Cheapest return flights from Detroit to San Juan in July from $257

Best time to book flights for Detroit (DTW) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Detroit (DTW) to San Juan (SJU) in July 2025 (see full year).

Return flights

07 Jul - 10 Jul Spirit Airlines
06 Jul - 11 Jul Spirit Airlines
08 Jul - 11 Jul Spirit Airlines
07 Jul - 13 Jul Spirit Airlines
10 Jul - 13 Jul Spirit Airlines direct
09 Jul - 12 Jul Spirit Airlines
08 Jul - 11 Jul Delta direct
09 Jul - 13 Jul Spirit Airlines
09 Jul - 13 Jul Delta direct
09 Jul - 12 Jul Delta direct

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

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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