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

Return flights

03 May - 09 May	Avianca
18 May - 23 May	Avianca	direct
01 May - 06 May	Avianca
02 May - 06 May	Avianca
09 May - 12 May	Avianca	direct
28 May - 02 Jun	Avianca
01 May - 05 May	Avianca
01 May - 01 May	Avianca
11 May - 21 May	Avianca	direct
01 May - 01 Jun	Avianca
11 May - 19 May	Viva
11 May - 16 May	Viva
21 May - 02 Jun	Viva
22 May - 02 Jun	Viva
28 May - 02 Jun	Avianca	direct
01 May - 01 Jun	Avianca	direct
14 May - 02 Jun	Viva
28 May - 06 Jun	Viva
21 May - 06 Jun	Viva
22 May - 06 Jun	Viva

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

Return flights