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Cheap flights from Washington, D.C. Reagan-National Airport to Houston 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 Washington, D.C. Reagan-National Airport to Houston departing on 3/24. 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 Washington, D.C. Reagan-National Airport to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:00 pm - 12:33 am
DCA
-
IAH
11h 33m
1 stop
Frontier Logo
8:45 am - 1:15 pm
IAH
-
DCA
27h 30m
1 stop
$149Frontier
Thu, Feb 19 - Tue, Feb 24
Frontier Logo
2:00 pm - 11:39 pm
DCA
-
IAH
10h 39m
1 stop
Frontier Logo
6:45 am - 4:59 pm
IAH
-
DCA
9h 14m
1 stop
$154Frontier
Wed, Feb 4 - Thu, Feb 5
Frontier Logo
2:00 pm - 12:33 am
DCA
-
IAH
11h 33m
1 stop
Frontier Logo
4:08 pm - 1:02 pm
IAH
-
DCA
19h 54m
1 stop
$155Frontier
Thu, Jan 29 - Wed, Feb 4
Frontier Logo
8:00 am - 3:13 pm
DCA
-
IAH
8h 13m
1 stop
Frontier Logo
7:00 pm - 1:02 pm
IAH
-
DCA
17h 02m
1 stop
$156Frontier
Sat, Feb 7 - Sat, Feb 7
Frontier Logo
8:00 am - 11:32 pm
DCA
-
IAH
16h 32m
1 stop
Frontier Logo
6:39 am - 4:59 pm
IAH
-
DCA
9h 20m
1 stop
$157Frontier
Tue, Feb 17 - Thu, Feb 19
Frontier Logo
2:00 pm - 12:33 am
DCA
-
IAH
11h 33m
1 stop
Frontier Logo
10:56 pm - 1:02 pm
IAH
-
DCA
13h 06m
1 stop
$160Frontier
Sat, Feb 14 - Wed, Mar 25
Frontier Logo
2:00 pm - 11:39 pm
DCA
-
IAH
10h 39m
1 stop
Frontier Logo
4:47 pm - 9:59 pm
IAH
-
DCA
28h 12m
1 stop
$163Frontier
Sat, Feb 7 - Mon, Feb 9
Frontier Logo
2:00 pm - 11:39 pm
DCA
-
IAH
10h 39m
1 stop
Frontier Logo
3:11 pm - 9:59 pm
IAH
-
DCA
29h 48m
1 stop
$165Frontier
Wed, Feb 4 - Thu, Feb 5
Frontier Logo
8:00 am - 11:39 pm
DCA
-
IAH
16h 39m
1 stop
Frontier Logo
6:45 am - 4:59 pm
IAH
-
DCA
9h 14m
1 stop
$166Frontier
Sat, Feb 7 - Sat, Feb 14
Frontier Logo
1:00 pm - 11:39 pm
DCA
-
IAH
11h 39m
1 stop
Frontier Logo
6:45 am - 4:59 pm
IAH
-
DCA
9h 14m
1 stop
$170Frontier
Tue, Jan 27 - Thu, Jan 29

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

Our best Frontier deals on Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport flight tickets
Frontier
Feb 19
DCA2:00 pmWashington, D.C. Reagan-National
11h 33m
1 stop
IAH12:33 amHouston George Bush Intcntl
Feb 24
IAH8:45 amHouston George Bush Intcntl
27h 30m
1 stop
DCA1:15 pmWashington, D.C. Reagan-National
$149
Frontier
Feb 4
DCA2:00 pmWashington, D.C. Reagan-National
10h 39m
1 stop
IAH11:39 pmHouston George Bush Intcntl
Feb 5
IAH6:45 amHouston George Bush Intcntl
9h 14m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
$154
Frontier
Jan 29
DCA2:00 pmWashington, D.C. Reagan-National
11h 33m
1 stop
IAH12:33 amHouston George Bush Intcntl
Feb 4
IAH4:08 pmHouston George Bush Intcntl
19h 54m
1 stop
DCA1:02 pmWashington, D.C. Reagan-National
$155

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl 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 15, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Thu 2/19

