Cheapest return flights from Raleigh-durham to San Juan in December from 209€

AirHint found the following cheapest return flights from Raleigh-durham (RDU) to San Juan (SJU) in December 2025 (see full year).

Return flights

06 Dec - 08 Dec Spirit Airlines
05 Dec - 08 Dec Spirit Airlines
06 Dec - 13 Dec Spirit Airlines
05 Dec - 13 Dec Spirit Airlines
01 Dec - 06 Dec Southwest Airlines
01 Dec - 08 Dec Southwest Airlines
11 Dec - 18 Dec Frontier Airlines
04 Dec - 08 Dec Frontier Airlines
06 Dec - 20 Dec Spirit Airlines
05 Dec - 20 Dec Spirit Airlines
20 Dec - 01 Jan Southwest Airlines
19 Dec - 01 Jan Frontier Airlines
23 Dec - 01 Jan Frontier Airlines
23 Dec - 02 Jan Frontier Airlines
23 Dec - 03 Jan Frontier Airlines
27 Dec - 06 Jan United

Also check the deals for one-way flights from Raleigh-durham to San Juan in December.

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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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