Cheap flights from Houston to Washington, D.C. from $75

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 3/11. 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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Frontier Logo
8:18 pm - 7:20 am
IAH
-
IAD
10h 02m
1 stop
Frontier Logo
9:07 pm - 7:00 am
IAD
-
IAH
10h 53m
1 stop
$127Frontier
Thu, Feb 19 - Sun, Feb 22
Frontier Logo
8:18 pm - 7:20 am
IAH
-
IAD
10h 02m
1 stop
Frontier Logo
9:07 pm - 7:00 am
IAD
-
IAH
10h 53m
1 stop
$128Frontier
Thu, Feb 19 - Sun, Feb 22
Frontier Logo
8:18 pm - 8:33 am
IAH
-
IAD
11h 15m
1 stop
Frontier Logo
1:31 pm - 6:28 pm
IAD
-
IAH
29h 57m
1 stop
$131Frontier
Sat, Feb 7 - Mon, Feb 9
Multiple Airlines Logo
8:18 pm - 8:33 am
IAH
-
IAD
11h 15m
1 stop
Multiple Airlines Logo
2:58 pm - 6:28 pm
IAD
-
IAH
28h 30m
2 stops
$136Multiple Airlines
Sat, Feb 7 - Mon, Feb 9
Frontier Logo
6:07 pm - 9:34 am
IAH
-
IAD
14h 27m
1 stop
Frontier Logo
9:07 pm - 7:00 am
IAD
-
IAH
10h 53m
1 stop
$137Frontier
Fri, Feb 20 - Sun, Feb 22
Multiple Airlines Logo
6:07 pm - 9:34 am
IAH
-
IAD
14h 27m
1 stop
Multiple Airlines Logo
8:54 am - 11:11 am
IAD
-
IAH
27h 17m
1 stop
$143Multiple Airlines
Fri, Feb 20 - Mon, Feb 23
Delta Logo
10:50 am - 6:37 pm
HOU
-
IAD
6h 47m
1 stop
Delta Logo
6:00 am - 10:01 am
IAD
-
HOU
5h 01m
1 stop
$303Delta
Wed, Feb 18 - Wed, Feb 25
Southwest Logo
11:25 am - 9:45 pm
HOU
-
IAD
9h 20m
2 stops
Southwest Logo
9:05 am - 3:25 pm
IAD
-
HOU
7h 20m
1 stop
$308Southwest
Sat, Feb 28 - Wed, Mar 4
Southwest Logo
1:45 pm - 11:10 pm
HOU
-
IAD
8h 25m
1 stop
Southwest Logo
5:05 am - 1:05 pm
IAD
-
HOU
9h 00m
1 stop
$338Southwest
Thu, Feb 26 - Sat, Feb 28
Delta Logo
5:25 am - 11:35 am
HOU
-
IAD
5h 10m
1 stop
Delta Logo
6:00 am - 10:01 am
IAD
-
HOU
5h 01m
1 stop
$353Delta
Thu, Feb 19 - Sat, Feb 21

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

Our best Frontier deals on Houston to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Feb 19
IAH8:18 pmHouston George Bush Intcntl
10h 02m
1 stop
IAD7:20 amWashington, D.C. Dulles Intl
Feb 22
IAD9:07 pmWashington, D.C. Dulles Intl
10h 53m
1 stop
IAH7:00 amHouston George Bush Intcntl
$128
Frontier
Feb 7
IAH8:18 pmHouston George Bush Intcntl
11h 15m
1 stop
IAD8:33 amWashington, D.C. Dulles Intl
Feb 9
IAD1:31 pmWashington, D.C. Dulles Intl
29h 57m
1 stop
IAH6:28 pmHouston George Bush Intcntl
$131
Frontier
Feb 20
IAH6:07 pmHouston George Bush Intcntl
14h 27m
1 stop
IAD9:34 amWashington, D.C. Dulles Intl
Feb 22
IAD9:07 pmWashington, D.C. Dulles Intl
10h 53m
1 stop
IAH7:00 amHouston George Bush Intcntl
$137

