Cheapest return flights from Cancun to San Juan in May from $294

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

Return flights

07 May - 18 May Spirit Airlines
14 May - 17 May Spirit Airlines
04 May - 17 May Spirit Airlines
18 May - 29 May Spirit Airlines
18 May - 01 Jun Spirit Airlines
14 May - 29 May Spirit Airlines
14 May - 01 Jun Spirit Airlines
18 May - 31 May Spirit Airlines
14 May - 31 May Spirit Airlines
25 May - 30 May Copa
23 May - 30 May Copa
16 May - 24 May Copa
29 May - 08 Jun Copa
29 May - 01 Jun Spirit Airlines
18 May - 02 Jun Spirit Airlines
14 May - 02 Jun Spirit Airlines
16 May - 01 Jun Spirit Airlines
15 May - 01 Jun Spirit Airlines
29 May - 02 Jun Spirit Airlines
17 May - 01 Jun Spirit Airlines

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

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