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

Return flights

08 May - 23 May	Delta
12 May - 23 May	FrenchBee
22 May - 29 May	Air Transat
18 May - 15 Jun	Air Transat
08 May - 22 May	Avianca
15 May - 01 Jun	Air Transat
01 May - 10 May	Ryanair
09 May - 24 May	Avianca
14 May - 31 May	Avianca
19 May - 22 Jun	Avianca
30 May - 13 Jun	KLM
30 May - 06 Jun	KLM
01 May - 15 May	Air Transat
16 May - 23 May	KLM
29 May - 31 May	Air Canada
23 May - 01 Jun	Aer Lingus
31 May - 14 Jun	Iberia
31 May - 14 Jun	Air France	direct
15 May - 01 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 $845

Return flights