Cheap Flight Tickets from Houston (IAH) to Washington (IAD), Starting at $350

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

$376

F9 Frontier Airlines • 1 stop • 16h 50m

Sep 28 – Oct 05

The cheapest round trip flight from Houston to Washington (IAH-IAD-IAH) is currently $376

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Cheapest Direct Flight

$350

UA United Airlines • nonstop • 5h 5m

Sep 28

The cheapest nonstop flight from Houston to Washington (IAH-IAD) is currently $350

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Fastest Flight

5h

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

Top Airlines Flying from Houston to Washington

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American 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.

Sep 28 - Oct 05, Economy
F9
Houston → Washington
16h 50m
8:25 AM - 8:09 PM • 1 stop
F9
Houston → Washington
18h 33m
9:04 PM - 7:17 AM • 1 stop
$376
Frontier Airlines
Sep 28 - Oct 05, Economy
UA
Houston → Washington
21h 48m
5:15 PM - 7:23 AM • 1 stop
UA
Houston → Washington
13h 57m
12:45 PM - 8:22 PM • 1 stop
$394
United Airlines
Sep 28 - Oct 05, Economy
UA
Houston → Washington
10h 44m
6:15 AM - 1:59 PM • 1 stop
UA
Houston → Washington
13h 57m
12:45 PM - 8:22 PM • 1 stop
$444
United Airlines
Sep 28 - Oct 05, Economy
UA
Houston → Washington
25h 37m
8:21 AM - 12:58 AM • 1 stop
UA
Houston → Washington
13h 57m
12:45 PM - 8:22 PM • 1 stop
$447
United Airlines
Sep 28 - Oct 05, Economy
UA
Houston → Washington
11h 44m
7:55 AM - 3:59 PM • 1 stop
UA
Houston → Washington
13h 57m
12:45 PM - 8:22 PM • 1 stop
$452
United Airlines
Sep 28 - Oct 05, Economy
F9
Houston → Washington
16h 50m
3:45 PM - 10:17 AM • 2 stops
F9
Houston → Washington
18h 33m
11:12 AM - 7:17 AM • 2 stops
$569
Frontier 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 6:15 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 UA : USD 444
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 12:1500 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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