Cheapest return flights from Newark to Oslo in September from $440

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

Return flights

24 Sep - 01 Oct Icelandair
30 Sep - 07 Oct Lufthansa
23 Sep - 30 Sep Icelandair
29 Sep - 06 Oct Austrian Airlines
24 Sep - 18 Oct SWISS
22 Sep - 18 Oct SWISS
28 Sep - 05 Oct Lufthansa
21 Sep - 11 Oct Scandinavian Airlines
22 Sep - 29 Sep Austrian Airlines
22 Sep - 24 Sep SWISS
20 Sep - 27 Sep Scandinavian Airlines
26 Sep - 18 Oct Scandinavian Airlines
24 Sep - 18 Oct Scandinavian Airlines direct
25 Sep - 02 Oct Lufthansa
24 Sep - 28 Sep Scandinavian Airlines
23 Sep - 26 Sep Lufthansa
22 Sep - 24 Sep Scandinavian Airlines direct

Also check the deals for one-way flights from Newark 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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