$139 Cheap Frontier Airlines flights from Denver to San Juan (DEN to SJU)

Find The Best Day To Fly from Denver to San Juan

Amazing Frontier Airlines DEN to SJU Flight Deals

The cheapest flights to Luis Munoz Marin Intl. found within the past 7 days were $269 round trip and $139 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Sep 17 - Sun, Sep 21
DEN
Denver
SJU
San Juan
$269 Roundtrip, found 2 days ago
$269
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Sep 17 from Denver to San Juan, returning Sun, Sep 21, priced at $269 found 2 days ago
Sun, Sep 7 - Fri, Sep 12
DEN
Denver
SJU
San Juan
$271 Roundtrip, found 2 days ago
$271
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sun, Sep 7 from Denver to San Juan, returning Fri, Sep 12, priced at $271 found 2 days ago
Wed, Sep 24 - Sun, Sep 28
DEN
Denver
SJU
San Juan
$272 Roundtrip, found 1 day ago
$272
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Sep 24 from Denver to San Juan, returning Sun, Sep 28, priced at $272 found 1 day ago
Sun, Aug 17 - Fri, Aug 22
DEN
Denver
SJU
San Juan
$274 Roundtrip, found 19 hours ago
$274
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Sun, Aug 17 from Denver to San Juan, returning Fri, Aug 22, priced at $274 found 19 hours ago
Thu, Nov 6 - Thu, Nov 13
DEN
Denver
SJU
San Juan
$278 Roundtrip, just found
$278
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Nov 6 from Denver to San Juan, returning Thu, Nov 13, priced at $278 just found
Sat, Jul 19 - Sat, Jul 26
DEN
Denver
SJU
San Juan
$280 Roundtrip, found 2 hours ago
$280
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Jul 19 from Denver to San Juan, returning Sat, Jul 26, priced at $280 found 2 hours ago

Frequently asked questions

Can I catch a flight from DEN to SJU right now?
It's wise to know about any travel advice reports and quarantine requirements in effect in your destination city. Ensure you go to the Covid-19 Travel Advisor for up-to-date info on catching a flight to Luis Munoz Marin Intl. Airport (SJU).
What terminal is Frontier Airlines at Denver Airport?
Your boarding pass usually tells you which terminal your Frontier Airlines flight will be taking off from at DEN. It might also be able to give you arrival details for Isla Verde Intl. Airport. If not, it might be a good idea to ask your airline before you fly.
Are there Frontier Airlines non-stop flights from DEN to SJU?
If you're flying with Frontier Airlines from DEN to Isla Verde Intl. Airport, you'll need to make at least one stop. While you're waiting for your connecting flight, take the chance to pick up a snack or go for a wander.
How long is a Frontier Airlines flight from DEN to SJU?
Your Frontier Airlines flight from Denver Intl. Airport (DEN) to Isla Verde Intl. Airport should take around 6 hours and 46 minutes. There's a range of things you can do to keep yourself busy. Talking to the person next to you about their travels is one of them. If you'd rather a different sort of in-flight entertainment, you could always watch a TV show.
How many direct and indirect flights does Frontier Airlines fly from DEN to SJU?
If you need to lock in a jaunt from DEN to SJU, you can select from roughly 3 Frontier Airlines flights daily.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Luis Munoz Marin Intl. Airport (SJU), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
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.
What are the cheapest days to fly?
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.
How far in advance can you book a flight?
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.

Discover our best Frontier Airlines flight from Denver DEN to San Juan SJU 

To find the best deals on flights to Denver from San Juan with Frontier Airlines, just enter your travel dates, filter by Frontier Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Denver DEN to San Juan SJU with Frontier Airlines 

If you’re planning a round trip, booking return flights with Frontier Airlines is usually the most cost-effective option. With airfares ranging from $269 to $280, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way Frontier Airlines flights from Denver DEN to San Juan SJU 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Frontier Airlines flight from Denver to San Juan costs from $139. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to San Juan SJU from  Denver DEN with Frontier Airlines 

To find a cheap Frontier Airlines flight from Denver DEN to San Juan SJU, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on Frontier Airlines flights from Denver DEN to San Juan SJU 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as September, or if you book a flight with a stopover. 

 

Find nonstop flights from Denver DEN to San Juan SJU with Frontier Airlines 

If you’re keen to be on San Juan soil fast, don’t waste time with a stopover—filter your search results to show direct Frontier Airlines flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for Frontier Airlines flights from Denver DEN to San Juan SJU 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to San Juan SJU from  Denver DEN with Frontier Airlines on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Frontier Airlines Airports
Hop on a(n) Frontier Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
DENUSADenver Intl.13
MCOUSAOrlando Intl.7
CUNMEXCancun Intl.6
GDLMEXDon Miguel Hidalgo y Costilla Intl.5
PHLUSAPhiladelphia Intl.2
ORDUSAO'Hare Intl.2
MIAUSAMiami Intl.1
LASUSAMcCarran Intl.1
MEXMEXMexico City Intl.1
LAXUSALos Angeles Intl.1
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.