Vuelos de United de Denver (DEN) a San Antonio (SAT) desde $89

For information on any current San Antonio Airport quarantine requirements and travel advice, visit the Covid-19 Travel Advisor. Check before you book your flight, so you don’t get caught up en route.

At DIA airport, United Airlines flights to San Antonio Airport normally head out from the main terminal. Want to know exactly which terminal you’ll be hopping off the plane at? It’s most likely to be terminal B.

Direct flights are available for booking with United Airlines, which means you can get from DIA airport to SAT the easy way. Those unforgettable vacation experiences you’re searching for are a hassle-free flight away.

Wind and weather … They’re just some factors that can influence how long you spend in your seat. However, a trip from Denver Intl. Airport (DEN) to SAT with United Airlines takes roughly 2 hours and 51 minutes, so you’ll have touched down and be in vacay mode in next to no time.

The Boeing 737-800 and the Boeing 737 MAX 9 are the types of aircraft routinely used by United Airlines between DEN and SAT.

When jetsetting from DEN to SAT, you’ll discover around 5 United Airlines daily flights to pick from.

For more info about changing your flight to SAT, 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.