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Cheap flights from Houston George Bush Intcntl Airport to Washington, D.C. from $99

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 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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
10:49 am - 9:59 pm
IAH
-
DCA
10h 10m
1 stop
Frontier Logo
6:00 pm - 12:48 am
DCA
-
IAH
7h 48m
1 stop
$160Frontier
Fri, May 1 - Mon, May 4
Frontier Logo
10:49 am - 9:59 pm
IAH
-
DCA
10h 10m
1 stop
Frontier Logo
1:59 pm - 9:10 pm
DCA
-
IAH
8h 11m
1 stop
$163Frontier
Fri, May 1 - Fri, May 8
Frontier Logo
7:15 am - 4:59 pm
IAH
-
DCA
8h 44m
1 stop
Frontier Logo
1:59 pm - 12:48 am
DCA
-
IAH
11h 49m
1 stop
$165Frontier
Sat, Apr 25 - Sat, May 2
Frontier Logo
10:49 am - 9:59 pm
IAH
-
DCA
10h 10m
1 stop
Frontier Logo
7:59 am - 11:56 pm
DCA
-
IAH
16h 57m
1 stop
$166Frontier
Fri, Apr 24 - Tue, Apr 28
Frontier Logo
6:45 am - 4:59 pm
IAH
-
DCA
9h 14m
1 stop
Frontier Logo
1:59 pm - 10:44 am
DCA
-
IAH
21h 45m
1 stop
$167Frontier
Thu, Apr 23 - Sat, May 9
Frontier Logo
5:40 pm - 12:59 pm
IAH
-
DCA
18h 19m
1 stop
Frontier Logo
1:59 pm - 9:10 pm
DCA
-
IAH
8h 11m
1 stop
$168Frontier
Wed, May 6 - Fri, May 8
Frontier Logo
6:45 am - 9:59 pm
IAH
-
DCA
14h 14m
1 stop
Frontier Logo
6:00 pm - 12:48 am
DCA
-
IAH
7h 48m
1 stop
$170Frontier
Mon, Apr 27 - Mon, May 4
Frontier Logo
7:45 am - 12:59 pm
IAH
-
DCA
28h 14m
1 stop
Frontier Logo
7:59 am - 12:48 am
DCA
-
IAH
17h 49m
1 stop
$171Frontier
Wed, Apr 22 - Fri, Apr 24
Frontier Logo
10:49 am - 9:59 pm
IAH
-
DCA
10h 10m
1 stop
Frontier Logo
6:00 pm - 12:48 am
DCA
-
IAH
7h 48m
1 stop
$180Frontier
Fri, Apr 17 - Mon, Apr 20
Frontier Logo
4:02 pm - 4:59 pm
IAH
-
DCA
23h 57m
1 stop
Frontier Logo
7:59 am - 11:56 pm
DCA
-
IAH
16h 57m
1 stop
$182Frontier
Tue, Apr 14 - Tue, Apr 21

Frontier flights from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport

Our best Frontier deals on Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport flight tickets
Frontier
May 1
IAH10:49 amHouston George Bush Intcntl
10h 10m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
May 4
DCA6:00 pmWashington, D.C. Reagan-National
7h 48m
1 stop
IAH12:48 amHouston George Bush Intcntl
$160
Frontier
Apr 25
IAH7:15 amHouston George Bush Intcntl
8h 44m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
May 2
DCA1:59 pmWashington, D.C. Reagan-National
11h 49m
1 stop
IAH12:48 amHouston George Bush Intcntl
$165
Frontier
Apr 24
IAH10:49 amHouston George Bush Intcntl
10h 10m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Apr 28
DCA7:59 amWashington, D.C. Reagan-National
16h 57m
1 stop
IAH11:56 pmHouston George Bush Intcntl
$166

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National 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 April 1, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Fri 5/1

