AirHint found the following cheapest return flights from Los Angeles (LAX) to Oslo (OSL) in September 2026 (see full year).

Return flights

28 Sep - 05 Oct	Scandinavian Airlines
29 Sep - 06 Oct	Scandinavian Airlines
08 Sep - 15 Sep	Scandinavian Airlines
30 Sep - 07 Oct	Scandinavian Airlines
01 Sep - 07 Sep	British Airways
07 Sep - 14 Sep	Air France
14 Sep - 21 Sep	Air France
02 Sep - 09 Sep	Air France
09 Sep - 16 Sep	Air France
01 Sep - 08 Sep	KLM
15 Sep - 22 Sep	Air France
21 Sep - 28 Sep	Air France
22 Sep - 29 Sep	Air France
27 Sep - 04 Oct	Air France
24 Sep - 01 Oct	KLM
25 Sep - 02 Oct	British Airways
26 Sep - 03 Oct	British Airways

Also check the deals for one-way flights from Los Angeles to Oslo in September.

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 Los Angeles to Oslo in September from $499

Return flights