Cheap flights from Dulles Intl to Houston (IAD - IAH)

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How to find the cheapest flight from
Dulles Intl (IAD) to Houston (IAH)

All the information you need to plan the best IAD to IAH flight in 2022: compare Dulles Intl to Houston flight prices with the expected peak season, weather and rainfall in Houston.
IAD - IAH
Price
$202 - $349
IAH
Temperature
53.6 - 84.2 °F
IAH
Rainfall
3.2 - 5.9 inches

Popular in

December

High demand for flights, 15% potential price rise

Cheapest in

July

Best time to find cheap flights, 32% potential price drop

Round-trip from

$202

From Washington, D.C. Dulles Intl to Houston

One-way from

$169

One-way flight from Washington, D.C. Dulles Intl to Houston

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Houston?

Flights from Washington, D.C. Dulles Intl Airport to Houston lean towards being more expensive in December. Prices are generally better when you fly from Washington, D.C. Dulles Intl Airport to Houston in July, with the cheapest ticket starting at $106.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Houston (IAD - IAH)?

When flying from Washington, D.C. Dulles Intl Airport to Houston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

To save on the cost of your flight from Washington, D.C. Dulles Intl Airport to Houston, book at least 17 days before your planned departure. Booking around this time can save you about 16% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $211 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $263.

Cheap flights from Dulles Intl to Houston in May, June 2022

The best prices found for IAD to IAH flights for May, June
7 Jun - 9 Jun
$321pp
IAD
Washington, D.C. Dulles Intl
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
6 Jun - 9 Jun
$326pp
IAD
Washington, D.C. Dulles Intl
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
7 Jun - 13 Jun
$331pp
IAD
Washington, D.C. Dulles Intl
United Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl

Washington, D.C. Dulles Intl to Houston 2022 flight deals

Cheap flights to Houston from Dulles Intl found for this year
7 Jun - 9 Jun
$321pp
IAD
Washington, D.C. Dulles Intl
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
6 Jun - 9 Jun
$326pp
IAD
Washington, D.C. Dulles Intl
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
7 Jun - 13 Jun
$331pp
IAD
Washington, D.C. Dulles Intl
United Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl

Non-stop flights to Houston from Dulles Intl

Save time with Dulles Intl to Houston direct flight deals
7 Sep - 7 Sep
$340pp
IAD
Washington, D.C. Dulles Intl
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
7 Jul - 12 Jul
$346pp
IAD
Washington, D.C. Dulles Intl
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
29 Jun - 8 Jul
$354pp
IAD
Washington, D.C. Dulles Intl
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl

Last minute flights from Dulles Intl to Houston

Late deals on round-trip flights to Houston from Dulles Intl, departing today and this week
24 May - 24 May
$341pp
IAD
Washington, D.C. Dulles Intl
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
24 May - 16 Jun
$356pp
IAD
Washington, D.C. Dulles Intl
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
23 May - 11 Jun
$360pp
IAD
Washington, D.C. Dulles Intl
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl

One-way flights to Houston from Washington, D.C. Dulles Intl

The cheapest one-way flights from Dulles Intl to Houston
1:52 pm - 4:11 am
Allegiant Air
2 Stops
15h 19m
IAD - HOU
Allegiant Air
$169
Gotogate
4:25 am - 4:58 am
Multiple Airlines
3 Stops
49h 33m
IAD - IAH
Multiple Airlines
$208
Kiwi.com
1:20 am - 5:15 am
American Airlines
1 Stop
4h 55m
IAD - IAH
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Dulles Intl</span> to <span class="emphasized">Houston</span> flights.

Flight FAQs

From Dulles Intl to Houston

Which airlines flying from Washington, D.C. Dulles Intl to Houston have flexible cancellations due to COVID-19?

Some of our airline partners flying from Washington, D.C. Dulles Intl to Houston have new flexible policies in place due to COVID-19. United Airlines, Spirit Airlines, and Frontier are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like United Airlines with this kind of flexibility.

