Cheap Flight Tickets from Houston (IAH) to Washington (IAD), Starting at $241

Good to Know: Cheapest and Fastest IAH - IAD Flights

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

Cheapest Round Trip Flight

$426

DL Delta Airlines • 1 stop • 27h 21m

Jul 29 – Aug 05

The cheapest round trip flight from Houston to Washington (IAH-IAD-IAH) is currently $426

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Cheapest Direct Flight

$241

UA United Airlines • nonstop • 5h 11m

Jul 27

The cheapest nonstop flight from Houston to Washington (IAH-IAD) is currently $241

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Fastest Flight

5h 8m

The fastest nonstop flight from Houston to Washington (IAH-IAD) takes 5h 8m

Top Airlines Flying from Houston to Washington

Delta Airline, DL

Delta Airlines

Southwest Airlines-WN

Southwest Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Avianca Airline - AV

Avianca

Alaska Airlines -AS

Alaska Airlines

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

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

Jul 29 - Aug 05, Economy
DL
Houston → Washington
27h 21m
7:00 AM - 12:41 AM • 1 stop
DL
Houston → Washington
13h 34m
8:28 AM - 3:42 PM • 1 stop
$426
Delta Airlines
Jul 29 - Aug 05, Economy
DL
Houston → Washington
14h 6m
7:00 AM - 4:46 PM • 1 stop
DL
Houston → Washington
15h 51m
12:30 PM - 9:21 PM • 1 stop
$426
Delta Airlines
Jul 29 - Aug 05, Economy
DL
Houston → Washington
12h 21m
8:05 AM - 4:46 PM • 1 stop
DL
Houston → Washington
17h 22m
6:00 AM - 3:42 PM • 1 stop
$436
Delta Airlines
Jul 29 - Aug 05, Economy
DL
Houston → Washington
12h 1m
5:40 AM - 2:01 PM • 1 stop
DL
Houston → Washington
13h 34m
8:28 AM - 3:42 PM • 1 stop
$436
Delta Airlines
Jul 29 - Aug 05, Economy
DL
Houston → Washington
10h 5m
9:41 AM - 4:46 PM • 1 stop
DL
Houston → Washington
20h 5m
10:16 AM - 9:21 PM • 1 stop
$436
Delta Airlines
Jul 29 - Aug 05, Economy
DL
Houston → Washington
10h 1m
7:00 AM - 2:01 PM • 1 stop
DL
Houston → Washington
20h 26m
8:28 AM - 7:54 PM • 1 stop
$436
Delta Airlines

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

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

FAQs on Houston to Washington Flights

What are the airports in Houston?
IAH
What’s the most popular airline flying from IAH to IAD?
The most popular airline flying from Houston to Washington are
Can I fly from IAH to IAD non-stop?
Yes, you can fly IAH to IAD non-stop on
Which airlines fly nonstop between Houston and Washington?
The non-stop flights between Houston and Washington are .
What’s the earliest departure time from IAH to IAD Airport?
The earliest flight leaves IAH at 5:40 am and lands in IAD - Washington Dulles International
What are the airports in Washington?
IAD,BWI,DCA
Can I make changes to my Houston to Washington 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 IAH to IAD?
Read the fare rules of the Houston to Washington 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 Houston and Washington?
operate flights between Houston and Washington
How long does a flight from Houston to Washington take?
It takes approximately 3 hour to fly non-stop from IAH to IAD, which is 1190.06 miles by air.
Which airlines provide the cheapest flights from Houston (IAH) to Washington (IAD) ?
In the past couple of days, the cheapest tickets to IAD from IAH were found on DL : USD 426
Do I need a passport to fly between IAH and IAD?
No
What’s the latest departure time from IAH to IAD ?
The last flight leaves IAH at 12:1300 pm

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

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

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