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

Cape Air and JetBlue Airways fly nonstop between Saint Croix (STX) and San Juan (SJU), 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 STX to SJU 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

Saint Croix to San Juan flight schedule

Scheduled nonstop departures for STX to SJU, 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 Saint Croix (STX) to San Juan (SJU)
Date Flight Airline Departs STX Arrives SJU Duration Aircraft
9K 2441Cape Air09:1010:0050 minutesCNA
9K 2461Cape Air15:1416:0450 minutesCNA
9K 2421Cape Air16:5517:4550 minutesCNA
9K 2441Cape Air09:1010:0050 minutesCNA
9K 2401Cape Air10:2511:1550 minutesCNA
9K 2461Cape Air15:1416:0450 minutesCNA
9K 2421Cape Air16:5517:4550 minutesCNA
9K 2441Cape Air09:1010:0050 minutesCNA
9K 2401Cape Air10:2511:1550 minutesCNA
9K 2461Cape Air15:1416:0450 minutesCNA
9K 2421Cape Air16:5517:4550 minutesCNA
9K 2441Cape Air09:1010:0050 minutesCNA
9K 2401Cape Air10:2511:1550 minutesCNA
9K 2461Cape Air14:1815:0850 minutesCNA
9K 2421Cape Air16:4817:3850 minutesCNA
9K 2441Cape Air09:1010:0050 minutesCNA
9K 2401Cape Air10:2511:1550 minutesCNA
9K 2461Cape Air15:1416:0450 minutesCNA
9K 2441Cape Air09:1010:0050 minutesCNA
9K 2401Cape Air10:2511:1550 minutesCNA
9K 2461Cape Air15:1416:0450 minutesCNA
9K 2421Cape Air16:5517:4550 minutesCNA
9K 2441Cape Air09:1010:0050 minutesCNA
9K 2461Cape Air15:1416:0450 minutesCNA
9K 2421Cape Air16:5517:4550 minutesCNA

Showing all 25 scheduled STX to SJU 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 STX to SJU date on the interactive map

Award seats on STX to SJU departures

2LNR tracks award seats on JetBlue Airways, date by date. Open the calendar for Saint Croix to San Juan 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 STX to SJU 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 STX to SJU on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Saint Croix to San Juan nonstop

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

See STX to SJU on the interactive map →

Frequently asked questions about STX to SJU

How far is San Juan from Saint Croix?
STX to SJU 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 STX to SJU?
Cape Air and JetBlue Airways fly the route nonstop. 2LNR tracks award seats on JetBlue Airways.
How many flights a week are there from STX to SJU?
About 25 nonstop flights a week run between Saint Croix and San Juan 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 STX to SJU depart?
Scheduled STX to SJU nonstops in the next 7 days with service leave between 09:10 and 16:55, local time at Saint Croix. 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 STX to SJU?
Open the STX to SJU 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 STX to SJU 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