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

Return flights

14 May - 21 May	Volaris	direct
25 May - 03 Jun	Copa
20 May - 27 May	Volaris Costa Rica	direct
18 May - 25 May	Copa
21 May - 28 May	Avianca
19 May - 23 May	Avianca
11 May - 26 May	Viva
11 May - 23 May	Viva
17 May - 24 May	Volaris
15 May - 26 May	Viva
15 May - 23 May	Viva
01 May - 30 Jun	Avianca
22 May - 09 Jun	Viva
15 May - 02 Jun	Viva
25 May - 03 Jun	Volaris Costa Rica	direct
22 May - 02 Jun	Viva
18 May - 02 Jun	Viva
24 May - 09 Jun	Viva
24 May - 02 Jun	Viva
31 May - 09 Jun	Viva

Also check the deals for one-way flights from Cancun to San Jose 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 Cancun to San Jose in May from 193€

Return flights