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

Return flights

02 May - 08 May	Viva
05 May - 08 May	Viva
02 May - 11 May	Viva
05 May - 11 May	Viva
15 May - 23 May	Copa
05 May - 10 May	Copa
24 May - 28 May	Copa
01 May - 04 May	Copa
22 May - 26 May	Copa
01 May - 01 May	Copa

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

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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Cheapest return flights from San Jose to Cancun in May from $230

Return flights