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 2021: compare Dulles Intl to Houston flight prices with the expected peak season, weather and rainfall in Houston.
IAD - HO1
Price
$202 - $349
HO1
Temperature
53.6 - 84.2 °F
HO1
Precipitation
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 Dulles Intl to Houston

One-way from

$124

One-way flight from Washington Dulles Intl to Houston

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Washington Dulles Intl Airport to Houston?

Users have found that booking a flight from Washington Dulles Intl Airport to Houston at least 17 days early can save you up to 16% on average compared to booking a flight this week. If booking 17 days before your flight isn’t an option for you, users have found flights from Washington Dulles Intl Airport to Houston for as little as $211 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $263 for flights departing within the next 3 days.

What is the cheapest month to fly from Washington Dulles Intl Airport to Houston?

Our data shows that July tends to be the cheapest month to fly to Houston from Washington Dulles Intl Airport. Users have commonly found prices around $235 for the month, but tickets can be as low as $106. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Washington Dulles Intl Airport to Houston (IAD - HO1)?

When flying from Washington 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.

Cheap flights from Dulles Intl to Houston in October, November 2021

The best prices found for IAD to IAH flights for October, November
6 Nov - 6 Nov
$206pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
13 Nov - 13 Nov
$212pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
11 Nov - 15 Nov
$217pp
IAD
Washington Dulles Intl
Delta
 
1 STOP
HOU
Houston Hobby
HOU
Houston Hobby
Delta
 
1 STOP
IAD
Washington Dulles Intl

Washington Dulles Intl to Houston 2021 flight deals

Cheap flights to Houston from Dulles Intl found for this year
6 Nov - 6 Nov
$206pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
13 Nov - 13 Nov
$212pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
9 Dec - 12 Dec
$213pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
IAD
Washington Dulles Intl

Non-stop flights to Houston from Dulles Intl

Save time with Dulles Intl to Houston direct flight deals
3 Nov - 8 Nov
$241pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
5 Nov - 8 Nov
$251pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
11 Nov - 14 Nov
$252pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington 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
28 Oct - 29 Oct
$246pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
29 Oct - 1 Nov
$254pp
IAD
Washington Dulles Intl
Multiple Airlines
     
3 STOPS
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
     
3 STOPS
IAD
Washington Dulles Intl
26 Oct - 16 Nov
$273pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington Dulles Intl

One-way flights to Houston from Washington Dulles Intl

The cheapest one-way flights from Dulles Intl to Houston
3:04 pm - 6:59 pm
Major Airline
1 Stop
4h 55m
IAD - IAH
Major Airline
$124
StudentUniverse
12:45 pm - 5:02 pm
Delta
1 Stop
5h 17m
IAD - HOU
Delta
$130
Delta
3:30 am - 5:56 am
United Airlines
Nonstop
3h 26m
IAD - IAH
United Airlines
$131
United

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 Dulles Intl to Houston have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Washington Dulles Intl to Houston that may be offering flexible cancellation policies are United Airlines, American Airlines, and Delta. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Washington Dulles Intl Airport to Houston for under $300 on Cheapflights?

Yes, there are multiple flights from Washington Dulles Intl Airport to Houston for under $300. The cheapest flight booked recently is on United Airlines for just $206, but on average you can expect to pay $229.

Are there nonstop flights from Washington Dulles Intl Airport to Houston for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington Dulles Intl Airport to Houston under $300. A good price for a nonstop flight from Washington Dulles Intl Airport to Houston is less than $291.

Are there last-minute flights available from Washington Dulles Intl Airport to Houston for under $300?

There are currently 20+ open flights from Washington Dulles Intl Airport to Houston within the next 7 days for less than $300.

What days are nonstop flights available from Washington Dulles Intl Airport to Houston?

Nonstop flights are available for this route on the following days: Sunday, Wednesday.

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

5 flight departures from Washington Dulles Intl Airport to Houston per day on average.
Morning (6am - Noon) - 100% of flight departures

How long is the flight from Washington Dulles Intl Airport to Houston?

There are many flights that can get you from Washington Dulles Intl Airport to Houston in 4h 42m. Fly via United Airlines, Delta, or Spirit Airlines to get the fastest option. The distance between Washington Dulles Intl Airport and Houston is about 1195 mi. This flight may include one or multiple stops.

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

United Airlines, at $206, was found to be the cheapest airline from Washington Dulles Intl Airport to Houston.Alternate airlines to your destination round-trip include Delta and Spirit Airlines. You may be able to fly from Washington Dulles Intl Airport to Houston for 30% less than the average price by searching for these airlines.

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

The cheapest airlines for a one-way flight from Washington Dulles Intl Airport to Houston are Delta ($109), United Airlines ($117), and Major Airline ($124).

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

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

What are the most reliable airlines from Washington Dulles Intl Airport to Houston?

Before booking your flight to Houston from Washington Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: Avianca (91%), Air New Zealand (87%), Brussels Airlines( 87%).

What are the cheapest flights from Washington Dulles Intl Airport to Houston?

Looking for the cheapest flight from Washington Dulles Intl Airport to Houston? While on average our users pay $652, our data indicates the cheapest price to be $95. The most popular route (Washington Dulles Intl - Houston Hobby), is priced around $221.

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 Dulles Intl need to provide a negative COVID-19 test result and/or quarantine to enter Houston.

COVID-19 testing requirements
Visitors from Washington Dulles Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Houston.

Quarantine requirements
Visitors from Washington 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 Dulles Intl from Houston

COVID-19 testing requirements
Visitors from Houston must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Washington Dulles Intl.

Quarantine requirements
Visitors from Houston are not required to quarantine after entering Washington 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.
Average temperature for October in Houston
77.0 °F

Airports servicing Washington

Airports servicing Houston

Top 5 airlines flying from Washington 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
Spirit Airlines
$80 $209 No cancel fee 65%
Frontier
$95 $227 No cancel fee 62%
American Airlines
$111 $316 No cancel fee 71%
Delta
$130 $312 No cancel fee N/A
United Airlines
$223 $409 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 39% of IAD to IAH departures
Early morning Midnight to 6 AM 22% of IAD to IAH departures
Morning 6 AM to noon 21% of IAD to IAH departures
Evening 6 PM to midnight 18% of IAD to IAH departures
Midnight
6 AM
Noon
6 PM
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