Getting from St. Thomas to St. Croix | Ferry Vs Flight

The St. Thomas to St. Croix ferry costs less; seaplanes and airport flights save time when schedules line up.

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For getting from St. Thomas to St. Croix, the first decision is whether you care more about fare, views, or schedule control. The QE IV passenger ferry is the lowest-cost simple choice when its afternoon departure fits; the seaplane is the easiest city-to-city hop; Cape Air’s airport flight fits travelers who are already at Cyril E. King Airport (STT) or need a later connection.

St. Thomas and St. Croix sit close enough for a 25-minute flight, but the full trip can still hinge on taxis, check-in cutoffs, luggage, and weather. Use the route notes below to pick the ferry, seaplane, or airport flight before you land in the wrong terminal.

Compare live ferry, flight, and transfer options once you know your travel day:

St. Thomas To St. Croix Routes Compared

St. Thomas to St. Croix routes split into three real choices: passenger ferry, seaplane, and airport flight. The right route depends less on mileage and more on where your day starts on St. Thomas.

The ferry leaves from the Edward W. Blyden IV Marine Terminal area on the Charlotte Amalie waterfront and arrives at Gallows Bay in Christiansted. The seaplane also works well from the waterfront side of St. Thomas and lands in Christiansted Harbor. Airport flights leave from Cyril E. King Airport (STT) and land at Henry E. Rohlsen Airport (STX), which sits west of Christiansted.

• Choose the ferry when the 3:00 p.m. sailing fits your day and you want the lowest fare.
• Choose the seaplane when you are staying near Charlotte Amalie or Christiansted and want the least ground transfer time.
• Choose the airport flight when you are connecting from a mainland flight through STT or need an airport-to-airport itinerary.

St. Thomas has no regular visitor car-ferry route to St. Croix. If you need a car on St. Croix, rent after arrival instead of trying to move a vehicle between the islands.

How Long Does The Trip Take?

The St. Thomas to St. Croix ferry takes about 2 hours 10 minutes dock-to-dock, while both seaplane and airport flights take about 25 minutes in the air. Door-to-door time can be much closer once taxis, baggage, and check-in are added.

Ferry travelers should treat the trip as a half-day move, not just a boat ride. You need time to reach the waterfront, check in, board, cross, then get from Gallows Bay to your hotel or rental car desk.

Flying is shorter in the air, but airport routing adds its own friction. STT and STX airport security, baggage timing, and taxi distance can erase part of the time advantage if you were already downtown.

Ferry: Lower Fare, Fewer Departure Choices

The QE IV passenger ferry is the cleanest budget choice from St. Thomas to St. Croix when the sailing day works. The catch is schedule: current service is not daily, and the St. Thomas departure is in the afternoon.

QE IV lists Wednesday through Monday service, with the St. Thomas ferry leaving Blyden Terminal at 3:00 p.m. and reaching Gallows Bay at 5:10 p.m., on the QE IV Ferry services page. QE IV pages currently show a one-way fare in the roughly $70 to $85 range, so confirm the exact fare at checkout before paying.

The ferry works especially well if you are already in Charlotte Amalie, want to avoid airport transfers, or prefer arriving near Christiansted. The weak spot is flexibility: a missed cutoff or canceled sailing can wreck a same-day plan faster than a missed flight.

Route Costs And Timing At A Glance

The route table shows why the cheapest path is not always the shortest day. St. Thomas and St. Croix travelers should compare terminal location before comparing only ticket fare.

Seaplane And Airport Flight: Faster, Usually Pricier

Seaplane and airport flights are the speed choices, not the budget choices. The seaplane is usually the smoothest St. Thomas waterfront to Christiansted move, while the airport flight makes more sense from STT.

Seaborne Airlines describes the seaplane link as a 25-minute downtown-to-downtown flight and says the seaplane schedule can run more than 20 flights a day between the islands. That frequency matters when the ferry time is wrong for your arrival day.

Cape Air’s current STT-to-STX fare page recently showed one-way seats from about $99 to $129 on available 2026 dates, before any baggage or fare-rule add-ons. Cape Air is the simpler pick when your St. Thomas arrival is already at the airport, since you avoid crossing town to the harbor.

Baggage, Weather, And Check-In Rules

Route details matter on this crossing because weather and cutoff times can change the day. The ferry is simple, but the 15-minute cutoff is firm enough that arriving late can cost you the ride.

Bring government-issued photo identification for ferry check-in and airline travel. US citizens moving within the U.S. Virgin Islands do not normally need a passport for St. Thomas to St. Croix, but carriers can still ask for ID, and non-US travelers should carry their normal entry documents.

Weather is the main shared gate across all three options. Ferries can slow down or cancel in rough seas, and small aircraft can be delayed by storms or visibility. If you have an international flight, cruise departure, wedding, or prepaid tour on the same day, choose the earlier route with the most backup options.

Where To Arrive On St. Croix

St. Croix arrival point should shape your first night because the island is larger than many visitors expect. Ferry and seaplane arrivals favor Christiansted, while airport arrivals favor a rental car or taxi plan before you leave STX.

Christiansted is the easiest base after the ferry or seaplane because Gallows Bay and the seaplane harbor put you close to restaurants, the boardwalk, and east-end beaches. Frederiksted can be better for west-end beach time, but it adds a cross-island transfer after most St. Thomas arrivals.

Once your route is set, compare St. Croix stays by arrival point and drive time:

Which Route Should You Pick?

The ferry is the right pick for most budget travelers who can use the Wednesday-through-Monday afternoon schedule. The seaplane is the right pick for the easiest waterfront-to-waterfront transfer, and the airport flight is the right pick when your trip already runs through STT.

• Lowest fare: take the QE IV ferry if the 3:00 p.m. St. Thomas departure matches your plans.
• Least ground travel: take the seaplane if you start near Charlotte Amalie and want to land near Christiansted.
• Cleanest airline connection: take Cape Air from STT to STX if you are arriving at Cyril E. King Airport.
• Most schedule control: compare same-day flight times before assuming the ferry will work.
• Risk-sensitive travel: avoid placing this transfer right before a cruise, wedding, or long-haul flight.

For a relaxed St. Croix arrival, aim to reach the island before dinner and sleep near the part of the island you plan to use first. The crossing is short, but the right terminal choice saves more time than shaving a few dollars off the fare.