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Cheap flights from Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport to Washington, D.C. departing on 1/12. 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

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Frontier Logo
8:48 pm - 1:02 pmIAH-DCA
15h 14m1 stop
Frontier Logo
2:00 pm - 11:39 pmDCA-IAH
10h 39m1 stop
$154Frontier
Find Deal
Fri, Nov 7 - Mon, Nov 17
Frontier Logo
8:48 pm - 4:59 pmIAH-DCA
19h 11m1 stop
Frontier Logo
8:15 am - 9:52 pmDCA-IAH
14h 37m1 stop
$155Frontier
Find Deal
Mon, Nov 3 - Tue, Nov 11
Frontier Logo
11:32 am - 1:05 pmIAH-DCA
24h 33m1 stop
Frontier Logo
2:00 pm - 12:31 amDCA-IAH
11h 31m1 stop
$161Frontier
Find Deal
Fri, Jan 23 - Mon, Jan 26
American Airlines Logo
6:04 am - 10:04 amIAH-DCA
3h 00mnonstop
American Airlines Logo
7:45 pm - 10:30 pmDCA-IAH
3h 45mnonstop
$163American Airlines
Find Deal
Sat, Jan 10 - Sat, Jan 17
United Airlines Logo
7:30 am - 11:29 amIAH-DCA
2h 59mnonstop
United Airlines Logo
12:40 pm - 3:26 pmDCA-IAH
3h 46mnonstop
$181United Airlines
Find Deal
Fri, Jan 9 - Sat, Jan 17
United Airlines Logo
8:00 pm - 11:59 pmIAH-DCA
2h 59mnonstop
United Airlines Logo
10:30 am - 3:45 pmDCA-IAH
6h 15m1 stop
$186United Airlines
Find Deal
Sat, Jan 10 - Sat, Jan 24
American Airlines Logo
10:24 am - 2:23 pmIAH-DCA
2h 59mnonstop
American Airlines Logo
7:45 pm - 10:30 pmDCA-IAH
3h 45mnonstop
$200American Airlines
Find Deal
Sun, Jan 25 - Sun, Jan 25
Delta Logo
7:01 am - 12:42 pmIAH-DCA
4h 41m1 stop
Delta Logo
7:40 pm - 11:59 pmDCA-IAH
5h 19m1 stop
$217Delta
Find Deal
Wed, Dec 3 - Wed, Dec 3
Delta Logo
3:40 pm - 10:16 pmIAH-DCA
5h 36m1 stop
Delta Logo
7:00 am - 11:27 amDCA-IAH
5h 27m1 stop
$218Delta
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Fri, Jan 9 - Sat, Jan 17
Multiple Airlines Logo
11:32 am - 1:05 pmIAH-DCA
24h 33m1 stop
Multiple Airlines Logo
8:00 am - 5:18 amDCA-IAH
22h 18m2 stops
$220Multiple Airlines
Find Deal
Tue, Jan 20 - Sat, Jan 24

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
Nov 7
IAH8:48 pmHouston George Bush Intcntl
15h 14m
1 stop
DCA1:02 pmWashington, D.C. Reagan-National
Nov 17
DCA2:00 pmWashington, D.C. Reagan-National
10h 39m
1 stop
IAH11:39 pmHouston George Bush Intcntl
$154
Find similar
Frontier
Nov 3
IAH8:48 pmHouston George Bush Intcntl
19h 11m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
Nov 11
DCA8:15 amWashington, D.C. Reagan-National
14h 37m
1 stop
IAH9:52 pmHouston George Bush Intcntl
$155
Find similar
Frontier
Jan 23
IAH11:32 amHouston George Bush Intcntl
24h 33m
1 stop
DCA1:05 pmWashington, D.C. Reagan-National
Jan 26
DCA2:00 pmWashington, D.C. Reagan-National
11h 31m
1 stop
IAH12:31 amHouston George Bush Intcntl
$161
Find similar

