AirHint found the following cheapest return flights from San Antonio (SAT) to San Juan (SJU) in April 2026 (see full year).
Return flights
| 21 Apr - 29 Apr | United | ||
| 14 Apr - 17 Apr | American Airlines | ||
| 10 Apr - 21 Apr | United | ||
| 01 Apr - 05 Apr | Spirit Airlines | ||
| 17 Apr - 20 Apr | Spirit Airlines | ||
| 16 Apr - 20 Apr | Spirit Airlines |
Also check the deals for one-way flights from San Antonio to San Juan in April.
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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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