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Cheap flights from Houston to Washington, D.C. from $81

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 9/16. 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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0 bags

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Cheap round-trip flights

Frontier Logo
1:32 pm - 8:08 pmIAH-IAD
5h 36m1 stop
Frontier Logo
7:07 am - 12:05 pmIAD-IAH
5h 58m1 stop
$142Frontier
Find Deal
Fri, Oct 24 - Sat, Nov 1
Frontier Logo
11:39 am - 6:19 pmIAH-IAD
5h 40m1 stop
Frontier Logo
7:00 am - 5:01 pmIAD-IAH
11h 01m1 stop
$143Frontier
Find Deal
Fri, Sep 12 - Sat, Sep 13
Logo
6:05 am - 3:17 pmIAH-IAD
8h 12m1 stop
Logo
9:38 pm - 8:22 amIAD-IAH
11h 44m1 stop
$195
Find Deal
Sat, Oct 25 - Sat, Oct 25
Logo
11:29 am - 11:55 pmIAH-IAD
11h 26m2 stops
Logo
9:15 am - 4:34 pmIAD-IAH
8h 19m1 stop
$204
Find Deal
Sat, Sep 20 - Tue, Sep 23
American Airlines Logo
8:05 am - 4:11 pmIAH-IAD
7h 06m1 stop
American Airlines Logo
8:09 pm - 12:18 amIAD-IAH
5h 09m1 stop
$208American Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 8
American Airlines Logo
7:27 am - 1:51 pmIAH-IAD
5h 24m1 stop
American Airlines Logo
5:40 pm - 10:32 pmIAD-IAH
5h 52m1 stop
$212American Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 17
Delta Logo
6:00 am - 11:40 amHOU-IAD
4h 40m1 stop
Delta Logo
7:20 am - 12:18 pmIAD-HOU
5h 58m1 stop
$317Delta
Find Deal
Tue, Sep 23 - Wed, Oct 1
Delta Logo
10:44 am - 4:27 pmHOU-IAD
4h 43m1 stop
Delta Logo
6:00 am - 9:49 amIAD-HOU
4h 49m1 stop
$330Delta
Find Deal
Tue, Sep 23 - Thu, Oct 2
Southwest Logo
2:55 pm - 10:50 pmHOU-IAD
6h 55m1 stop
Southwest Logo
2:10 pm - 11:05 pmIAD-HOU
9h 55m1 stop
$356Southwest
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Fri, Sep 26 - Mon, Sep 29
Southwest Logo
8:50 am - 10:15 pmHOU-IAD
12h 25m2 stops
Southwest Logo
5:05 am - 3:05 pmIAD-HOU
11h 00m2 stops
$361Southwest
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Sat, Nov 8 - Mon, Nov 10

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

Our best Delta deals on Houston to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Sep 23
HOU6:00 amHouston Hobby
4h 40m
1 stop
IAD11:40 amWashington, D.C. Dulles Intl
Oct 1
IAD7:20 amWashington, D.C. Dulles Intl
5h 58m
1 stop
HOU12:18 pmHouston Hobby
$317
Find similar
Delta
Sep 23
HOU10:44 amHouston Hobby
4h 43m
1 stop
IAD4:27 pmWashington, D.C. Dulles Intl
Oct 2
IAD6:00 amWashington, D.C. Dulles Intl
4h 49m
1 stop
HOU9:49 amHouston Hobby
$330
Find similar
Delta
Sep 18
HOU10:44 amHouston Hobby
4h 43m
1 stop
IAD4:27 pmWashington, D.C. Dulles Intl
Sep 22
IAD5:25 pmWashington, D.C. Dulles Intl
6h 12m
1 stop
HOU10:37 pmHouston Hobby
$343
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
Nov 8
IAH8:05 amHouston George Bush Intcntl
7h 06m
1 stop
IAD4:11 pmWashington, D.C. Dulles Intl
Nov 8
IAD8:09 pmWashington, D.C. Dulles Intl
5h 09m
1 stop
IAH12:18 amHouston George Bush Intcntl
$208
Find similar
American Airlines
Sep 17
IAH7:27 amHouston George Bush Intcntl
5h 24m
1 stop
IAD1:51 pmWashington, D.C. Dulles Intl
Sep 17
IAD5:40 pmWashington, D.C. Dulles Intl
5h 52m
1 stop
IAH10:32 pmHouston George Bush Intcntl
$212
Find similar
American Airlines
Oct 1
HOU10:15 amHouston Hobby
5h 35m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
Oct 4
IAD12:48 pmWashington, D.C. Dulles Intl
8h 23m
2 stops
HOU8:11 pmHouston Hobby
$335
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momondo Fare Finder

 
Customize your flight search to find flights from Houston 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 August 26, 2025.
Use the filters below to find and compare flights from Houston 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 10/24

1:32 pm-8:08 pm

1 stop5h 36m

Washington, D.C. Dulles Intl

Sat 11/1

7:07 am-12:05 pm

1 stop5h 58m

$142

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Fri 9/12

11:39 am-6:19 pm

1 stop5h 40m

Washington, D.C. Dulles Intl

Sat 9/13

7:00 am-5:01 pm

1 stop11h 01m

$143

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Sat 10/25

6:05 am-3:17 pm

1 stop8h 12m

Washington, D.C. Dulles Intl

Sat 10/25

9:38 pm-8:22 am

1 stop11h 44m

$195

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Sat 9/20

11:29 am-11:55 pm

2 stops11h 26m

Washington, D.C. Dulles Intl

Tue 9/23

9:15 am-4:34 pm

1 stop8h 19m

$204

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Sat 11/8

8:05 am-4:11 pm

1 stop7h 06m

Washington, D.C. Dulles Intl

Sat 11/8

8:09 pm-12:18 am

1 stop5h 09m

$208

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Wed 9/17

7:27 am-1:51 pm

1 stop5h 24m

Washington, D.C. Dulles Intl

Wed 9/17

5:40 pm-10:32 pm

1 stop5h 52m

$212

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Tue 9/23

6:00 am-11:40 am

1 stop4h 40m

Washington, D.C. Dulles Intl

Wed 10/1

7:20 am-12:18 pm

1 stop5h 58m

$317

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Tue 9/23

10:44 am-4:27 pm

1 stop4h 43m

Washington, D.C. Dulles Intl

Thu 10/2

6:00 am-9:49 am

1 stop4h 49m

$330

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Fri 9/26

2:55 pm-10:50 pm

1 stop6h 55m

Washington, D.C. Dulles Intl

Mon 9/29

2:10 pm-11:05 pm

1 stop9h 55m

$356

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Sat 11/8

8:50 am-10:15 pm

2 stops12h 25m

Washington, D.C. Dulles Intl

Mon 11/10

5:05 am-3:05 pm

2 stops11h 00m

$361

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 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, June 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 $296. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of June, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $313.

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 $678 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 $984 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 $356 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 $260 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 26m 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?

  • 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 AirlinesPriceFrom $54Free CancellationRating
6.3
8,031 reviews
Search Spirit Airlines flights
FrontierPriceFrom $180Free CancellationRating
5.8
3,200 reviews
Search Frontier flights
United AirlinesPriceFrom $233Free CancellationRating
7.4
8,943 reviews
Search United Airlines flights
American AirlinesPriceFrom $234Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
7,979 reviews
Search Delta flights

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
Arlington
National Harbor
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Silver Spring
Colonial Beach
Fredericksburg
Harpers Ferry
Towson
Manassas
Rockville
Gaithersburg
Reston
Fairfax
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?

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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