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

Return flights

10 May - 27 May	Volaris	direct
01 May - 08 May	Volaris	direct
11 May - 26 May	Viva
15 May - 26 May	Viva
11 May - 23 May	Viva
15 May - 23 May	Viva
11 May - 30 May	Viva
15 May - 30 May	Viva
25 May - 30 May	Viva
18 May - 23 May	Viva
25 May - 06 Jun	Viva
15 May - 02 Jun	Viva
25 May - 02 Jun	Viva
18 May - 06 Jun	Viva
18 May - 02 Jun	Viva
25 May - 13 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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Cheapest return flights from Cancun to San Jose in May from $195

Return flights