San Juan to Saint Croix (SJU-STX): nonstop upgrade & award space

Cape Air and JetBlue Airways fly nonstop between San Juan (SJU) and Saint Croix (STX), roughly 25 times a week. With Cape Air running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks award seats on JetBlue Airways across every SJU to STX date, so you can see whether a seat exists before you move points.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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25
Nonstop flights a week
94 mi
Nonstop distance
Free
To get started

San Juan to Saint Croix flight schedule

Scheduled nonstop departures for SJU to STX, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from San Juan (SJU) to Saint Croix (STX)
Date Flight Airline Departs SJU Arrives STX Duration Aircraft
9K 2491Cape Air07:3008:2050 minutesCNA
9K 2471Cape Air15:2516:1550 minutesCNA
9K 2451Cape Air18:4819:3850 minutesCNA
9K 2491Cape Air07:3008:2050 minutesCNA
9K 2411Cape Air11:4012:3050 minutesCNA
9K 2471Cape Air15:2516:1550 minutesCNA
9K 2451Cape Air18:4819:3850 minutesCNA
9K 2491Cape Air07:3008:2050 minutesCNA
9K 2411Cape Air11:4012:3050 minutesCNA
9K 2471Cape Air15:2516:1550 minutesCNA
9K 2451Cape Air18:4819:3850 minutesCNA
9K 2411Cape Air11:4012:3050 minutesCNA
9K 2471Cape Air15:2516:1550 minutesCNA
9K 2431Cape Air15:3316:2350 minutesCNA
9K 2451Cape Air18:4819:3850 minutesCNA
9K 2411Cape Air11:4012:3050 minutesCNA
9K 2471Cape Air15:2516:1550 minutesCNA
9K 2451Cape Air18:4819:3850 minutesCNA
9K 2491Cape Air07:3008:2050 minutesCNA
9K 2411Cape Air11:4012:3050 minutesCNA
9K 2471Cape Air15:2516:1550 minutesCNA
9K 2451Cape Air18:4819:3850 minutesCNA
9K 2491Cape Air07:3008:2050 minutesCNA
9K 2471Cape Air15:2516:1550 minutesCNA
9K 2451Cape Air18:4819:3850 minutesCNA

Showing all 25 scheduled SJU to STX departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every SJU to STX date on the interactive map

Award seats on SJU to STX departures

2LNR tracks award seats on JetBlue Airways, date by date. Open the calendar for San Juan to Saint Croix to see whether a seat exists before you move points, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each SJU to STX departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See SJU to STX on the interactive route map, with schedules, connections, and route statistics.

Airlines flying San Juan to Saint Croix nonstop

Carriers operating SJU to STX nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See SJU to STX on the interactive map →

Frequently asked questions about SJU to STX

How far is Saint Croix from San Juan?
SJU to STX covers about 94 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from SJU to STX?
Cape Air and JetBlue Airways fly the route nonstop. 2LNR tracks award seats on JetBlue Airways.
How many flights a week are there from SJU to STX?
About 25 nonstop flights a week run between San Juan and Saint Croix in the current schedule, operated by Cape Air and JetBlue Airways. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from SJU to STX depart?
Scheduled SJU to STX nonstops in the next 7 days with service leave between 07:30 and 18:48, local time at San Juan. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on SJU to STX?
Open the SJU to STX route on the interactive map or the matrix to see award seats by date on JetBlue Airways, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss SJU to STX upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

Get started free