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Cheap flights from Houston George Bush Intcntl Airport to Washington, D.C. from $126

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

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United Airlines Logo
6:38 pm - 10:42 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
3h 04mnonstop
United Airlines Logo
8:30 am - 11:06 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
3h 36mnonstop
$249United Airlines
Tue, Dec 15 - Wed, Dec 16
Frontier Logo
6:00 am - 5:45 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
10h 45m2 stops Denver Intl Atlanta Hartsfield-Jackson
Frontier Logo
8:57 pm - 6:25 pmIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
22h 28m2 stops Dallas/Fort Worth Detroit Metropolitan Wayne County
$251Frontier
Fri, Dec 4 - Fri, Dec 4
United Airlines Logo
2:20 pm - 6:23 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
3h 03mnonstop
United Airlines Logo
6:00 am - 8:36 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
3h 36mnonstop
$251United Airlines
Tue, Dec 1 - Thu, Dec 10
Frontier Logo
6:00 am - 5:12 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
10h 12m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
7:32 am - 7:23 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
24h 51m1 stop Atlanta Hartsfield-Jackson
$251Frontier
Fri, Nov 13 - Sun, Nov 15
United Airlines Logo
4:45 pm - 8:49 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
3h 04mnonstop
United Airlines Logo
5:52 pm - 8:28 pmIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
3h 36mnonstop
$251United Airlines
Tue, Dec 1 - Sat, Dec 5
Frontier Logo
9:14 pm - 5:12 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
18h 58m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:07 pm - 7:23 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
14h 16m1 stop Atlanta Hartsfield-Jackson
$252Frontier
Sun, Nov 1 - Wed, Nov 4
United Airlines Logo
6:40 pm - 10:44 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
3h 04mnonstop
United Airlines Logo
8:34 am - 11:10 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
3h 36mnonstop
$255United Airlines
Mon, Nov 9 - Tue, Nov 10
Multiple Airlines Logo
8:18 am - 8:11 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
10h 53m1 stop Fort Lauderdale
Multiple Airlines Logo
6:36 pm - 9:24 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
15h 48m2 stops Blountville Tri Cities TN/VA Orlando
$271Multiple Airlines
Mon, Nov 16 - Mon, Nov 23
Multiple Airlines Logo
8:35 pm - 5:56 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
20h 21m2 stops Orlando Blountville Tri Cities TN/VA
Multiple Airlines Logo
10:47 pm - 11:04 amIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
13h 17m1 stop Atlanta Hartsfield-Jackson
$296Multiple Airlines
Sun, Nov 15 - Sun, Nov 22
Delta Logo
7:00 am - 1:54 pmIAH  Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl
5h 54m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:32 pm - 5:17 pmIAD  Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl
5h 45m1 stop Atlanta Hartsfield-Jackson
$298Delta
Wed, Nov 18 - Mon, Nov 23

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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
Nov 3
IAH6:05 amHouston George Bush Intcntl
10h 07m
1 stop
IAD5:12 pmWashington, D.C. Dulles Intl
Nov 5
IAD9:06 pmWashington, D.C. Dulles Intl
11h 17m
1 stop
IAH7:23 amHouston George Bush Intcntl
$250
Frontier
Oct 27
IAH6:05 amHouston George Bush Intcntl
13h 06m
2 stops
IAD8:11 pmWashington, D.C. Dulles Intl
Oct 28
IAD6:07 pmWashington, D.C. Dulles Intl
21h 37m
1 stop
IAH2:44 pmHouston George Bush Intcntl
$251
Frontier
Nov 6
IAH8:18 amHouston George Bush Intcntl
10h 53m
1 stop
IAD8:11 pmWashington, D.C. Dulles Intl
Nov 10
IAD11:16 amWashington, D.C. Dulles Intl
10h 39m
1 stop
IAH8:55 pmHouston George Bush Intcntl
$252

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

Our best United Airlines deals on Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Dec 3
IAH7:20 amHouston George Bush Intcntl
3h 06m
IAD11:26 amWashington, D.C. Dulles Intl
Dec 3
IAD5:52 pmWashington, D.C. Dulles Intl
3h 36m
IAH8:28 pmHouston George Bush Intcntl
$249
United Airlines
Dec 1
IAH4:45 pmHouston George Bush Intcntl
3h 04m
IAD8:49 pmWashington, D.C. Dulles Intl
Dec 5
IAD5:52 pmWashington, D.C. Dulles Intl
3h 36m
IAH8:28 pmHouston George Bush Intcntl
$251
United Airlines
Nov 9
IAH6:40 pmHouston George Bush Intcntl
3h 04m
IAD10:44 pmWashington, D.C. Dulles Intl
Nov 10
IAD8:34 amWashington, D.C. Dulles Intl
3h 36m
IAH11:10 amHouston George Bush Intcntl
$255

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.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

HoustonWashington, D.C.

