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Cheap flights from Houston George Bush Intcntl Airport to Washington, D.C. from $74

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 3/10. 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

Enter your travel dates to find the best prices.
Frontier Logo
7:59 pm - 9:25 am
IAH
-
IAD
12h 26m
1 stop
Frontier Logo
10:29 am - 5:12 pm
IAD
-
IAH
7h 43m
1 stop
$128Frontier
Wed, Feb 25 - Sat, Feb 28
Frontier Logo
5:53 pm - 12:36 am
IAH
-
IAD
5h 43m
1 stop
Frontier Logo
6:00 am - 4:58 pm
IAD
-
IAH
11h 58m
1 stop
$136Frontier
Tue, Apr 7 - Wed, Apr 8
Frontier Logo
6:10 am - 12:36 am
IAH
-
IAD
17h 26m
1 stop
Frontier Logo
6:00 am - 4:58 pm
IAD
-
IAH
11h 58m
1 stop
$138Frontier
Wed, Apr 1 - Wed, Apr 8
Frontier Logo
5:49 pm - 12:31 am
IAH
-
IAD
5h 42m
1 stop
Frontier Logo
7:00 am - 4:22 pm
IAD
-
IAH
10h 22m
1 stop
$141Frontier
Tue, Mar 10 - Tue, Mar 17
Frontier Logo
6:15 am - 4:43 pm
IAH
-
IAD
9h 28m
1 stop
Frontier Logo
5:22 pm - 10:52 pm
IAD
-
IAH
6h 30m
1 stop
$148Frontier
Thu, Feb 26 - Mon, Mar 2
Frontier Logo
6:15 am - 4:43 pm
IAH
-
IAD
9h 28m
1 stop
Frontier Logo
10:29 am - 5:12 pm
IAD
-
IAH
7h 43m
1 stop
$149Frontier
Thu, Feb 26 - Sat, Feb 28
Multiple Airlines Logo
5:15 am - 12:41 am
IAH
-
IAD
18h 26m
1 stop
Multiple Airlines Logo
8:30 pm - 8:38 am
IAD
-
IAH
13h 08m
1 stop
$151Multiple Airlines
Sat, Apr 11 - Mon, Apr 13
Frontier Logo
7:59 pm - 9:25 am
IAH
-
IAD
12h 26m
1 stop
Frontier Logo
6:20 am - 5:05 pm
IAD
-
IAH
11h 45m
1 stop
$154Frontier
Wed, Mar 4 - Wed, Mar 11
Multiple Airlines Logo
9:40 pm - 7:20 am
IAH
-
IAD
8h 40m
1 stop
Multiple Airlines Logo
7:05 pm - 11:59 pm
IAD
-
IAH
29h 54m
1 stop
$155Multiple Airlines
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
5:53 pm - 12:36 am
IAH
-
IAD
5h 43m
1 stop
Multiple Airlines Logo
10:13 pm - 11:49 pm
IAD
-
IAH
26h 36m
1 stop
$156Multiple Airlines
Wed, Apr 1 - Thu, Apr 9

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
Feb 25
IAH7:59 pmHouston George Bush Intcntl
12h 26m
1 stop
IAD9:25 amWashington, D.C. Dulles Intl
Feb 28
IAD10:29 amWashington, D.C. Dulles Intl
7h 43m
1 stop
IAH5:12 pmHouston George Bush Intcntl
$128
Frontier
Apr 7
IAH5:53 pmHouston George Bush Intcntl
5h 43m
1 stop
IAD12:36 amWashington, D.C. Dulles Intl
Apr 8
IAD6:00 amWashington, D.C. Dulles Intl
11h 58m
1 stop
IAH4:58 pmHouston George Bush Intcntl
$136
Frontier
Apr 1
IAH6:10 amHouston George Bush Intcntl
17h 26m
1 stop
IAD12:36 amWashington, D.C. Dulles Intl
Apr 8
IAD6:00 amWashington, D.C. Dulles Intl
11h 58m
1 stop
IAH4:58 pmHouston George Bush Intcntl
$138

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 February 4, 2026.
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 2/25

7:59 pm-9:25 am

1 stop12h 26m

Washington, D.C. Dulles Intl

Sat 2/28

10:29 am-5:12 pm

1 stop7h 43m

$128

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Tue 4/7

5:53 pm-12:36 am

1 stop5h 43m

Washington, D.C. Dulles Intl

Wed 4/8

6:00 am-4:58 pm

1 stop11h 58m

$136

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Wed 4/1

6:10 am-12:36 am

1 stop17h 26m

Washington, D.C. Dulles Intl

Wed 4/8

6:00 am-4:58 pm

1 stop11h 58m

$138

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Tue 3/10

5:49 pm-12:31 am

1 stop5h 42m

Washington, D.C. Dulles Intl

Tue 3/17

7:00 am-4:22 pm

1 stop10h 22m

$141

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Thu 2/26

6:15 am-4:43 pm

1 stop9h 28m

Washington, D.C. Dulles Intl

Mon 3/2

5:22 pm-10:52 pm

1 stop6h 30m

$148

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Thu 2/26

6:15 am-4:43 pm

1 stop9h 28m

Washington, D.C. Dulles Intl

Sat 2/28

10:29 am-5:12 pm

1 stop7h 43m

$149

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Sat 4/11

5:15 am-12:41 am

1 stop18h 26m

Washington, D.C. Dulles Intl

Mon 4/13

8:30 pm-8:38 am

1 stop13h 08m

$151

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Wed 3/4

7:59 pm-9:25 am

1 stop12h 26m

Washington, D.C. Dulles Intl

Wed 3/11

6:20 am-5:05 pm

1 stop11h 45m

$154

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Thu 2/19

9:40 pm-7:20 am

1 stop8h 40m

Washington, D.C. Dulles Intl

Mon 2/23

7:05 pm-11:59 pm

1 stop29h 54m

$155

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Wed 4/1

5:53 pm-12:36 am

1 stop5h 43m

Washington, D.C. Dulles Intl

Thu 4/9

10:13 pm-11:49 pm

1 stop26h 36m

$156

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, August 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 $281. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $322.

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 $850 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 $942 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 $382 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 February 2026, prices for Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 8% 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

$251

Fastest flight time

2h 52m

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 $251. 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 $509.
The fastest flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport takes 2h 52m
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 2h 52m 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 $63Free CancellationRating
6.3
8,415 reviews
Search Spirit Airlines flights
FrontierPriceFrom $129Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
United AirlinesPriceFrom $267Free CancellationRating
7.4
9,236 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 27 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 $424, 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 $267 round-trip. United Airlines has been scored 7.4/10 in 9,236 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
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Arlington
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Silver Spring
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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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