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Cheap flights from Washington, D.C. Dulles Intl Airport to Houston from $77

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 2/26. 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
11:00 am - 8:01 pm
IAD
-
IAH
10h 01m1 stop
Frontier Logo
6:05 am - 4:28 pm
IAH
-
IAD
9h 23m1 stop
$133Frontier
Tue, Jan 20 - Thu, Jan 22
Multiple Airlines Logo
5:30 am - 10:33 am
IAD
-
IAH
6h 03m1 stop
Multiple Airlines Logo
6:00 am - 4:55 pm
IAH
-
IAD
9h 55m1 stop
$134Multiple Airlines
Sat, Jan 17 - Sun, Jan 18
Frontier Logo
5:37 pm - 10:51 pm
IAD
-
IAH
6h 14m1 stop
Frontier Logo
6:05 am - 4:28 pm
IAH
-
IAD
9h 23m1 stop
$136Frontier
Thu, Jan 29 - Mon, Feb 2
Multiple Airlines Logo
5:30 am - 10:33 am
IAD
-
IAH
6h 03m1 stop
Multiple Airlines Logo
5:05 am - 11:43 am
IAH
-
IAD
5h 38m1 stop
$137Multiple Airlines
Sat, Jan 17 - Sun, Jan 18
Frontier Logo
4:22 pm - 10:31 pm
IAD
-
IAH
7h 09m1 stop
Frontier Logo
8:16 pm - 8:04 am
IAH
-
IAD
10h 48m1 stop
$138Frontier
Mon, Jan 12 - Wed, Jan 14
Frontier Logo
5:50 pm - 11:00 pm
IAD
-
IAH
6h 10m1 stop
Frontier Logo
6:05 pm - 4:28 pm
IAH
-
IAD
21h 23m1 stop
$139Frontier
Sun, Jan 18 - Sun, Jan 25
Multiple Airlines Logo
4:22 pm - 10:31 pm
IAD
-
IAH
7h 09m1 stop
Multiple Airlines Logo
5:05 am - 11:07 am
IAH
-
IAD
5h 02m1 stop
$140Multiple Airlines
Mon, Jan 12 - Sat, Jan 17
Frontier Logo
5:37 pm - 10:51 pm
IAD
-
IAH
6h 14m1 stop
Frontier Logo
6:05 am - 4:28 pm
IAH
-
IAD
9h 23m1 stop
$141Frontier
Thu, Jan 22 - Mon, Jan 26
Frontier Logo
4:22 pm - 10:31 pm
IAD
-
IAH
7h 09m1 stop
Frontier Logo
6:05 am - 4:28 pm
IAH
-
IAD
9h 23m1 stop
$142Frontier
Mon, Jan 12 - Mon, Jan 26
Multiple Airlines Logo
6:00 am - 3:19 pm
IAD
-
IAH
10h 19m1 stop
Multiple Airlines Logo
6:05 pm - 4:33 pm
IAH
-
IAD
21h 28m1 stop
$143Multiple Airlines
Thu, Jan 15 - Thu, Jan 22

Frontier flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport flight tickets
Frontier
Jan 20
IAD11:00 amWashington, D.C. Dulles Intl
10h 01m
1 stop
IAH8:01 pmHouston George Bush Intcntl
Jan 22
IAH6:05 amHouston George Bush Intcntl
9h 23m
1 stop
IAD4:28 pmWashington, D.C. Dulles Intl
$133
Find similar
Frontier
Jan 29
IAD5:37 pmWashington, D.C. Dulles Intl
6h 14m
1 stop
IAH10:51 pmHouston George Bush Intcntl
Feb 2
IAH6:05 amHouston George Bush Intcntl
9h 23m
1 stop
IAD4:28 pmWashington, D.C. Dulles Intl
$136
Find similar
Frontier
Jan 18
IAD5:50 pmWashington, D.C. Dulles Intl
6h 10m
1 stop
IAH11:00 pmHouston George Bush Intcntl
Jan 25
IAH6:05 pmHouston George Bush Intcntl
21h 23m
1 stop
IAD4:28 pmWashington, D.C. Dulles Intl
$139
Find similar

United Airlines flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport flight tickets
United Airlines
Dec 31
IAD8:30 amWashington, D.C. Dulles Intl
3h 43m
IAH11:13 amHouston George Bush Intcntl
Dec 31
IAH7:50 pmHouston George Bush Intcntl
2h 59m
IAD11:49 pmWashington, D.C. Dulles Intl
$373
Find similar
United Airlines
Dec 31
IAD8:30 amWashington, D.C. Dulles Intl
3h 43m
IAH11:13 amHouston George Bush Intcntl
Jan 1
IAH4:27 pmHouston George Bush Intcntl
5h 39m
1 stop
IAD11:06 pmWashington, D.C. Dulles Intl
$383
Find similar
United Airlines
Dec 31
IAD6:30 amWashington, D.C. Dulles Intl
6h 35m
1 stop
IAH12:05 pmHouston George Bush Intcntl
Dec 31
IAH5:05 pmHouston George Bush Intcntl
6h 10m
1 stop
IAD12:15 amWashington, D.C. Dulles Intl
$393
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl 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 December 23, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport 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