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

IAHIAD

Houston George Bush Intcntl

Tue 12/15

6:38 pm-10:42 pm

Nonstop3h 04m

Washington, D.C. Dulles Intl

Wed 12/16

8:30 am-11:06 am

Nonstop3h 36m

$249

HoustonWashington, D.C.

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

IAHIAD

Houston George Bush Intcntl

Fri 12/4

6:00 am-5:45 pm

2 stops10h 45m

Washington, D.C. Dulles Intl

Fri 12/4

8:57 pm-6:25 pm

2 stops22h 28m

$251
Quickest round-trip

HoustonWashington, D.C.

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

IAHIAD

Houston George Bush Intcntl

Tue 12/1

2:20 pm-6:23 pm

Nonstop3h 03m

Washington, D.C. Dulles Intl

Thu 12/10

6:00 am-8:36 am

Nonstop3h 36m

$251

HoustonWashington, D.C.

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

IAHIAD

Houston George Bush Intcntl

Fri 11/13

6:00 am-5:12 pm

1 stop10h 12m

Washington, D.C. Dulles Intl

Sun 11/15

7:32 am-7:23 am

1 stop24h 51m

$251

HoustonWashington, D.C.

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

IAHIAD

Houston George Bush Intcntl

Tue 12/1

4:45 pm-8:49 pm

Nonstop3h 04m

Washington, D.C. Dulles Intl

Sat 12/5

5:52 pm-8:28 pm

Nonstop3h 36m

$251

HoustonWashington, D.C.

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

IAHIAD

Houston George Bush Intcntl

Sun 11/1

9:14 pm-5:12 pm

1 stop18h 58m

Washington, D.C. Dulles Intl

Wed 11/4

6:07 pm-7:23 am

1 stop14h 16m

$252

HoustonWashington, D.C.

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

IAHIAD

Houston George Bush Intcntl

Mon 11/9

6:40 pm-10:44 pm

Nonstop3h 04m

Washington, D.C. Dulles Intl

Tue 11/10

8:34 am-11:10 am

Nonstop3h 36m

$255

HoustonWashington, D.C.

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

IAHIAD

Houston George Bush Intcntl

Mon 11/16

8:18 am-8:11 pm

1 stop10h 53m

Washington, D.C. Dulles Intl

Mon 11/23

6:36 pm-9:24 am

2 stops15h 48m

$271

HoustonWashington, D.C.

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

IAHIAD

Houston George Bush Intcntl

Sun 11/15

8:35 pm-5:56 pm

2 stops20h 21m

Washington, D.C. Dulles Intl

Sun 11/22

10:47 pm-11:04 am

1 stop13h 17m

$296

HoustonWashington, D.C.

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

IAHIAD

Houston George Bush Intcntl

Wed 11/18

7:00 am-1:54 pm

1 stop5h 54m

Washington, D.C. Dulles Intl

Mon 11/23

12:32 pm-5:17 pm

1 stop5h 45m

$298

Flights are sorted by cheapest round-trip flights 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 $354 to $626.
The lowest price recently found on this route was $249.

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

In general, January 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 $373. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $391.

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 $767 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 $1,173 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 $476 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 $169 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 18% 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 October 2026, prices for Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 0% 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

$126

Fastest flight time

2h 57m

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 $126. 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 $249.
The fastest flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport takes 2h 57m
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 2h 57m 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 $113Free CancellationRating
5.5
2,520 reviews
Search Frontier flights
United AirlinesPriceFrom $287Free CancellationRating
7.3
10,397 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 18 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 $509, 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 $287 round-trip. United Airlines has been scored 7.3/10 in 10,397 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
Fredericksburg
Laurel
Waldorf
Woodbridge
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Sterling
Fairfax
Springfield
Glen Burnie
Edgewood
Chantilly

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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