Cheapest return flights from Newark to Oslo in September from $534

Best time to book flights for Newark (EWR) to Oslo (OSL) flights at AirHint

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 Scandinavian Airlines
05 Sep - 15 Sep Scandinavian Airlines direct
06 Sep - 19 Sep Icelandair
06 Sep - 19 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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