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Find cheap flights from Washington Dulles Airport to Houston from $125

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Houston departing on 5/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 5/25
Sat 6/1

Search hundreds of travel sites at once for deals on flights to Houston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Houston, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Houston, as well as popular online travel agencies
In the last 7 days travelers have searched 44,979,812 times on KAYAK, and here is why:

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Cheap flight deals from Dulles Intl to Houston (IAD-HOU)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Houston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
6:25 am - 8:47 amIAD-IAH
3h 22mnonstop
6:43 pm - 10:45 pmIAH-IAD
3h 02mnonstop
$249United Airlines
Find Deal
Sat, May 18 - Fri, May 31
6:00 am - 10:59 amIAD-IAH
5h 59m1 stop
6:43 pm - 10:45 pmIAH-IAD
3h 02mnonstop
$258United Airlines
Find Deal
Wed, May 15 - Thu, Aug 1
11:28 am - 4:50 pmIAD-IAH
6h 22m1 stop
6:00 pm - 11:59 pmIAH-IAD
4h 59m1 stop
$265American Airlines
Find Deal
Sat, Jun 1 - Sat, Jun 8
6:00 am - 11:29 amIAD-IAH
6h 29m1 stop
6:56 am - 12:52 pmIAH-IAD
4h 56m1 stop
$266American Airlines
Find Deal
Wed, Jul 17 - Wed, Jul 24
11:00 am - 4:18 pmIAD-HOU
6h 18m1 stop
10:30 am - 4:02 pmHOU-IAD
4h 32m1 stop
$268Delta
Find Deal
Sat, Aug 31 - Wed, Sep 4
6:45 pm - 11:59 pmIAD-IAH
6h 14m1 stop
11:31 am - 5:22 pmIAH-IAD
4h 51m1 stop
$268Delta
Find Deal
Sat, Jun 8 - Sat, Jun 15
5:20 pm - 11:05 amIAD-IAH
18h 45m3 stops
4:25 pm - 11:20 amIAH-IAD
17h 55m3 stops
$301
Find Deal
Mon, May 6 - Thu, May 9
8:00 pm - 8:48 pmIAD-HOU
25h 48m1 stop
6:00 pm - 1:10 pmHOU-IAD
18h 10m1 stop
$305Sun Country Air
Find Deal
Fri, Jul 12 - Mon, Jul 15
8:30 am - 7:04 pmIAD-HOU
11h 34m1 stop
7:40 pm - 1:02 pmHOU-IAD
16h 22m1 stop
$325Sun Country Air
Find Deal
Sun, May 12 - Thu, May 16
2:35 am - 2:30 pmIAD-IAH
12h 55m1 stop
12:30 pm - 7:20 amIAH-IAD
41h 50m3 stops
$342
Find Deal
Thu, May 16 - Sat, May 18

Flights from Dulles Intl to Houston - Travel Insights & Trends

Get data-powered insights and trends into flights from Dulles Intl to Houston to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Washington, D.C. Dulles Intl Airport to Houston flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for one-way flights from Washington, D.C. Dulles Intl Airport to Houston.
Our data shows that the cheapest route for a one-way flight from Washington, D.C. Dulles Intl Airport to Houston cost $123 and was between Washington, D.C. Dulles Intl Airport and Houston George Bush Intcntl Airport. On average, the best prices are found if you fly this route. The average price for a return flight for this route is $277.

What’s the cheapest day of the week to fly from Washington Dulles Airport to Houston?

The average price of all flights from Washington, D.C. Dulles Intl Airport to Houston clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to Houston on a Wednesday and more expensive on a Sunday. On your return trip to Washington Dulles Airport, you should consider flying back on a Tuesday, and avoid Sundays for better deals.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Houston?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Washington, D.C. Dulles Intl Airport to Houston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Houston is January, where tickets cost $271 on average. On the other hand, the most expensive months are July and June, where the average cost of tickets is $376 and $367 respectively.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Houston?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Washington, D.C. Dulles Intl Airport to Houston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Houston, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 85 days before departure.

Which airlines provide the cheapest flights from Washington Dulles Airport to Houston?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 3 days, United Airlines offered the best one-way deal for that route, at $125. KAYAK users also found Washington Dulles Airport to Houston round-trip flights on United Airlines from $249 and on American Airlines from $265.

Which airlines fly non-stop between Washington, D.C. Dulles Intl Airport and Houston?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from Washington, D.C. Dulles Intl Airport to Houston.
There is just one airline that flies from Washington, D.C. Dulles Intl Airport to Houston direct and that is United Airlines. The best one-way deal found from United Airlines for the route is $232.

How many flights are there between Washington, D.C. Dulles Intl Airport and Houston per day?

Each day, there are between 7 and 9 nonstop flights that take off from Washington, D.C. Dulles Intl Airport and land in Houston, with an average flight time of 3h 17m. The most common departure time is 10:00 pm and most flights take off in the morning, while the most flights land at Houston George Bush Intcntl Airport. Each week, there are 57 flights. The most frequent day of departure is Wednesday, when 16% of all weekly flights depart. The fewest flights depart on a Tuesday.

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Houston?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Washington Dulles Airport to Houston take?

There are no direct flights for this route. The shortest travel duration to get to Houston from Washington Dulles Airport is 3h 06m.

Good to know

Cheapest flight

$125
Flight from Washington Dulles Airport to Houston George Bush Airport

When to book flights from Dulles Intl to Houston

Are your dates flexible? Find out the best times to travel from Dulles Intl to Houston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington Dulles Airport to Houston flights

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Houston?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Houston was $125 for a one-way ticket and $249 for a round-trip.

