Cheap flights from Houston George Bush Intcntl Airport to Washington, D.C. from $73

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 George Bush Intcntl Airport to Washington, D.C. departing on 11/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Houston George Bush Intcntl Airport to Washington, D.C.

Cheap round-trip flights

Frontier Logo
12:42 pm - 7:19 pmIAH-IAD
5h 37m1 stop
Frontier Logo
4:45 pm - 10:03 pmIAD-IAH
6h 18m1 stop
$141Frontier
Find Deal
Fri, Oct 17 - Mon, Oct 20
Frontier Logo
7:49 am - 9:13 pmIAH-IAD
12h 24m1 stop
Frontier Logo
7:15 am - 6:29 pmIAD-IAH
12h 14m1 stop
$143Frontier
Find Deal
Fri, Oct 24 - Sat, Oct 25
Frontier Logo
2:10 pm - 8:53 pmIAH-IAD
5h 43m1 stop
Frontier Logo
8:47 am - 6:31 pmIAD-IAH
10h 44m1 stop
$144Frontier
Find Deal
Sat, Oct 25 - Tue, Oct 28
Frontier Logo
8:05 am - 7:46 pmIAH-IAD
10h 41m1 stop
Frontier Logo
9:00 am - 4:47 pmIAD-IAH
8h 47m1 stop
$145Frontier
Find Deal
Tue, Oct 7 - Wed, Oct 8
Frontier Logo
6:05 am - 12:55 pmIAH-IAD
5h 50m1 stop
Frontier Logo
6:15 am - 4:47 pmIAD-IAH
11h 32m1 stop
$150Frontier
Find Deal
Mon, Oct 6 - Thu, Oct 9
Frontier Logo
6:05 am - 3:39 pmIAH-IAD
8h 34m1 stop
Frontier Logo
6:00 am - 5:01 pmIAD-IAH
12h 01m1 stop
$151Frontier
Find Deal
Mon, Oct 27 - Fri, Oct 31
Frontier Logo
10:28 am - 7:51 pmIAH-IAD
8h 23m1 stop
Frontier Logo
5:58 pm - 6:31 pmIAD-IAH
25h 33m1 stop
$154Frontier
Find Deal
Sat, Nov 15 - Mon, Nov 17
Frontier Logo
10:28 am - 7:51 pmIAH-IAD
8h 23m1 stop
Frontier Logo
6:00 am - 5:01 pmIAD-IAH
12h 01m1 stop
$157Frontier
Find Deal
Sat, Nov 8 - Sun, Nov 9
Multiple Airlines Logo
12:59 pm - 11:22 pmIAH-IAD
9h 23m1 stop
Multiple Airlines Logo
8:47 am - 6:31 pmIAD-IAH
10h 44m1 stop
$163Multiple Airlines
Find Deal
Mon, Oct 27 - Wed, Oct 29
Multiple Airlines Logo
4:20 pm - 10:19 pmIAH-IAD
28h 59m1 stop
Multiple Airlines Logo
8:00 am - 10:40 pmIAD-IAH
15h 40m1 stop
$190Multiple Airlines
Find Deal
Tue, Dec 2 - Wed, Dec 10

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

Our best Frontier deals on Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Oct 17
IAH12:42 pmHouston George Bush Intcntl
5h 37m
1 stop
IAD7:19 pmWashington, D.C. Dulles Intl
Oct 20
IAD4:45 pmWashington, D.C. Dulles Intl
6h 18m
1 stop
IAH10:03 pmHouston George Bush Intcntl
Frontier
Oct 7
IAH8:05 amHouston George Bush Intcntl
10h 41m
1 stop
IAD7:46 pmWashington, D.C. Dulles Intl
Oct 11
IAD7:15 amWashington, D.C. Dulles Intl
12h 14m
1 stop
IAH6:29 pmHouston George Bush Intcntl
Frontier
Oct 25
IAH2:10 pmHouston George Bush Intcntl
5h 43m
1 stop
IAD8:53 pmWashington, D.C. Dulles Intl
Oct 28
IAD8:47 amWashington, D.C. Dulles Intl
10h 44m
1 stop
IAH6:31 pmHouston George Bush Intcntl

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl 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 25, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Fri 10/17

