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

Return flights

30 Aug - 28 Sep	Iberia
31 Aug - 13 Sep	Delta
21 Aug - 13 Sep	Delta
23 Aug - 06 Sep	Delta
22 Aug - 05 Sep	Delta
19 Aug - 03 Sep	Delta
31 Aug - 06 Sep	Delta
16 Aug - 01 Sep	Delta
27 Aug - 19 Sep	Avianca
21 Aug - 28 Aug	Air Transat
24 Aug - 31 Aug	Air Transat
14 Aug - 28 Aug	Air Transat
26 Aug - 09 Sep	Avianca
18 Aug - 30 Aug	Air France
07 Aug - 28 Aug	Air Transat
10 Aug - 24 Aug	Air Transat
18 Aug - 28 Aug	Avianca
17 Aug - 23 Aug	Avianca
16 Aug - 29 Aug	Avianca
22 Aug - 29 Aug	Avianca

Also check the deals for one-way flights from Paris to San Jose in August.

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 August from 682€

Return flights