What airlines fly to Houston?

United Airlines, Frontier and Spirit Airlines are the top three most popular airlines that fly to Houston from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 76% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 4 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

How many flights depart from Washington, D.C. Dulles Intl Airport to Houston on average per day?

12 flights are operational daily from Washington, D.C. Dulles Intl Airport to Houston as of May 2026. The most popular departure time for this route is 5:00PM, with 49% of flights per day taking off in the afternoon.

Which airline has the best punctuality record on Washington, D.C. to Houston flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Houston?

Delta, Allegiant Air, and United Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Houston

What is the most punctual flight time for Washington, D.C. to Houston flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

How often are flights from Washington, D.C. to Houston delayed?

Historically, on average around 13% of flights between Washington, D.C. and Houston have experienced a delay on any given week. The average delay length over the past 12 months has been 161 minutes.

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?

As of May 2026, there are 4 operators available to choose from 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.

$76 Cheap Flights from Washington, D.C. Dulles Intl Airport to Houston in 2026

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Houston on average per week?

The number of flights available between Washington, D.C. Dulles Intl Airport and Houston is 84 per week as of May 2026. The most frequent departure day is Fri, with 23% of weekly flights leaving on this day.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Houston

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:52 pm - 8:50 am

IAD

IAH

18h 58m

2 stops

8:02 pm - 10:12 am

IAH

IAD

13h 10m

1 stop

$145Multiple Airlines

Mon, May 25 - Tue, Jun 2

7:45 am - 7:38 pm

IAD

IAH

12h 53m

1 stop

8:39 am - 7:50 pm

IAH

IAD

10h 11m

1 stop

$146Multiple Airlines

Thu, Jun 4 - Sat, Jun 6

8:47 pm - 7:34 am

IAD

IAH

11h 47m

1 stop

5:45 am - 5:27 pm

IAH

IAD

10h 42m

1 stop

$147Frontier

Sat, May 23 - Wed, May 27

7:40 am - 2:58 pm

IAD

IAH

8h 18m

1 stop

5:45 am - 5:27 pm

IAH

IAD

10h 42m

1 stop

$150Frontier

Wed, May 20 - Wed, May 27

8:47 pm - 7:34 am

IAD

IAH

11h 47m

1 stop

6:30 am - 11:22 pm

IAH

IAD

15h 52m

1 stop

$151Frontier

Sun, May 24 - Thu, Jun 18

11:07 am - 10:50 pm

IAD

IAH

12h 43m

1 stop

8:39 am - 6:42 pm

IAH

IAD

9h 03m

1 stop

$152Frontier

Wed, May 27 - Wed, Jun 3

7:40 am - 2:58 pm

IAD

IAH

8h 18m

1 stop

9:17 pm - 4:21 pm

IAH

IAD

18h 04m

2 stops

$153Frontier

Tue, May 19 - Mon, Jun 1

6:08 am - 10:26 pm

IAD

HOU

17h 18m

1 stop

6:00 am - 12:10 am

HOU

IAD

17h 10m

1 stop

$307Delta

Wed, May 27 - Wed, Aug 26

5:30 pm - 9:32 am

IAD

HOU

17h 02m

1 stop

6:00 am - 12:44 am

HOU

IAD

17h 44m

1 stop

$321Delta

Sun, May 24 - Wed, Jun 17

4:30 pm - 11:25 pm

IAD

HOU

7h 55m

1 stop

7:00 am - 4:50 pm

HOU

IAD

8h 50m

2 stops

$396Southwest

Wed, May 27 - Wed, Jun 3

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

May 27

IAD6:08 amWashington, D.C. Dulles Intl

17h 18m

1 stop

HOU10:26 pmHouston Hobby

Aug 26

HOU6:00 amHouston Hobby

17h 10m

1 stop

IAD12:10 amWashington, D.C. Dulles Intl

$307

Delta

May 24

IAD5:30 pmWashington, D.C. Dulles Intl

17h 02m

1 stop

HOU9:32 amHouston Hobby

Aug 26

HOU1:00 pmHouston Hobby

10h 10m

1 stop

IAD12:10 amWashington, D.C. Dulles Intl

$321

Delta

May 28

IAD3:08 pmWashington, D.C. Dulles Intl

8h 18m

1 stop

HOU10:26 pmHouston Hobby

Jun 8

HOU6:00 amHouston Hobby

11h 42m

1 stop

IAD6:42 pmWashington, D.C. Dulles Intl

$335

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

May 27

IAD4:30 pmWashington, D.C. Dulles Intl

7h 55m

1 stop

HOU11:25 pmHouston Hobby

Jun 3

HOU7:00 amHouston Hobby

8h 50m

2 stops

IAD4:50 pmWashington, D.C. Dulles Intl

$396

Southwest

May 28

IAD5:55 pmWashington, D.C. Dulles Intl

7h 30m

1 stop

HOU12:25 amHouston Hobby

Jun 3

HOU7:00 amHouston Hobby

8h 50m

2 stops

IAD4:50 pmWashington, D.C. Dulles Intl

$410

Southwest

May 29

IAD5:55 amWashington, D.C. Dulles Intl

9h 30m

1 stop

HOU2:25 pmHouston Hobby

Jun 3

HOU6:40 amHouston Hobby

9h 10m

1 stop

IAD4:50 pmWashington, D.C. Dulles Intl

$424

momondo Fare Finder

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

Cheapest round-trip

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Mon 5/25

2:52 pm-8:50 am

2 stops18h 58m

Houston George Bush Intcntl

Tue 6/2

8:02 pm-10:12 am

1 stop13h 10m

$145

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Thu 6/4

7:45 am-7:38 pm

1 stop12h 53m

Houston George Bush Intcntl

Sat 6/6

8:39 am-7:50 pm

1 stop10h 11m

$146

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sat 5/23

8:47 pm-7:34 am

1 stop11h 47m

Houston George Bush Intcntl

Wed 5/27

5:45 am-5:27 pm

1 stop10h 42m

$147

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Wed 5/20

7:40 am-2:58 pm

1 stop8h 18m

Houston George Bush Intcntl

Wed 5/27

5:45 am-5:27 pm

1 stop10h 42m

$150

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sun 5/24

