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Cheapest one-way flights from Detroit (DTW) to San Juan (SJU)

Click a month below to see all dates for that month.

All destinations from Detroit (DTW)

Lowest fare by month
Month	Price
August 2026	309 €
September 2026	81 €
November 2026	131 €
March 2027	252 €

deals for return flights from Detroit to San Juan.

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Updated Jul 19, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Detroit (DTW) to San Juan (SJU)

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