Cheapest return flights from New York to Ljubljana in September from 376€

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

Return flights

16 Sep - 23 Sep Air Canada
10 Sep - 17 Sep Delta
02 Sep - 09 Sep Delta
17 Sep - 24 Sep Delta
04 Sep - 11 Sep Air Canada
09 Sep - 14 Sep Delta
03 Sep - 11 Sep Delta
28 Sep - 05 Oct Air France
01 Sep - 08 Sep Delta
12 Sep - 19 Sep Delta
08 Sep - 15 Sep Air Canada
29 Sep - 06 Oct Air Canada
27 Sep - 04 Oct Air Canada
25 Sep - 02 Oct Delta

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

Skyscanner

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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