Vuelos de United de Washington (DCA) a Houston (IAH) desde $125

For any current George Bush Intercontinental Airport (IAH) travel advice and quarantine requirements, visit the Covid-19 Travel Advisor. Look before you arrange your flight, so you don’t get caught up.

At National Airport, United Airlines flights to George Bush Intercontinental Airport (IAH) generally head off from terminal 2. Curious to know exactly which terminal you’ll be disembarking at? It’s most likely to be terminal C.

Yes, there are. Book your seat on a direct flight with United Airlines from DCA to Houston Airport, and you won’t have to worry about a stopover or running to make your connecting flight.

Bring that novel you’ve been desperate to read. A flight from DCA to George Bush Intercontinental Airport (IAH) with United Airlines will take on average 4 hours and 35 minutes. It’ll be enough time to immerse yourself in the plot.

When you cruise the skies between DCA and IAH with United Airlines, you’ll typically be doing it aboard the Boeing 737-700. The airline also operates the Airbus A319 on this route.

If you’re thinking about a trip from DCA to IAH, you can choose from 8 United Airlines flights per day.

For more info about changing your flight to IAH, please visit our Customer Service Portal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.