Cheapest one-way DTW–SJU flights, May

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

One-Way flights

31 May jetBlue
30 May Frontier Airlines
12 May Frontier Airlines
10 May Frontier Airlines
29 May Frontier Airlines
14 May Frontier Airlines
31 May Delta direct
30 May Delta direct
07 May Frontier Airlines
12 May Delta direct

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

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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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