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Cheap flights from Houston George Bush Intcntl Airport to Washington, D.C. from $95

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 8/23. 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 Houston George Bush Intcntl Airport to Washington, D.C.

Cheap round-trip flights

Frontier Logo
2:28 pm - 12:19 amIAH-IAD
8h 51m1 stop
Frontier Logo
9:30 am - 8:53 pmIAD-IAH
12h 23m1 stop
$198Frontier
Find Deal
Wed, Aug 13 - Wed, Aug 20
Frontier Logo
6:00 am - 4:13 pmIAH-IAD
9h 13m1 stop
Frontier Logo
8:18 pm - 10:47 amIAD-IAH
15h 29m1 stop
$199Frontier
Find Deal
Sat, Oct 11 - Sat, Oct 11
Frontier Logo
4:40 pm - 12:19 amIAH-IAD
6h 39m1 stop
Frontier Logo
6:10 am - 1:25 pmIAD-IAH
8h 15m1 stop
$200Frontier
Find Deal
Tue, Aug 12 - Wed, Aug 13
Frontier Logo
8:45 am - 9:39 pmIAH-IAD
11h 54m1 stop
Frontier Logo
9:30 am - 8:53 pmIAD-IAH
12h 23m1 stop
$205Frontier
Find Deal
Tue, Aug 26 - Wed, Aug 27
Frontier Logo
5:56 pm - 12:16 amIAH-IAD
5h 20m1 stop
Frontier Logo
5:18 pm - 10:39 pmIAD-IAH
6h 21m1 stop
$206Frontier
Find Deal
Fri, Aug 29 - Sun, Aug 31
American Airlines Logo
2:52 pm - 8:46 amIAH-IAD
16h 54m1 stop
American Airlines Logo
11:47 am - 6:38 pmIAD-IAH
7h 51m1 stop
$215American Airlines
Find Deal
Sat, Oct 4 - Sun, Oct 5
American Airlines Logo
4:41 pm - 9:53 amIAH-IAD
16h 12m1 stop
American Airlines Logo
11:51 am - 5:56 pmIAD-IAH
7h 05m1 stop
$228American Airlines
Find Deal
Tue, Aug 26 - Wed, Aug 27
Logo
5:27 pm - 10:14 amIAH-IAD
15h 47m2 stops
Logo
4:56 pm - 11:50 amIAD-IAH
19h 54m2 stops
$239
Find Deal
Sat, Aug 16 - Sun, Aug 24
Logo
5:27 pm - 10:14 amIAH-IAD
15h 47m2 stops
Logo
4:56 pm - 11:50 amIAD-IAH
19h 54m2 stops
$241
Find Deal
Sat, Aug 16 - Sun, Aug 24
United Airlines Logo
6:10 pm - 10:15 pmIAH-IAD
3h 05mnonstop
United Airlines Logo
6:00 am - 8:14 amIAD-IAH
3h 14mnonstop
$277United Airlines
Find Deal
Thu, Sep 18 - Sun, Sep 21

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
Aug 6
IAH2:28 pmHouston George Bush Intcntl
8h 51m
1 stop
IAD12:19 amWashington, D.C. Dulles Intl
Aug 13
IAD6:10 amWashington, D.C. Dulles Intl
8h 15m
1 stop
IAH1:25 pmHouston George Bush Intcntl
$198
Find similar
Frontier
Oct 11
IAH6:00 amHouston George Bush Intcntl
9h 13m
1 stop
IAD4:13 pmWashington, D.C. Dulles Intl
Oct 11
IAD8:18 pmWashington, D.C. Dulles Intl
15h 29m
1 stop
IAH10:47 amHouston George Bush Intcntl
$199
Find similar
Frontier
Aug 9
IAH6:00 amHouston George Bush Intcntl
8h 12m
1 stop
IAD3:12 pmWashington, D.C. Dulles Intl
Aug 16
IAD7:30 amWashington, D.C. Dulles Intl
9h 44m
1 stop
IAH4:14 pmHouston George Bush Intcntl
$200
Find similar

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

Our best American Airlines deals on Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Oct 4
IAH2:52 pmHouston George Bush Intcntl
16h 54m
1 stop
IAD8:46 amWashington, D.C. Dulles Intl
Oct 5
IAD11:47 amWashington, D.C. Dulles Intl
7h 51m
1 stop
IAH6:38 pmHouston George Bush Intcntl
$215
Find similar
American Airlines
Aug 26
IAH4:41 pmHouston George Bush Intcntl
16h 12m
1 stop
IAD9:53 amWashington, D.C. Dulles Intl
Aug 27
IAD11:51 amWashington, D.C. Dulles Intl
7h 05m
1 stop
IAH5:56 pmHouston George Bush Intcntl
$228
Find similar

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 July 31, 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

Wed 8/13

2:28 pm-12:19 am

1 stop8h 51m

Washington, D.C. Dulles Intl

Wed 8/20

9:30 am-8:53 pm

1 stop12h 23m

$198

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Sat 10/11

6:00 am-4:13 pm

1 stop9h 13m

Washington, D.C. Dulles Intl

Sat 10/11

8:18 pm-10:47 am

1 stop15h 29m

$199

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Tue 8/12

4:40 pm-12:19 am

1 stop6h 39m

Washington, D.C. Dulles Intl

Wed 8/13

6:10 am-1:25 pm

1 stop8h 15m

$200

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Tue 8/26

8:45 am-9:39 pm

1 stop11h 54m

Washington, D.C. Dulles Intl

Wed 8/27

9:30 am-8:53 pm

1 stop12h 23m

$205

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Fri 8/29

5:56 pm-12:16 am

1 stop5h 20m

Washington, D.C. Dulles Intl

Sun 8/31

5:18 pm-10:39 pm

1 stop6h 21m

$206

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Sat 10/4

2:52 pm-8:46 am

1 stop16h 54m

Washington, D.C. Dulles Intl

Sun 10/5

11:47 am-6:38 pm

1 stop7h 51m

$215

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Tue 8/26

4:41 pm-9:53 am

1 stop16h 12m

Washington, D.C. Dulles Intl

Wed 8/27

11:51 am-5:56 pm

1 stop7h 05m

$228

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Sat 8/16

5:27 pm-10:14 am

2 stops15h 47m

Washington, D.C. Dulles Intl

Sun 8/24

4:56 pm-11:50 am

2 stops19h 54m

$239

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Sat 8/16

5:27 pm-10:14 am

2 stops15h 47m

Washington, D.C. Dulles Intl

Sun 8/24

4:56 pm-11:50 am

2 stops19h 54m

$241

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Thu 9/18

6:10 pm-10:15 pm

Nonstop3h 05m

Washington, D.C. Dulles Intl

Sun 9/21

6:00 am-8:14 am

Nonstop3h 14m

$277

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

In general, September 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 $322. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $334.

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 $649 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 $964 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 $372 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?

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

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

As of July 2025, prices for Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 1% more expensive 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

$95

Fastest flight time

2h 54m

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 $95. 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 $198.
The fastest flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport takes 2h 54m
Direct flights go from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • 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 3h 05m 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 $119Free CancellationRating
6.3
8,049 reviews
Search Spirit Airlines flights
FrontierPriceFrom $190Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
8,900 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 21 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 $389, 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 $256 round-trip. United Airlines has been scored 7.4/10 in 8,900 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
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National Harbor
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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?

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.

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