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

As of October 2025, there are 15 flights per day flying from Houston to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 12:00PM, with 54% of flights taking off in the afternoon.

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

Frontier, American Airlines, and Southwest are the most popular carriers operating from Houston to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Houston according to our data. United Airlines is the first choice among our users, with 79% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 5 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

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

As of October 2025, there are 5 operators available to choose from for flights from Houston to Washington, D.C. Dulles Intl Airport.

How old do you have to be to fly from Houston to Washington, D.C. Dulles Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$74 Cheap Flights from Houston to Washington, D.C. Dulles Intl Airport in 2025/26

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

106 flights are operational weekly from Houston to Washington, D.C. Dulles Intl Airport as of October 2025. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.

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4:06 pm - 11:10 pmIAH-IAD

6h 04m1 stop

5:45 am - 10:50 pmIAD-IAH

18h 05m1 stop

$141Multiple Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

6:06 am - 4:34 pmIAH-IAD

9h 28m1 stop

5:34 pm - 10:06 pmIAD-IAH

5h 32m1 stop

$144Frontier

Find Deal

Thu, Oct 30 - Fri, Oct 31

5:02 pm - 11:10 pmIAH-IAD

5h 08m1 stop

5:26 pm - 10:50 pmIAD-IAH

6h 24m1 stop

$145Frontier

Find Deal

Thu, Dec 4 - Sun, Dec 7

8:00 am - 8:20 pmIAH-IAD

11h 20m1 stop

5:58 am - 11:57 amIAD-IAH

6h 59m1 stop

$149Frontier

Find Deal

Wed, Nov 5 - Sat, Nov 8

9:28 am - 4:18 pmIAH-IAD

5h 50m1 stop

8:05 pm - 12:22 amIAD-IAH

5h 17m1 stop

$218American Airlines

Find Deal

Sat, Dec 6 - Sat, Dec 6

6:50 am - 12:10 pmHOU-IAD

4h 20m1 stop

7:40 am - 4:30 pmIAD-HOU

9h 50m1 stop

$313Southwest

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Thu, Nov 27 - Thu, Dec 4

6:47 pm - 12:12 amHOU-IAD

4h 25m1 stop

6:00 am - 10:01 amIAD-HOU

5h 01m1 stop

$339Delta

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Wed, Dec 17 - Wed, Dec 31

6:00 am - 11:28 amHOU-IAD

4h 28m1 stop

10:05 am - 3:02 pmIAD-HOU

5h 57m1 stop

$340Delta

Find Deal

Sun, Jan 18 - Thu, Jan 29

5:10 am - 1:10 pmHOU-IAD

7h 00m1 stop

1:45 pm - 11:15 pmIAD-HOU

10h 30m1 stop

$384Southwest

Find Deal

Mon, Nov 24 - Tue, Nov 25

4:24 pm - 10:33 pmHOU-IAD

5h 09m1 stop

7:55 am - 3:54 pmIAD-HOU

8h 59m2 stops

$392American Airlines

Find Deal

Tue, Nov 11 - Tue, Nov 18

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

Our best Frontier deals on Houston to Washington, D.C. Dulles Intl Airport flight tickets

Frontier

Oct 25

IAH6:05 amHouston George Bush Intcntl

8h 12m

1 stop

IAD3:17 pmWashington, D.C. Dulles Intl

Oct 28

IAD8:47 amWashington, D.C. Dulles Intl

10h 44m

1 stop

IAH6:31 pmHouston George Bush Intcntl

$141

Find similar

Frontier

Oct 30

IAH6:06 amHouston George Bush Intcntl

9h 28m

1 stop

IAD4:34 pmWashington, D.C. Dulles Intl

Oct 31

IAD5:34 pmWashington, D.C. Dulles Intl

5h 32m

1 stop

IAH10:06 pmHouston George Bush Intcntl

$144

Find similar

Frontier

Dec 4

IAH5:02 pmHouston George Bush Intcntl

5h 08m

1 stop

IAD11:10 pmWashington, D.C. Dulles Intl

Dec 7

IAD5:26 pmWashington, D.C. Dulles Intl

6h 24m

1 stop

IAH10:50 pmHouston George Bush Intcntl

$145

Find similar

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

Our best American Airlines deals on Houston to Washington, D.C. Dulles Intl Airport flight tickets

