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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 10/12. 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

Frontier Logo
7:15 am - 11:40 amIAD-IAH
5h 25m1 stop
Frontier Logo
2:10 pm - 8:53 pmIAH-IAD
5h 43m1 stop
$137Frontier
Find Deal
Sat, Oct 18 - Sat, Oct 18
Frontier Logo
5:34 pm - 9:55 pmIAD-IAH
5h 21m1 stop
Frontier Logo
10:28 am - 7:51 pmIAH-IAD
8h 23m1 stop
$143Frontier
Find Deal
Thu, Nov 6 - Sat, Nov 8
Frontier Logo
3:10 pm - 9:00 amIAD-IAH
18h 50m1 stop
Frontier Logo
7:57 pm - 7:14 pmIAH-IAD
22h 17m1 stop
$144Frontier
Find Deal
Fri, Oct 17 - Sun, Oct 19
United Airlines Logo
8:30 am - 10:52 amIAD-IAH
3h 22mnonstop
United Airlines Logo
7:50 pm - 11:51 pmIAH-IAD
3h 01mnonstop
$147United Airlines
Find Deal
Wed, Oct 8 - Sat, Oct 11
Frontier Logo
7:10 am - 12:05 pmIAD-IAH
5h 55m1 stop
Frontier Logo
6:20 am - 4:34 pmIAH-IAD
9h 14m1 stop
$150Frontier
Find Deal
Sat, Nov 1 - Sun, Nov 9
Frontier Logo
6:00 am - 5:01 pmIAD-IAH
12h 01m1 stop
Frontier Logo
11:33 am - 10:09 pmIAH-IAD
9h 36m1 stop
$151Frontier
Find Deal
Thu, Oct 30 - Sun, Nov 2
Multiple Airlines Logo
6:00 am - 12:04 pmIAD-IAH
7h 04m1 stop
Multiple Airlines Logo
5:58 pm - 12:11 amIAH-IAD
5h 13m1 stop
$166Multiple Airlines
Find Deal
Mon, Nov 3 - Mon, Nov 3
United Airlines Logo
6:01 am - 8:16 amIAD-IAH
3h 15mnonstop
United Airlines Logo
7:50 pm - 11:51 pmIAH-IAD
3h 01mnonstop
$178United Airlines
Find Deal
Fri, Oct 10 - Mon, Oct 20
United Airlines Logo
6:01 am - 8:16 amIAD-IAH
3h 15mnonstop
United Airlines Logo
7:50 pm - 11:44 pmIAH-IAD
2h 54mnonstop
$181United Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
United Airlines Logo
8:30 am - 11:05 amIAD-IAH
3h 35mnonstop
United Airlines Logo
7:50 pm - 11:49 pmIAH-IAD
2h 59mnonstop
$203United Airlines
Find Deal
Wed, Dec 17 - Mon, Dec 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
Oct 18
IAD7:15 amWashington, D.C. Dulles Intl
5h 25m
1 stop
IAH11:40 amHouston George Bush Intcntl
Oct 18
IAH2:10 pmHouston George Bush Intcntl
5h 43m
1 stop
IAD8:53 pmWashington, D.C. Dulles Intl
$137
Find similar
Frontier
Nov 6
IAD5:34 pmWashington, D.C. Dulles Intl
5h 21m
1 stop
IAH9:55 pmHouston George Bush Intcntl
Nov 8
IAH10:28 amHouston George Bush Intcntl
8h 23m
1 stop
IAD7:51 pmWashington, D.C. Dulles Intl
$143
Find similar
Frontier
Sep 25
IAD8:59 pmWashington, D.C. Dulles Intl
19h 45m
1 stop
IAH3:44 pmHouston George Bush Intcntl
Sep 28
IAH9:10 pmHouston George Bush Intcntl
21h 59m
1 stop
IAD8:09 pmWashington, D.C. Dulles Intl
$144
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
Oct 8
IAD8:30 amWashington, D.C. Dulles Intl
3h 22m
IAH10:52 amHouston George Bush Intcntl
Oct 11
IAH7:50 pmHouston George Bush Intcntl
3h 01m
IAD11:51 pmWashington, D.C. Dulles Intl
$147
Find similar
United Airlines
Oct 10
IAD6:01 amWashington, D.C. Dulles Intl
3h 15m
IAH8:16 amHouston George Bush Intcntl
Oct 20
IAH7:50 pmHouston George Bush Intcntl
3h 01m
IAD11:51 pmWashington, D.C. Dulles Intl
$178
Find similar
United Airlines
Oct 23
IAD6:01 amWashington, D.C. Dulles Intl
3h 15m
IAH8:16 amHouston George Bush Intcntl
Oct 26
IAH7:50 pmHouston George Bush Intcntl
2h 54m
IAD11:44 pmWashington, D.C. Dulles Intl
$181
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 September 17, 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

Sat 10/18

7:15 am-11:40 am

1 stop5h 25m

Houston George Bush Intcntl

Sat 10/18

2:10 pm-8:53 pm

1 stop5h 43m

$137

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Thu 11/6

5:34 pm-9:55 pm

1 stop5h 21m

Houston George Bush Intcntl

Sat 11/8

10:28 am-7:51 pm

1 stop8h 23m

$143

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Fri 10/17

3:10 pm-9:00 am

1 stop18h 50m

Houston George Bush Intcntl

Sun 10/19

7:57 pm-7:14 pm

1 stop22h 17m

$144

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Wed 10/8

8:30 am-10:52 am

Nonstop3h 22m

Houston George Bush Intcntl

Sat 10/11

7:50 pm-11:51 pm

Nonstop3h 01m

$147

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sat 11/1

7:10 am-12:05 pm

1 stop5h 55m

Houston George Bush Intcntl

Sun 11/9

6:20 am-4:34 pm

1 stop9h 14m

$150

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Thu 10/30

6:00 am-5:01 pm

1 stop12h 01m

Houston George Bush Intcntl

Sun 11/2

11:33 am-10:09 pm

1 stop9h 36m

$151

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Mon 11/3

6:00 am-12:04 pm

1 stop7h 04m

Houston George Bush Intcntl

Mon 11/3

5:58 pm-12:11 am

1 stop5h 13m

$166

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Fri 10/10

6:01 am-8:16 am

Nonstop3h 15m

Houston George Bush Intcntl

Mon 10/20

7:50 pm-11:51 pm

Nonstop3h 01m

$178

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Thu 10/23

6:01 am-8:16 am

Nonstop3h 15m

Houston George Bush Intcntl

Sun 10/26

7:50 pm-11:44 pm

Nonstop2h 54m

$181

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Wed 12/17

8:30 am-11:05 am

Nonstop3h 35m

Houston George Bush Intcntl

Mon 12/22

7:50 pm-11:49 pm

Nonstop2h 59m

$203

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 $260. 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 April is also very affordable. Most momondo users find prices during this month for around $323.

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 $489. 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 George Bush Intcntl Airport on Sunday is $547.

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 $395. Try not to purchase tickets in the afternoon because they tend to be around $658. 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 $363 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 $299 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?

You could potentially save up to 37% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport flight.

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

As of September 2025, prices for Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport flights are approximately 38% 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

$171

Fastest flight time

3h 12m

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 $171. 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 $353.
The fastest flight from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport takes 3h 12m
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 15m.

  • 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
8,023 reviews
Search Spirit Airlines flights
FrontierPriceFrom $152Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
American AirlinesPriceFrom $234Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $240Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $255Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

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

    Across 33 United Airlines flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport this week, the average price was $374, with the best United Airlines deals starting from $255 round-trip. 8,926 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
Humble
Cypress
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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