[Expired] [Deal Alert] NYC to St. Croix From $86 Round-Trip on Frontier

Updated: June 8, 2026, 6:06am CDT

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Table of Contents

Fare Details
How To Book
Final Thoughts

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Update:The offer mentioned below has expired and is no longer available.

Now here’s something we don’t see too often: deals to the Caribbean for under $100 round-trip. We’ve uncovered a fantastic deal from New York (JFK) to the U.S. Virgin Islands, and it costs just $86 round-trip if you’re a member of Frontier Airlines’ Discount Den program.

Here are the details.

Fare Details

This deal is on Frontier Airlines from New York (JFK) to St. Croix (STX) in the U.S. Virgin Islands via San Juan (SJU). This is a relatively new route for Frontier. The airline recently inaugurated its first-ever service from New York-JFK and announced several new routes, including one to San Juan.

Frontier has made San Juan one of its Caribbean bases, and it will serve as a major jumping-off point for travelers headed to other destinations in the region. The airline currently flies to 14 nonstop routes from San Juan, including Caribbean destinations like Barbados (BGI), St. Martin (SXM), and Port-of-Spain (POS).

Play with some dates on Google Flights and then book directly with Frontier Airlines for the best deal:

Class: Economy
Route: New York (JFK) to St. Croix (STX)
Dates: October and November 2024
Rates: As low as $86 round-trip

Bottom Line:

While October is the beginning of the rainy season in the U.S. Virgin Islands, you’ll also enjoy a far less crowded island and lower prices on hotels and other activities.

How To Book

The best deals are in October and November, though there’s some limited availability later in the year.

The absolute cheapest deals — from $86 round-trip — require a Discount Den membership. This add-on subscription service offers the lowest-cost flights and perks like flying kids for free.

JFK STX Frontier — Have a Discount Den membership? You can score round-trip tickets to the U.S. Virgin Islands for just $86! Image Credit: Frontier

New Discount Den members pay $99.99 for their first year: $59.99 plus a one-time $40 enrollment fee.

Even with a Discount Den membership, the fare is pretty restrictive. You can only bring a personal item, and you’ll need to pay extra for a carry-on and seat selection. You’ll also pay an extra fee if you need to change or cancel your ticket.

If you don’t have a Discount Den membership, prices are still pretty competitive. We’re seeing deals from $107 round-trip (if paying cash) or 20,000 Frontier miles round-trip.

Once you’ve picked your travel dates, make sure to book your trip using a credit card to maximize flight purchases. Some of the best travel cards right now include the Platinum Card^® from American Express, Chase Sapphire Reserve^®, and Capital One Venture X Rewards Credit Card. All 3 cards offer the ability to earn welcome offers and travel perks like lounge access.

Final Thoughts

A round-trip flight for under $100 from New York to St. Croix is a phenomenal deal, especially if you have a Discount Den membership. We rarely see $100 round-trip tickets in the continental U.S.; finding deals to the Caribbean is even rarer. With tickets so cheap, Frontier probably won’t keep them up for long, so if you want to book, you’d better do so ASAP!