Direct (nonstop) flights from San Juan to Saint Croix

2 airlines fly nonstop from Luis Munoz Marin International (SJU) to Saint Croix (STX). It's 94 miles (151 km), about 43m in the air. Operated by Cape Air, JetBlue Airways.

SJU
Luis Munoz Marin International
🇵🇷 San Juan, Puerto Rico
STX
Saint Croix
🇻🇮 Saint Croix, U.S. Virgin Islands
Flight Time
43m
Distance
94 mi
151 km
CO₂/pax
17 kg
−29 kg vs. layover
Airlines
2
Cape Air +1
Time Diff
Same timezone
Operated by Cape Air Cape Air JetBlue Airways JetBlue Airways

Route data last updated: May 30, 2026

Airlines with non-stop flights

Cape Air 9K Cape Air
Route
SJU → STX
Flight Time
43m
Distance
94 mi
JetBlue Airways B6 JetBlue Airways
Route
SJU → STX
Flight Time
43m
Distance
94 mi

Alternative Routes

Other ways to fly from San Juan to Saint Croix with one stop · direct emits 17 kg CO₂ per passenger

SJU STT (Saint Thomas) STX
Leg 1: 39m (68 mi) Leg 2: 32m (45 mi) Total: ~1h 11m 🍃 46 kg CO₂ (+171% vs. direct)
Leg 1
SJU → STT
39m · 68 mi
View SJU to STT flights →
Leg 2
STT → STX
32m · 45 mi
View STT to STX flights →
SJU FLL (Fort Lauderdale) STX
Leg 1: 2h 49m (1,046 mi) Leg 2: 2h 34m (1,140 mi) Total: ~5h 23m 🍃 395 kg CO₂ (+2224% vs. direct)
Leg 1
SJU → FLL
2h 49m · 1,046 mi
View SJU to FLL flights →
Leg 2
FLL → STX
2h 34m · 1,140 mi
View FLL to STX flights →
SJU MIA (Miami) STX
Leg 1: 2h 58m (1,045 mi) Leg 2: 2h 55m (1,138 mi) Total: ~5h 53m 🍃 394 kg CO₂ (+2218% vs. direct)
Leg 1
SJU → MIA
2h 58m · 1,045 mi
View SJU to MIA flights →
Leg 2
MIA → STX
2h 55m · 1,138 mi
View MIA to STX flights →
SJU ATL (Atlanta) STX
Leg 1: 4h 1m (1,547 mi) Leg 2: 3h 41m (1,639 mi) Total: ~7h 42m 🍃 563 kg CO₂ (+3212% vs. direct)
Leg 1
SJU → ATL
4h 1m · 1,547 mi
View SJU to ATL flights →
Leg 2
ATL → STX
3h 41m · 1,639 mi
View ATL to STX flights →
SJU CLT (Charlotte) STX
Leg 1: 4h 3m (1,474 mi) Leg 2: 3h 43m (1,562 mi) Total: ~7h 46m 🍃 538 kg CO₂ (+3065% vs. direct)
Leg 1
SJU → CLT
4h 3m · 1,474 mi
View SJU to CLT flights →
Leg 2
CLT → STX
3h 43m · 1,562 mi
View CLT to STX flights →

Frequently Asked Questions

How long is the direct flight from San Juan to Saint Croix?

A nonstop flight from San Juan (SJU) to Saint Croix (STX) takes approximately 0 hours and 43 minutes. The distance is 94 miles (151 km).

Which airlines fly nonstop from San Juan to Saint Croix?

2 airlines: Cape Air, JetBlue Airways.

Is there a nonstop flight from San Juan to Saint Croix?

Yes. 2 airlines: Cape Air, JetBlue Airways.

How far is San Juan from Saint Croix?

The flight distance from San Juan to Saint Croix is 94 miles (151 km), measured as the great-circle (shortest air) distance.

What type of aircraft flies from San Juan to Saint Croix?

At 43m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

Do I need a visa to travel from Puerto Rico to U.S. Virgin Islands?

Depends on your passport. Check with the U.S. Virgin Islands embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from San Juan to Saint Croix?

Roughly 17 kg CO2 per passenger one-way. That's about the same as driving 85 km.

Is the return flight from Saint Croix to San Juan also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from San Juan to Saint Croix?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Luis Munoz Marin International for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.