Cheapest return flights from Detroit to San Juan in February from $138

AirHint found the following cheapest return flights from Detroit (DTW) to San Juan (SJU) in February 2026 (see full year).

Return flights

21 Feb - 25 Feb Frontier Airlines
01 Feb - 04 Feb Frontier Airlines
09 Feb - 20 Feb Frontier Airlines
01 Feb - 06 Feb Spirit Airlines
01 Feb - 11 Feb Spirit Airlines
01 Feb - 05 Feb Spirit Airlines
01 Feb - 07 Feb Spirit Airlines
09 Feb - 11 Feb Spirit Airlines
09 Feb - 25 Feb Spirit Airlines
02 Feb - 04 Feb Spirit Airlines
28 Feb - 04 Mar Spirit Airlines
27 Feb - 06 Mar Spirit Airlines
28 Feb - 06 Mar Spirit Airlines
28 Feb - 05 Mar Spirit Airlines
27 Feb - 10 Mar Spirit Airlines
27 Feb - 05 Mar Spirit Airlines
27 Feb - 20 Mar Spirit Airlines
27 Feb - 16 Mar Spirit Airlines
28 Feb - 10 Mar Spirit Airlines
28 Feb - 20 Mar Spirit Airlines

Also check the deals for one-way flights from Detroit to San Juan in February.

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