Cheapest return flights from Grand Rapids to San Juan in July from $280

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

Return flights

24 Jul - 29 Jul Allegiant Air
25 Jul - 31 Jul Frontier Airlines
25 Jul - 29 Jul Frontier Airlines

Also check the deals for one-way flights from Grand Rapids 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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