Flights from Saint Louis to San Juan from $ 219* or from $/mo

Featured daily fares for flights from Saint Louis (STL) to San Juan (SJU)

$ 249
Displaying fares for June-2025
30

Mo

JUN

05

Sa

13

We

06

Sa

01

We

OCT

01

Sa

NOV

01

Mo

DEC

01

Th

JAN

01

Su

FEB

01

Su

MAR

15

We

01

Fr

MAY

Range$ 249-$ 391