AirHint found the following cheapest return flights from San Diego (SAN) to Oslo (OSL) in May 2026 (see full year).

Return flights

12 May - 19 May	Scandinavian Airlines
05 May - 12 May	Scandinavian Airlines
13 May - 20 May	Scandinavian Airlines
01 May - 08 May	Scandinavian Airlines
02 May - 09 May	Scandinavian Airlines
09 May - 16 May	Scandinavian Airlines
16 May - 23 May	Scandinavian Airlines
04 May - 11 May	Lufthansa
06 May - 13 May	Lufthansa
11 May - 18 May	Lufthansa
28 May - 04 Jun	Lufthansa

Also check the deals for one-way flights from San Diego to Oslo in May.

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 San Diego to Oslo in May from 394€

Return flights