Cheapest return flights from Detroit to San Juan in January from 143€

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

Return flights

07 Jan - 16 Jan Spirit Airlines direct
07 Jan - 23 Jan Spirit Airlines direct
26 Jan - 31 Jan Spirit Airlines direct
26 Jan - 07 Feb Spirit Airlines direct
24 Jan - 31 Jan Spirit Airlines direct
24 Jan - 07 Feb Spirit Airlines direct
26 Jan - 14 Feb Spirit Airlines direct
21 Jan - 28 Jan Delta
02 Jan - 16 Jan Spirit Airlines
02 Jan - 23 Jan Spirit Airlines
03 Jan - 16 Jan Spirit Airlines
03 Jan - 23 Jan Spirit Airlines
05 Jan - 16 Jan Spirit Airlines
19 Jan - 07 Feb Spirit Airlines
23 Jan - 07 Feb Spirit Airlines
26 Jan - 10 Feb Spirit Airlines
26 Jan - 15 Feb Spirit Airlines
26 Jan - 04 Feb Spirit Airlines
26 Jan - 09 Feb Spirit Airlines
26 Jan - 08 Feb Spirit Airlines

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

Skyscanner

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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