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Cheap flights from Washington, D.C. Dulles Intl Airport to Houston from $133

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 11/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
American Airlines Logo
6:00 am - 11:45 amIAD-HOU
6h 45m1 stop
American Airlines Logo
10:35 am - 9:17 pmHOU-IAD
9h 42m1 stop
$329American Airlines
Find Deal
Tue, Dec 16 - Sat, Jan 17
Allegiant Air Logo
8:16 pm - 7:25 pmIAD-HOU
24h 09m1 stop
Allegiant Air Logo
8:10 pm - 4:07 pmHOU-IAD
18h 57m1 stop
$330Allegiant Air
Find Deal
Sun, Dec 21 - Fri, Jan 2
American Airlines Logo
7:55 am - 3:53 pmIAD-HOU
8h 58m2 stops
American Airlines Logo
6:00 am - 9:17 pmHOU-IAD
14h 17m1 stop
$334American Airlines
Find Deal
Tue, Dec 16 - Sat, Jan 17
Delta Logo
12:09 pm - 10:35 pmIAD-HOU
11h 26m1 stop
Delta Logo
5:35 am - 8:47 pmHOU-IAD
14h 12m1 stop
$345Delta
Find Deal
Thu, Jan 15 - Wed, Jan 21
Delta Logo
12:09 pm - 10:35 pmIAD-HOU
11h 26m1 stop
Delta Logo
5:35 am - 8:47 pmHOU-IAD
14h 12m1 stop
$347Delta
Find Deal
Thu, Jan 15 - Mon, Jan 19
Delta Logo
5:59 pm - 10:48 pmIAD-HOU
5h 49m1 stop
Delta Logo
10:39 am - 5:00 pmHOU-IAD
5h 21m1 stop
$349Delta
Find Deal
Tue, Dec 2 - Tue, Dec 9
American Airlines Logo
6:00 am - 11:46 amIAD-HOU
6h 46m1 stop
American Airlines Logo
12:16 pm - 10:51 pmHOU-IAD
9h 35m1 stop
$353American Airlines
Find Deal
Thu, Feb 12 - Tue, Feb 17
Delta Logo
5:59 pm - 11:07 pmIAD-HOU
6h 08m1 stop
Delta Logo
6:00 am - 2:40 pmHOU-IAD
7h 40m1 stop
$355Delta
Find Deal
Mon, Nov 24 - Wed, Dec 3
Southwest Logo
9:05 am - 3:25 pmIAD-HOU
7h 20m1 stop
Southwest Logo
11:10 am - 10:10 pmHOU-IAD
10h 00m2 stops
$392Southwest
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Thu, Jan 8 - Sat, Jan 10
Southwest Logo
7:40 am - 4:30 pmIAD-HOU
9h 50m1 stop
Southwest Logo
5:35 am - 3:45 pmHOU-IAD
9h 10m1 stop
$423Southwest
Find Deal
Thu, Dec 4 - Thu, Dec 11

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

Our best Southwest deals on Washington, D.C. Dulles Intl Airport to Houston Hobby Airport flight tickets
Southwest
Jan 8
IAD9:05 amWashington, D.C. Dulles Intl
7h 20m
1 stop
HOU3:25 pmHouston Hobby
Jan 10
HOU11:10 amHouston Hobby
10h 00m
2 stops
IAD10:10 pmWashington, D.C. Dulles Intl
$392
Find similar
Southwest
Dec 4
IAD7:40 amWashington, D.C. Dulles Intl
9h 50m
1 stop
HOU4:30 pmHouston Hobby
Dec 11
HOU5:35 amHouston Hobby
9h 10m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
$423
Find similar
Southwest
Mar 4
IAD9:05 amWashington, D.C. Dulles Intl
7h 20m
1 stop
HOU3:25 pmHouston Hobby
Mar 14
HOU10:45 amHouston Hobby
12h 40m
2 stops
IAD12:25 amWashington, D.C. Dulles Intl
$425
Find similar

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
Jan 15
IAD12:09 pmWashington, D.C. Dulles Intl
11h 26m
1 stop
HOU10:35 pmHouston Hobby
Jan 21
HOU5:35 amHouston Hobby
14h 12m
1 stop
IAD8:47 pmWashington, D.C. Dulles Intl
$345
Find similar
Delta
Jan 15
IAD12:09 pmWashington, D.C. Dulles Intl
11h 26m
1 stop
HOU10:35 pmHouston Hobby
Jan 19
HOU5:35 amHouston Hobby
14h 12m
1 stop
IAD8:47 pmWashington, D.C. Dulles Intl
$347
Find similar
Delta
Dec 2
IAD5:59 pmWashington, D.C. Dulles Intl
5h 49m
1 stop
HOU10:48 pmHouston Hobby
Dec 9
HOU10:39 amHouston Hobby
5h 21m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
$349
Find similar

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 November 4, 2025.
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

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 12/16

6:00 am-11:45 am

1 stop6h 45m

Houston Hobby

Sat 1/17

10:35 am-9:17 pm

1 stop9h 42m

$329

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sun 12/21

8:16 pm-7:25 pm

1 stop24h 09m

Houston Hobby

Fri 1/2

8:10 pm-4:07 pm

1 stop18h 57m

$330

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 12/16

7:55 am-3:53 pm

2 stops8h 58m

Houston Hobby

Sat 1/17

6:00 am-9:17 pm

1 stop14h 17m

$334

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 1/15

12:09 pm-10:35 pm

1 stop11h 26m

Houston Hobby

Wed 1/21

5:35 am-8:47 pm

1 stop14h 12m

$345

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 1/15

12:09 pm-10:35 pm

1 stop11h 26m

Houston Hobby

Mon 1/19

5:35 am-8:47 pm

1 stop14h 12m

$347

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 12/2

5:59 pm-10:48 pm

1 stop5h 49m

Houston Hobby

Tue 12/9

10:39 am-5:00 pm

1 stop5h 21m

$349

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 2/12

6:00 am-11:46 am

1 stop6h 46m

Houston Hobby

Tue 2/17

12:16 pm-10:51 pm

1 stop9h 35m

$353

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Mon 11/24

5:59 pm-11:07 pm

1 stop6h 08m

Houston Hobby

Wed 12/3

6:00 am-2:40 pm

1 stop7h 40m

$355

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 1/8

9:05 am-3:25 pm

1 stop7h 20m

Houston Hobby

Sat 1/10

11:10 am-10:10 pm

2 stops10h 00m

$392

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 12/4

7:40 am-4:30 pm

1 stop9h 50m

Houston Hobby

Thu 12/11

5:35 am-3:45 pm

1 stop9h 10m

$423

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 cheapest month to fly to Houston Hobby Airport?

In general, October 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 $342. The month of May is another great option to travel to Houston Hobby Airport, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $349.

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 $349. 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 $512.

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 $396. 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 $607. 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 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 $382 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 $273 on momondo.

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

As of November 2025, prices for Washington, D.C. Dulles Intl Airport to Houston Hobby Airport flights are approximately 38% 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

Direct flights

None
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.
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  • 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 5h 01m.

  • 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 $100Free CancellationRating
5.8
3,116 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $108Free CancellationRating
6.3
8,113 reviews
Search Spirit Airlines flights
DeltaPriceFrom $144Free CancellationRating
7.9
8,002 reviews
Search Delta flights
United AirlinesPriceFrom $254Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights

Traveling to a place near Houston?

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