Book Flights to Saint Croix, US Virgin Islands
Saint Croix, the largest of the US Virgin Islands, offers a genuinely quieter, less touristed alternative to Saint Thomas, with well-preserved Danish colonial architecture in its historic twin towns of Christiansted and Frederiksted, alongside Buck Island Reef National Monument's pristine underwater snorkeling trail.
Frontier Airlines operates direct service from Miami and Atlanta, while JetBlue connects from New York. FareOptic compares every routing into STX.
Cheap Flight Deals to Saint Croix
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Why Visit Saint Croix?
A quieter US territory with Danish colonial heritage and a protected national marine monument.
Saint Croix — The Largest and Quietest of the US Virgin Islands
Offering a Genuinely More Relaxed, Less Touristed Alternative to Saint Thomas, With a Distinct Danish Colonial and Rum-Making HeritageSaint Croix, the largest of the US Virgin Islands, offers a genuinely more relaxed and less touristed atmosphere compared to its busier sister island Saint Thomas, with a distinct Danish colonial heritage visible in the well-preserved architecture of its two historic towns, Christiansted and Frederiksted, alongside a rum-making tradition dating back centuries.
Christiansted and Frederiksted — Saint Croix's Historic Twin Towns
Christiansted, a National Historic Site, and Frederiksted both preserve extensive Danish colonial-era architecture, reflecting the island's history as a Danish possession until the US purchase of the Virgin Islands in 1917.
Buck Island Reef National Monument
A Protected Marine National Monument With an Underwater Snorkeling Trail Through Pristine Coral ReefBuck Island Reef National Monument, just off Saint Croix's coast, protects one of the finest marine gardens in the Caribbean, including a designated underwater snorkeling trail through pristine coral reef, making it one of the most distinctive protected marine areas managed by the US National Park Service anywhere in the country.
Visiting Buck Island by Boat
Buck Island is accessible only by boat, with numerous tour operators on Saint Croix offering trips combining beach time with guided snorkeling along the designated underwater trail.
How to Find Cheap Flights to Saint Croix
Book Ahead for the December to April Peak Season
Saint Croix sees its highest demand and prices during the dry winter season from December through April. Book well ahead for travel during this period.
No Passport Required for US Citizens
As a US territory, Saint Croix requires no passport for US citizens traveling directly, simplifying travel compared to most other Caribbean destinations.
Plan a Boat Trip to Buck Island Reef National Monument
Buck Island's underwater snorkeling trail is accessible only by boat and ranks among Saint Croix's most worthwhile excursions.
Airlines Flying to Saint Croix (STX)
Frontier Airlines — Leading Direct Access From Miami and Atlanta
Domestic-Style Ease of Travel Reflects Saint Croix's Status as a US Territory, Requiring No Passport for US CitizensFrontier Airlines operates direct service from Miami and Atlanta, taking advantage of Saint Croix's status as an unincorporated US territory, which allows US citizens to travel without a passport and with domestic-style ease compared to most Caribbean destinations.
Key Routes
Frontier Airlines direct from Miami and Atlanta
JetBlue — A Direct Northeast US Link
New York Service Provides Convenient Access for US Northeast Travelers Seeking Saint Croix's Quieter Island CharacterJetBlue operates direct service from New York, providing convenient access for US Northeast travelers seeking Saint Croix's generally quieter, less crowded island character compared to its sister island Saint Thomas.
Key Routes
JetBlue direct from New York JFK
Things to Do on Saint Croix
Important Information Before You Fly to Saint Croix
Currency
US Dollar (USD)
Language
English (official)
Time Zone
AST (UTC-4, no daylight saving)
Country Code
+1-340 (US Virgin Islands)
Airport Code
STX — Henry E. Rohlsen Airport
US Visa Required
No passport required for US citizens — a US territory
Power Plugs
Type A/B — 120V, 60Hz; matches US devices
Emergency Number
911
Most Popular Airlines
Best Airlines for Domestic & International Routes
Frequently Asked Questions on Travel to Saint Croix
Everything you need to know about booking cheap flights to Saint Croix, US Virgin Islands
What airport serves Saint Croix?
Henry E. Rohlsen Airport (IATA: STX) serves the island, with Frontier Airlines and JetBlue among the direct US carriers.
Do US citizens need a passport for Saint Croix?
No — as an unincorporated US territory, Saint Croix requires no passport for US citizens traveling directly.
How is Saint Croix different from Saint Thomas?
Saint Croix, the largest US Virgin Island, offers a generally quieter, less touristed atmosphere with a distinct Danish colonial heritage compared to the busier Saint Thomas.
What is Buck Island Reef National Monument?
A protected marine national monument off Saint Croix's coast, featuring a designated underwater snorkeling trail through pristine coral reef, accessible only by boat.
What currency is used on Saint Croix?
The US dollar, as Saint Croix is a US territory.
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