8:47 pm-7:34 am

1 stop11h 47m

Houston George Bush Intcntl

Thu 6/18

6:30 am-11:22 pm

1 stop15h 52m

$151

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Wed 5/27

11:07 am-10:50 pm

1 stop12h 43m

Houston George Bush Intcntl

Wed 6/3

8:39 am-6:42 pm

1 stop9h 03m

$152

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Tue 5/19

7:40 am-2:58 pm

1 stop8h 18m

Houston George Bush Intcntl

Mon 6/1

9:17 pm-4:21 pm

2 stops18h 04m

$153

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 5/27

6:08 am-10:26 pm

1 stop17h 18m

Houston Hobby

Wed 8/26

6:00 am-12:10 am

1 stop17h 10m

$307

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sun 5/24

5:30 pm-9:32 am

1 stop17h 02m

Houston Hobby

Wed 6/17

6:00 am-12:44 am

1 stop17h 44m

$321

Quickest round-trip

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 5/27

4:30 pm-11:25 pm

1 stop7h 55m

Houston Hobby

Wed 6/3

7:00 am-4:50 pm

2 stops8h 50m

$396

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Other information

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Houston?

What is the cheapest month to fly to Houston?

The month of January is, on average, the cheapest month to fly to Houston from Washington, D.C. Dulles Intl Airport, with most prices found around $73. The month of December is another great option to travel to Houston, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $84.

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 $383. 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 $519.

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 $440. Try not to purchase tickets in the afternoon because they tend to be around $620. 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 from Washington, D.C. Dulles Intl Airport 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 $387 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 $254 on momondo.

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 09m
Direct flights	Every day
Airports in Houston	2 airports

The fastest flight from Washington, D.C. Dulles Intl Airport to Houston takes 3h 09m

Direct flights go from Washington, D.C. Dulles Intl Airport to Houston every day.

There are 2 airports in Houston. From Washington, D.C. Dulles Intl Airport there are direct flights to Houston George Bush Intcntl (IAH).

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Houston

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 3h 09m.
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?
As of May 2026, there are 4 operators available to choose from 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 Airlines	PriceFrom $73	Free Cancellation	Rating 6.3 8,637 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $104	Free Cancellation	Rating 5.6 2,970 reviews	Search Frontier flights
United Airlines	PriceFrom $236	Free Cancellation	Rating 7.4 9,677 reviews	Search United Airlines flights
Delta	PriceFrom $257	Free Cancellation	Rating 7.9 8,464 reviews	Search Delta 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.

An easier way to manage your Houston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sun 5/31

Sun 6/7

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Other United States destinations

Other flights from Washington, D.C. Dulles Intl Airport

Complete your trip

Feeling lucky

Cheap flights from Washington, D.C. Dulles Intl Airport to Houston from $76

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Houston

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

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

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Houston that are best for you.

See travel insights to Houston from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Houston

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Houston?

What is the cheapest month to fly to Houston?

What is the cheapest day to depart on your flight to Houston?

What is the cheapest time of day to depart on your flight to Houston?

What is the cheapest Washington, D.C. Dulles Intl to Houston flight route?

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Houston?

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Houston?

What airlines fly to Houston?

How often are flights from Washington, D.C. to Houston delayed?

What is the most punctual flight time for Washington, D.C. to Houston flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Washington, D.C. to Houston flights?

How many flights depart from Washington, D.C. Dulles Intl Airport to Houston on average per day?

How many flights depart from Washington, D.C. Dulles Intl Airport to Houston on average per week?

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

Direct flights

Airports in Houston

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Houston

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

Why use momondo?

An easier way to manage your Houston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Texas

Fly your favorite airline to Houston

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Washington, D.C. Dulles Intl Airport

According to popular flight searches on momondo this year

Complete your trip to Houston

Explore popular destinations other users love

According to popular flight searches on momondo this year