Tue 1/20

11:00 am-8:01 pm

1 stop10h 01m

Houston George Bush Intcntl

Thu 1/22

6:05 am-4:28 pm

1 stop9h 23m

$133

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sat 1/17

5:30 am-10:33 am

1 stop6h 03m

Houston George Bush Intcntl

Sun 1/18

6:00 am-4:55 pm

1 stop9h 55m

$134

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Thu 1/29

5:37 pm-10:51 pm

1 stop6h 14m

Houston George Bush Intcntl

Mon 2/2

6:05 am-4:28 pm

1 stop9h 23m

$136

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sat 1/17

5:30 am-10:33 am

1 stop6h 03m

Houston George Bush Intcntl

Sun 1/18

5:05 am-11:43 am

1 stop5h 38m

$137

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Mon 1/12

4:22 pm-10:31 pm

1 stop7h 09m

Houston George Bush Intcntl

Wed 1/14

8:16 pm-8:04 am

1 stop10h 48m

$138

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sun 1/18

5:50 pm-11:00 pm

1 stop6h 10m

Houston George Bush Intcntl

Sun 1/25

6:05 pm-4:28 pm

1 stop21h 23m

$139

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Mon 1/12

4:22 pm-10:31 pm

1 stop7h 09m

Houston George Bush Intcntl

Sat 1/17

5:05 am-11:07 am

1 stop5h 02m

$140

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Thu 1/22

5:37 pm-10:51 pm

1 stop6h 14m

Houston George Bush Intcntl

Mon 1/26

6:05 am-4:28 pm

1 stop9h 23m

$141

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Mon 1/12

4:22 pm-10:31 pm

1 stop7h 09m

Houston George Bush Intcntl

Mon 1/26

6:05 am-4:28 pm

1 stop9h 23m

$142

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Thu 1/15

6:00 am-3:19 pm

1 stop10h 19m

Houston George Bush Intcntl

Thu 1/22

6:05 pm-4:33 pm

1 stop21h 28m

$143

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 George Bush Intcntl 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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Houston George Bush Intcntl Airport?

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

The month of September is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Washington, D.C. Dulles Intl Airport, with most prices found around $192. If you are unable to visit Houston George Bush Intcntl Airport during the month of September, then departing from Washington, D.C. Dulles Intl Airport during the month October is also very affordable. Most momondo users find prices during this month for around $281.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport is on a Friday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Friday will often find tickets for as low as $488. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Saturday is $525.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport flights are usually those with departure times in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $409. Try not to purchase tickets in the afternoon because they tend to be around $660. 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 George Bush Intcntl flight route?

Fly from Washington, D.C. Dulles Intl to Houston George Bush Intcntl for the best Washington, D.C. Dulles Intl - Houston George Bush Intcntl flight prices

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl 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 George Bush Intcntl Airport for around $359 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Washington, D.C. Dulles Intl Airport for as low as $305 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to Houston George Bush Intcntl flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Houston George Bush Intcntl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport.

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

As of December 2025, prices for Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport flights are approximately 9% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl 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 George Bush Intcntl 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 George Bush Intcntl Airport (IAD to IAH) 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 George Bush Intcntl Airport

Best Price Found

$194

Fastest flight time

3h 06m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Washington, D.C. Dulles Intl Airport in the past 72 hours is $194. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $397.
The fastest flight from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport takes 3h 06m
Direct flights go from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport every day.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Houston George Bush Intcntl by plane?

    A flight from Washington, D.C. Dulles Intl to Houston George Bush Intcntl will travel around 1188.5 mi. In terms of flight time, this usually takes a little over 3h 06m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl 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 George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The travel and health documents you'll need for your trip to Houston George Bush Intcntl 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 George Bush Intcntl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $91Free CancellationRating
6.3
8,194 reviews
Search Spirit Airlines flights
FrontierPriceFrom $151Free CancellationRating
5.8
3,076 reviews
Search Frontier flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
11,053 reviews
Search American Airlines flights
United AirlinesPriceFrom $252Free CancellationRating
7.4
9,103 reviews
Search United Airlines flights

  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport

    Across 26 United Airlines flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport this week, the average price was $385, with the best United Airlines deals starting from $252 round-trip. 9,103 users have rated United Airlines on momondo, with an average score of 7.4/10.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
The Woodlands
Katy
Conroe
Cypress
Humble
Spring
Montgomery
Tomball
Livingston
Jersey Village

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 offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Houston.

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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