AirHint found the following cheapest one-way flights from New York (LGA) to Milano (MXP) in September 2025 (see full year).

One-Way flights

08 Sep	Frontier Airlines
12 Sep	Frontier Airlines
06 Sep	Frontier Airlines
23 Sep	Lufthansa
01 Sep	Air France
11 Sep	Air France
09 Sep	KLM
24 Sep	Spirit Airlines
07 Sep	Lufthansa
21 Sep	Spirit Airlines

Also check the deals for return flights from New York to Milano 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 one-way flights from New York to Milano in September from 193€

One-Way flights