₩285,800 Cheap Flights from Washington (DCA) to Houston (IAH)

View ₩285,800 flight on Sat, Dec 27, 2025Opens in a new window

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

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Cheap Flights from Washington to Houston (DCA-IAH)

Prices were available within the past 7 days and start at ₩285,800 for one-way flights and ₩892,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Aug 3 - Wed, Aug 6
DCA
Washington
IAH
Houston
₩892,900 Roundtrip, found 3 days ago
₩892,900
Roundtrip
found 3 days ago
Select United flight, departing Sun, Aug 3 from Washington to Houston, returning Wed, Aug 6, priced at ₩892,900 found 3 days ago
United
Sun, Aug 3 - Wed, Aug 6
DCA
Washington
IAH
Houston
₩906,300 Roundtrip, found 3 days ago
₩906,300
Roundtrip
found 3 days ago
Select United flight, departing Sun, Aug 3 from Washington to Houston, returning Wed, Aug 6, priced at ₩906,300 found 3 days ago
American Airlines
Sun, Aug 3 - Wed, Aug 6
DCA
Washington
IAH
Houston
₩919,700 Roundtrip, found 3 days ago
₩919,700
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Aug 3 from Washington to Houston, returning Wed, Aug 6, priced at ₩919,700 found 3 days ago
Delta
Sun, Aug 3 - Wed, Aug 6
DCA
Washington
IAH
Houston
₩919,700 Roundtrip, found 3 days ago
₩919,700
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Aug 3 from Washington to Houston, returning Wed, Aug 6, priced at ₩919,700 found 3 days ago
American Airlines
Sun, Aug 3 - Wed, Aug 6
DCA
Washington
IAH
Houston
₩958,100 Roundtrip, found 3 days ago
₩958,100
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Aug 3 from Washington to Houston, returning Wed, Aug 6, priced at ₩958,100 found 3 days ago
Delta
Sun, Aug 3 - Wed, Aug 6
DCA
Washington
IAH
Houston
₩1,029,500 Roundtrip, found 3 days ago
₩1,029,500
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Aug 3 from Washington to Houston, returning Wed, Aug 6, priced at ₩1,029,500 found 3 days ago
American Airlines
Sun, Aug 3 - Wed, Aug 6
DCA
Washington
IAH
Houston
₩1,043,100 Roundtrip, found 3 days ago
₩1,043,100
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Aug 3 from Washington to Houston, returning Wed, Aug 6, priced at ₩1,043,100 found 3 days ago
United
Sun, Aug 3 - Wed, Aug 6
DCA
Washington
IAH
Houston
₩1,057,500 Roundtrip, found 3 days ago
₩1,057,500
Roundtrip
found 3 days ago
Select United flight, departing Sun, Aug 3 from Washington to Houston, returning Wed, Aug 6, priced at ₩1,057,500 found 3 days ago
United
Sun, Aug 3 - Wed, Aug 6
DCA
Washington
IAH
Houston
₩1,070,900 Roundtrip, found 3 days ago
₩1,070,900
Roundtrip
found 3 days ago
Select United flight, departing Sun, Aug 3 from Washington to Houston, returning Wed, Aug 6, priced at ₩1,070,900 found 3 days ago
American Airlines
Sun, Aug 3 - Wed, Aug 6
DCA
Washington
IAH
Houston
₩1,081,500 Roundtrip, found 3 days ago
₩1,081,500
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Aug 3 from Washington to Houston, returning Wed, Aug 6, priced at ₩1,081,500 found 3 days ago

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

September is typically the cheapest month to fly

From ₩142,866 - ₩288,562 per traveler.

Graph displaying average flight prices per month

Flights from Washington (DCA) to Houston (IAH)
Origin airport
Ronald Reagan Washington National
Destination airport
George Bush Intercontinental
Roundtrip price
₩892,900
Distance
1929 km
Average flight time
2 hours 17 mins

Washington to Houston 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 Washington to Houston 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 Houston.

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 DCA to IAH flights that won’t make your bank account wince. Ready to temporarily leave behind Washington 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 IAH 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.

Frequently asked questions

How much is a flight from National Airport to George Bush Intercontinental Airport (IAH)?
Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from National Airport to Houston Airport start from ₩892,900. Make your booking ASAP to secure the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DCA to George Bush Intercontinental Airport (IAH)?
Every airline has its own set of terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from Ronald Reagan Washington National Airport (DCA) to Houston Airport 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 DCA to Houston Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from National Airport to George Bush Intercontinental Airport (IAH)?
It's around 1,950 kilometers between Arlington and Houston, so you'll be up in the air for a while. Keep yourself entertained by packing things like playing cards (if you're traveling with friends) or a thrilling novel.
Which airlines fly direct from DCA to George Bush Intercontinental Airport (IAH)?
If you want to fly straight from Ronald Reagan Washington National Airport (DCA) to Houston Airport, United Airlines (UA) is a top choice. It operates 208 monthly flights between Arlington and Houston.
Are Ronald Reagan Washington National Airport (DCA) to George Bush Intercontinental Airport (IAH) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes score a bargain, with some of the cheapest airfares from Ronald Reagan Washington National Airport (DCA) to George Bush Intercontinental Airport (IAH) surfacing a few weeks prior to the departure date. If you'd rather plan ahead, Expedia compares and updates the best flight deals frequently — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines quote prices so far in advance.

Explore a world of travel with Expedia

Houston nearby Airports

Houston

Washington to George Bush Intercontinental
₩892,900
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₩482,700

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