Cheapest return flights from San Juan to Cancun in May from $287

AirHint found the following cheapest return flights from San Juan (SJU) to Cancun (CUN) in May 2026 (see full year).

Return flights

22 May - 28 May Copa
06 May - 11 May Copa
29 May - 01 Jun Copa
18 May - 28 May Spirit Airlines
18 May - 01 Jun Spirit Airlines
18 May - 29 May Spirit Airlines
18 May - 02 Jun Spirit Airlines
05 May - 08 May Spirit Airlines
05 May - 07 May Spirit Airlines
19 May - 28 May Spirit Airlines
12 May - 28 May Spirit Airlines
14 May - 28 May Spirit Airlines
19 May - 01 Jun Spirit Airlines
19 May - 29 May Spirit Airlines
12 May - 01 Jun Spirit Airlines
28 May - 01 Jun Spirit Airlines
14 May - 01 Jun Spirit Airlines
19 May - 02 Jun Spirit Airlines
12 May - 02 Jun Spirit Airlines
28 May - 02 Jun Spirit Airlines

Also check the deals for one-way flights from San Juan to Cancun in May.

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