Cheapest one-way flights from Key West to St. Thomas in March from $278

AirHint found the following cheapest one-way flights from Key West (EYW) to St. Thomas (STT) in March 2026 (see full year).

One-Way flights

12 Mar American Airlines
16 Mar American Airlines

Also check the deals for return flights from Key West to St. Thomas in March.

Skyscanner

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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