AirHint found the following cheapest return flights from Port-of-spain (POS) to Castries (SLU) in May 2026 (see full year).
Return flights
| 20 May - 27 May | Caribbean Airlines | ||
| 14 May - 21 May | Caribbean Airlines | ||
| 17 May - 24 May | Caribbean Airlines | ||
| 15 May - 22 May | Caribbean Airlines | ||
| 18 May - 25 May | Hahn Air Technologies |
Also check the deals for one-way flights from Port-of-spain to Castries in May.
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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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