Cheapest return flights from St. Louis to San Juan in February from 153€

AirHint found the following cheapest return flights from St. Louis (STL) to San Juan (SJU) in February 2026 (see full year).

Return flights

21 Feb - 24 Feb Frontier Airlines
06 Feb - 09 Feb Frontier Airlines
01 Feb - 06 Feb Southwest Airlines
01 Feb - 04 Feb Southwest Airlines
25 Feb - 02 Mar Frontier Airlines
08 Feb - 12 Feb United
15 Feb - 19 Feb Southwest Airlines
07 Feb - 15 Feb Frontier Airlines
08 Feb - 24 Mar United

Also check the deals for one-way flights from St. Louis to San Juan in February.

Powered by

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.