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

Return flights

28 Feb - 04 Mar	Frontier Airlines
14 Feb - 19 Feb	Frontier Airlines
19 Feb - 28 Feb	Frontier Airlines
21 Feb - 26 Feb	Frontier Airlines
23 Feb - 26 Feb	Frontier Airlines
09 Feb - 26 Feb	Delta
09 Feb - 11 Feb	Spirit Airlines
07 Feb - 11 Feb	Spirit Airlines
13 Feb - 18 Feb	Frontier Airlines
27 Feb - 02 Mar	Spirit Airlines
10 Feb - 15 Feb	Spirit Airlines
12 Feb - 17 Feb	Spirit Airlines

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

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.

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Cheapest return flights from San Antonio to San Juan in February from 171€

Return flights