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$123 Find cheap flights from Houston to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Houston to Dulles Intl departing on 7/4. 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 6/29
Sat 7/6

Search hundreds of travel sites at once for deals on flights to Washington Dulles Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Houston to Washington, D.C., 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 Houston to Washington, D.C., as well as popular online travel agencies
In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

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Cheap flight deals from Houston to Dulles Intl

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Houston to Dulles Intl 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
7:34 am - 4:32 pmIAH-IAD
7h 58m1 stop
8:14 pm - 9:01 amIAD-IAH
13h 47m1 stop
$244American Airlines
Find Deal
Sun, Sep 8 - Sun, Sep 8
6:43 pm - 10:45 pmIAH-IAD
3h 02mnonstop
8:45 am - 10:53 amIAD-IAH
3h 08mnonstop
$249United Airlines
Find Deal
Tue, Jul 2 - Thu, Jul 4
6:43 pm - 10:45 pmIAH-IAD
3h 02mnonstop
6:05 am - 11:01 amIAD-IAH
5h 56m1 stop
$259United Airlines
Find Deal
Sat, Aug 17 - Sun, Sep 1
6:00 pm - 11:59 pmIAH-IAD
4h 59m1 stop
1:10 pm - 7:39 pmIAD-IAH
7h 29m1 stop
$265American Airlines
Find Deal
Wed, Jun 19 - Thu, Aug 22
5:08 pm - 12:01 amHOU-IAD
5h 53m1 stop
6:00 am - 12:11 pmIAD-HOU
7h 11m1 stop
$268Delta
Find Deal
Wed, Sep 4 - Wed, Sep 11
9:10 am - 3:59 pmIAH-IAD
5h 49m1 stop
5:15 pm - 10:20 pmIAD-IAH
6h 05m1 stop
$268Delta
Find Deal
Fri, Sep 6 - Mon, Sep 9
6:55 am - 4:10 pmIAH-IAD
32h 15m2 stops
12:55 pm - 2:48 pmIAD-IAH
26h 53m2 stops
$273
Find Deal
Wed, Jun 19 - Tue, Jun 25
10:50 am - 10:26 amIAH-IAD
22h 36m2 stops
12:55 pm - 8:10 pmIAD-IAH
8h 15m2 stops
$276
Find Deal
Tue, Jul 2 - Thu, Jul 4
5:48 pm - 10:57 amHOU-IAD
16h 09m1 stop
11:16 am - 7:24 pmIAD-HOU
9h 08m1 stop
$345Sun Country Air
Find Deal
Mon, Jun 17 - Wed, Jun 19
6:30 pm - 11:44 amHOU-IAD
16h 14m1 stop
7:30 am - 12:08 pmIAD-HOU
29h 38m1 stop
$355Sun Country Air
Find Deal
Fri, Jun 28 - Sun, Jul 7

Flights from Houston to Dulles Intl - Travel Insights & Trends

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

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

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for one-way flights from Houston to Washington, D.C. Dulles Intl Airport.
Our data shows that the cheapest route for a one-way flight from Houston to Washington, D.C. Dulles Intl Airport cost $124 and was between Houston George Bush Intcntl Airport and Washington, D.C. Dulles Intl Airport. On average, the best prices are found if you fly this route. The average price for a return flight for this route is $262.

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

The average price of all flights from Houston to Washington, D.C. Dulles Intl Airport clicked on KAYAK for each day over the last 12 months.
If your flying dates are flexible, you should consider flying to Washington Dulles Airport on a Saturday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Houston to Washington Dulles Airport. For your return ticket, we recommend flying on a Wednesday and avoiding Fridays for the best deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Houston to Washington, D.C. Dulles Intl Airport, 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 Houston to Washington, D.C. Dulles Intl Airport is October, where tickets cost $277 on average. On the other hand, the most expensive months are March and November, where the average cost of tickets is $546 and $483 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Houston to Washington, D.C. Dulles Intl Airport, 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 Houston to Washington, D.C. Dulles Intl Airport, you should book around 4 days before departure. For the absolute cheapest price, our data suggests you should book 87 days before departure.

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

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the past 3 days, the cheapest one-way tickets to Washington Dulles Airport from Houston were found on United Airlines ($125) and American Airlines ($133), and the lowest round-trip tickets were found on American Airlines ($244) and United Airlines ($249).

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

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from Houston to Washington, D.C. Dulles Intl Airport.
There is just one airline that flies from Houston to Washington, D.C. Dulles Intl Airport direct and that is United Airlines. The best one-way deal found from United Airlines for the route is $248.

