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

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

All the information you need to plan the best IAD to IAH flight in 2021: compare Washington Dulles Intl to Houston flight prices with the expected peak season, weather and rainfall in Houston.
IAD - IAH
Price
$236 - $377
IAH
Temperature
59 - 86 °F

Popular in

May

High demand for flights, 16% potential price rise

Cheapest in

August

Best time to find cheap flights, 25% potential price drop

Round-trip from

$236

From Washington Dulles Intl to Houston

One-way from

$136

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 to Houston?

Travelers have found it’s best to book a flight 44 days in advance to save up to 26% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 44 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington Dulles Intl to Houston 1-2 weeks in advance for as low as $118, or $157 for flights within the next 24 hours.

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

February is one of the best times of the year to fly to Houston from Washington Dulles Intl. Prices for February average $134 per person but you can even find prices for as low as $68. The most expensive prices can be found in the month of December. Opting for a February flight can save you 46% on your journey compared to booking in February

Cheap flights from Washington Dulles Intl to Houston in May, June 2021

The best prices found for IAD to IAH flights for May, June
25 May - 2 Jun
$201pp
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
25 May - 26 May
$217pp
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
1 Jun - 8 Jun
$254pp
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

Washington Dulles Intl to Houston 2021 flight deals

Cheap flights to Houston from Washington Dulles Intl found for this year
25 May - 2 Jun
$201pp
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
25 May - 26 May
$217pp
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
19 Aug - 26 Aug
$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

Non-stop flights to Houston from Washington Dulles Intl

Save time with Washington Dulles Intl to Houston direct flight deals
19 Aug - 26 Aug
$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
26 Aug - 29 Aug
$261pp
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
31 May - 4 Jun
$277pp
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 Washington Dulles Intl to Houston

Late deals on round-trip flights to Houston from Washington Dulles Intl, departing today and this week
18 May - 15 Jun
$278pp
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
17 May - 20 May
$279pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
18 May - 15 Jun
$287pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl

One-way flights to Houston from Washington Dulles Intl

The cheapest one-way flights from Washington Dulles Intl to Houston
3:00 am - 7:14 am
Major Airline
1 Stop
5h 14m
IAD - IAH
Major Airline
$136
StudentUniverse
3:47 pm - 5:41 pm
Spirit Airlines
2 Stops
26h 54m
IAD - IAH
Spirit Airlines
$152
Kissandfly.com
5:06 am - 5:18 am
Multiple Airlines
1 Stop
25h 12m
IAD - IAH
Multiple Airlines
$165
Kiwi.com

Related info for your journey

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

Flight FAQs

From Washington Dulles Intl to Houston

Are flight prices decreasing from Washington Dulles Intl to Houston due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Washington Dulles Intl and Houston for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Washington Dulles Intl to Houston George Bush Intcntl have flexible cancellations due to COVID-19?

Some of our airline partners flying from Washington Dulles Intl to Houston George Bush Intcntl have new flexible policies in place due to COVID-19. United Airlines, American Airlines, and Delta 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.

What airport do you fly into for flights to Houston from Washington Dulles Intl?

If you book a flight to Houston from Washington Dulles Intl, you will be flying to George Bush Intcntl, which is the city’s only airport. Houston George Bush Intcntl (IAH) is located 15.9 mi from the center of Houston. There are 7 flights from Washington Dulles Intl to George Bush Intcntl per day from 6 different airlines.

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

Yes, there are multiple flights from Washington Dulles Intl to Houston for under $300. The cheapest flight booked recently is on Multiple Airlines for just $201, but on average you can expect to pay $256.

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

Cheapflights has at least 20 direct flights from Washington Dulles Intl to Houston under $300. A good price for a nonstop flight from Washington Dulles Intl to Houston is less than $330.

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

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

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

Days when nonstop flights are available for this flight are: Sunday, Wednesday, Thursday, Saturday.

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

10 flight departures from Washington Dulles Intl to Houston George Bush Intcntl per day on average.
Early Morning (Midnight to 6am) - 20% of flight departures
Morning (6am - Noon) - 20% of flight departures
Afternoon (Noon - 6pm) - 60% of flight departures

Does it rain more in Washington Dulles Intl or Houston?

When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in Washington Dulles Intl is typically similar to Houston. We can gather that this will continue over the next 17 days.

Is Washington Dulles Intl weather warmer or cooler than Houston?

You can imagine temperatures to be in the 88 °F range in July. The weather in Houston is generally colder than Washington Dulles Intl's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

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

Departing from Washington Dulles Intl to Houston will take you 3h. Washington Dulles Intl and Houston are separated by a distance of 1195 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

Cheapflights users have booked flights from Washington Dulles Intl to Houston round-trip from $241. Other airlines that can offer you cheap pricing are American Airlines, from $256, and Major Airline, from $264. United Airlines is priced at 23% lower than the current average price of a flight leaving 3 months from now.

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

For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $128. Users have also found prices from $136 and $139 on American Airlines and Major Airline, respectively.

Destination information for Houston

Things to know before you go - useful duration and weather info for your trip from Washington Dulles Intl to Houston.
Flight duration
3h 13m
Average temperature for May 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 Washington 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 $205 No cancel fee 65%
Frontier
$115 $231 No cancel fee 62%
Delta
$167 $293 No cancel fee N/A
American Airlines
$146 $326 No cancel fee 71%
United Airlines
$254 $399 No cancel fee 69%

Hourly flight availability from Washington Dulles Intl to Houston

See what time of day planes typically take off from Washington Dulles Intl towards Houston.
Afternoon Noon to 6 PM 72% of IAD to IAH departures
Early morning Midnight to 6 AM 21% of IAD to IAH departures
Morning 6 AM to noon 7% of IAD to IAH departures
Evening 6 PM to midnight 0% of IAD to IAH departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Washington Dulles Intl to Houston
See how many times per day planes take to the skies headed from Washington Dulles Intl to Houston.
Sunday
4 daily flights
Monday
10 daily flights
Tuesday
11 daily flights
Wednesday
6 daily flights
Thursday
5 daily flights
Friday
7 daily flights
Saturday
11 daily flights
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