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

Return flights

01 Sep - 06 Sep	British Airways
12 Sep - 19 Sep	British Airways
13 Sep - 20 Sep	British Airways
14 Sep - 21 Sep	British Airways
19 Sep - 26 Sep	British Airways
23 Sep - 29 Sep	Finnair
10 Sep - 19 Sep	Finnair
07 Sep - 14 Sep	KLM
17 Sep - 24 Sep	KLM
22 Sep - 29 Sep	KLM
24 Sep - 01 Oct	British Airways
28 Sep - 05 Oct	British Airways
30 Sep - 07 Oct	British Airways
25 Sep - 02 Oct	British Airways
27 Sep - 04 Oct	British Airways
26 Sep - 03 Oct	British Airways

Also check the deals for one-way flights from Oslo to New York 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 Oslo to New York in September from 369€

Return flights