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

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The best prices from Washington Dulles Intl to Houston are usually found in October or September, booked 60 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

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

IAD - IAH
Price
$279 - $367
IAH
Temperature
59 - 86 °F
Popular in August High demand for flights, 9% potential price rise
Cheapest in October Best time to find cheap flights, 17% potential price drop
Round-trip from €279 From Washington Dulles Intl to Houston
One-way from €99 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.
What is the cheapest day to fly round-trip from Washington Dulles Intl to Houston?

Saturday flights are found to be more expensive to fly from Washington Dulles Intl to Houston. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Houston.

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 27 days in advance to save up to 43% 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 27 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 $167, or $207 for flights within the next 24 hours.

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

October is one of the best times of the year to fly to Houston from Washington Dulles Intl. Prices for October average $162 per person but you can even find prices for as low as $74. The most expensive prices can be found in the month of January. Opting for a October flight can save you 21% on your journey compared to booking in October

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

It’s typically best to fly out from Washington Dulles Intl to Houston at noon. Doing so could potentially save you 12% on the flight price compared to flying in the evening, which is usually more expensive.

Cheap flights from Washington Dulles Intl to Houston in September, October 2020

The best prices found for IAD to IAH flights for September, October
24 Oct - 26 Oct
$140pp
IAD
Washington Dulles Intl
Multiple Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
American Airlines
 
1 STOP
IAD
Washington Dulles Intl
13 Oct - 19 Oct
$141pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
15 Oct - 21 Oct
$142pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington Dulles Intl

Washington Dulles Intl to Houston 2020 flight deals

Cheap flights to Houston from Washington Dulles Intl found for this year
24 Oct - 26 Oct
$140pp
IAD
Washington Dulles Intl
Multiple Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
American Airlines
 
1 STOP
IAD
Washington Dulles Intl
13 Oct - 19 Oct
$141pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
15 Oct - 21 Oct
$142pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 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
30 Sep - 19 Oct
$224pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
American Airlines
 
1 STOP
IAD
Washington Dulles Intl
29 Sep - 10 Oct
$233pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
American Airlines
 
1 STOP
IAD
Washington Dulles Intl
29 Sep - 28 Oct
$271pp
IAD
Washington Dulles Intl
Multiple 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 Washington Dulles Intl to Houston
7:05 am - 12:54 pm
Delta
1 Stop
6h 49m
IAD - IAH
Delta
$99
Delta
9:10 am - 4:56 pm
Delta
1 Stop
8h 46m
IAD - IAH
Delta
$129
Delta
2:30 am - 8:54 am
Delta
1 Stop
7h 24m
IAD - IAH
Delta
$156
Delta

Related info for your journey

Useful info, stats and facts about Washington Dulles Intl to Houston 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.

Can I find flights from Washington Dulles Intl to Houston for under $200 on Cheapflights?

Yes, there are multiple flights from Washington Dulles Intl to Houston for under $200. The cheapest flight booked recently is on Multiple Airlines for just $140, but on average you can expect to pay $201.

Are there nonstop flights from Washington Dulles Intl to Houston for under $100 on Cheapflights?

There are no nonstop flights from Washington Dulles Intl to Houston, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

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.

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 greater than that of Houston. We can gather that this will continue over the next 14 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 5h 05m.

What is the cheapest airline to fly from Washington Dulles Intl to Houston round-trip?

Cheapflights users have booked flights from Washington Dulles Intl to Houston round-trip from $198. Delta is priced at 41% 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 Delta. According to our data, you can fly for as low as $99.

Destination information for Houston

Things to know before you go. Useful info for your trip from Washington Dulles Intl to Houston
Average temperature for September in Houston
82.4 °F

Airports servicing Washington

Airports servicing Houston

Hourly flight availability from Washington Dulles Intl to Houston

Afternoon Noon to 6 PM 59% of IAD to IAH departures
Morning 6 AM to noon 24% of IAD to IAH departures
Early morning Midnight to 6 AM 17% 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
Sunday
14 daily flights
Monday
14 daily flights
Tuesday
13 daily flights
Wednesday
14 daily flights
Thursday
13 daily flights
Friday
14 daily flights
Saturday
13 daily flights
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