12:42 pm-7:19 pm

1 stop5h 37m

Washington, D.C. Dulles Intl

Mon 10/20

4:45 pm-10:03 pm

1 stop6h 18m

$141

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Fri 10/24

7:49 am-9:13 pm

1 stop12h 24m

Washington, D.C. Dulles Intl

Sat 10/25

7:15 am-6:29 pm

1 stop12h 14m

$143

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Sat 10/25

2:10 pm-8:53 pm

1 stop5h 43m

Washington, D.C. Dulles Intl

Tue 10/28

8:47 am-6:31 pm

1 stop10h 44m

$144

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Tue 10/7

8:05 am-7:46 pm

1 stop10h 41m

Washington, D.C. Dulles Intl

Wed 10/8

9:00 am-4:47 pm

1 stop8h 47m

$145

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Mon 10/6

6:05 am-12:55 pm

1 stop5h 50m

Washington, D.C. Dulles Intl

Thu 10/9

6:15 am-4:47 pm

1 stop11h 32m

$150

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Mon 10/27

6:05 am-3:39 pm

1 stop8h 34m

Washington, D.C. Dulles Intl

Fri 10/31

6:00 am-5:01 pm

1 stop12h 01m

$151

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Sat 11/15

10:28 am-7:51 pm

1 stop8h 23m

Washington, D.C. Dulles Intl

Mon 11/17

5:58 pm-6:31 pm

1 stop25h 33m

$154

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Sat 11/8

10:28 am-7:51 pm

1 stop8h 23m

Washington, D.C. Dulles Intl

Sun 11/9

6:00 am-5:01 pm

1 stop12h 01m

$157

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Mon 10/27

12:59 pm-11:22 pm

1 stop9h 23m

Washington, D.C. Dulles Intl

Wed 10/29

8:47 am-6:31 pm

1 stop10h 44m

$163

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Tue 12/2

4:20 pm-10:19 pm

1 stop28h 59m

Washington, D.C. Dulles Intl

Wed 12/10

8:00 am-10:40 pm

1 stop15h 40m

$190

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport 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 typical price of a round-trip flight between Houston George Bush Intcntl Airport and Washington, D.C. Dulles Intl Airport?

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 George Bush Intcntl Airport 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 $281. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $348.

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 George Bush Intcntl Airport 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 George Bush Intcntl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $754 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 $1,003 on average. Flights to Washington, D.C. Dulles Intl Airport from Houston George Bush Intcntl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Fly from Houston George Bush Intcntl to Washington, D.C. Dulles Intl for the best Houston George Bush Intcntl - 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 George Bush Intcntl Airport 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 $374 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 George Bush Intcntl Airport for as low as $267 on momondo.

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

There are 4 cabin classes available to choose from on Houston George Bush Intcntl 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.

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

You could potentially save up to 28% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport flight.

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

As of September 2025, prices for Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 19% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport (IAH to IAD) flight deals and tips

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

Best Price Found

$229

Fastest flight time

2h 52m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Houston George Bush Intcntl Airport in the past 72 hours is $229. The best round-trip flight deal from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $415.
The fastest flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport takes 2h 52m
Direct flights go from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport every day.
  • How far is Houston George Bush Intcntl to Washington, D.C. Dulles Intl by plane?

    The straight-line distance from Houston George Bush Intcntl to Washington, D.C. Dulles Intl is 1188.5 mi. Typically, this will take 5h 36m by plane in normal conditions.

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

    Prices for flights from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport refresh daily.

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

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

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

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $98Free CancellationRating
6.3
8,042 reviews
Search Spirit Airlines flights
FrontierPriceFrom $161Free CancellationRating
5.8
3,163 reviews
Search Frontier flights
American AirlinesPriceFrom $234Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
7,973 reviews
Search Delta flights
United AirlinesPriceFrom $239Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
  • United Airlines Flights From Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport

    United Airlines operates around 30 flights from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport every week. The average price of these flights found in the last 72 hours has been $411, but momondo users have found United Airlines deals from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport from as low as $239 round-trip. United Airlines has been scored 7.4/10 in 8,928 reviews.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Fairfax
Reston
Glen Burnie
Gaithersburg

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?

Yes. momondo allows you to filter the results for Houston to Washington, D.C. flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Washington, D.C. from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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.
1 adult
Sat 10/25
Sat 11/1

Find better results for your trip to Washington, D.C.