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Cheap flights from Washington, D.C. Reagan-National Airport to Houston from $79

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 10/29. 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 (DCA-IAH)

Cheap round-trip flights

United Airlines Logo
7:59 pm - 10:12 pmDCA-IAH
3h 13mnonstop
United Airlines Logo
6:05 pm - 10:09 pmIAH-DCA
3h 04mnonstop
$157United Airlines
Find Deal
Wed, Sep 10 - Wed, Sep 17
Frontier Logo
1:00 pm - 11:39 pmDCA-IAH
11h 39m1 stop
Frontier Logo
7:30 am - 9:59 pmIAH-DCA
13h 29m1 stop
$167Frontier
Find Deal
Fri, Sep 5 - Tue, Sep 9
Frontier Logo
7:00 am - 11:09 amDCA-IAH
29h 09m1 stop
Frontier Logo
9:08 pm - 9:59 pmIAH-DCA
23h 51m1 stop
$168Frontier
Find Deal
Sat, Sep 13 - Sun, Sep 14
Frontier Logo
7:00 am - 11:39 pmDCA-IAH
17h 39m1 stop
Frontier Logo
9:08 pm - 9:59 pmIAH-DCA
23h 51m1 stop
$169Frontier
Find Deal
Fri, Sep 12 - Mon, Sep 15
United Airlines Logo
2:59 pm - 5:21 pmDCA-IAH
3h 22mnonstop
United Airlines Logo
7:50 pm - 11:54 pmIAH-DCA
3h 04mnonstop
$174United Airlines
Find Deal
Fri, Sep 5 - Tue, Sep 9
United Airlines Logo
7:59 pm - 10:13 pmDCA-IAH
3h 14mnonstop
United Airlines Logo
5:00 am - 11:58 amIAH-DCA
5h 58m1 stop
$184United Airlines
Find Deal
Wed, Oct 1 - Thu, Nov 13
American Airlines Logo
2:15 pm - 4:32 pmDCA-IAH
3h 17mnonstop
American Airlines Logo
9:39 am - 2:00 pmIAH-DCA
3h 21mnonstop
$235American Airlines
Find Deal
Wed, Sep 17 - Sun, Sep 21
American Airlines Logo
8:45 am - 11:21 amDCA-IAH
3h 36mnonstop
American Airlines Logo
5:05 pm - 9:16 pmIAH-DCA
3h 11mnonstop
$236American Airlines
Find Deal
Sat, Sep 13 - Sun, Sep 14
Delta Logo
6:00 am - 9:23 amDCA-IAH
4h 23m1 stop
Delta Logo
1:07 pm - 7:35 pmIAH-DCA
5h 28m1 stop
$237Delta
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Fri, Sep 5 - Wed, Sep 10
JetBlue Logo
8:00 am - 1:43 pmDCA-IAH
6h 43m1 stop
JetBlue Logo
1:38 pm - 9:03 pmIAH-DCA
6h 25m1 stop
$251JetBlue
Find Deal
Fri, Oct 24 - Sun, Oct 26

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

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport flight tickets
United Airlines
Sep 10
DCA7:59 pmWashington, D.C. Reagan-National
3h 13m
IAH10:12 pmHouston George Bush Intcntl
Sep 17
IAH6:05 pmHouston George Bush Intcntl
3h 04m
DCA10:09 pmWashington, D.C. Reagan-National
$157
Find similar
United Airlines
Sep 5
DCA2:59 pmWashington, D.C. Reagan-National
3h 22m
IAH5:21 pmHouston George Bush Intcntl
Sep 9
IAH7:50 pmHouston George Bush Intcntl
3h 04m
DCA11:54 pmWashington, D.C. Reagan-National
$174
Find similar
United Airlines
Oct 1
DCA7:59 pmWashington, D.C. Reagan-National
3h 14m
IAH10:13 pmHouston George Bush Intcntl
Nov 13
IAH5:00 amHouston George Bush Intcntl
5h 58m
1 stop
DCA11:58 amWashington, D.C. Reagan-National
$184
Find similar