  • Do I need a passport to fly between Washington Dulles Airport and Houston?

    Yes

  • Which airports will I be using when flying from Washington Dulles Airport to Houston?

    When flying out of Washington Dulles Airport you will be using Washington, D.C. Dulles Intl. You will be landing at one of these airports: Houston Hobby or Houston George Bush Intcntl.

  • Which aircraft models fly most regularly from Washington Dulles Airport to Houston?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Washington Dulles Airport to Houston?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Washington Dulles Airport and Houston, with oneworld being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Houston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Houston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Houston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston from Washington Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Houston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Houston with an airline and back to Washington Dulles Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Houston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Houston from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Washington Dulles Airport to Houston?

Find which airlines fly direct from Dulles Intl to Houston, which days they fly and book direct flights.

Nonstop departures

Washington, D.C. Dulles Intl to Houston

Monday

Air New Zealand, Avianca, Brussels Airlines, +3 more

Air New Zealand, Avianca, +4 more

Tuesday

Air China, Air New Zealand, Avianca, +4 more

Air China, Air New Zealand, +5 more

Wednesday

Air New Zealand, Avianca, Brussels Airlines, +3 more

Air New Zealand, Avianca, +4 more

Thursday

Air New Zealand, Avianca, Brussels Airlines, +3 more

Air New Zealand, Avianca, +4 more

Friday

Air New Zealand, Avianca, Brussels Airlines, +3 more

Air New Zealand, Avianca, +4 more

Saturday

Air China, Air New Zealand, Avianca, +4 more

Air China, Air New Zealand, +5 more

Sunday

Air New Zealand, Avianca, Brussels Airlines, +3 more

Air New Zealand, Avianca, +4 more

See more direct flights

Nonstop returns

Houston to Washington, D.C. Dulles Intl

Monday

Air New Zealand, Avianca, Brussels Airlines, +3 more

Air New Zealand, Avianca, +4 more

Tuesday

Air China, Air New Zealand, Avianca, +4 more

Air China, Air New Zealand, +5 more

Wednesday

Air New Zealand, Avianca, Brussels Airlines, +3 more

Air New Zealand, Avianca, +4 more

Thursday

Air New Zealand, Avianca, Brussels Airlines, +3 more

Air New Zealand, Avianca, +4 more

Friday

Air New Zealand, Avianca, Brussels Airlines, +3 more

Air New Zealand, Avianca, +4 more

Saturday

Air China, Air New Zealand, Avianca, +4 more

Air China, Air New Zealand, +5 more

Sunday

Air New Zealand, Avianca, Brussels Airlines, +3 more

Air New Zealand, Avianca, +4 more

See more direct flights
See more direct flights

Book cheap flights from Washington, D.C. to Houston

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Houston found on KAYAK in the last 72 hours.
5/18Sat
nonstopUnited Airlines
3h 30mIAD-IAH
$125
5/18Sat
1 stopAmerican Airlines
5h 41mIAD-IAH
$133
8/31Sat
1 stopDelta
6h 13mIAD-HOU
$134
5/14Tue
1 stopDelta
5h 47mIAD-IAH
$134
5/13Mon
3 stops
30h 25mIAD-IAH
$152
5/9Thu
1 stopSun Country Air
6h 24mIAD-HOU
$153
5/24Fri
2 stops
25h 27mIAD-IAH
$160
7/15Mon
1 stopSun Country Air
6h 29mIAD-HOU
$173
5/6Mon
1 stopSouthwest
7h 30mIAD-IAH
$261
5/6Mon
2 stopsSouthwest
27h 35mIAD-IAH
$307

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Last minute flights from Dulles Intl to Houston

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Washington, D.C. to Houston that are departing in the next 10 days.
4/26Fri
multi-stopAmerican Airlines
5h 49mIAD-IAH
5/18Sat
multi-stopAmerican Airlines
5h 17mIAH-IAD
$423
4/26Fri
multi-stopAmerican Airlines
8h 26mIAD-IAH
5/18Sat
multi-stopAmerican Airlines
5h 17mIAH-IAD
$428
4/27Sat
multi-stop
17h 25mIAD-IAH
4/30Tue
multi-stop
26h 49mIAH-IAD
$459
4/30Tue
multi-stop
12h 56mIAD-IAH
5/5Sun
multi-stop
21h 40mIAH-IAD
$472
4/26Fri
nonstopUnited Airlines
3h 25mIAD-IAH
5/18Sat
nonstopUnited Airlines
3h 02mIAH-IAD
$514
4/26Fri
multi-stopUnited Airlines
7h 49mIAD-IAH
5/18Sat
nonstopUnited Airlines
3h 01mIAH-IAD
$523
4/29Mon
multi-stopDelta
14h 06mIAD-IAH
5/7Tue
multi-stopDelta
15h 11mIAH-IAD
$596
4/30Tue
multi-stopDelta
5h 36mIAD-HOU
5/3Fri
multi-stopDelta
4h 31mHOU-IAD
$644
4/27Sat
multi-stopAvianca
8h 50mIAD-IAH
4/30Tue
multi-stopAvianca
11h 35mIAH-IAD
$853
4/27Sat
multi-stopAvianca
8h 50mIAD-IAH
4/28Sun
multi-stopAvianca
34h 05mIAH-IAD
$1,128

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Washington Dulles Airport - Houston Flights

Departure:

Washington Dulles Airport (IAD)United States

Return flight deals:

Houston - Washington Dulles Airport

Cabin classes:

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