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Cheap flights from Washington, D.C. Dulles Intl Airport to Houston from $159

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 7/21. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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.
Delta Logo
6:00 am - 9:34 am
IAD
-
HOU
4h 34m
1 stop
Delta Logo
5:17 pm - 12:41 am
HOU
-
IAD
6h 24m
1 stop
$298Delta
Sat, Jul 25 - Sat, Aug 1
Delta Logo
8:28 am - 12:16 pm
IAD
-
HOU
4h 48m
1 stop
Delta Logo
6:00 am - 2:05 pm
HOU
-
IAD
7h 05m
1 stop
$303Delta
Wed, Aug 5 - Thu, Aug 6
Delta Logo
3:05 pm - 11:09 pm
IAD
-
HOU
9h 04m
1 stop
Delta Logo
6:00 am - 5:17 pm
HOU
-
IAD
10h 17m
1 stop
$307Delta
Tue, Oct 6 - Tue, Oct 13
Delta Logo
6:00 am - 9:51 pm
IAD
-
HOU
16h 51m
1 stop
Delta Logo
6:00 am - 11:37 am
HOU
-
IAD
4h 37m
1 stop
$317Delta
Tue, Jul 21 - Wed, Jul 29
American Airlines Logo
6:14 am - 12:16 pm
IAD
-
HOU
7h 02m
1 stop
American Airlines Logo
12:14 pm - 6:27 pm
HOU
-
IAD
5h 13m
1 stop
$322American Airlines
Tue, Jul 28 - Tue, Aug 11
Delta Logo
6:00 am - 9:50 am
IAD
-
HOU
4h 50m
1 stop
Delta Logo
6:00 am - 1:43 pm
HOU
-
IAD
6h 43m
1 stop
$323Delta
Sat, Aug 8 - Sat, Aug 15
Delta Logo
5:46 pm - 9:51 pm
IAD
-
HOU
5h 05m
1 stop
Delta Logo
6:00 am - 11:33 am
HOU
-
IAD
4h 33m
1 stop
$324Delta
Wed, Jul 29 - Tue, Aug 11
Delta Logo
7:26 pm - 9:50 am
IAD
-
HOU
15h 24m
1 stop
Delta Logo
6:00 am - 11:33 am
HOU
-
IAD
4h 33m
1 stop
$326Delta
Mon, Aug 10 - Mon, Aug 17
Delta Logo
8:00 am - 2:04 pm
IAD
-
HOU
7h 04m
1 stop
Delta Logo
5:28 pm - 12:31 am
HOU
-
IAD
6h 03m
1 stop
$327Delta
Tue, Oct 6 - Sat, Oct 17
Delta Logo
10:58 am - 4:23 pm
IAD
-
HOU
6h 25m
1 stop
Delta Logo
1:13 pm - 8:55 pm
HOU
-
IAD
6h 42m
1 stop
$332Delta
Sat, Jul 25 - Mon, Aug 10

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Houston Hobby Airport flight tickets
Delta
Jul 25
IAD6:00 amWashington, D.C. Dulles Intl
4h 34m
1 stop
HOU9:34 amHouston Hobby
Aug 1
HOU5:17 pmHouston Hobby
6h 24m
1 stop
IAD12:41 amWashington, D.C. Dulles Intl
$298
Delta
Aug 5
IAD8:28 amWashington, D.C. Dulles Intl
4h 48m
1 stop
HOU12:16 pmHouston Hobby
Aug 6
HOU6:00 amHouston Hobby
7h 05m
1 stop
IAD2:05 pmWashington, D.C. Dulles Intl
$303
Delta
Oct 6
IAD3:05 pmWashington, D.C. Dulles Intl
9h 04m
1 stop
HOU11:09 pmHouston Hobby
Oct 14
HOU6:00 amHouston Hobby
10h 17m
1 stop
IAD5:17 pmWashington, D.C. Dulles Intl
$307

