Cheapest one-way flights from Detroit to San Juan in March from 144€

AirHint found the following cheapest one-way flights from Detroit (DTW) to San Juan (SJU) in March 2026 (see full year).

One-Way flights

30 Mar Spirit Airlines
31 Mar Spirit Airlines
21 Mar Frontier Airlines
23 Mar Spirit Airlines
25 Mar Spirit Airlines
26 Mar Spirit Airlines
31 Mar Delta direct
27 Mar Spirit Airlines
30 Mar Delta direct
25 Mar Delta direct

Also check the deals for return flights from Detroit to San Juan in March.

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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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