Vuelos de Delta de San Juan (SJU) a St. Louis (STL) desde $157

For any current STL travel advice and quarantine requirements, go to our Covid-19 Travel Advisor. Check before you book your flight, so you don’t get caught up en route.

If you’re traveling with Delta Air Lines from Luis Munoz Marin Intl. Airport (SJU) to STL, you might be able to find out the terminal information when you receive your ticket. If not, get in touch with your airline.

As you can’t travel nonstop from SJU to St. Louis Lambert International Airport with Delta Air Lines, make the most of your stopover. Treat yourself to a few drinks at a comfortable airport bar, or go for a wander around the terminal and enjoy a little retail therapy.

Your Delta Air Lines flight from SJU to STL should take about 5 hours and 37 minutes. There are many things you can do to while away the time. Talking to the person next to you about their travels is one of them. If you’d rather a different type of in-flight entertainment, you could always read a book.

Delta Air Lines operates about 2 flights daily from SJU to Lambert Field.

For more info about changing your flight to Lambert-St. Louis Intl. Airport (STL), 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.