Direct (nonstop) flights from Saint Thomas to San Juan

3 airlines fly nonstop from Saint Thomas (STT) to Luis Munoz Marin International (SJU). It's 68 miles (109 km), about 45m in the air. Operated by Cape Air, JetBlue Airways, Sun Country Airlines.

STT
Saint Thomas
🇻🇮 Saint Thomas, U.S. Virgin Islands
SJU
Luis Munoz Marin International
🇵🇷 San Juan, Puerto Rico
Flight Time
45m
Distance
68 mi
109 km
CO₂/pax
13 kg
−35 kg vs. layover
Airlines
3
Cape Air +2
Time Diff
Same timezone
Operated by Cape Air Cape Air JetBlue Airways JetBlue Airways Sun Country Airlines Sun Country Airlines

Route data last updated: May 28, 2026

Airlines with non-stop flights

Cape Air 9K Cape Air
Route
STT → SJU
Flight Time
45m
Distance
68 mi
JetBlue Airways B6 JetBlue Airways
Route
STT → SJU
Flight Time
45m
Distance
68 mi
Sun Country Airlines SY Sun Country Airlines
Route
STT → SJU
Flight Time
45m
Distance
68 mi

Alternative Routes

Other ways to fly from Saint Thomas to San Juan with one stop · direct emits 13 kg CO₂ per passenger

STT EIS (Beef Island) SJU
Leg 1: 25m (29 mi) Leg 2: 43m (96 mi) Total: ~1h 8m 🍃 48 kg CO₂ (+269% vs. direct)
Leg 1
STT → EIS
25m · 29 mi
View STT to EIS flights →
Leg 2
EIS → SJU
43m · 96 mi
View EIS to SJU flights →
STT STX (Saint Croix) SJU
Leg 1: 32m (45 mi) Leg 2: 50m (94 mi) Total: ~1h 22m 🍃 50 kg CO₂ (+285% vs. direct)
Leg 1
STT → STX
32m · 45 mi
View STT to STX flights →
Leg 2
STX → SJU
50m · 94 mi
View STX to SJU flights →
STT AXA (Anguilla) SJU
Leg 1: 1h (126 mi) Leg 2: 1h 2m (194 mi) Total: ~2h 2m 🍃 84 kg CO₂ (+546% vs. direct)
Leg 1
STT → AXA
1h · 126 mi
View STT to AXA flights →
Leg 2
AXA → SJU
1h 2m · 194 mi
View AXA to SJU flights →
STT SDQ (Santo Domingo) SJU
Leg 1: 1h 10m (309 mi) Leg 2: 1h 2m (240 mi) Total: ~2h 12m 🍃 127 kg CO₂ (+877% vs. direct)
Leg 1
STT → SDQ
1h 10m · 309 mi
View STT to SDQ flights →
Leg 2
SDQ → SJU
1h 2m · 240 mi
View SDQ to SJU flights →
STT SKB (Saint Kitts) SJU
Leg 1: 1h 10m (164 mi) Leg 2: 1h 10m (230 mi) Total: ~2h 20m 🍃 98 kg CO₂ (+654% vs. direct)
Leg 1
STT → SKB
1h 10m · 164 mi
View STT to SKB flights →
Leg 2
SKB → SJU
1h 10m · 230 mi
View SKB to SJU flights →

Frequently Asked Questions

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

A nonstop flight from Saint Thomas (STT) to San Juan (SJU) takes approximately 0 hours and 45 minutes. The distance is 68 miles (109 km).

Which airlines fly nonstop from Saint Thomas to San Juan?

3 airlines: Cape Air, JetBlue Airways, Sun Country Airlines.

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

Yes. 3 airlines: Cape Air, JetBlue Airways, Sun Country Airlines.

How far is Saint Thomas from San Juan?

The flight distance from Saint Thomas to San Juan is 68 miles (109 km), measured as the great-circle (shortest air) distance.

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

At 45m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

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

Depends on your passport. Check with the Puerto Rico embassy or an official visa portal before booking — requirements change.

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

Roughly 13 kg CO2 per passenger one-way. That's about the same as driving 65 km.

Is the return flight from San Juan to Saint Thomas 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 Saint Thomas to San Juan?

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 Saint Thomas for this flight?

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