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

Return flights

17 Apr - 25 Apr	Viva
17 Apr - 28 Apr	Viva
17 Apr - 02 May	Viva
24 Apr - 28 Apr	Viva
24 Apr - 02 May	Viva
24 Apr - 09 May	Viva
17 Apr - 05 May	Viva
24 Apr - 12 May	Viva
24 Apr - 05 May	Viva
27 Apr - 16 May	Viva
27 Apr - 02 May	Viva
27 Apr - 09 May	Viva
22 Apr - 13 May	Copa
09 Apr - 16 Apr	Copa
10 Apr - 25 Apr	Viva
10 Apr - 28 Apr	Viva
10 Apr - 14 Apr	Viva
19 Apr - 25 Apr	Viva
19 Apr - 28 Apr	Viva
03 Apr - 14 Apr	Viva

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

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 April from $241

Return flights