RM801 Cheap Flights from Houston (IAH) to Washington (IAD)

View RM801 flight on Mon, 29 Jun 2026Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Houston to Washington (IAH-IAD)

Prices were available within the past 7 days and start at RM801 for one-way flights and RM1,665 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 5 Aug - Sat, 8 Aug
IAH
Houston
IAD
Washington
RM1,665 Return, found 2 days ago
RM1,665
Return
found 2 days ago
Select Delta flight, departing Wed, 5 Aug from Houston to Washington, returning Sat, 8 Aug, priced at RM1,665 found 2 days ago
Delta
Wed, 5 Aug - Sat, 8 Aug
IAH
Houston
IAD
Washington
RM1,740 Return, found 2 days ago
RM1,740
Return
found 2 days ago
Select Delta flight, departing Wed, 5 Aug from Houston to Washington, returning Sat, 8 Aug, priced at RM1,740 found 2 days ago
Delta
Wed, 5 Aug - Sat, 8 Aug
IAH
Houston
IAD
Washington
RM1,803 Return, found 2 days ago
RM1,803
Return
found 2 days ago
Select Delta flight, departing Wed, 5 Aug from Houston to Washington, returning Sat, 8 Aug, priced at RM1,803 found 2 days ago
Delta
Wed, 5 Aug - Sat, 8 Aug
IAH
Houston
IAD
Washington
RM1,842 Return, found 2 days ago
RM1,842
Return
found 2 days ago
Select Delta flight, departing Wed, 5 Aug from Houston to Washington, returning Sat, 8 Aug, priced at RM1,842 found 2 days ago
Delta
Mon, 29 Jun - Mon, 6 Jul
IAH
Houston
IAD
Washington
RM1,857 Return, found 2 days ago
RM1,857
Return
found 2 days ago
Select Delta flight, departing Mon, 29 Jun from Houston to Washington, returning Mon, 6 Jul, priced at RM1,857 found 2 days ago
Delta
Wed, 5 Aug - Sat, 8 Aug
IAH
Houston
IAD
Washington
RM1,861 Return, found 2 days ago
RM1,861
Return
found 2 days ago
Select Delta flight, departing Wed, 5 Aug from Houston to Washington, returning Sat, 8 Aug, priced at RM1,861 found 2 days ago
Delta
Mon, 29 Jun - Mon, 6 Jul
IAH
Houston
IAD
Washington
RM1,877 Return, found 2 days ago
RM1,877
Return
found 2 days ago
Select Delta flight, departing Mon, 29 Jun from Houston to Washington, returning Mon, 6 Jul, priced at RM1,877 found 2 days ago
Delta
Thu, 6 Aug - Sun, 9 Aug
IAH
Houston
IAD
Washington
RM1,916 Return, found 2 days ago
RM1,916
Return
found 2 days ago
Select Delta flight, departing Thu, 6 Aug from Houston to Washington, returning Sun, 9 Aug, priced at RM1,916 found 2 days ago
Delta
Thu, 6 Aug - Sun, 9 Aug
IAH
Houston
IAD
Washington
RM1,917 Return, found 2 days ago
RM1,917
Return
found 2 days ago
Select Delta flight, departing Thu, 6 Aug from Houston to Washington, returning Sun, 9 Aug, priced at RM1,917 found 2 days ago
Delta
Thu, 6 Aug - Sun, 9 Aug
IAH
Houston
IAD
Washington
RM1,936 Return, found 2 days ago
RM1,936
Return
found 2 days ago
Select Delta flight, departing Thu, 6 Aug from Houston to Washington, returning Sun, 9 Aug, priced at RM1,936 found 2 days ago
United
Mon, 29 Jun - Mon, 6 Jul
IAH
Houston
IAD
Washington
RM1,995 Return, found 2 days ago
RM1,995
Return
found 2 days ago
Select United flight, departing Mon, 29 Jun from Houston to Washington, returning Mon, 6 Jul, priced at RM1,995 found 2 days ago
United
Mon, 29 Jun - Mon, 6 Jul
IAH
Houston
IAD
Washington
RM2,014 Return, found 2 days ago
RM2,014
Return
found 2 days ago
Select United flight, departing Mon, 29 Jun from Houston to Washington, returning Mon, 6 Jul, priced at RM2,014 found 2 days ago
Delta
Mon, 29 Jun - Mon, 6 Jul
IAH
Houston
IAD
Washington
RM2,034 Return, found 2 days ago
RM2,034
Return
found 2 days ago
Select Delta flight, departing Mon, 29 Jun from Houston to Washington, returning Mon, 6 Jul, priced at RM2,034 found 2 days ago

Frequently asked questions

How much is a flight from Houston Airport to IAD?
Start packing your bags, because round-trip flights between George Bush Intercontinental Airport (IAH) and IAD start from RM1,665. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAH to IAD?
Most flights can be cancelled online, but each air carrier has its own set of terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Houston Airport to IAD that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for George Bush Intercontinental Airport (IAH) to Washington Dulles Intl. Airport (IAD) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Houston Airport to Washington Dulles Intl. Airport (IAD)?
It's around 1,900 kilometres between Houston Airport and Washington Dulles Intl. Airport (IAD), so expect to be in your seat for a while. Keep yourself occupied by packing things like your e-reader or the latest bestseller.
Which airlines fly direct from Houston Airport to Washington Dulles Intl. Airport (IAD)?
Flying directly from Houston Airport to IAD is simple with United Airlines (UA). This popular carrier offers 121 flights each month.
Are George Bush Intercontinental Airport (IAH) to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to nab an awesome last-minute deal from Houston Airport to IAD, but it's also possible to miss out entirely! As many airlines release seats up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you spot a bargain. Expedia compares air carrier prices and updates flight deals regularly, so you can be sure you're always seeing the latest offers.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Washington Dulles Intl.
Return price
RM1,665
Distance
1903 km
Average flight time
5 hours 35 mins

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Perfect flights from Houston to Washington

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Houston to Washington

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