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Cheap flights from Houston George Bush Intcntl Airport to Washington, D.C. from $134

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:25 am - 12:10 amIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
14h 45m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson
Frontier Logo
9:04 pm - 7:17 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
11h 13m1 stop Atlanta Hartsfield-Jackson
$221Frontier
Sat, Sep 12 - Mon, Sep 14
Frontier Logo
10:09 pm - 12:10 amIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
25h 01m2 stops Los Angeles Atlanta Hartsfield-Jackson
Frontier Logo
9:06 pm - 7:19 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
11h 13m1 stop Atlanta Hartsfield-Jackson
$224Frontier
Tue, Oct 6 - Sat, Oct 10
Frontier Logo
8:18 am - 8:11 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
10h 53m1 stop Fort Lauderdale
Frontier Logo
9:06 pm - 7:23 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
11h 17m1 stop Atlanta Hartsfield-Jackson
$224Frontier
Fri, Nov 6 - Mon, Nov 9
Frontier Logo
6:28 am - 5:18 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
9h 50m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
11:12 am - 10:30 pmIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
12h 18m2 stops Orlando Atlanta Hartsfield-Jackson
$225Frontier
Wed, Sep 9 - Wed, Sep 16
United Airlines Logo
7:50 pm - 11:55 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
3h 05mnonstop
United Airlines Logo
5:54 pm - 8:17 pmIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
3h 23mnonstop
$297United Airlines
Mon, Sep 21 - Mon, Sep 28
United Airlines Logo
4:56 pm - 9:07 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
3h 11mnonstop
United Airlines Logo
12:52 pm - 3:13 pmIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
3h 21mnonstop
$297United Airlines
Sat, Oct 17 - Tue, Oct 20
United Airlines Logo
7:20 am - 11:28 amIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
3h 08mnonstop
United Airlines Logo
10:18 pm - 12:30 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
3h 12mnonstop
$297United Airlines
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
8:15 am - 6:41 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
9h 26m2 stops Fort Lauderdale Tampa
Multiple Airlines Logo
9:06 pm - 7:19 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
11h 13m1 stop Atlanta Hartsfield-Jackson
$302Multiple Airlines
Sat, Oct 10 - Wed, Oct 14
Delta Logo
1:15 pm - 10:55 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
8h 40m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 am - 9:10 pmIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
15h 10m1 stop Atlanta Hartsfield-Jackson
$307Delta
Thu, Dec 24 - Tue, Feb 9
Delta Logo
1:15 pm - 10:55 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
8h 40m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:58 pmIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
18h 58m1 stop Atlanta Hartsfield-Jackson
$307Delta
Thu, Dec 24 - Wed, Feb 3

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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
Sep 12
IAH8:25 amHouston George Bush Intcntl
14h 45m
2 stops
IAD12:10 amWashington, D.C. Dulles Intl
Sep 14
IAD9:04 pmWashington, D.C. Dulles Intl
11h 13m
1 stop
IAH7:17 amHouston George Bush Intcntl
$221
Frontier
Sep 3
IAH4:32 pmHouston George Bush Intcntl
5h 20m
1 stop
IAD10:52 pmWashington, D.C. Dulles Intl
Sep 9
IAD7:50 amWashington, D.C. Dulles Intl
15h 40m
1 stop
IAH10:30 pmHouston George Bush Intcntl
$224
Frontier
Sep 9
IAH6:28 amHouston George Bush Intcntl
9h 50m
1 stop
IAD5:18 pmWashington, D.C. Dulles Intl
Sep 16
IAD11:12 amWashington, D.C. Dulles Intl
12h 18m
2 stops
IAH10:30 pmHouston George Bush Intcntl
$225

momondo Fare Finder

 
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.

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Depart

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Price

Cheapest round-trip

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Sat 9/12

8:25 am-12:10 am

2 stops14h 45m

Washington, D.C. Dulles Intl

Mon 9/14

9:04 pm-7:17 am

1 stop11h 13m

$221

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Tue 10/6

10:09 pm-12:10 am

2 stops25h 01m

Washington, D.C. Dulles Intl

Sat 10/10

9:06 pm-7:19 am

1 stop11h 13m

$224

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Fri 11/6

8:18 am-8:11 pm

1 stop10h 53m

Washington, D.C. Dulles Intl

Mon 11/9

9:06 pm-7:23 am

1 stop11h 17m

$224

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Wed 9/9

6:28 am-5:18 pm

1 stop9h 50m

Washington, D.C. Dulles Intl

Wed 9/16

11:12 am-10:30 pm

2 stops12h 18m

$225

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Mon 9/21

7:50 pm-11:55 pm

Nonstop3h 05m

Washington, D.C. Dulles Intl

Mon 9/28

5:54 pm-8:17 pm

Nonstop3h 23m

$297

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Sat 10/17

4:56 pm-9:07 pm

Nonstop3h 11m

Washington, D.C. Dulles Intl

Tue 10/20

12:52 pm-3:13 pm

Nonstop3h 21m

$297
Quickest round-trip

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Wed 9/23

7:20 am-11:28 am

Nonstop3h 08m

Washington, D.C. Dulles Intl

Wed 9/30

10:18 pm-12:30 am

Nonstop3h 12m

$297

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Sat 10/10

8:15 am-6:41 pm

2 stops9h 26m

Washington, D.C. Dulles Intl

Wed 10/14

9:06 pm-7:19 am

1 stop11h 13m

$302

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Thu 12/24

1:15 pm-10:55 pm

1 stop8h 40m

Washington, D.C. Dulles Intl

Tue 2/9

7:00 am-9:10 pm

1 stop15h 10m

$307

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Thu 12/24

1:15 pm-10:55 pm

1 stop8h 40m

Washington, D.C. Dulles Intl

Wed 2/3

6:00 am-11:58 pm

1 stop18h 58m

$307

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

Prices are currently low for flights on this route.

Typical prices usually range from $304 to $497.
The lowest price recently found on this route was $221.

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

In general, October 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 $339. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $359.

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 at noon is the least expensive time of day to depart. momondo users have found prices as low as $856 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,205 on average. Flights to Washington, D.C. Dulles Intl Airport from Houston George Bush Intcntl Airport in the evening 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 from Houston George Bush Intcntl Airport 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 $446 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 $141 on momondo.

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

There are 4 cabin classes available to choose from on Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport 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 6% 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 August 2026, prices for Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 11% 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

$134

Fastest flight time

3h 01m

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 $134. 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 $221.
The fastest flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport takes 3h 01m
Direct flights go from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

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

  • 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 01m 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
FrontierPriceFrom $120Free CancellationRating
5.6
2,648 reviews
Search Frontier flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
10,121 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 34 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 $473, 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 $268 round-trip. United Airlines has been scored 7.4/10 in 10,120 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
National Harbor
Arlington
Gettysburg
Winchester
Laurel
Waldorf
Fredericksburg
Woodbridge
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Sterling
Springfield
Colonial Beach
Fairfax
Edgewood
Glen Burnie

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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