₩305,300 Cheap Flights from Houston (IAH) to Washington (DCA)

View ₩305,300 flight on Fri, Jan 9, 2026Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Ronald Reagan Washington National Airport (DCA)

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Cheap Flights from Houston to Washington (IAH-DCA)

Prices were available within the past 7 days and start at ₩305,300 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Houston (IAH) to Washington (DCA)

February is typically the cheapest month to fly

From ₩152,577 - ₩448,210 per traveler.

Frequently asked questions

How much is a flight from Houston Airport to National Airport?
The lowest price advertised for a round-trip flight between IAH and DCA is . But you better move fast. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from George Bush Intercontinental Airport (IAH) to Ronald Reagan Washington National Airport (DCA)?
The majority of flights can be canceled online, but each airline has its own terms and conditions. If you do need to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Houston Airport to DCA 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 National Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from IAH to Ronald Reagan Washington National Airport (DCA)?
The flight distance from Houston Airport to Ronald Reagan Washington National Airport (DCA) is 1,950 kilometers. Pack yourself a drink, some snacks and an interesting book to read. Keep yourself entertained and the time will fly by.
Which airlines fly direct from IAH to DCA?
Flying straight from IAH to Ronald Reagan Washington National Airport (DCA) is simple with United Airlines (UA). This popular airline operates 208 flights every month.
Are Houston Airport to Ronald Reagan Washington National Airport (DCA) flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up great last-minute deals from Houston Airport to DCA, but there's no guarantee. As many airlines advertise prices up to 12 months in advance, it's worth 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 all the time, so you can feel confident knowing you're always seeing the latest offers.

Travel information

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Ronald Reagan Washington National
Distance
1929 km
Average flight time
4 hours 6 mins

Book with confidence

Book with confidence

Houston to Washington Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Houston to Washington will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Washington.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with IAH to DCA flights that won’t make your bank account wince. Ready to temporarily leave behind Houston for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to DCA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Houston to Washington Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

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