Can I find flights from Washington, D.C. Dulles Intl Airport to Houston for under $400 on Cheapflights?

Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Houston for under $400. The cheapest flight booked recently is on United Airlines for just $321, but on average you can expect to pay $349.

Are there nonstop flights from Washington, D.C. Dulles Intl Airport to Houston for under $400 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to Houston under $400. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to Houston is less than $389.

Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Houston for under $400?

There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to Houston within the next 7 days for less than $400.

What days are nonstop flights available from Washington, D.C. Dulles Intl Airport to Houston?

Days when nonstop flights are available for this flight are: Friday, Saturday.

How many flights depart from Washington, D.C. Dulles Intl Airport to Houston on average per day?

Travelers can expect 4 flights from Washington, D.C. Dulles Intl Airport to Houston on average per day.
Morning (6am - Noon) - 75% of flight departures
Afternoon (Noon - 6pm) - 25% of flight departures

How long is the flight from Washington, D.C. Dulles Intl Airport to Houston?

For as low as $321, United Airlines can have you in Houston from Washington, D.C. Dulles Intl Airport in 4h 55m. Washington, D.C. Dulles Intl Airport and Houston are separated by a distance of 1195 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Houston round-trip?

Currently priced at $321, United Airlines will fly you from Washington, D.C. Dulles Intl Airport to Houston and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $361 and $364, respectively.

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Houston one-way?

The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Houston are United Airlines ($154), Allegiant Air ($169), and American Airlines ($181).

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Houston?

Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Houston? While on average our users pay $420, our data indicates the cheapest price to be $173. The most popular route (Washington, D.C. Dulles Intl - Houston Hobby), is priced around $346.

What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Houston?

Before booking your flight to Houston from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: Avianca (81%), Air New Zealand (79%), United Airlines( 79%).

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Houston?

Before booking your flight from Washington, D.C. Dulles Intl Airport to Houston check out the most popular airlines for this route: Major Airline, American Airlines or Delta.

COVID Restrictions

View COVID Travel Restrictions for Houston, TX

Do I need a COVID test to fly to Houston from Dulles Intl?

Information is based on travel restrictions for travel to Houston within the United States

Most visitors from Washington, D.C. Dulles Intl need to provide a negative COVID-19 test result and/or quarantine to enter Houston.

COVID-19 testing requirements
Visitors from Washington, D.C. Dulles Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Houston.

Quarantine requirements
Visitors from Washington, D.C. Dulles Intl are not required to quarantine after entering Houston.

Do I need a test to fly back to Dulles Intl from Houston?

Returning to Washington, D.C. Dulles Intl from Houston

COVID-19 testing requirements
Visitors from Houston must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Washington, D.C. Dulles Intl.

Quarantine requirements
Visitors from Houston are not required to quarantine after entering Washington, D.C. Dulles Intl.

Hide COVID Travel Restrictions for Houston, TX

Destination information for Houston

Things to know before you go - useful duration and weather info for your trip from Dulles Intl to Houston.
Flight duration from Washington, D.C. Dulles Intl to Houston
3h 09m
Average temperature for May in Houston
77.0 °F

Airports servicing Washington, D.C.

Airports servicing Houston

Top 5 airlines flying from Washington, D.C. Dulles Intl to Houston

The chart below displays the airlines Cheapflights users traveling from Dulles Intl to Houston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$95 $223 No cancel fee 62%
Spirit Airlines
$95 $203 No cancel fee 65%
American Airlines
$127 $392 No cancel fee 71%
Delta
$132 $362 No cancel fee N/A
United Airlines
$227 $377 No cancel fee 69%

Hourly flight availability from Dulles Intl to Houston

See what time of day planes typically take off from Dulles Intl towards Houston.
Afternoon Noon to 6 PM 40% of IAD to IAH departures
Morning 6 AM to noon 33% of IAD to IAH departures
Early morning Midnight to 6 AM 16% of IAD to IAH departures
Evening 6 PM to midnight 11% of IAD to IAH departures
Midnight
6 AM
Noon
6 PM
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