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

Return flights

01 Nov - 08 Nov	Frontier Airlines
11 Nov - 18 Nov	Frontier Airlines
07 Nov - 14 Nov	Frontier Airlines
06 Nov - 13 Nov	Frontier Airlines
07 Nov - 15 Nov	Frontier Airlines
08 Nov - 15 Nov	Frontier Airlines
10 Nov - 17 Nov	Frontier Airlines
09 Nov - 16 Nov	Frontier Airlines
06 Nov - 11 Nov	Frontier Airlines
04 Nov - 11 Nov	Frontier Airlines
26 Nov - 03 Dec	jetBlue
28 Nov - 05 Dec	jetBlue
29 Nov - 06 Dec	jetBlue
26 Nov - 01 Dec	jetBlue	direct
24 Nov - 01 Dec	jetBlue	direct
25 Nov - 02 Dec	jetBlue
26 Nov - 05 Dec	jetBlue	direct
30 Nov - 07 Dec	jetBlue
27 Nov - 04 Dec	jetBlue
27 Nov - 01 Dec	jetBlue	direct

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

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 San Juan in November from $143

Return flights