Cheapest return flights from Warsaw to San Jose in September from 645€

AirHint found the following cheapest return flights from Warsaw (WAW) to San Jose (SJO) in September 2025 (see full year).

Return flights

17 Sep - 24 Sep Ryanair
15 Sep - 21 Sep Ryanair
30 Sep - 04 Oct Ryanair
25 Sep - 09 Oct Air France
15 Sep - 29 Sep KLM
26 Sep - 05 Oct Air Canada
08 Sep - 21 Sep Air Canada
13 Sep - 29 Sep KLM
14 Sep - 29 Sep Air France
08 Sep - 15 Sep Air France
06 Sep - 12 Sep LOT

Also check the deals for one-way flights from Warsaw to San Jose in September.

Skyscanner

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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