am - 4:34 pm
HOU
-
IAD
5h 21m
1 stop
$305American Airlines
Sat, Feb 7 - Sat, Feb 21
Delta Logo
7:15 am - 4:10 pm
IAD
-
HOU
9h 55m
1 stop
Delta Logo
5:35 pm - 12:21 am
HOU
-
IAD
5h 46m
1 stop
$306Delta
Wed, Feb 11 - Sat, Feb 14
American Airlines Logo
7:01 am - 6:06 pm
IAD
-
HOU
12h 05m
2 stops
American Airlines Logo
4:21 pm - 10:53 pm
HOU
-
IAD
5h 32m
1 stop
$310American Airlines
Sat, Feb 7 - Sat, Feb 21
Southwest Logo
5:05 am - 3:50 pm
IAD
-
HOU
11h 45m
2 stops
Southwest Logo
11:25 am - 9:45 pm
HOU
-
IAD
9h 20m
2 stops
$321Southwest
Sat, Feb 21 - Sat, Feb 28

Southwest flights from Washington, D.C. Dulles Intl Airport to Houston

Our best Southwest deals on Washington, D.C. Dulles Intl Airport to Houston flight tickets
Southwest
Feb 21
IAD5:05 amWashington, D.C. Dulles Intl
11h 45m
2 stops
HOU3:50 pmHouston Hobby
Feb 28
HOU11:25 amHouston Hobby
9h 20m
2 stops
IAD9:45 pmWashington, D.C. Dulles Intl
$321
Southwest
Feb 14
IAD5:05 amWashington, D.C. Dulles Intl
9h 00m
1 stop
HOU1:05 pmHouston Hobby
Feb 17
HOU2:25 pmHouston Hobby
7h 15m
1 stop
IAD10:40 pmWashington, D.C. Dulles Intl
$340
Southwest
Feb 14
IAD5:05 amWashington, D.C. Dulles Intl
11h 45m
2 stops
HOU3:50 pmHouston Hobby
Feb 17
HOU11:55 amHouston Hobby
9h 45m
1 stop
IAD10:40 pmWashington, D.C. Dulles Intl
$345

American Airlines flights from Washington, D.C. Dulles Intl Airport to Houston

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Houston flight tickets
American Airlines
Feb 7
IAD6:00 amWashington, D.C. Dulles Intl
7h 19m
1 stop
HOU12:19 pmHouston Hobby
Feb 14
HOU4:21 pmHouston Hobby
5h 32m
1 stop
IAD10:53 pmWashington, D.C. Dulles Intl
$305
American Airlines
Feb 7
IAD7:01 amWashington, D.C. Dulles Intl
12h 05m
2 stops
HOU6:06 pmHouston Hobby
Feb 21
HOU4:21 pmHouston Hobby
5h 32m
1 stop
IAD10:53 pmWashington, D.C. Dulles Intl
$310
American Airlines
Feb 7
IAD7:01 amWashington, D.C. Dulles Intl
12h 05m
2 stops
HOU6:06 pmHouston Hobby
Feb 14
HOU10:13 amHouston Hobby
9h 17m
2 stops
IAD8:30 pmWashington, D.C. Dulles Intl
$316

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 14, 2026.
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

Sat 2/21

10:29 am-4:52 pm

1 stop7h 23m

Houston George Bush Intcntl

Sun 2/22

8:18 pm-2:18 pm

2 stops17h 00m

$144

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Mon 1/26

1:31 pm-11:11 am

1 stop22h 40m

Houston George Bush Intcntl

Thu 1/29

4:20 pm-7:58 pm

1 stop26h 38m

$148

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Mon 1/26

5:33 pm-10:53 pm

1 stop6h 20m

Houston George Bush Intcntl

Thu 1/29

8:18 pm-8:40 am

1 stop11h 22m

$150

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Mon 2/2

5:33 pm-10:53 pm

1 stop6h 20m

Houston George Bush Intcntl

Thu 2/5

2:32 pm-7:58 pm

1 stop28h 26m

$151

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Mon 2/9

5:33 pm-10:53 pm

1 stop6h 20m

Houston George Bush Intcntl

Thu 2/12

6:00 am-4:43 pm

1 stop9h 43m

$153

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 2/11

7:15 am-4:10 pm

1 stop9h 55m

Houston Hobby

Wed 2/18

5:25 am-2:45 pm

1 stop8h 20m

$287

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sat 2/7

6:00 am-12:19 pm

1 stop7h 19m

Houston Hobby

Sat 2/21

10:13 am-4:34 pm

1 stop5h 21m

$305

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 2/11

7:15 am-4:10 pm

1 stop9h 55m

Houston Hobby

Sat 2/14

5:35 pm-12:21 am

1 stop5h 46m

$306

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sat 2/7

7:01 am-6:06 pm

2 stops12h 05m

Houston Hobby

Sat 2/21

4:21 pm-10:53 pm

1 stop5h 32m

$310

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sat 2/21

5:05 am-3:50 pm

2 stops11h 45m

Houston Hobby

Sat 2/28

11:25 am-9:45 pm

2 stops9h 20m

$321

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Houston from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Houston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Houston?

The month of October is, on average, the cheapest month to fly to Houston from Washington, D.C. Dulles Intl Airport, with most prices found around $323. The month of November is another great option to travel to Houston, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $327.

What is the cheapest day to depart on your flight to Houston?

On average, the least expensive day to fly to Houston from Washington, D.C. Dulles Intl Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $352. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Sunday is $439.

What is the cheapest time of day to depart on your flight to Houston?

Our data shows that the cheapest Washington, D.C. Dulles Intl Airport to Houston flights are usually those with departure times in the evening. Our users have found flights to Houston in the evening for as low as $409. Try not to purchase tickets in the afternoon because they tend to be around $616. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Washington, D.C. Dulles Intl to Houston flight route?

Fly from Washington, D.C. Dulles Intl to Houston George Bush Intcntl for the best Washington, D.C. Dulles Intl - Houston flight prices

How far in advance should I book a flight to Houston?

You are more likely to see cheaper flights to Houston from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $382 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Washington, D.C. Dulles Intl Airport for as low as $273 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to Houston flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Houston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Washington, D.C. Dulles Intl Airport to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Houston

Fastest flight time

3h 06m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from Washington, D.C. Dulles Intl Airport to Houston takes 3h 06m
Direct flights go from Washington, D.C. Dulles Intl Airport to Houston every day.
There are 2 airports in Houston. From Washington, D.C. Dulles Intl Airport there are direct flights to Houston George Bush Intcntl (IAH).
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Houston by plane?

    The straight-line distance from Washington, D.C. Dulles Intl to Houston is 1199.1 mi. In terms of flight time, this usually takes a little over 3h 06m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Houston?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Houston are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Houston?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Houston?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Houston.

  • What documentation or ID do you need to fly to Houston?

    The travel and health documents you'll need for your trip to Houston may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Houston

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Houston with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $73Free CancellationRating
6.3
8,311 reviews
Search Spirit Airlines flights
FrontierPriceFrom $100Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
DeltaPriceFrom $144Free CancellationRating
7.9
8,040 reviews
Search Delta flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
11,120 reviews
Search American Airlines flights
United AirlinesPriceFrom $254Free CancellationRating
7.4
9,156 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Houston?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Houston. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Houston with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Houston on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Houston?

momondo helps you find the best flight between Washington, D.C. and Houston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Houston right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Houston from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Houston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 2/13
Fri 2/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States