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

Return flights

01 Sep - 08 Sep	Austrian Airlines
09 Sep - 16 Sep	Lufthansa
08 Sep - 15 Sep	Austrian Airlines
03 Sep - 12 Sep	Austrian Airlines
03 Sep - 09 Sep	Austrian Airlines
28 Sep - 08 Oct	SWISS
15 Sep - 22 Sep	Austrian Airlines
30 Sep - 13 Oct	SWISS
29 Sep - 09 Oct	Lufthansa
29 Sep - 10 Oct	Lufthansa
30 Sep - 14 Oct	Lufthansa
22 Sep - 29 Sep	Austrian Airlines
14 Sep - 21 Sep	SWISS
10 Sep - 17 Sep	Lufthansa
30 Sep - 11 Oct	Lufthansa
11 Sep - 18 Sep	SWISS
26 Sep - 18 Oct	Scandinavian Airlines
25 Sep - 12 Oct	Austrian Airlines

Also check the deals for one-way flights from New York to Split 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 Split in September from 337€

Return flights