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

Each day, there are between 6 and 10 nonstop flights that take off from Houston and land in Washington, D.C. Dulles Intl Airport, with an average flight time of 3h 04m. The most common departure time is 12:00 pm and most flights take off in the evening. Each week, there are 56 flights. The most frequent day of departure is Thursday, when 18% of all weekly flights depart. The fewest flights depart on a Tuesday.

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

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 Houston to Washington Dulles Airport take?

There are no direct flights for this route. The shortest travel duration to get to Washington Dulles Airport from Houston is 2h 56m.

Good to know

Cheapest flight

$123
Flight from Houston George Bush Airport to Washington Dulles Airport

When to book flights from Houston to Dulles Intl

Are your dates flexible? Find out the best times to travel from Houston to Dulles Intl 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 Houston to Washington Dulles Airport flights

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

    In the last 3 days, the lowest price for a flight from Houston to Washington, D.C. Dulles Intl Airport was $123 for a one-way ticket and $244 for a round-trip.

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

    A passport is required to fly from Houston to Washington Dulles Airport.

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

    Houston has 2 major airports: Houston Hobby and Houston George Bush Intcntl. Washington, D.C. Dulles Intl is the only airport in Washington Dulles Airport. You’ll usually find the cheapest deals if you fly from Houston George Bush Airport.

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

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

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

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

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

    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 Houston to Washington Dulles Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Houston 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 Houston to Washington Dulles Airport?

    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 Washington Dulles Airport with an airline and back to Houston with another airline.

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

    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 Washington Dulles Airport from Houston 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 Houston to Washington Dulles Airport?

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

Nonstop departures

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

Nonstop returns

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
See more direct flights

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

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Houston to Washington, D.C. found on KAYAK in the last 72 hours.
7/4Thu
2 stops
21h 11mIAH-IAD
$123
6/20Thu
nonstopUnited Airlines
3h 04mIAH-IAD
$125
7/31Wed
1 stopAmerican Airlines
4h 56mIAH-IAD
$133
8/29Thu
1 stopDelta
6h 54mIAH-IAD
$134
6/22Sat
1 stopAmerican Airlines
4h 59mIAH-IAD
$136
6/25Tue
2 stops
23h 25mIAH-IAD
$137
7/31Wed
2 stopsAmerican Airlines
9h 48mIAH-IAD
$139
7/12Fri
1 stopSun Country Air
15h 10mHOU-IAD
$148
7/4Thu
1 stopSun Country Air
28h 57mHOU-IAD
$158
7/17Wed
1 stopDelta
4h 53mHOU-IAD
$159

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Last minute flights from Houston to Dulles Intl

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 Houston to Washington, D.C. that are departing in the next 10 days.
6/4Tue
multi-stopDelta
5h 04mIAH-IAD
7/5Fri
multi-stopDelta
5h 35mIAD-IAH
$433
6/3Mon
multi-stop
23h 50mIAH-IAD
6/4Tue
multi-stop
27h 24mIAD-IAH
$441
6/4Tue
multi-stopAmerican Airlines
5h 17mIAH-IAD
6/18Tue
multi-stopAmerican Airlines
4h 49mIAD-IAH
$447
6/4Tue
multi-stopAmerican Airlines
7h 44mIAH-IAD
6/18Tue
multi-stopAmerican Airlines
4h 49mIAD-IAH
$454
6/2Sun
multi-stopAmerican Airlines
5h 17mIAH-IAD
6/6Thu
multi-stopAmerican Airlines
4h 49mIAD-IAH
$457
6/2Sun
multi-stopSun Country Air
19h 16mHOU-IAD
6/6Thu
multi-stopSun Country Air
8h 12mIAD-HOU
$505
6/4Tue
multi-stopUnited Airlines
18h 16mIAH-IAD
6/18Tue
nonstopUnited Airlines
3h 09mIAD-IAH
$548
6/3Mon
nonstopUnited Airlines
3h 04mIAH-IAD
6/11Tue
multi-stopUnited Airlines
26h 44mIAD-IAH
$592
5/31Fri
multi-stopVolaris El Salvador
13h 52mIAH-IAD
6/1Sat
multi-stopVolaris El Salvador
18h 15mIAD-IAH
$912
5/31Fri
multi-stopVolaris El Salvador
13h 52mIAH-IAD
6/1Sat
multi-stopVolaris El Salvador
18h 15mIAD-IAH
$938

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Flights to Washington Dulles Airport

Destination:

Washington Dulles Airport (IAD)United States

Return flight deals:

Washington Dulles Airport - Houston

Cabin classes:

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