AirHint found the following cheapest return flights from Oslo (OSL) to San Jose (SJO) in March 2026 (see full year).
Return flights
| 07 Mar - 24 Mar | Ryanair | ||
| 25 Mar - 11 Apr | Finnair | ||
| 27 Mar - 31 Mar | Icelandair | ||
| 25 Mar - 26 Mar | Air France | ||
| 25 Mar - 27 Mar | KLM | ||
| 25 Mar - 25 Mar | KLM |
Also check the deals for one-way flights from Oslo to San Jose in March.
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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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