$114 Cheap Frontier Airlines flights from St. Louis to San Juan (STL to SJU)

Find The Best Day To Fly from St. Louis to San Juan

Amazing Frontier Airlines STL to SJU Flight Deals

The cheapest flights to Luis Munoz Marin Intl. found within the past 7 days were $220 round trip and $114 one way. Prices and availability subject to change. Additional terms may apply.

SJU From STL Economy Coach Packages on Similar Airlines

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Hotel Puerto Valdes
Hyatt Vacation Club at Hacienda del Mar, Dorado
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Discover our best Frontier Airlines flight from St. Louis STL to San Juan SJU 

To find the best deals on flights to St. Louis 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 St. Louis STL 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 $220 to $234, 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 St. Louis STL 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 St. Louis to San Juan costs from $114. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to San Juan SJU from  St. Louis STL with Frontier Airlines 

To find a cheap Frontier Airlines flight from St. Louis STL 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 St. Louis STL 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 May, or if you book a flight with a stopover. 

 

Find nonstop flights from St. Louis STL 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 St. Louis STL 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  St. Louis STL 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

Travelers ❤️ these 🏨 after their flight to San Juan

San Juan Airport Hotel
San Juan Airport Hotel
3 out of 5
LMM International Airport, Terminal D Airport Hotel (SJU), Carolina
This smoke-free hotel features 2 spa tubs, a 24-hour gym, and a restaurant. Family-friendly amenities include an arcade/game room and kid-friendly dining, along ...
8/10 Very Good! (3,434 reviews)
"It’s perfect for an emergency and being close to the airport however, it is extremely expensive"

Reviewed on May 8, 2024

San Juan Airport Hotel
The Royal Sonesta San Juan
The Royal Sonesta San Juan
4 out of 5
5961 Isla Verde Avenue, Carolina
A full-service spa, 4 restaurants, and an outdoor pool are all featured at this smoke-free hotel. Relax with sun loungers and beach umbrellas, and enjoy a drink ...
8.6/10 Excellent! (1,549 reviews)
"Our stay at the Royal Sonesta was a good experience. The only thing that was a bummer was that our bathroom had a small leak in the ceiling. Other than that, the stay and all the amenities were great, right on the beach."

Reviewed on May 7, 2024

The Royal Sonesta San Juan
Residence Inn by Marriott San Juan Isla Verde
Residence Inn by Marriott San Juan Isla Verde
3.5 out of 5
6500 Isla Verde Avenue, Isla Verde, Carolina
This eco-certified hotel features 2 outdoor pools, a restaurant, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center and free ...
9/10 Wonderful! (933 reviews)
"The property was very clean. The staff was nice and friendly. I will stay here again in the future."

Reviewed on May 8, 2024

Residence Inn by Marriott San Juan Isla Verde
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*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.