Cheapest return flights from San Francisco to Oslo in September from $522

AirHint found the following cheapest return flights from San Francisco (SFO) to Oslo (OSL) in September 2025 (see full year).

Return flights

23 Sep - 29 Sep Scandinavian Airlines
16 Sep - 23 Sep Lufthansa
09 Sep - 16 Sep Lufthansa
10 Sep - 17 Sep Lufthansa
30 Sep - 07 Oct Lufthansa
24 Sep - 01 Oct Lufthansa
15 Sep - 22 Sep Lufthansa
11 Sep - 18 Sep Lufthansa
25 Sep - 02 Oct Lufthansa
12 Sep - 19 Sep Scandinavian Airlines
14 Sep - 21 Sep Lufthansa
23 Sep - 30 Sep Lufthansa
17 Sep - 11 Oct British Airways
22 Sep - 29 Sep Lufthansa
28 Sep - 05 Oct Lufthansa
26 Sep - 03 Oct Lufthansa

Also check the deals for one-way flights from San Francisco to Oslo in September.

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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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