How long is the flight from Saint Louis to San Juan?

Direct flights from STL to SJU cover approximately 3,261 km (2,026 miles), with an estimated flight time of 3h 50m. Operating airlines: WN.

Cheap flights from Saint Louis to San Juan

Direct flight: 3,261 km, ~3h 50m from Saint Louis (STL) to San Juan (SJU).

Last updated May 26, 2026 · By Flightmaps Editorial

How long is the flight from Saint Louis to San Juan?

Direct flights from STL to SJU cover approximately 3,261 km (2,026 miles), with an estimated flight time of 3h 50m. Operating airlines: WN.

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