Cheapest return flights from Denver to San Juan in November from $247

AirHint found the following cheapest return flights from Denver (DEN) to San Juan (SJU) in November 2025 (see full year).

Return flights

22 Nov - 06 Dec Frontier Airlines
27 Nov - 02 Dec Frontier Airlines
28 Nov - 02 Dec Frontier Airlines
27 Nov - 01 Dec Frontier Airlines
25 Nov - 01 Dec Frontier Airlines
26 Nov - 01 Dec Frontier Airlines
14 Nov - 21 Nov Frontier Airlines
27 Nov - 30 Nov Frontier Airlines
25 Nov - 30 Nov Frontier Airlines
12 Nov - 15 Nov Frontier Airlines
26 Nov - 30 Nov Frontier Airlines
22 Nov - 30 Nov Frontier Airlines
19 Nov - 25 Nov United
28 Nov - 06 Dec United direct
12 Nov - 15 Nov United direct
25 Nov - 30 Nov United direct
26 Nov - 30 Nov United direct

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

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