American Airlines

Dec 6

IAH9:28 amHouston George Bush Intcntl

5h 50m

1 stop

IAD4:18 pmWashington, D.C. Dulles Intl

Dec 6

IAD8:05 pmWashington, D.C. Dulles Intl

5h 17m

1 stop

IAH12:22 amHouston George Bush Intcntl

$218

Find similar

American Airlines

Oct 28

IAH7:35 amHouston George Bush Intcntl

5h 13m

1 stop

IAD1:48 pmWashington, D.C. Dulles Intl

Oct 28

IAD5:37 pmWashington, D.C. Dulles Intl

5h 30m

1 stop

IAH10:07 pmHouston George Bush Intcntl

$347

Find similar

American Airlines

Nov 11

HOU4:24 pmHouston Hobby

5h 09m

1 stop

IAD10:33 pmWashington, D.C. Dulles Intl

Nov 18

IAD7:55 amWashington, D.C. Dulles Intl

8h 59m

2 stops

HOU3:54 pmHouston Hobby

$392

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momondo Fare Finder

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

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Fly to

Route

Depart

Return

Price

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Thu 12/4

4:06 pm-11:10 pm

1 stop6h 04m

Washington, D.C. Dulles Intl

Mon 12/8

5:45 am-10:50 pm

1 stop18h 05m

$141

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Thu 10/30

6:06 am-4:34 pm

1 stop9h 28m

Washington, D.C. Dulles Intl

Fri 10/31

5:34 pm-10:06 pm

1 stop5h 32m

$144

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Thu 12/4

5:02 pm-11:10 pm

1 stop5h 08m

Washington, D.C. Dulles Intl

Sun 12/7

5:26 pm-10:50 pm

1 stop6h 24m

$145

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Wed 11/5

8:00 am-8:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Sat 11/8

5:58 am-11:57 am

1 stop6h 59m

$149

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Sat 12/6

9:28 am-4:18 pm

1 stop5h 50m

Washington, D.C. Dulles Intl

Sat 12/6

8:05 pm-12:22 am

1 stop5h 17m

$218

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Thu 11/27

6:50 am-12:10 pm

1 stop4h 20m

Washington, D.C. Dulles Intl

Thu 12/4

7:40 am-4:30 pm

1 stop9h 50m

$313

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 12/17

6:47 pm-12:12 am

1 stop4h 25m

Washington, D.C. Dulles Intl

Wed 12/31

6:00 am-10:01 am

1 stop5h 01m

$339

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Sun 1/18

6:00 am-11:28 am

1 stop4h 28m

Washington, D.C. Dulles Intl

Thu 1/29

10:05 am-3:02 pm

1 stop5h 57m

$340

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Mon 11/24

5:10 am-1:10 pm

1 stop7h 00m

Washington, D.C. Dulles Intl

Tue 11/25

1:45 pm-11:15 pm

1 stop10h 30m

$384

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Tue 11/11

4:24 pm-10:33 pm

1 stop5h 09m

Washington, D.C. Dulles Intl

Tue 11/18

7:55 am-3:54 pm

2 stops8h 59m

$392

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

Prices

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Other information

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, August is the cheapest month to fly from Houston to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $263. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $270.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $346. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Houston to Washington, D.C. Dulles Intl Airport for around $516.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Houston in the evening is the least expensive time of day to depart. momondo users have found prices as low as $816 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $981 on average. Flights to Washington, D.C. Dulles Intl Airport from Houston in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $347 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Houston for as low as $280 on momondo.

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

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

Cheap Houston to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Washington, D.C. Dulles Intl Airport

Fastest flight time	2h 54m
Direct flights	Every day

The fastest flight from Houston to Washington, D.C. Dulles Intl Airport takes 2h 54m

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

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How far is Houston to Washington, D.C. Dulles Intl by plane?
Houston and Washington, D.C. Dulles Intl are 1199.1 mi apart from one another. 4h 20m is a normal flight duration for this route.
When did momondo last update prices for flights from Houston to Washington, D.C. Dulles Intl Airport?
Prices for flights from Houston to Washington, D.C. Dulles Intl Airport refresh daily.
How many operators does momondo search for flights from Houston to Washington, D.C. Dulles Intl Airport?
As of October 2025, there are 5 operators available to choose from for flights from Houston to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Houston to Washington, D.C. Dulles Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Compare and see reviews for airlines that fly from Houston to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $54	Free Cancellation	Rating 6.3 8,095 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $144	Free Cancellation	Rating 5.8 3,130 reviews	Search Frontier flights
United Airlines	PriceFrom $233	Free Cancellation	Rating 7.4 8,991 reviews	Search United Airlines flights
American Airlines	PriceFrom $234	Free Cancellation	Rating 7.2 11,024 reviews	Search American Airlines flights
Delta	PriceFrom $236	Free Cancellation	Rating 7.9 7,978 reviews	Search Delta flights

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Why use momondo?

Why should I use momondo to find a flight deal from Houston to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Houston.

Can I find flights from Houston to Washington, D.C. with flexible booking policies on momondo?

Flights from Houston to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Houston to Washington, D.C.?

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 Houston to Washington, D.C..

I’m not ready to book a flight from Houston to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Houston to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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Washington, D.C. Dulles Intl Airport flight routes

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Cheap flights from Houston to Washington, D.C. from $74

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Washington, D.C. departing on 10/28. 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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Frontier flights from Houston to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Houston to Washington, D.C. Dulles Intl Airport flight tickets

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

Our best American Airlines deals on Houston to Washington, D.C. Dulles Intl Airport flight tickets

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

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

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

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

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

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

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

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

Frontier, American Airlines, and Southwest are the most popular carriers operating from Houston to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

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

As of October 2025, there are 15 flights per day flying from Houston to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 12:00PM, with 54% of flights taking off in the afternoon.

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

106 flights are operational weekly from Houston to Washington, D.C. Dulles Intl Airport as of October 2025. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.

Cheap Houston to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Washington, D.C. Dulles Intl Airport

Fastest flight time

Direct flights

How far is Houston to Washington, D.C. Dulles Intl by plane?

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

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

How old do you have to be to fly from Houston to Washington, D.C. Dulles Intl Airport?

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

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

Compare and see reviews for airlines that fly from Houston to Washington, D.C. Dulles Intl Airport with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Washington, D.C.?

Can I find flights from Houston to Washington, D.C. with flexible booking policies on momondo?

How can momondo help me find flights from Houston to Washington, D.C.?

I’m not ready to book a flight from Houston to Washington, D.C. right now. Can momondo alert me if prices change?

An easier way to manage your Washington, D.C. Dulles Intl Airport 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 Washington, D.C.

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