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Cheap flights from Washington, D.C. Dulles Intl Airport to Houston from $78

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 11/14. 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
5:26 pm - 8:25 amIAD-IAH
15h 59m1 stop
Multiple Airlines Logo
5:59 pm - 2:29 pmIAH-IAD
19h 30m1 stop
$136Multiple Airlines
Find Deal
dom., dic. 7 - lun., dic. 8
Frontier Logo
5:45 am - 4:10 pmIAD-IAH
11h 25m1 stop
Frontier Logo
6:05 am - 4:24 pmIAH-IAD
9h 19m1 stop
$137Frontier
Find Deal
jue., dic. 4 - dom., dic. 7
Multiple Airlines Logo
8:40 am - 7:44 amIAD-IAH
24h 04m1 stop
Multiple Airlines Logo
10:28 am - 7:51 pmIAH-IAD
8h 23m1 stop
$138Multiple Airlines
Find Deal
mar., nov. 11 - sáb., nov. 15
Multiple Airlines Logo
8:40 am - 6:31 pmIAD-IAH
10h 51m1 stop
Multiple Airlines Logo
5:15 am - 11:38 amIAH-IAD
5h 23m1 stop
$140Multiple Airlines
Find Deal
mié., nov. 19 - sáb., ene. 10
American Airlines Logo
6:05 am - 3:47 pmIAD-HOU
10h 42m1 stop
American Airlines Logo
9:04 am - 4:31 pmHOU-IAD
6h 27m1 stop
$310American Airlines
Find Deal
jue., ene. 1 - jue., ene. 8
Delta Logo
5:25 pm - 9:46 pmIAD-HOU
5h 21m1 stop
Delta Logo
1:00 pm - 6:42 pmHOU-IAD
4h 42m1 stop
$321Delta
Find Deal
sáb., feb. 14 - mar., feb. 17
Delta Logo
6:20 am - 4:12 pmIAD-HOU
10h 52m1 stop
Delta Logo
5:35 am - 8:47 pmHOU-IAD
14h 12m1 stop
$343Delta
Find Deal
mié., ene. 14 - lun., ene. 19
Southwest Logo
6:35 am - 3:40 pmIAD-HOU
10h 05m1 stop
Southwest Logo
5:10 am - 1:10 pmHOU-IAD
7h 00m1 stop
$354Southwest
Find Deal
sáb., nov. 22 - lun., nov. 24
Southwest Logo
5:05 am - 3:50 pmIAD-HOU
11h 45m2 stops
Southwest Logo
11:55 am - 10:40 pmHOU-IAD
9h 45m1 stop
$359Southwest
Find Deal
sáb., feb. 14 - mar., feb. 17
American Airlines Logo
6:00 am - 11:45 amIAD-HOU
6h 45m1 stop
American Airlines Logo
10:08 am - 7:31 pmHOU-IAD
8h 23m2 stops
$382American Airlines
Find Deal
mié., dic. 3 - sáb., dic. 6

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
Feb 14
IAD5:25 pmWashington, D.C. Dulles Intl
5h 21m
1 stop
HOU9:46 pmHouston Hobby
Feb 17
HOU1:00 pmHouston Hobby
4h 42m
1 stop
IAD6:42 pmWashington, D.C. Dulles Intl
$321
Find similar
Delta
Jan 14
IAD6:20 amWashington, D.C. Dulles Intl
10h 52m
1 stop
HOU4:12 pmHouston Hobby
Jan 19
HOU5:35 amHouston Hobby
14h 12m
1 stop
IAD8:47 pmWashington, D.C. Dulles Intl
$343
Find similar
Delta
Nov 24
IAD5:59 pmWashington, D.C. Dulles Intl
6h 08m
1 stop
HOU11:07 pmHouston Hobby
Dec 2
HOU2:32 pmHouston Hobby
5h 57m
1 stop
IAD9:29 pmWashington, D.C. Dulles Intl
$344
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
Nov 22
IAD6:35 amWashington, D.C. Dulles Intl
10h 05m
1 stop
HOU3:40 pmHouston Hobby
Nov 24
HOU5:10 amHouston Hobby
7h 00m
1 stop
IAD1:10 pmWashington, D.C. Dulles Intl
$354
Find similar
Southwest
Feb 14
IAD5:05 amWashington, D.C. Dulles Intl
11h 45m
2 stops
HOU3:50 pmHouston Hobby
Feb 17
HOU11:55 amHouston Hobby
9h 45m
1 stop
IAD10:40 pmWashington, D.C. Dulles Intl
$359
Find similar
Southwest
Jan 17
IAD7:00 amWashington, D.C. Dulles Intl
11h 00m
2 stops
HOU5:00 pmHouston Hobby
Jan 20
HOU2:10 pmHouston Hobby
6h 45m
1 stop
IAD9:55 pmWashington, D.C. Dulles Intl
$383
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 octubre 30, 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

dom. 12/7

5:26 pm-8:25 am

1 stop15h 59m

Houston George Bush Intcntl

lun. 12/8

5:59 pm-2:29 pm

1 stop19h 30m

$136

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

jue. 12/4

5:45 am-4:10 pm

1 stop11h 25m

Houston George Bush Intcntl

dom. 12/7

6:05 am-4:24 pm

1 stop9h 19m

$137

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

mar. 11/11

8:40 am-7:44 am

1 stop24h 04m

Houston George Bush Intcntl

sáb. 11/15

10:28 am-7:51 pm

1 stop8h 23m

$138

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

mié. 11/19

8:40 am-6:31 pm

1 stop10h 51m

Houston George Bush Intcntl

sáb. 1/10

5:15 am-11:38 am

1 stop5h 23m

$140

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

jue. 1/1

6:05 am-3:47 pm

1 stop10h 42m

Houston Hobby

jue. 1/8

9:04 am-4:31 pm

1 stop6h 27m

$310

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

sáb. 2/14

5:25 pm-9:46 pm

1 stop5h 21m

Houston Hobby

mar. 2/17

1:00 pm-6:42 pm

1 stop4h 42m

$321

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

mié. 1/14

6:20 am-4:12 pm

1 stop10h 52m

Houston Hobby

lun. 1/19

5:35 am-8:47 pm

1 stop14h 12m

$343

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

sáb. 11/22

6:35 am-3:40 pm

1 stop10h 05m

Houston Hobby

lun. 11/24

5:10 am-1:10 pm

1 stop7h 00m

$354

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

sáb. 2/14

5:05 am-3:50 pm

2 stops11h 45m

Houston Hobby

mar. 2/17

11:55 am-10:40 pm

1 stop9h 45m

$359

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

mié. 12/3

6:00 am-11:45 am

1 stop6h 45m

Houston Hobby

sáb. 12/6

10:08 am-7:31 pm

2 stops8h 23m

$382

Flights are sorted by cheapest round-trip flights 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 May is, on average, the cheapest month to fly to Houston from Washington, D.C. Dulles Intl Airport, with most prices found around $349. The month of July is another great option to travel to Houston, 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?

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 $511.

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 $396. 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.

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 $384 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 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
8,116 reviews
Search Spirit Airlines flights
FrontierPriceFrom $100Free CancellationRating
5.8
3,122 reviews
Search Frontier flights
DeltaPriceFrom $144Free CancellationRating
7.9
7,998 reviews
Search Delta flights
American AirlinesPriceFrom $234Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
United AirlinesPriceFrom $253Free CancellationRating
7.4
8,998 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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