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

Return flights

25 May - 29 May	Volaris	direct
10 May - 15 May	Volaris	direct
24 May - 30 May	Volaris	direct
02 May - 08 May	Viva
05 May - 08 May	Viva
09 May - 16 May	Avianca
14 May - 18 May	Avianca
24 May - 28 May	Avianca
02 May - 09 May	Avianca
19 May - 26 May	Avianca
26 May - 08 Jun	Viva
23 May - 08 Jun	Viva
19 May - 08 Jun	Viva
31 May - 05 Jun	Volaris Costa Rica
31 May - 05 Jun	Volaris	direct
26 May - 12 Jun	Viva
23 May - 12 Jun	Viva
26 May - 04 Jun	Viva
23 May - 04 Jun	Viva
19 May - 04 Jun	Viva

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 175€

Return flights