Frontier Airlines Flights from San Juan (SJU) to Denver (DEN) from $107

As soon as you receive your boarding pass for your Frontier Airlines flight from San Juan (SJU-Luis Munoz Marin Intl.) to Denver, CO (DEN-Denver Intl.), check if the terminal details are written on it. If not, you might like to contact your air carrier. They should be able to tell you exactly where you'll be flying into and out of.

As you can't go nonstop from San Juan (SJU-Luis Munoz Marin Intl.) to Denver, CO (DEN-Denver Intl.) with Frontier Airlines, make the most of your stopover. Shout yourself one of your favorite refreshments at an inviting airport bar, or wander about the terminal and enjoy some retail therapy.

Your Frontier Airlines flight from San Juan (SJU-Luis Munoz Marin Intl.) to Denver, CO (DEN-Denver Intl.) will take roughly 7 hours and 21 minutes. But there are lots of things you can do to distract yourself from staring at your watch. Asking the person beside you about the travel experiences they've had is one of them. If you'd prefer a different type of in-flight entertainment, you could always turn on your TV screen.

When journeying from SJU to DEN, you'll find there are around 2 Frontier Airlines daily flights to choose from.

For more info about changing your flight to Denver, CO (DEN-Denver Intl.), please visit our Customer Service Portal.

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start of the week 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 2019, flights departing on a Tuesday 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 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks prior to their travel dates.

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2019. Savings are subject to change based on departure location, date and destination.