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Cheap flights from Washington, D.C. to Houston from $28

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. to Houston departing on 9/13. 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. to Houston (WAS-IAH)

Cheap round-trip flights

Spirit Airlines Logo
11:02 am - 1:32 pmBWI-IAH
3h 30mnonstop
Spirit Airlines Logo
5:50 am - 9:58 amIAH-BWI
3h 08mnonstop
$58Spirit Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
Spirit Airlines Logo
11:27 am - 1:45 pmBWI-IAH
3h 18mnonstop
Spirit Airlines Logo
7:00 pm - 11:16 pmIAH-BWI
3h 16mnonstop
$59Spirit Airlines
Find Deal
Wed, Sep 3 - Sat, Sep 6
Spirit Airlines Logo
11:02 am - 1:32 pmBWI-IAH
3h 30mnonstop
Spirit Airlines Logo
5:50 am - 9:58 amIAH-BWI
3h 08mnonstop
$60Spirit Airlines
Find Deal
Wed, Sep 10 - Tue, Sep 16
Frontier Logo
7:00 am - 5:01 pmIAD-IAH
11h 01m1 stop
Frontier Logo
11:44 am - 6:14 pmIAH-IAD
5h 30m1 stop
$143Frontier
Find Deal
Sat, Sep 13 - Sun, Sep 14
Frontier Logo
1:55 pm - 9:53 pmIAD-IAH
8h 58m1 stop
Frontier Logo
11:44 am - 6:14 pmIAH-IAD
5h 30m1 stop
$144Frontier
Find Deal
Fri, Sep 5 - Sun, Sep 7
United Airlines Logo
6:00 am - 8:14 amIAD-IAH
3h 14mnonstop
United Airlines Logo
10:55 am - 3:03 pmIAH-IAD
3h 08mnonstop
$157United Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
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
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
Find Deal
Fri, Sep 5 - Wed, Sep 10

Spirit Airlines flights from Washington, D.C. to Houston George Bush Intcntl Airport

Our best Spirit Airlines deals on Washington, D.C. to Houston George Bush Intcntl Airport flight tickets
Spirit Airlines
Sep 9
BWI11:02 amBaltimore/Washington
3h 30m
IAH1:32 pmHouston George Bush Intcntl
Sep 16
IAH5:50 amHouston George Bush Intcntl
3h 08m
BWI9:58 amBaltimore/Washington
$58
Find similar
Spirit Airlines
Sep 3
BWI11:27 amBaltimore/Washington
3h 18m
IAH1:45 pmHouston George Bush Intcntl
Sep 6
IAH7:00 pmHouston George Bush Intcntl
3h 16m
BWI11:16 pmBaltimore/Washington
$59
Find similar
Spirit Airlines
Sep 10
BWI11:02 amBaltimore/Washington
3h 30m
IAH1:32 pmHouston George Bush Intcntl
Sep 16
IAH5:50 amHouston George Bush Intcntl
3h 08m
BWI9:58 amBaltimore/Washington
$60
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United Airlines flights from Washington, D.C. to Houston George Bush Intcntl Airport

Our best United Airlines deals on Washington, D.C. to Houston George Bush Intcntl Airport flight tickets
United Airlines
Sep 9
IAD6:00 amWashington, D.C. Dulles Intl
3h 14m
IAH8:14 amHouston George Bush Intcntl
Sep 16
IAH10:55 amHouston George Bush Intcntl
3h 08m
IAD3:03 pmWashington, D.C. Dulles Intl
$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
Sep 9
IAD12:46 pmWashington, D.C. Dulles Intl
5h 28m
1 stop
IAH5:14 pmHouston George Bush Intcntl
Sep 16
IAH10:55 amHouston George Bush Intcntl
3h 08m
IAD3:03 pmWashington, D.C. Dulles Intl
$184
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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. to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

Tue 9/9

11:02 am-1:32 pm

Nonstop3h 30m

Houston George Bush Intcntl

Tue 9/16

5:50 am-9:58 am

Nonstop3h 08m

$58

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

Wed 9/3

11:27 am-1:45 pm

Nonstop3h 18m

Houston George Bush Intcntl

Sat 9/6

7:00 pm-11:16 pm

Nonstop3h 16m

$59

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

Wed 9/10

11:02 am-1:32 pm

Nonstop3h 30m

Houston George Bush Intcntl

Tue 9/16

5:50 am-9:58 am

Nonstop3h 08m

$60

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sat 9/13

7:00 am-5:01 pm

1 stop11h 01m

Houston George Bush Intcntl

Sun 9/14

11:44 am-6:14 pm

1 stop5h 30m

$143

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Fri 9/5

1:55 pm-9:53 pm

1 stop8h 58m

Houston George Bush Intcntl

Sun 9/7

11:44 am-6:14 pm

1 stop5h 30m

$144

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Tue 9/9

6:00 am-8:14 am

Nonstop3h 14m

Houston George Bush Intcntl

Tue 9/16

10:55 am-3:03 pm

Nonstop3h 08m

$157

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

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

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. 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 typical price of a round-trip flight between Washington, D.C. and Houston George Bush Intcntl Airport?

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

The month of September is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Washington, D.C., with most prices found around $197. If you are unable to visit Houston George Bush Intcntl Airport during the month of September, then departing from Washington, D.C. during the month August is also very affordable. Most momondo users find prices during this month for around $249.

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. 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. 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. to Houston George Bush Intcntl flight route?

Fly from Baltimore/Washington to Houston George Bush Intcntl for the best Washington, D.C. - 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. 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. for as low as $299 on momondo.

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

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

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

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

As of August 2025, prices for Washington, D.C. to Houston George Bush Intcntl Airport flights are approximately 9% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. 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. 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. to Houston George Bush Intcntl Airport (WAS to IAH) flight deals and tips

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

Best Price Found

$28

Fastest flight time

3h 12m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Washington, D.C. in the past 72 hours is $28. The best round-trip flight deal from Washington, D.C. to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $58.
The fastest flight from Washington, D.C. to Houston George Bush Intcntl Airport takes 3h 12m
Direct flights go from Washington, D.C. to Houston George Bush Intcntl Airport every day.
Search flight deals

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

    A flight from Washington, D.C. to Houston George Bush Intcntl will travel around 1207.3 mi. By plane, this route typically takes 3h 13m.

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

    Prices for flights from Washington, D.C. to Houston George Bush Intcntl Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. 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. to Houston George Bush Intcntl Airport?

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

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

Compare and see reviews for airlines that fly from Washington, D.C. to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $91Free CancellationRating
6.3
8,045 reviews
Search Spirit Airlines flights
FrontierPriceFrom $109Free CancellationRating
5.8
3,219 reviews
Search Frontier flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
DeltaPriceFrom $228Free CancellationRating
8.0
7,980 reviews
Search Delta flights

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

    United Airlines operates around 62 flights from Washington, D.C. to Houston George Bush Intcntl Airport every week. The average price of these flights found in the last 72 hours has been $383, but momondo users have found United Airlines deals from Washington, D.C. to Houston George Bush Intcntl Airport from as low as $199 round-trip. United Airlines has been scored 7.4/10 in 8,916 reviews.

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
Montgomery
Tomball
Livingston
Jersey Village

Why use momondo?

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

Finding the right flight to Houston from Washington, D.C. 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 Houston quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Houston flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Houston from Washington, D.C..

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

Yes momondo offers price alerts on flights to Houston from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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