Cheap Flight Tickets from Washington (IAD) to Houston (IAH), Starting at $337

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

$484

DL Delta Airlines • 1 stop • 8h 38m

Sep 09 – Sep 15

The cheapest round trip flight from Washington to Houston (IAD-IAH-IAD) is currently $484

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Cheapest Direct Flight

$663

UA United Airlines • nonstop • 5h 16m

Aug 28

The cheapest nonstop flight from Washington to Houston (IAD-IAH) is currently $663

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Fastest Flight

5h 14m

The fastest nonstop flight from Washington to Houston (IAD-IAH) takes 5h 14m

Top Airlines Flying from Washington to Houston

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska 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.

Sep 09 - Sep 15, Economy
DL
Washington → Houston
8h 38m
3:15 PM - 7:33 PM • 1 stop
DL
Washington → Houston
8h 35m
5:30 AM - 11:45 AM • 1 stop
$484
Delta Airlines
Sep 09 - Sep 15, Economy
DL
Washington → Houston
8h 40m
6:10 AM - 10:30 AM • 1 stop
DL
Washington → Houston
8h 30m
3:20 PM - 9:30 PM • 1 stop
$484
Delta Airlines
Sep 09 - Sep 15, Economy
DL
Washington → Houston
10h 5m
6:00 AM - 11:05 AM • 1 stop
DL
Washington → Houston
8h 35m
5:30 AM - 11:45 AM • 1 stop
$484
Delta Airlines
Sep 09 - Sep 15, Economy
DL
Washington → Houston
9h 10m
5:15 PM - 10:05 PM • 1 stop
DL
Washington → Houston
8h 35m
5:30 AM - 11:45 AM • 1 stop
$484
Delta Airlines
Sep 09 - Sep 15, Economy
DL
Washington → Houston
8h 46m
6:07 PM - 10:33 PM • 1 stop
DL
Washington → Houston
8h 35m
5:30 AM - 11:45 AM • 1 stop
$484
Delta Airlines
Aug 29 - Sep 05, Economy
DL
Washington → Houston
7h 27m
2:54 PM - 6:41 PM • 1 stop
DL
Washington → Houston
8h 41m
10:21 AM - 4:42 PM • 1 stop
$602
Delta 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 6:00 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 DL : USD 484
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 10:29 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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