AirHint found the following cheapest return flights from Raleigh-durham (RDU) to St. Thomas (STT) in March 2026 (see full year).

Return flights

21 Mar - 25 Mar	American Airlines
20 Mar - 26 Mar	American Airlines
21 Mar - 26 Mar	American Airlines
21 Mar - 27 Mar	American Airlines
19 Mar - 23 Mar	American Airlines
26 Mar - 30 Mar	American Airlines
08 Mar - 13 Mar	American Airlines
12 Mar - 16 Mar	American Airlines
16 Mar - 22 Mar	American Airlines
28 Mar - 04 Apr	Frontier Airlines
28 Mar - 03 Apr	Frontier Airlines
14 Mar - 21 Mar	Spirit Airlines
27 Mar - 03 Apr	Frontier Airlines
27 Mar - 05 Apr	Frontier Airlines

Also check the deals for one-way flights from Raleigh-durham to St. Thomas in March.

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 Raleigh-durham to St. Thomas in March from $324

Return flights