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

Return flights

23 Sep - 30 Sep	Delta
20 Sep - 25 Sep	Delta
19 Sep - 23 Sep	Lufthansa
18 Sep - 22 Sep	United
18 Sep - 04 Oct	United
26 Sep - 07 Oct	Scandinavian Airlines
08 Sep - 15 Sep	Scandinavian Airlines
21 Sep - 25 Sep	Scandinavian Airlines
15 Sep - 22 Sep	Scandinavian Airlines
19 Sep - 22 Sep	Scandinavian Airlines
16 Sep - 03 Oct	Emirates
19 Sep - 28 Sep	United
11 Sep - 18 Sep	Scandinavian Airlines

Also check the deals for one-way flights from New York to Stockholm 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 Stockholm in September from 456€

Return flights