Vuelos de United de Seattle (SEA) a Houston (IAH) desde $199

It’s always wise to find out about any travel advice reports and quarantine requirements in place in your destination city. Be sure to check out the Covid-19 Travel Advisor for up-to-date information on flying to Houston Airport.

While it’s hard to say exactly which terminal your United Airlines flight from SEA to George Bush Intercontinental Airport (IAH) will leave from, we can tell you that there’s a good chance you’ll be disembarking at terminal C.

Yes, you can fly direct from Sea-Tac Airport to IAH with United Airlines and avoid time-consuming stopovers. The less time you spend waiting around for your next flight, the more time you’ll have for adventuring.

Watch your favorite TV show, listen to some music or just recline your seat and forget all your worries. Whatever you’re into, find a way to while away the 4 hours and 36 minutes that it takes to get from SEA to IAH with United Airlines.

Thinking about booking a flight from SEA to IAH with United Airlines? On this route, you’ll likely be hopping on board either the Boeing 737-900 or the Boeing 737 MAX 9 type aircraft.

If you need to lock in a trip from SEA to IAH, you can choose from about 4 United Airlines flights every 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.