Cheapest return flights from Grand Rapids to San Juan in March from 242€

AirHint found the following cheapest return flights from Grand Rapids (GRR) to San Juan (SJU) in March 2026 (see full year).

Return flights

17 Mar - 24 Mar United
14 Mar - 19 Mar Frontier Airlines
21 Mar - 28 Mar Frontier Airlines
31 Mar - 07 Apr United
31 Mar - 08 Apr Allegiant Air
13 Mar - 19 Mar Allegiant Air
20 Mar - 29 Mar Allegiant Air
07 Mar - 14 Mar Southwest Airlines
26 Mar - 30 Mar Allegiant Air
28 Mar - 04 Apr Allegiant Air
28 Mar - 02 Apr Southwest Airlines
29 Mar - 04 Apr Southwest Airlines
28 Mar - 03 Apr Southwest Airlines

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