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

Return flights

08 Sep - 15 Sep	Air Canada
16 Sep - 23 Sep	Delta
30 Sep - 07 Oct	Delta
01 Sep - 15 Sep	Air Canada
02 Sep - 16 Sep	Delta
22 Sep - 29 Sep	Delta
25 Sep - 02 Oct	Delta
26 Sep - 03 Oct	Delta
29 Sep - 06 Oct	Delta
17 Sep - 24 Sep	Delta
15 Sep - 22 Sep	Delta
21 Sep - 28 Sep	Delta
28 Sep - 05 Oct	Delta
07 Sep - 14 Sep	Delta
27 Sep - 04 Oct	Delta
17 Sep - 22 Sep	Air Canada

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 $434

Return flights