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Cheap flights from Washington, D.C. Dulles Intl Airport to Houston from $72

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 12/6. 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.
Multiple Airlines Logo
4:00 pm - 2:03 pmIAD-IAH
23h 03m1 stop
Multiple Airlines Logo
6:05 pm - 11:38 amIAH-IAD
16h 33m1 stop
$143Multiple Airlines
Find Deal
Mon, Dec 15 - Thu, Dec 18
Frontier Logo
5:33 pm - 10:53 pmIAD-IAH
6h 20m1 stop
Frontier Logo
8:17 pm - 2:42 pmIAH-IAD
17h 25m1 stop
$144Frontier
Find Deal
Fri, Feb 6 - Sat, Feb 14
Multiple Airlines Logo
10:08 pm - 8:00 pmIAD-IAH
22h 52m1 stop
Multiple Airlines Logo
5:05 am - 11:43 amIAH-IAD
5h 38m1 stop
$145Multiple Airlines
Find Deal
Fri, Jan 16 - Mon, Jan 19
Multiple Airlines Logo
2:58 pm - 10:01 amIAD-IAH
20h 03m2 stops
Multiple Airlines Logo
6:05 pm - 3:27 pmIAH-IAD
20h 22m1 stop
$146Multiple Airlines
Find Deal
Fri, Jan 9 - Sun, Jan 11
Multiple Airlines Logo
6:00 am - 3:19 pmIAD-IAH
10h 19m1 stop
Multiple Airlines Logo
6:00 am - 4:55 pmIAH-IAD
9h 55m1 stop
$147Multiple Airlines
Find Deal
Sat, Jan 10 - Sun, Jan 18
Multiple Airlines Logo
10:03 am - 7:24 pmIAD-IAH
10h 21m1 stop
Multiple Airlines Logo
6:05 pm - 3:27 pmIAH-IAD
20h 22m1 stop
$150Multiple Airlines
Find Deal
Sat, Jan 10 - Sun, Jan 11
American Airlines Logo
6:00 am - 3:50 pmIAD-HOU
10h 50m1 stop
American Airlines Logo
4:20 pm - 10:48 pmHOU-IAD
5h 28m1 stop
$312American Airlines
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Thu, Feb 19 - Mon, Feb 23
Delta Logo
6:15 pm - 10:33 pmIAD-HOU
5h 18m1 stop
Delta Logo
5:04 pm - 11:37 pmHOU-IAD
5h 33m1 stop
$323Delta
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Thu, Jan 8 - Sat, Jan 10
American Airlines Logo
6:07 pm - 11:46 pmIAD-HOU
6h 39m1 stop
American Airlines Logo
5:40 am - 5:05 pmHOU-IAD
10h 25m1 stop
$329American Airlines
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Tue, Dec 30 - Thu, Jan 1
Delta Logo
5:59 pm - 10:33 pmIAD-HOU
5h 34m1 stop
Delta Logo
5:45 am - 11:37 amHOU-IAD
4h 52m1 stop
$336Delta
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Sat, Jan 17 - Sun, Jan 18

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 19
IAD6:00 amWashington, D.C. Dulles Intl
10h 50m
1 stop
HOU3:50 pmHouston Hobby
Feb 23
HOU4:20 pmHouston Hobby
5h 28m
1 stop
IAD10:48 pmWashington, D.C. Dulles Intl
$312
Find similar
American Airlines
Dec 30
IAD6:07 pmWashington, D.C. Dulles Intl
6h 39m
1 stop
HOU11:46 pmHouston Hobby
Jan 1
HOU5:40 amHouston Hobby
10h 25m
1 stop
IAD5:05 pmWashington, D.C. Dulles Intl
$329
Find similar
American Airlines
Jan 27
IAD7:01 amWashington, D.C. Dulles Intl
10h 11m
2 stops
HOU4:12 pmHouston Hobby
Jan 29
HOU9:04 amHouston Hobby
6h 27m
1 stop
IAD4:31 pmWashington, D.C. Dulles Intl
$345
Find similar

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Houston flight tickets
Delta
Jan 8
IAD6:15 pmWashington, D.C. Dulles Intl
5h 18m
1 stop
HOU10:33 pmHouston Hobby
Jan 10
HOU5:04 pmHouston Hobby
5h 33m
1 stop
IAD11:37 pmWashington, D.C. Dulles Intl
$323
Find similar
Delta
Jan 17
IAD5:59 pmWashington, D.C. Dulles Intl
5h 34m
1 stop
HOU10:33 pmHouston Hobby
Jan 18
HOU5:45 amHouston Hobby
4h 52m
1 stop
IAD11:37 amWashington, D.C. Dulles Intl
$336
Find similar
Delta
Dec 10
IAD5:59 pmWashington, D.C. Dulles Intl
5h 49m
1 stop
HOU10:48 pmHouston Hobby
Dec 17
HOU6:00 amHouston Hobby
4h 35m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$340
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 November 26, 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

Mon 12/15

4:00 pm-2:03 pm

1 stop23h 03m

Houston George Bush Intcntl

Thu 12/18

6:05 pm-11:38 am

1 stop16h 33m

$143

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Fri 2/6

5:33 pm-10:53 pm

1 stop6h 20m

Houston George Bush Intcntl

Sat 2/14

8:17 pm-2:42 pm

1 stop17h 25m

$144

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Fri 1/16

10:08 pm-8:00 pm

1 stop22h 52m

Houston George Bush Intcntl

Mon 1/19

5:05 am-11:43 am

1 stop5h 38m

$145

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Fri 1/9

2:58 pm-10:01 am

2 stops20h 03m

Houston George Bush Intcntl

Sun 1/11

6:05 pm-3:27 pm

1 stop20h 22m

$146

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sat 1/10

6:00 am-3:19 pm

1 stop10h 19m

Houston George Bush Intcntl

Sun 1/18

6:00 am-4:55 pm

1 stop9h 55m

$147

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sat 1/10

10:03 am-7:24 pm

1 stop10h 21m

Houston George Bush Intcntl

Sun 1/11

6:05 pm-3:27 pm

1 stop20h 22m

$150

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 2/19

6:00 am-3:50 pm

1 stop10h 50m

Houston Hobby

Mon 2/23

4:20 pm-10:48 pm

1 stop5h 28m

$312

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 1/8

6:15 pm-10:33 pm

1 stop5h 18m

Houston Hobby

Sat 1/10

5:04 pm-11:37 pm

1 stop5h 33m

$323

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 12/30

6:07 pm-11:46 pm

1 stop6h 39m

Houston Hobby

Thu 1/1

5:40 am-5:05 pm

1 stop10h 25m

$329

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sat 1/17

5:59 pm-10:33 pm

1 stop5h 34m

Houston Hobby

Sun 1/18

5:45 am-11:37 am

1 stop4h 52m

$336

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 $344. 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 $501.

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 $402. Try not to purchase tickets in the afternoon because they tend to be around $612. 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 06m

Direct flights

Every day

Airports in Houston

1 airport
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 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 01m.

  • 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
8,158 reviews
Search Spirit Airlines flights
FrontierPriceFrom $104Free CancellationRating
5.8
3,099 reviews
Search Frontier flights
DeltaPriceFrom $144Free CancellationRating
7.9
7,998 reviews
Search Delta flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
United AirlinesPriceFrom $253Free CancellationRating
7.4
9,046 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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