2:00 pm-12:33 am

1 stop11h 33m

Houston George Bush Intcntl

Tue 2/24

8:45 am-1:15 pm

1 stop27h 30m

$149

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Wed 2/4

2:00 pm-11:39 pm

1 stop10h 39m

Houston George Bush Intcntl

Thu 2/5

6:45 am-4:59 pm

1 stop9h 14m

$154

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Thu 1/29

2:00 pm-12:33 am

1 stop11h 33m

Houston George Bush Intcntl

Wed 2/4

4:08 pm-1:02 pm

1 stop19h 54m

$155

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Sat 2/7

8:00 am-3:13 pm

1 stop8h 13m

Houston George Bush Intcntl

Sat 2/7

7:00 pm-1:02 pm

1 stop17h 02m

$156

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Tue 2/17

8:00 am-11:32 pm

1 stop16h 32m

Houston George Bush Intcntl

Thu 2/19

6:39 am-4:59 pm

1 stop9h 20m

$157

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Sat 2/14

2:00 pm-12:33 am

1 stop11h 33m

Houston George Bush Intcntl

Wed 3/25

10:56 pm-1:02 pm

1 stop13h 06m

$160

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Sat 2/7

2:00 pm-11:39 pm

1 stop10h 39m

Houston George Bush Intcntl

Mon 2/9

4:47 pm-9:59 pm

1 stop28h 12m

$163

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Wed 2/4

2:00 pm-11:39 pm

1 stop10h 39m

Houston George Bush Intcntl

Thu 2/5

3:11 pm-9:59 pm

1 stop29h 48m

$165

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Sat 2/7

8:00 am-11:39 pm

1 stop16h 39m

Houston George Bush Intcntl

Sat 2/14

6:45 am-4:59 pm

1 stop9h 14m

$166

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Tue 1/27

1:00 pm-11:39 pm

1 stop11h 39m

Houston George Bush Intcntl

Thu 1/29

6:45 am-4:59 pm

1 stop9h 14m

$170

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 Houston from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl 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 Houston George Bush Intcntl Airport?

The month of August is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Washington, D.C. Reagan-National Airport, with most prices found around $303. If you are unable to visit Houston George Bush Intcntl Airport during the month of August, then departing from Washington, D.C. Reagan-National Airport during the month July is also very affordable. Most momondo users find prices during this month for around $349.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport is on a Friday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Friday will often find tickets for as low as $489. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Wednesday is $535.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport flights are usually those with departure times in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $415. Try not to purchase tickets in the afternoon because they tend to be around $656. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Washington, D.C. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $408 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Washington, D.C. Reagan-National Airport for as low as $278 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. Reagan-National to Houston George Bush Intcntl 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 Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport flights?

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

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

As of January 2026, prices for Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport flights are approximately 6% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport (DCA to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport

Best Price Found

$204

Fastest flight time

3h 32m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Washington, D.C. Reagan-National Airport in the past 72 hours is $204. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $417.
The fastest flight from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport takes 3h 32m
Direct flights go from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport every day.
Search flight deals

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

    Houston George Bush Intcntl is 1205.6 mi away from Washington, D.C. Reagan-National. 3h 32m is a normal flight duration for this route.

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

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

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

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

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The travel and health documents you'll need for your trip to Houston George Bush Intcntl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston George Bush Intcntl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $58Free CancellationRating
6.3
8,320 reviews
Search Spirit Airlines flights
FrontierPriceFrom $108Free CancellationRating
5.7
3,057 reviews
Search Frontier flights
American AirlinesPriceFrom $233Free CancellationRating
7.2
11,132 reviews
Search American Airlines flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights

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

    United Airlines is one of the most popular airlines flying from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport, operating 38 flights/week on average for this route. A good United Airlines flight deal for Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport starts from $269 round-trip, up to an average price of $401. Our users have rated United Airlines at 7.4/10.

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

    American Airlines is also a popular choice for this route. American Airlines flight deals for Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport start from as low as $233 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around $355. American Airlines operates 16 flights to Houston George Bush Intcntl Airport from Washington, D.C. Reagan-National Airport in an average week. Users have rated it 7.2/10 across 11,132 reviews.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
The Woodlands
Katy
Conroe
Cypress
Humble
Spring
Montgomery
Tomball
Livingston
Jersey Village

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Houston. momondo saves you time and could save you money on your trip.

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

All flight searches from Washington, D.C. to Houston on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Houston from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Houston, momondo offers a useful price alert feature which will track prices for flights to Houston from Washington, D.C. and alert you when they change.

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