Cheapest return flights from Detroit to San Juan in January from $170

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

Return flights

26 Jan - 07 Feb Spirit Airlines direct
24 Jan - 07 Feb Spirit Airlines direct
23 Jan - 07 Feb Spirit Airlines direct
07 Jan - 16 Jan Spirit Airlines direct
07 Jan - 17 Jan Spirit Airlines direct
07 Jan - 23 Jan Spirit Airlines direct
07 Jan - 24 Jan Spirit Airlines direct
23 Jan - 24 Jan Spirit Airlines direct
23 Jan - 31 Jan Spirit Airlines direct
17 Jan - 07 Feb Spirit Airlines
19 Jan - 07 Feb Spirit Airlines
26 Jan - 08 Feb Spirit Airlines
26 Jan - 15 Feb Spirit Airlines
24 Jan - 08 Feb Spirit Airlines
01 Jan - 16 Jan Spirit Airlines
01 Jan - 17 Jan Spirit Airlines
14 Jan - 16 Jan Spirit Airlines
14 Jan - 17 Jan Spirit Airlines
23 Jan - 08 Feb Spirit Airlines
19 Jan - 08 Feb Spirit Airlines

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

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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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