A modern airport control tower with a spherical top and a curved, white-roofed building in the foreground.

Flights from Houston William Hobby Airport (HOU) to Washington Dulles Intl. Airport (IAD)
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Virginia
United States of America
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Popular airlines from Houston William Hobby Airport (HOU) to Washington Dulles Intl. Airport (IAD)

Delta
American Airlines

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Cheap Flights from Houston to Washington (HOU-IAD)

Prices were available within the past 7 days and start at NT$3,876 for one-way flights and NT$17,702 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Fri, Jul 31 - Tue, Aug 4

IAH

Houston

IAD

Washington

NT$17,702

Roundtrip

Found 5 days ago

Select Delta flight, departing Fri, Jul 31 from Houston to Washington, returning Tue, Aug 4, priced at NT$17,702 Found 5 days ago

Fri, Jul 31 - Tue, Aug 4

IAH

Houston

IAD

Washington

NT$17,798

Roundtrip

Found 5 days ago

Select Delta flight, departing Fri, Jul 31 from Houston to Washington, returning Tue, Aug 4, priced at NT$17,798 Found 5 days ago

Fri, Jul 31 - Tue, Aug 4

IAH

Houston

IAD

Washington

NT$18,634

Roundtrip

Found 5 days ago

Select Delta flight, departing Fri, Jul 31 from Houston to Washington, returning Tue, Aug 4, priced at NT$18,634 Found 5 days ago

Fri, Jul 31 - Tue, Aug 4

IAH

Houston

IAD

Washington

NT$18,731

Roundtrip

Found 5 days ago

Select Delta flight, departing Fri, Jul 31 from Houston to Washington, returning Tue, Aug 4, priced at NT$18,731 Found 5 days ago

Fri, Jul 31 - Tue, Aug 4

IAH

Houston

IAD

Washington

NT$18,833

Roundtrip

Found 5 days ago

Select United flight, departing Fri, Jul 31 from Houston to Washington, returning Tue, Aug 4, priced at NT$18,833 Found 5 days ago

Fri, Jul 31 - Tue, Aug 4

IAH

Houston

IAD

Washington

NT$19,149

Roundtrip

Found 5 days ago

Select American Airlines flight, departing Fri, Jul 31 from Houston to Washington, returning Tue, Aug 4, priced at NT$19,149 Found 5 days ago

Fri, Jul 31 - Tue, Aug 4

IAH

Houston

IAD

Washington

NT$19,669

Roundtrip

Found 5 days ago

Select Delta flight, departing Fri, Jul 31 from Houston to Washington, returning Tue, Aug 4, priced at NT$19,669 Found 5 days ago

Fri, Jul 31 - Tue, Aug 4

IAH

Houston

IAD

Washington

NT$19,766

Roundtrip

Found 5 days ago

Select Delta flight, departing Fri, Jul 31 from Houston to Washington, returning Tue, Aug 4, priced at NT$19,766 Found 5 days ago

Fri, Jul 31 - Tue, Aug 4

IAH

Houston

IAD

Washington

NT$20,595

Roundtrip

Found 5 days ago

Select American Airlines flight, departing Fri, Jul 31 from Houston to Washington, returning Tue, Aug 4, priced at NT$20,595 Found 5 days ago

Find the cheapest month to fly from Houston (HOU) to Washington (IAD)

February is typically the cheapest month to fly

From NT$4,439 - NT$18,987 per traveler.

Travel information

Origin airport	Houston William Hobby Airport
Destination airport	Washington Dulles Intl. Airport
Distance	1,931 km away
Airlines serving	Delta, American Airlines
Popular airline	Delta
Roundtrip price	NT$17,702
Average flight time	2 hours 48 mins

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NT$3,876 Cheap Flights from Houston (HOU) to Washington (IAD)

Popular airlines from Houston William Hobby Airport (HOU) to Washington Dulles Intl. Airport (IAD)

Be in the know

Book smarter

Earn twice

Cheap Flights from Houston to Washington (HOU-IAD)

Find the cheapest month to fly from Houston (HOU) to Washington (IAD)

February is typically the cheapest month to flyFebruary is typically the cheapest month to fly

Travel information

Explore a world of travel with Expedia

February is typically the cheapest month to fly