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

Our best American Airlines deals on Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Jan 10
IAH6:04 amHouston George Bush Intcntl
3h 00m
DCA10:04 amWashington, D.C. Reagan-National
Jan 17
DCA7:45 pmWashington, D.C. Reagan-National
3h 45m
IAH10:30 pmHouston George Bush Intcntl
$163
Find similar
American Airlines
Jan 25
IAH10:24 amHouston George Bush Intcntl
2h 59m
DCA2:23 pmWashington, D.C. Reagan-National
Jan 25
DCA7:45 pmWashington, D.C. Reagan-National
3h 45m
IAH10:30 pmHouston George Bush Intcntl
$200
Find similar
American Airlines
Jan 20
IAH8:00 amHouston George Bush Intcntl
8h 47m
1 stop
DCA5:47 pmWashington, D.C. Reagan-National
Jan 24
DCA8:20 amWashington, D.C. Reagan-National
9h 13m
1 stop
IAH4:33 pmHouston George Bush Intcntl
$207
Find similar

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 October 22, 2025.
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

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Fri 11/7

8:48 pm-1:02 pm

1 stop15h 14m

Washington, D.C. Reagan-National

Mon 11/17

2:00 pm-11:39 pm

1 stop10h 39m

$154

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Mon 11/3

8:48 pm-4:59 pm

1 stop19h 11m

Washington, D.C. Reagan-National

Tue 11/11

8:15 am-9:52 pm

1 stop14h 37m

$155

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Fri 1/23

11:32 am-1:05 pm

1 stop24h 33m

Washington, D.C. Reagan-National

Mon 1/26

2:00 pm-12:31 am

1 stop11h 31m

$161

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Sat 1/10

6:04 am-10:04 am

Nonstop3h 00m

Washington, D.C. Reagan-National

Sat 1/17

7:45 pm-10:30 pm

Nonstop3h 45m

$163

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Fri 1/9

7:30 am-11:29 am

Nonstop2h 59m

Washington, D.C. Reagan-National

Sat 1/17

12:40 pm-3:26 pm

Nonstop3h 46m

$181

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Sat 1/10

8:00 pm-11:59 pm

Nonstop2h 59m

Washington, D.C. Reagan-National

Sat 1/24

10:30 am-3:45 pm

1 stop6h 15m

$186

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Sun 1/25

10:24 am-2:23 pm

Nonstop2h 59m

Washington, D.C. Reagan-National

Sun 1/25

7:45 pm-10:30 pm

Nonstop3h 45m

$200

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 12/3

7:01 am-12:42 pm

1 stop4h 41m

Washington, D.C. Reagan-National

Wed 12/3

7:40 pm-11:59 pm

1 stop5h 19m

$217

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Fri 1/9

3:40 pm-10:16 pm

1 stop5h 36m

Washington, D.C. Reagan-National

Sat 1/17

7:00 am-11:27 am

1 stop5h 27m

$218

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Tue 1/20

11:32 am-1:05 pm

1 stop24h 33m

Washington, D.C. Reagan-National

Sat 1/24

8:00 am-5:18 am

2 stops22h 18m

$220

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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. 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 cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of August 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 $303. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $332.

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 $305. 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 $446. 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 evening. Our users have found flights to Washington, D.C. Reagan-National Airport in the evening for as low as $351. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is at noon when prices are around $463.

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 $369 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 $237 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.

Can stopping save me money on Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport flights?

No. A direct flight is the cheapest option for a flight between Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport.

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

As of October 2025, prices for Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport flights are approximately 15% cheaper 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

$183

Fastest flight time

2h 51m

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 $183. 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 $308.
The fastest flight from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport takes 2h 51m
Direct flights go from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport every day.
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  • 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 59m.

  • 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
Spirit AirlinesPriceFrom $99Free CancellationRating
6.3
8,098 reviews
Search Spirit Airlines flights
FrontierPriceFrom $143Free CancellationRating
5.8
3,129 reviews
Search Frontier flights
DeltaPriceFrom $144Free CancellationRating
7.9
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $177Free CancellationRating
7.2
11,028 reviews
Search American Airlines flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
8,990 reviews
Search United Airlines flights

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

    Across 40 United Airlines flights from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport this week, the average price was $391, with the best United Airlines deals starting from $249 round-trip. 8,990 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 (7.2/10 from 11,028 reviews) operates around 18 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 $303, with deals from around $177 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Glen Burnie
Springfield
Linthicum Heights

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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