Cheap Flight Tickets from Washington (IAD) to Houston (IAH), Starting at $578

Good to Know: Cheapest and Fastest IAD - IAH Flights

Useful information for finding best airline tickets from Washington Dulles International to George Bush Intercontinental Houston on your next trip.

Cheapest Round Trip Flight

$578

F9 Frontier Airlines • 1 stop • 18h 33m

Oct 12 – Oct 17

The cheapest round trip flight from Washington to Houston (IAD-IAH-IAD) is currently $578

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Cheapest Direct Flight

$661

UA United Airlines • nonstop • 5h 12m

Oct 12

The cheapest nonstop flight from Washington to Houston (IAD-IAH) is currently $661

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Fastest Flight

5h 12m

The fastest nonstop flight from Washington to Houston (IAD-IAH) takes 5h 12m

Top Airlines Flying from Washington to Houston

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

Latest Flight Deals from Washington (IAD) to Houston (IAH)

Compare and book low fare round-trip air tickets from Washington to Houston. Ideal for travelers with confirmed return itineraries.

Oct 12 - Oct 17, Economy
F9
Washington → Houston
18h 33m
9:06 PM - 7:19 AM • 1 stop
F9
Washington → Houston
5h 21m
3:56 PM - 8:17 PM • nonstop
$578
Frontier Airlines
Oct 12 - Oct 17, Economy
AA
Washington → Houston
9h 6m
7:13 PM - 11:59 PM • 1 stop
AA
Washington → Houston
5h 11m
10:30 AM - 2:41 PM • nonstop
$661
American Airlines
Oct 12 - Oct 17, Economy
UA
Washington → Houston
5h 12m
6:15 AM - 8:27 AM • nonstop
UA
Washington → Houston
5h 11m
2:51 PM - 7:02 PM • nonstop
$661
United Airlines
Oct 12 - Oct 17, Economy
UA
Washington → Houston
5h 23m
5:54 PM - 8:17 PM • nonstop
UA
Washington → Houston
5h 5m
6:25 PM - 10:30 PM • nonstop
$661
United Airlines
Oct 12 - Oct 17, Economy
UA
Washington → Houston
5h 21m
12:52 PM - 3:13 PM • nonstop
UA
Washington → Houston
5h 5m
6:25 PM - 10:30 PM • nonstop
$661
United Airlines
Oct 12 - Oct 17, Economy
F9
Washington → Houston
18h 46m
11:12 AM - 9:38 PM • 1 stop
F9
Washington → Houston
5h 21m
3:56 PM - 8:17 PM • nonstop
$687
Frontier Airlines

Fly from Washington to Houston with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Washington to Houston? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Washington to Houston Flights

What are the airports in Washington?
IAD,BWI,DCA
What’s the most popular airline flying from IAD to IAH?
The most popular airline flying from Washington to Houston are
Can I fly from IAD to IAH non-stop?
Yes, you can fly IAD to IAH non-stop on
Which airlines fly nonstop between Washington and Houston?
The non-stop flights between Washington and Houston are .
What’s the earliest departure time from IAD to IAH Airport?
The earliest flight leaves IAD at 6:15 am and lands in IAH - George Bush Intercontinental Houston
What are the airports in Houston?
IAH
Can I make changes to my Washington to Houston flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from IAD to IAH?
Read the fare rules of the Washington to Houston air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Washington and Houston?
operate flights between Washington and Houston
How long does a flight from Washington to Houston take?
It takes approximately 3 hour to fly non-stop from IAD to IAH, which is 1190.06 miles by air.
Which airlines provide the cheapest flights from Washington (IAD) to Houston (IAH) ?
In the past couple of days, the cheapest tickets to IAH from IAD were found on AA : USD 661
Do I need a passport to fly between IAD and IAH?
No
What’s the latest departure time from IAD to IAH ?
The last flight leaves IAD at 10:18 pm

Washington (IAD) to Houston (IAH): Airport Information

Origin Airport Washington Dulles International , Washington, US
Destination Airport George Bush Intercontinental Houston , Houston, US
Distance 1190 miles

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