Cheapest return NYC–OSL flights, September

AirHint found the following cheapest return flights from New York (NYC) to Oslo (OSL) in September 2026 (see full year).

Return flights

05 Sep - 12 Sep Icelandair
09 Sep - 16 Sep Scandinavian Airlines direct
25 Sep - 29 Sep Icelandair
02 Sep - 09 Sep Icelandair
03 Sep - 23 Sep Icelandair
05 Sep - 19 Sep Icelandair
15 Sep - 22 Sep Scandinavian Airlines
14 Sep - 21 Sep Scandinavian Airlines direct
08 Sep - 22 Sep Scandinavian Airlines
23 Sep - 04 Oct Icelandair
10 Sep - 17 Sep Scandinavian Airlines direct
29 Sep - 06 Oct Scandinavian Airlines direct

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

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