Find cheap flights from Houston to Washington Dulles Airport

HOU - IAD

Find cheap flights from Houston to Washington Dulles Airport

Round-trip
Economy
Houston (HOU)
Washington Dulles Intl
Sun 7/12
Sun 7/19
Any month
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Search hundreds of travel sites at once for deals on flights to Washington Dulles Airport

Good to know

Low season

September Best time to beat the crowds with an average 19% drop in price.

High season

July Most popular time to fly with an average 12% increase in price.

Average price of a round-trip

$321 (avg. price over the last 2 weeks)

Good deal for a round-trip

$257 or less

When to book flights from Houston to Washington Dulles Intl

Estimated round-trip price
Average price per month
Flight prices as travel date approaches
-1 day
-2 days

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $216 or less.
  • The cheapest flight from Houston to Washington Dulles Airport was found 88 days before departure, on average.
  • Book at least 3 weeks before departure in order to get a below-average price.
  • High season is considered to be June, July and August. The cheapest month to fly is September.
  • Morning departure is around 16% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking Houston to Washington Dulles Airport flights

Are flight prices cheaper from Houston to Washington Dulles Airport because of Coronavirus (COVID-19)?

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

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

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

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

How does KAYAK’s flight Price Forecast tool help me choose the right time to buy?

Top airline flying Houston Hobby to Washington Dulles Intl

Scores according to KAYAK customer reviews

8.0
Delta
Overall score based on 28,441 reviews
8.2
Boarding
7.8
Comfort
8.5
Crew
7.8
Entertainment
7.5
Food
Airline reviews
Read more about Delta

Book cheap flights from Houston to Washington Dulles Airport (round-trip)

Airports
Origin
Houston
$224
only
$224
Destination
Washington
$224
only
$224
Thu, Aug 6
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
6h 35m
Sat, Aug 8
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
7h 36m
Trip: 3 days
Based on null reviews
Thu, Aug 6
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
5h 10m
Sat, Aug 8
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
6h 35m
Trip: 3 days
Based on null reviews
Thu, Aug 27
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
4h 37m
Sun, Aug 30
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
7h 17m
Trip: 4 days
Based on null reviews
Wed, Jul 8
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
5h 00m
Tue, Jul 14
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
10h 04m
Trip: 7 days
Based on null reviews
Sat, Jul 18
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
5h 00m
Sat, Jul 25
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
5h 23m
Trip: 8 days
Based on null reviews
Sat, Jul 4
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
5h 00m
Thu, Aug 13
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
5h 25m
Trip: 41 days
Based on null reviews
Thu, Jul 30
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
4h 55m
Sun, Aug 2
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
4h 35m
Trip: 4 days
Based on null reviews
Sat, Jul 4
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
5h 00m
Thu, Jul 16
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
9h 55m
Trip: 13 days
Based on null reviews
Thu, Aug 13
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
13h 03m
Sun, Aug 16
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
7h 10m
Trip: 4 days
Based on null reviews
Wed, Jul 8
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
6h 03m
Tue, Jul 14
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
6h 20m
Trip: 7 days
Based on null reviews
Thu, Aug 27
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
5h 49m
Sun, Aug 30
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
4h 45m
Trip: 4 days
Based on null reviews
Sat, Jul 18
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
5h 00m
Sat, Jul 25
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
5h 50m
Trip: 8 days
Based on null reviews
Thu, Aug 13
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
7h 44m
Sun, Aug 16
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
5h 42m
Trip: 4 days
Based on null reviews
Thu, Aug 20
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
5h 45m
Sun, Aug 23
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
5h 48m
Trip: 4 days
Based on null reviews
Sat, Jul 25
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
5h 00m
Sun, Aug 2
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
5h 23m
Trip: 9 days
Based on null reviews
Sat, Jun 27
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
7h 40m
Sat, Aug 22
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
6h 30m
Trip: 57 days
Based on null reviews
Thu, Jul 23
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
5h 00m
Sun, Jul 26
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
8h 59m
Trip: 4 days
Based on null reviews
Sun, Jun 28
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
4h 45m
Sun, Jul 5
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
5h 41m
Trip: 8 days
Based on null reviews
Sat, Jul 11
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
5h 00m
Sun, Jul 12
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
6h 20m
Trip: 2 days
Based on null reviews
Sun, Jun 28
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
4h 59m
Fri, Jul 17
IAD
Washington Dulles Airport
HOU
Houston Hobby Airport
5h 04m
Trip: 20 days
Based on null reviews
Show more results

Book cheap flights from Houston to Washington Dulles Airport (one-way)

Airports
Origin
Houston
$113
only
$113
Destination
Washington
$113
only
$113
Mon, Sep 14
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
6h 15m
Based on null reviews
Wed, Jul 8
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
5h 00m
Based on null reviews
Sat, Jul 4
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
5h 00m
Based on null reviews
Sat, Jul 4
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
5h 00m
Based on null reviews
Fri, Jul 3
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
4h 55m
Based on null reviews
Fri, Jul 10
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
7h 34m
Based on null reviews
Tue, Jun 23
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
4h 45m
Based on null reviews
Wed, Jun 24
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
7h 40m
Based on null reviews
Thu, Jun 25
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
4h 45m
Based on null reviews
Sun, Jul 12
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
5h 00m
Based on null reviews
Tue, Jun 30
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
4h 45m
Based on null reviews
Thu, Jun 25
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
4h 45m
Based on null reviews
Sun, Jun 28
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
7h 40m
Based on null reviews
Wed, Jul 1
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
7h 40m
Based on null reviews
Fri, Jun 26
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
4h 45m
Based on null reviews
Sat, Jun 27
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
4h 45m
Based on null reviews
Sun, Jul 5
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
5h 00m
Based on null reviews
Fri, Jul 3
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
7h 35m
Based on null reviews
Sun, Jul 5
HOU
Houston Hobby Airport
IAD
Washington Dulles Airport
7h 35m
Based on null reviews
Show more results
*
Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an and someone from our team will get back to you promptly.

^
The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
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