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

Return flights

04 May - 17 May	Iberia
02 May - 09 May	Iberia
06 May - 11 May	Air Europa
01 May - 17 May	Iberia
10 May - 25 May	Transavia France
20 May - 31 May	Air Europa
08 May - 14 May	FrenchBee
17 May - 25 May	Avianca
04 May - 20 May	Avianca
06 May - 18 May	Ryanair
29 May - 06 Jun	Iberia
30 May - 13 Jun	Iberia
26 May - 06 Jun	KLM
27 May - 07 Jun	Iberia
29 May - 06 Jun	Air France	direct
27 May - 07 Jun	Air France	direct

Also check the deals for one-way flights from Paris 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 Paris to San Jose in May from $797

Return flights