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

Our best Southwest deals on Houston to Washington, D.C. Dulles Intl Airport flight tickets
Southwest
Feb 28
HOU11:25 amHouston Hobby
9h 20m
2 stops
IAD9:45 pmWashington, D.C. Dulles Intl
Mar 4
IAD9:05 amWashington, D.C. Dulles Intl
7h 20m
1 stop
HOU3:25 pmHouston Hobby
$308
Southwest
Feb 26
HOU1:45 pmHouston Hobby
8h 25m
1 stop
IAD11:10 pmWashington, D.C. Dulles Intl
Feb 28
IAD5:05 amWashington, D.C. Dulles Intl
9h 00m
1 stop
HOU1:05 pmHouston Hobby
$338
Southwest
Apr 25
HOU6:15 amHouston Hobby
9h 10m
1 stop
IAD4:25 pmWashington, D.C. Dulles Intl
Apr 27
IAD5:55 pmWashington, D.C. Dulles Intl
7h 30m
1 stop
HOU12:25 amHouston Hobby
$341

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 January 25, 2026.
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

Thu 2/19

8:18 pm-7:20 am

1 stop10h 02m

Washington, D.C. Dulles Intl

Sun 2/22

9:07 pm-7:00 am

1 stop10h 53m

$127

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Thu 2/19

8:18 pm-7:20 am

1 stop10h 02m

Washington, D.C. Dulles Intl

Sun 2/22

9:07 pm-7:00 am

1 stop10h 53m

$128

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Sat 2/7

8:18 pm-8:33 am

1 stop11h 15m

Washington, D.C. Dulles Intl

Mon 2/9

1:31 pm-6:28 pm

1 stop29h 57m

$131

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Sat 2/7

8:18 pm-8:33 am

1 stop11h 15m

Washington, D.C. Dulles Intl

Mon 2/9

2:58 pm-6:28 pm

2 stops28h 30m

$136

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Fri 2/20

6:07 pm-9:34 am

1 stop14h 27m

Washington, D.C. Dulles Intl

Sun 2/22

9:07 pm-7:00 am

1 stop10h 53m

$137

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Fri 2/20

6:07 pm-9:34 am

1 stop14h 27m

Washington, D.C. Dulles Intl

Mon 2/23

8:54 am-11:11 am

1 stop27h 17m

$143

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 2/18

10:50 am-6:37 pm

1 stop6h 47m

Washington, D.C. Dulles Intl

Wed 2/25

6:00 am-10:01 am

1 stop5h 01m

$303

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Sat 2/28

11:25 am-9:45 pm

2 stops9h 20m

Washington, D.C. Dulles Intl

Wed 3/4

9:05 am-3:25 pm

1 stop7h 20m

$308

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Thu 2/26

1:45 pm-11:10 pm

1 stop8h 25m

Washington, D.C. Dulles Intl

Sat 2/28

5:05 am-1:05 pm

1 stop9h 00m

$338

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Thu 2/19

5:25 am-11:35 am

1 stop5h 10m

Washington, D.C. Dulles Intl

Sat 2/21

6:00 am-10:01 am

1 stop5h 01m

$353

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 typical price of a round-trip flight between Houston and Washington, D.C. Dulles Intl Airport?

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 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 $257. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $270.

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 at noon is the least expensive time of day to depart. momondo users have found prices as low as $842 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $947 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 $334 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 $247 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 52m

Direct flights

Every day
The fastest flight from Houston to Washington, D.C. Dulles Intl Airport takes 2h 52m
Direct flights go from Houston to Washington, D.C. Dulles Intl Airport every day.
  • 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. 2h 52m 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 $63Free CancellationRating
6.3
8,375 reviews
Search Spirit Airlines flights
FrontierPriceFrom $129Free CancellationRating
5.7
3,059 reviews
Search Frontier flights
United AirlinesPriceFrom $235Free CancellationRating
7.4
9,198 reviews
Search United Airlines flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
11,197 reviews
Search American Airlines 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
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

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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