Cheapest one-way flights from St. Thomas to San Juan in April from 107€

AirHint found the following cheapest one-way flights from St. Thomas (STT) to San Juan (SJU) in April 2026 (see full year).

One-Way flights

07 Apr jetBlue direct
30 Apr jetBlue direct
15 Apr Spirit Airlines
18 Apr Spirit Airlines
22 Apr Spirit Airlines
08 Apr jetBlue direct
01 Apr Cape Air direct
05 Apr jetBlue direct
16 Apr Spirit Airlines
19 Apr Spirit Airlines

Also check the deals for return flights from St. Thomas 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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