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$124 Find cheap flights from Washington Dulles Airport to Houston

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 7/9. 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
Wed 7/10
Wed 7/17

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 42,898,604 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
10:05 pm - 12:11 amIAD-IAH
3h 06mnonstop
7:50 pm - 11:52 pmIAH-IAD
3h 02mnonstop
$249United Airlines
Find Deal
Tue, Jul 9 - Tue, Jul 16
8:25 am - 11:10 amIAD-IAH
27h 45m3 stops
6:50 am - 7:20 amIAH-IAD
23h 30m2 stops
$254
Find Deal
Tue, Jul 9 - Tue, Jul 16
12:55 pm - 11:10 amIAD-IAH
23h 15m3 stops
5:00 pm - 4:10 pmIAH-IAD
22h 10m3 stops
$259
Find Deal
Tue, Jul 9 - Tue, Jul 16
6:10 am - 10:45 amIAD-IAH
5h 35m1 stop
4:50 pm - 11:06 pmIAH-IAD
5h 16m1 stop
$267Delta
Find Deal
Fri, Jul 5 - Wed, Jul 10
4:54 pm - 10:20 pmIAD-HOU
6h 26m1 stop
6:00 am - 12:41 pmHOU-IAD
5h 41m1 stop
$268Delta
Find Deal
Sat, Aug 31 - Wed, Sep 4
9:13 am - 3:58 pmIAD-HOU
7h 45m2 stops
4:28 pm - 11:10 pmHOU-IAD
5h 42m1 stop
$273American Airlines
Find Deal
Thu, Sep 5 - Tue, Sep 10
1:58 pm - 10:09 pmIAD-IAH
9h 11m2 stops
12:13 pm - 10:10 pmIAH-IAD
8h 57m2 stops
$278American Airlines
Find Deal
Thu, Sep 5 - Tue, Sep 10
12:07 pm - 7:08 pmIAD-HOU
8h 01m1 stop
6:00 pm - 1:10 pmHOU-IAD
18h 10m1 stop
$295Sun Country Air
Find Deal
Thu, Jul 11 - Mon, Jul 15
11:33 am - 5:02 pmIAD-HOU
6h 29m1 stop
6:00 pm - 6:10 pmHOU-IAD
23h 10m1 stop
$315Sun Country Air
Find Deal
Mon, Jul 15 - Sun, Jul 21
2:43 am - 7:58 pmIAD-IAH
18h 15m1 stop
9:28 pm - 12:20 pmIAH-IAD
13h 52m1 stop
$422Volaris El Salvador
Find Deal
Thu, Oct 17 - Wed, Oct 23

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 $124 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 $276.

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 Friday. On your return trip to Washington Dulles Airport, you should consider flying back on a Saturday, 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 October, where tickets cost $286 on average. On the other hand, the most expensive months are March and December, where the average cost of tickets is $372 and $368 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 Delta from $267.

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 7 nonstop flights that take off from Washington, D.C. Dulles Intl Airport and land in Houston, with an average flight time of 3h 11m. The most common departure time is 6:00 am and most flights take off in the morning. Each week, there are 49 flights and there are the same amount of flights each day 7.

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

$124
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 $124 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.
7/9Tue
3 stops
23h 15mIAD-IAH
$124
7/9Tue
nonstopUnited Airlines
3h 06mIAD-IAH
$125
7/10Wed
1 stopAmerican Airlines
4h 46mIAD-IAH
$133
8/31Sat
1 stopDelta
6h 26mIAD-HOU
$134
7/9Tue
1 stopDelta
7h 39mIAD-IAH
$134
8/21Wed
2 stopsAmerican Airlines
10h 00mIAD-IAH
$139
6/19Wed
1 stopSun Country Air
9h 08mIAD-HOU
$154
7/14Sun
1 stopSun Country Air
29h 35mIAD-HOU
$168
9/7Sat
1 stopVolaris El Salvador
18h 15mIAD-IAH
$198
6/18Tue
1 stopVolaris El Salvador
18h 15mIAD-IAH
$399

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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.
6/14Fri
multi-stop
16h 09mIAD-IAH
6/17Mon
multi-stop
33h 25mIAH-IAD
$369
6/14Fri
multi-stop
16h 09mIAD-IAH
6/16Sun
multi-stop
27h 40mIAH-IAD
$371
6/12Wed
multi-stopAmerican Airlines
6h 05mIAD-IAH
7/13Sat
multi-stopAmerican Airlines
4h 56mIAH-IAD
$426
6/11Tue
multi-stopAmerican Airlines
8h 01mIAD-IAH
6/27Thu
multi-stopAmerican Airlines
7h 43mIAH-IAD
$506
6/12Wed
multi-stopUnited Airlines
11h 35mIAD-IAH
7/13Sat
nonstopUnited Airlines
3h 02mIAH-IAD
$514
6/12Wed
nonstopUnited Airlines
3h 09mIAD-IAH
6/30Sun
nonstopUnited Airlines
3h 02mIAH-IAD
$548
6/12Wed
multi-stopDelta
5h 39mIAD-IAH
7/5Fri
multi-stopDelta
6h 49mIAH-IAD
$558
6/14Fri
multi-stopDelta
7h 14mIAD-HOU
6/16Sun
multi-stopDelta
4h 40mHOU-IAD
$698
6/15Sat
multi-stopAlaska Airlines
24h 13mIAD-IAH
6/16Sun
multi-stopAlaska Airlines
21h 30mIAH-IAD
$1,488
6/15Sat
multi-stopAlaska Airlines
21h 56mIAD-IAH
6/17Mon
multi-stopAlaska Airlines
22h 39mIAH-IAD
$1,593

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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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