Cheapest return flights from Newark to Oslo in September from 353€

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

Return flights

04 Sep - 11 Sep SWISS
12 Sep - 17 Sep SWISS
01 Sep - 09 Sep SWISS
01 Sep - 08 Sep Austrian Airlines
08 Sep - 15 Sep Austrian Airlines
03 Sep - 07 Sep Icelandair
13 Sep - 18 Sep Icelandair
11 Sep - 18 Sep SWISS
01 Sep - 05 Sep SWISS
15 Sep - 29 Sep Scandinavian Airlines
24 Sep - 05 Oct Scandinavian Airlines

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

Skyscanner

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.

Book a cheap hotel in Oslo

Cheap car rent in Oslo

Feel free to contact us with any feedback or request another flight research.