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Cheap flights from Washington, D.C. Dulles Intl Airport to Houston from $73

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 12/5. 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.
Frontier Logo
5:45 am - 5:30 pmIAD-IAH
12h 45m1 stop
Frontier Logo
4:50 pm - 11:05 pmIAH-IAD
5h 15m1 stop
$124Frontier
Find Deal
sex, dez 5 - sáb, dez 6
Frontier Logo
9:58 pm - 7:21 amIAD-IAH
10h 23m1 stop
Frontier Logo
8:28 pm - 8:33 amIAH-IAD
11h 05m1 stop
$127Frontier
Find Deal
dom, dez 21 - sáb, fev 7
Frontier Logo
5:45 am - 4:10 pmIAD-IAH
11h 25m1 stop
Frontier Logo
6:05 am - 5:25 pmIAH-IAD
10h 20m1 stop
$128Frontier
Find Deal
qui, dez 11 - seg, dez 15
Frontier Logo
9:00 am - 8:53 pmIAD-IAH
12h 53m1 stop
Frontier Logo
4:50 pm - 11:05 pmIAH-IAD
5h 15m1 stop
$129Frontier
Find Deal
qua, dez 3 - sáb, dez 6
American Airlines Logo
6:04 am - 5:52 pmIAD-HOU
12h 48m1 stop
American Airlines Logo
6:00 am - 4:42 pmHOU-IAD
9h 42m1 stop
$283American Airlines
Find Deal
seg, nov 24 - qui, nov 27
Delta Logo
1:00 pm - 9:46 pmIAD-HOU
9h 46m1 stop
Delta Logo
1:00 pm - 12:07 amHOU-IAD
10h 07m1 stop
$303Delta
Find Deal
ter, mar 10 - qua, mar 11
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
sáb, dez 13 - sáb, jan 17
American Airlines Logo
11:25 am - 7:50 pmIAD-HOU
9h 25m2 stops
American Airlines Logo
6:00 am - 4:42 pmHOU-IAD
9h 42m1 stop
$330American Airlines
Find Deal
seg, nov 24 - qui, nov 27
Delta Logo
7:01 am - 1:28 pmIAD-HOU
7h 27m1 stop
Delta Logo
2:32 pm - 12:12 amHOU-IAD
8h 40m1 stop
$366Delta
Find Deal
seg, nov 24 - qua, dez 3
Delta Logo
4:17 pm - 8:24 pmIAD-HOU
5h 07m1 stop
Delta Logo
6:00 am - 12:13 pmHOU-IAD
5h 13m1 stop
$367Delta
Find Deal
qua, dez 31 - qui, jan 1

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
Nov 24
IAD6:04 amWashington, D.C. Dulles Intl
12h 48m
1 stop
HOU5:52 pmHouston Hobby
Nov 27
HOU6:00 amHouston Hobby
9h 42m
1 stop
IAD4:42 pmWashington, D.C. Dulles Intl
$283
Find similar
American Airlines
Dec 13
IAD6:00 amWashington, D.C. Dulles Intl
6h 45m
1 stop
HOU11:45 amHouston Hobby
Jan 17
HOU10:35 amHouston Hobby
9h 42m
1 stop
IAD9:17 pmWashington, D.C. Dulles Intl
$329
Find similar
American Airlines
Nov 24
IAD11:25 amWashington, D.C. Dulles Intl
9h 25m
2 stops
HOU7:50 pmHouston Hobby
Nov 27
HOU6:00 amHouston Hobby
9h 42m
1 stop
IAD4:42 pmWashington, D.C. Dulles Intl
$330
Find similar

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 19
IAD5:30 amWashington, D.C. Dulles Intl
9h 30m
1 stop
HOU2:00 pmHouston Hobby
Feb 23
HOU11:55 amHouston Hobby
9h 45m
1 stop
IAD10:40 pmWashington, D.C. Dulles Intl
$371
Find similar
Southwest
Feb 18
IAD9:05 amWashington, D.C. Dulles Intl
9h 30m
1 stop
HOU5:35 pmHouston Hobby
Feb 21
HOU11:25 amHouston Hobby
9h 20m
2 stops
IAD9:45 pmWashington, D.C. Dulles Intl
$372
Find similar
Southwest
Feb 19
IAD5:30 amWashington, D.C. Dulles Intl
10h 50m
2 stops
HOU3:20 pmHouston Hobby
Feb 23
HOU11:55 amHouston Hobby
9h 45m
1 stop
IAD10:40 pmWashington, D.C. Dulles Intl
$376
Find similar

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 novembro 13, 2025.
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

sex 12/5

5:45 am-5:30 pm

1 stop12h 45m

Houston George Bush Intcntl

sáb 12/6

4:50 pm-11:05 pm

1 stop5h 15m

$124

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

dom 12/21

9:58 pm-7:21 am

1 stop10h 23m

Houston George Bush Intcntl

sáb 2/7

8:28 pm-8:33 am

1 stop11h 05m

$127

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

qui 12/11

5:45 am-4:10 pm

1 stop11h 25m

Houston George Bush Intcntl

seg 12/15

6:05 am-5:25 pm

1 stop10h 20m

$128

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

qua 12/3

9:00 am-8:53 pm

1 stop12h 53m

Houston George Bush Intcntl

sáb 12/6

4:50 pm-11:05 pm

1 stop5h 15m

$129

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

seg 11/24

6:04 am-5:52 pm

1 stop12h 48m

Houston Hobby

qui 11/27

6:00 am-4:42 pm

1 stop9h 42m

$283

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

ter 3/10

1:00 pm-9:46 pm

1 stop9h 46m

Houston Hobby

qua 3/11

1:00 pm-12:07 am

1 stop10h 07m

$303

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

sáb 12/13

6:00 am-11:45 am

1 stop6h 45m

Houston Hobby

sáb 1/17

10:35 am-9:17 pm

1 stop9h 42m

$329

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

seg 11/24

11:25 am-7:50 pm

2 stops9h 25m

Houston Hobby

qui 11/27

6:00 am-4:42 pm

1 stop9h 42m

$330

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

seg 11/24

7:01 am-1:28 pm

1 stop7h 27m

Houston Hobby

qua 12/3

2:32 pm-12:12 am

1 stop8h 40m

$366

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

qua 12/31

4:17 pm-8:24 pm

1 stop5h 07m

Houston Hobby

qui 1/1

6:00 am-12:13 pm

1 stop5h 13m

$367

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

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 $332.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $349. 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 $512.

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 $400. Try not to purchase tickets in the afternoon because they tend to be around $602. 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 $380 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 19m

Direct flights

Every day

Airports in Houston

1 airport
The fastest flight from Washington, D.C. Dulles Intl Airport to Houston takes 3h 19m
Direct flights go from Washington, D.C. Dulles Intl Airport to Houston every day.
There is 1 airport near Houston: 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 5h 05m.

  • 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 $91Free CancellationRating
6.3
8,139 reviews
Search Spirit Airlines flights
FrontierPriceFrom $104Free CancellationRating
5.8
3,114 reviews
Search Frontier flights
DeltaPriceFrom $144Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $253Free CancellationRating
7.4
9,015 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.

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