Vuelos de United de Houston (IAH) a Knoxville (TYS) desde $215

For info on any current TYS travel advice and quarantine requirements, visit our Covid-19 Travel Advisor. Look before you arrange your flight, so you don’t get caught up en route.

If you’re flying with United Airlines from Houston Airport, you’ll usually catch your flight from terminal B. If you’re heading to McGhee Tyson Airport (TYS) from here, you’re likely to be filing off the aircraft at the main terminal.

Yes, there are. Save time and energy and fly straight from George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS) with United Airlines. Avoid tiresome transfers, reduce the risk of your bags going missing and get to your destination faster — direct flights are preferred by many wise travelers.

Headwinds, tailwinds, bad weather … They’re just a few factors that can influence how long your time in the air will last. However, a flight from IAH to TYS with United Airlines takes just 3 hours and 24 minutes on average, so you’ll have landed and be in vacation mode in next to no time.

Booked a seat with United Airlines? You’re likely to be flying aboard the Embraer ERJ on the IAH to TYS flight route.

If you’re traveling from IAH to TYS, you’ll discover about 3 United Airlines daily flights to choose from.

For more info about changing your flight to TYS, 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.