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
Sep 5
DCA1:00 pmWashington, D.C. Reagan-National
11h 39m
1 stop
IAH11:39 pmHouston George Bush Intcntl
Sep 9
IAH7:30 amHouston George Bush Intcntl
13h 29m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$167
Find similar
Frontier
Sep 13
DCA7:00 amWashington, D.C. Reagan-National
29h 09m
1 stop
IAH11:09 amHouston George Bush Intcntl
Sep 14
IAH9:08 pmHouston George Bush Intcntl
23h 51m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$168
Find similar
Frontier
Sep 12
DCA7:00 amWashington, D.C. Reagan-National
17h 39m
1 stop
IAH11:39 pmHouston George Bush Intcntl
Sep 15
IAH9:08 pmHouston George Bush Intcntl
23h 51m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$169
Find similar

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 August 14, 2025.
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

Wed 9/10

7:59 pm-10:12 pm

Nonstop3h 13m

Houston George Bush Intcntl

Wed 9/17

6:05 pm-10:09 pm

Nonstop3h 04m

$157

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Fri 9/5

1:00 pm-11:39 pm

1 stop11h 39m

Houston George Bush Intcntl

Tue 9/9

7:30 am-9:59 pm

1 stop13h 29m

$167

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Sat 9/13

7:00 am-11:09 am

1 stop29h 09m

Houston George Bush Intcntl

Sun 9/14

9:08 pm-9:59 pm

1 stop23h 51m

$168

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Fri 9/12

7:00 am-11:39 pm

1 stop17h 39m

Houston George Bush Intcntl

Mon 9/15

9:08 pm-9:59 pm

1 stop23h 51m

$169

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Fri 9/5

2:59 pm-5:21 pm

Nonstop3h 22m

Houston George Bush Intcntl

Tue 9/9

7:50 pm-11:54 pm

Nonstop3h 04m

$174

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Wed 10/1

7:59 pm-10:13 pm

Nonstop3h 14m

Houston George Bush Intcntl

Thu 11/13

5:00 am-11:58 am

1 stop5h 58m

$184

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Wed 9/17

2:15 pm-4:32 pm

Nonstop3h 17m

Houston George Bush Intcntl

Sun 9/21

9:39 am-2:00 pm

Nonstop3h 21m

$235

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Sat 9/13

8:45 am-11:21 am

Nonstop3h 36m

Houston George Bush Intcntl

Sun 9/14

5:05 pm-9:16 pm

Nonstop3h 11m

$236

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Fri 9/5

6:00 am-9:23 am

1 stop4h 23m

Houston George Bush Intcntl

Wed 9/10

1:07 pm-7:35 pm

1 stop5h 28m

$237

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Fri 10/24

8:00 am-1:43 pm

1 stop6h 43m

Houston George Bush Intcntl

Sun 10/26

1:38 pm-9:03 pm

1 stop6h 25m

$251

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 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 January 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 $349. If you are unable to visit Houston George Bush Intcntl Airport during the month of January, then departing from Washington, D.C. Reagan-National Airport during the month February 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 $484. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Sunday is $558.

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 $394. Try not to purchase tickets in the afternoon because they tend to be around $655. 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 $372 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 $315 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 August 2025, prices for Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport flights are approximately 24% 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

$79

Fastest flight time

3h 12m

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 $79. 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 $157.
The fastest flight from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport takes 3h 12m
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 13m 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
FrontierPriceFrom $137Free CancellationRating
5.8
3,219 reviews
Search Frontier flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $264Free CancellationRating
7.4
8,916 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 30 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 $264 round-trip, up to an average price of $384. Our users have rated United Airlines at 7.4/10.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
The Woodlands
Katy
Conroe
Humble
Cypress
Spring
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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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