Cheapest return flights from Oslo to San Jose in December from 1113€

AirHint found the following cheapest return flights from Oslo (OSL) to San Jose (SJO) in December 2026 (see full year).

Return flights

19 Dec - 29 Dec Ryanair
19 Dec - 30 Dec Ryanair
18 Dec - 30 Dec Ryanair
19 Dec - 31 Dec Ryanair
18 Dec - 31 Dec Ryanair
19 Dec - 01 Jan Ryanair
19 Dec - 03 Jan Ryanair
18 Dec - 01 Jan Ryanair
25 Dec - 15 Jan Air France
19 Dec - 02 Jan Ryanair
18 Dec - 02 Jan Iberia

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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