10:49 am-9:59 pm

1 stop10h 10m

Washington, D.C. Reagan-National

Mon 5/4

6:00 pm-12:48 am

1 stop7h 48m

$160

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Fri 5/1

10:49 am-9:59 pm

1 stop10h 10m

Washington, D.C. Reagan-National

Fri 5/8

1:59 pm-9:10 pm

1 stop8h 11m

$163

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Sat 4/25

7:15 am-4:59 pm

1 stop8h 44m

Washington, D.C. Reagan-National

Sat 5/2

1:59 pm-12:48 am

1 stop11h 49m

$165

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Fri 4/24

10:49 am-9:59 pm

1 stop10h 10m

Washington, D.C. Reagan-National

Tue 4/28

7:59 am-11:56 pm

1 stop16h 57m

$166

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Thu 4/23

6:45 am-4:59 pm

1 stop9h 14m

Washington, D.C. Reagan-National

Sat 5/9

1:59 pm-10:44 am

1 stop21h 45m

$167

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 5/6

5:40 pm-12:59 pm

1 stop18h 19m

Washington, D.C. Reagan-National

Fri 5/8

1:59 pm-9:10 pm

1 stop8h 11m

$168

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Mon 4/27

6:45 am-9:59 pm

1 stop14h 14m

Washington, D.C. Reagan-National

Mon 5/4

6:00 pm-12:48 am

1 stop7h 48m

$170

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 4/22

7:45 am-12:59 pm

1 stop28h 14m

Washington, D.C. Reagan-National

Fri 4/24

7:59 am-12:48 am

1 stop17h 49m

$171

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Fri 4/17

10:49 am-9:59 pm

1 stop10h 10m

Washington, D.C. Reagan-National

Mon 4/20

6:00 pm-12:48 am

1 stop7h 48m

$180

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Tue 4/14

4:02 pm-4:59 pm

1 stop23h 57m

Washington, D.C. Reagan-National

Tue 4/21

7:59 am-11:56 pm

1 stop16h 57m

$182

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. Reagan-National 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. Reagan-National Airport?

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of September is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Houston George Bush Intcntl Airport, with most prices found around $316. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $357.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport is on a Thursday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Thursday will often find tickets for as low as $351. Flights from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $519. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the afternoon. Our users have found flights to Washington, D.C. Reagan-National Airport in the afternoon for as low as $388. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is at noon when prices are around $495.

What is the cheapest Houston George Bush Intcntl to Washington, D.C. Reagan-National flight route?

Fly from Houston George Bush Intcntl to Washington, D.C. Reagan-National for the best Houston George Bush Intcntl - Washington, D.C. Reagan-National flight prices

How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?

You are more likely to see cheaper flights to Washington, D.C. Reagan-National 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. Reagan-National Airport for around $436 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Houston George Bush Intcntl Airport for as low as $295 on momondo.

What cabin class options are available on Houston George Bush Intcntl to Washington, D.C. Reagan-National flights?

There are 4 cabin classes available to choose from on Houston George Bush Intcntl to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of April 2026, prices for Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport flights are approximately 39% 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. Reagan-National 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. Reagan-National 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. Reagan-National Airport (IAH to DCA) 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. Reagan-National Airport

Best Price Found

$246

Fastest flight time

2h 55m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Houston George Bush Intcntl Airport in the past 72 hours is $246. The best round-trip flight deal from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $433.
The fastest flight from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport takes 2h 55m
Direct flights go from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport every day.
Search flight deals

Frequently asked questions about flying from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport

  • How far is Houston George Bush Intcntl to Washington, D.C. Reagan-National by plane?

    The straight-line distance from Houston George Bush Intcntl to Washington, D.C. Reagan-National is 1205.6 mi. By plane, this route typically takes 2h 55m.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport refresh daily.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The necessary travel and health documents for your Washington, D.C. Reagan-National 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. Reagan-National Airport?

  • What is the most popular airline from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport?

Best airlines flying from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $130Free CancellationRating
5.7
3,005 reviews
Search Frontier flights
American AirlinesPriceFrom $196Free CancellationRating
7.1
11,547 reviews
Search American Airlines flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
9,535 reviews
Search United Airlines flights

  • United Airlines Flights From Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport

    Across 38 United Airlines flights from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport this week, the average price was $432, with the best United Airlines deals starting from $256 round-trip. 9,535 users have rated United Airlines on momondo, with an average score of 7.4/10.

  • American Airlines Flights From Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport

    American Airlines (7.1/10 from 11,549 reviews) operates around 9 flights from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport in any given week. The average American Airlines airfare for this route is around $435, with deals from around $196 rare but found on momondo. Referenced prices are for round-trip Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport flight searches in the last 72 hours.

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
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
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Manassas
Linthicum Heights
Springfield
Bethesda
Fairfax
College Park

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Washington, D.C.?

Finding the right flight to Washington, D.C. from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Houston to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Houston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Houston to Washington, D.C.?

Once all potential Houston to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Houston to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Houston to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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