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Cheap flights from Washington, D.C. Dulles Intl Airport to Houston from $91

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 5/4. 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.
Delta Logo
7:18 am - 1:28 pm
IAD
-
HOU
7h 10m
1 stop
Delta Logo
5:23 pm - 12:42 am
HOU
-
IAD
6h 19m
1 stop
$217Delta
Thu, Apr 9 - Thu, Apr 16
Delta Logo
7:06 am - 12:40 pm
IAD
-
HOU
6h 34m
1 stop
Delta Logo
5:23 pm - 12:42 am
HOU
-
IAD
6h 19m
1 stop
$278Delta
Wed, Apr 29 - Mon, May 4
Delta Logo
3:35 pm - 10:42 pm
IAD
-
HOU
8h 07m
1 stop
Delta Logo
5:23 pm - 12:42 am
HOU
-
IAD
6h 19m
1 stop
$328Delta
Fri, Apr 10 - Mon, Apr 13
Delta Logo
7:18 am - 1:28 pm
IAD
-
HOU
7h 10m
1 stop
Delta Logo
5:27 pm - 12:27 am
HOU
-
IAD
6h 00m
1 stop
$337Delta
Thu, Apr 9 - Sun, Apr 12
Delta Logo
6:00 am - 9:58 am
IAD
-
HOU
4h 58m
1 stop
Delta Logo
5:23 pm - 12:42 am
HOU
-
IAD
6h 19m
1 stop
$339Delta
Thu, Apr 23 - Mon, Apr 27
Southwest Logo
6:20 am - 2:20 pm
IAD
-
HOU
9h 00m
1 stop
Southwest Logo
6:15 am - 4:25 pm
HOU
-
IAD
9h 10m
1 stop
$353Southwest
Wed, Apr 29 - Sat, May 2
Southwest Logo
4:30 pm - 11:25 pm
IAD
-
HOU
7h 55m
1 stop
Southwest Logo
6:15 am - 4:25 pm
HOU
-
IAD
9h 10m
1 stop
$355Southwest
Wed, Apr 29 - Sat, May 2
Southwest Logo
4:30 pm - 11:25 pm
IAD
-
HOU
7h 55m
1 stop
Southwest Logo
11:00 am - 10:55 pm
HOU
-
IAD
10h 55m
1 stop
$359Southwest
Wed, Apr 15 - Sat, Apr 18
Southwest Logo
4:30 pm - 11:25 pm
IAD
-
HOU
7h 55m
1 stop
Southwest Logo
8:20 am - 10:55 pm
HOU
-
IAD
13h 35m
2 stops
$364Southwest
Wed, Apr 15 - Sat, Apr 18
Southwest Logo
4:30 pm - 11:25 pm
IAD
-
HOU
7h 55m
1 stop
Southwest Logo
8:15 am - 10:55 pm
HOU
-
IAD
13h 40m
2 stops
$372Southwest
Wed, May 6 - Sat, May 9

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
Apr 29
IAD6:20 amWashington, D.C. Dulles Intl
9h 00m
1 stop
HOU2:20 pmHouston Hobby
May 2
HOU6:15 amHouston Hobby
9h 10m
1 stop
IAD4:25 pmWashington, D.C. Dulles Intl
$353
Southwest
Apr 29
IAD4:30 pmWashington, D.C. Dulles Intl
7h 55m
1 stop
HOU11:25 pmHouston Hobby
May 2
HOU6:15 amHouston Hobby
9h 10m
1 stop
IAD4:25 pmWashington, D.C. Dulles Intl
$355
Southwest
Apr 15
IAD4:30 pmWashington, D.C. Dulles Intl
7h 55m
1 stop
HOU11:25 pmHouston Hobby
Apr 18
HOU11:00 amHouston Hobby
10h 55m
1 stop
IAD10:55 pmWashington, D.C. Dulles Intl
$359

Sun Country Air flights from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport

Our best Sun Country Air deals on Washington, D.C. Dulles Intl Airport to Houston Hobby Airport flight tickets
Sun Country Air
Apr 16
IAD12:14 pmWashington, D.C. Dulles Intl
24h 15m
1 stop
HOU11:29 amHouston Hobby
Apr 19
HOU8:00 amHouston Hobby
25h 39m
1 stop
IAD10:39 amWashington, D.C. Dulles Intl
$377
Sun Country Air
Apr 16
IAD12:14 pmWashington, D.C. Dulles Intl
24h 15m
1 stop
HOU11:29 amHouston Hobby
Apr 19
HOU8:00 amHouston Hobby
25h 39m
1 stop
IAD10:39 amWashington, D.C. Dulles Intl
$378

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 March 1, 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

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 4/9

7:18 am-1:28 pm

1 stop7h 10m

Houston Hobby

Thu 4/16

5:23 pm-12:42 am

1 stop6h 19m

$217

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 4/29

7:06 am-12:40 pm

1 stop6h 34m

Houston Hobby

Mon 5/4

5:23 pm-12:42 am

1 stop6h 19m

$278

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Fri 4/10

3:35 pm-10:42 pm

1 stop8h 07m

Houston Hobby

Mon 4/13

5:23 pm-12:42 am

1 stop6h 19m

$328

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 4/9

7:18 am-1:28 pm

1 stop7h 10m

Houston Hobby

Sun 4/12

5:27 pm-12:27 am

1 stop6h 00m

$337

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 4/23

6:00 am-9:58 am

1 stop4h 58m

Houston Hobby

Mon 4/27

5:23 pm-12:42 am

1 stop6h 19m

$339

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 4/29

6:20 am-2:20 pm

1 stop9h 00m

Houston Hobby

Sat 5/2

6:15 am-4:25 pm

1 stop9h 10m

$353

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 4/29

4:30 pm-11:25 pm

1 stop7h 55m

Houston Hobby

Sat 5/2

6:15 am-4:25 pm

1 stop9h 10m

$355

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 4/15

4:30 pm-11:25 pm

1 stop7h 55m

Houston Hobby

Sat 4/18

11:00 am-10:55 pm

1 stop10h 55m

$359

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 4/15

4:30 pm-11:25 pm

1 stop7h 55m

Houston Hobby

Sat 4/18

8:20 am-10:55 pm

2 stops13h 35m

$364

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 5/6

4:30 pm-11:25 pm

1 stop7h 55m

Houston Hobby

Sat 5/9

8:15 am-10:55 pm

2 stops13h 40m

$372

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 $323. 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 $327.

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 $361. 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 $467.

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 $417. 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 $622. 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 $386 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 March 2026, prices for Washington, D.C. Dulles Intl Airport to Houston Hobby Airport flights are approximately 24% 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 09m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport takes 3h 09m
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

  • 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 09m.

  • 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
5.7
3,040 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $106Free CancellationRating
6.3
8,494 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $196Free CancellationRating
7.1
11,370 reviews
Search American Airlines flights
United AirlinesPriceFrom $241Free CancellationRating
7.4
9,366 reviews
Search United Airlines flights
DeltaPriceFrom $257Free CancellationRating
7.9
8,244 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
Kemah
Baytown
Texas City
Rosenberg
Webster
Pearland
Freeport
League City
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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