Direct flights from St Louis to San Juan STL → SJU
Southwest Airlines flies nonstop from St Louis (STL) to San Juan (SJU), 1–2 times a week. The flight takes about 4h 41m and covers 2,026 miles (3,260 km). Arrivals run on time 76.7% at STL and 72.9% at SJU — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Schedule data from 28 July 2026.
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Southwest Airlines
WN
Departure Schedule typical week
Typical weekly schedule · 2 flights per week · Updated 34d ago
Southwest Airlines
Frequently asked questions
Is there a direct flight from St Louis to San Juan?
Yes, Southwest Airlines operates nonstop flights from St Louis (STL) to San Juan (SJU).
Which airlines fly direct from St Louis to San Juan?
Southwest Airlines operates nonstop flights from St Louis to San Juan.
How long is the flight from St Louis to San Juan?
The nonstop flight from St Louis to San Juan takes ~4h 41m (approximately 3260 km).
How often do direct flights operate from St Louis to San Juan?
Nonstop flights from St Louis to San Juan operate 1–2×/week — 2 flights per week.
What is the on-time performance for flights from St Louis to San Juan?
Arrivals run on time 76.7% at STL and 72.9% at SJU — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
What days of the week are there direct flights from St Louis to San Juan?
Direct flights from St Louis to San Juan operate on Saturday.
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