AirHint found the following cheapest return flights from New York (NYC) to Sandefjord (TRF) in September 2025 (see full year).

Return flights

27 Sep - 07 Oct	Norse Atlantic Airways (UK)
23 Sep - 18 Oct	TAP
26 Sep - 05 Oct	Lufthansa
29 Sep - 08 Oct	SWISS
21 Sep - 25 Sep	Norse Atlantic Airways (UK)
19 Sep - 24 Sep	Norse Atlantic Airways (UK)
27 Sep - 04 Oct	Norse Atlantic Airways (UK)
21 Sep - 11 Oct	Condor
28 Sep - 18 Oct	Norse Atlantic Airways (UK)
26 Sep - 28 Sep	Lufthansa
17 Sep - 21 Sep	Norse Atlantic Airways (UK)
20 Sep - 23 Sep	Norse Atlantic Airways (UK)
18 Sep - 25 Sep	Norse Atlantic Airways (UK)
22 Sep - 23 Sep	Icelandair

Also check the deals for one-way flights from New York to Sandefjord 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 New York to Sandefjord in September from $583

Return flights