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Houston Hobby Airport flight tickets
American Airlines
Jul 28
IAD6:14 amWashington, D.C. Dulles Intl
7h 02m
1 stop
HOU12:16 pmHouston Hobby
Aug 11
HOU12:14 pmHouston Hobby
5h 13m
1 stop
IAD6:27 pmWashington, D.C. Dulles Intl
$322
American Airlines
Jul 30
IAD6:14 amWashington, D.C. Dulles Intl
7h 02m
1 stop
HOU12:16 pmHouston Hobby
Aug 6
HOU5:41 amHouston Hobby
7h 21m
1 stop
IAD2:02 pmWashington, D.C. Dulles Intl
$357
American Airlines
Sep 3
IAD6:38 pmWashington, D.C. Dulles Intl
6h 18m
1 stop
HOU11:56 pmHouston Hobby
Sep 5
HOU12:14 pmHouston Hobby
5h 13m
1 stop
IAD6:27 pmWashington, D.C. Dulles Intl
$382

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport 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 July 2, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sat 7/25

6:00 am-9:34 am

1 stop4h 34m

Houston Hobby

Sat 8/1

5:17 pm-12:41 am

1 stop6h 24m

$298

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 8/5

8:28 am-12:16 pm

1 stop4h 48m

Houston Hobby

Thu 8/6

6:00 am-2:05 pm

1 stop7h 05m

$303

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 10/6

3:05 pm-11:09 pm

1 stop9h 04m

Houston Hobby

Tue 10/13

6:00 am-5:17 pm

1 stop10h 17m

$307

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 7/21

6:00 am-9:51 pm

1 stop16h 51m

Houston Hobby

Wed 7/29

6:00 am-11:37 am

1 stop4h 37m

$317

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 7/28

6:14 am-12:16 pm

1 stop7h 02m

Houston Hobby

Tue 8/11

12:14 pm-6:27 pm

1 stop5h 13m

$322

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sat 8/8

6:00 am-9:50 am

1 stop4h 50m

Houston Hobby

Sat 8/15

6:00 am-1:43 pm

1 stop6h 43m

$323
Quickest round-trip

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 7/29

5:46 pm-9:51 pm

1 stop5h 05m

Houston Hobby

Tue 8/11

6:00 am-11:33 am

1 stop4h 33m

$324

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Mon 8/10

7:26 pm-9:50 am

1 stop15h 24m

Houston Hobby

Mon 8/17

6:00 am-11:33 am

1 stop4h 33m

$326

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 10/6

8:00 am-2:04 pm

1 stop7h 04m

Houston Hobby

Sat 10/17

5:28 pm-12:31 am

1 stop6h 03m

$327

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sat 7/25

10:58 am-4:23 pm

1 stop6h 25m

Houston Hobby

Mon 8/10

1:13 pm-8:55 pm

1 stop6h 42m

$332

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to Houston from

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

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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Houston Hobby Airport?

What is the cheapest month to fly to Houston Hobby Airport?

In general, April is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $300. The month of November is another great option to travel to Houston Hobby Airport, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $331.

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

Our data shows that Wednesday is the least expensive day to fly to Houston Hobby Airport. Tickets to fly out on this day can be as low as $395. 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 Hobby Airport on Sunday is $545.

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

According to our data, the cheapest time of day to fly to Houston Hobby Airport is in the evening. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport in the evening for as low as $480. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $593. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Houston Hobby Airport 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 Hobby Airport for around $406 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston Hobby Airport from Washington, D.C. Dulles Intl Airport for as low as $254 on momondo.

How have Washington, D.C. Dulles Intl Airport to Houston Hobby Airport flight prices changed over time?

As of July 2026, prices for Washington, D.C. Dulles Intl Airport to Houston Hobby Airport flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Houston Hobby Airport (IAD to HOU) 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 Hobby Airport

Fastest flight time

3h 06m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport takes 3h 06m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport

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

    There are 1199.3 mi between Washington, D.C. Dulles Intl and Houston Hobby. By plane, this route typically takes 3h 06m.

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

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

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

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

    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 Hobby Airport.

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

    The travel and health documents you'll need for your trip to Houston Hobby Airport 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 Hobby Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport?

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $104Free CancellationRating
5.6
2,851 reviews
Search Frontier flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
9,917 reviews
Search United Airlines flights
DeltaPriceFrom $304Free CancellationRating
7.8
8,453 reviews
Search Delta flights

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Galveston
Sugar Land
Pasadena
Texas City
Baytown
Rosenberg
Webster
Kemah
Pearland
League City
Freeport
Lake Jackson
Stafford
Seabrook
Missouri City
West University Place
La Marque
Nassau Bay

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Houston from Washington, D.C..

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

Flights from Washington, D.C. to Houston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Houston from Washington, D.C..

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

Of course. momondo tracks the price of Washington, D.C. to Houston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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