Cheapest return flights from Oslo to San Jose in December from $1307

AirHint found the following cheapest return flights from Oslo (OSL) to San Jose (SJO) in December 2025 (see full year).

Return flights

28 Dec - 12 Jan Air France
29 Dec - 29 Dec Air France
16 Dec - 04 Jan KLM
22 Dec - 01 Jan KLM
26 Dec - 05 Jan Lufthansa
16 Dec - 06 Jan KLM
25 Dec - 10 Jan Air France
25 Dec - 05 Jan Air France
17 Dec - 03 Jan British Airways
17 Dec - 02 Jan KLM
20 Dec - 04 Jan KLM

Also check the deals for one-way flights from Oslo to San Jose in December.

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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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