AirHint found the following cheapest return flights from Riga (RIX) to New York (JFK) in September 2025 (see full year).

Return flights

12 Sep - 21 Sep	LOT
12 Sep - 19 Sep	LOT
17 Sep - 28 Sep	Finnair
16 Sep - 27 Sep	Finnair
12 Sep - 20 Sep	Finnair
13 Sep - 27 Sep	Finnair
22 Sep - 28 Sep	Finnair
04 Sep - 07 Sep	Finnair
14 Sep - 23 Sep	Finnair
09 Sep - 16 Sep	Finnair
30 Sep - 14 Oct	Finnair
22 Sep - 22 Oct	Finnair
30 Sep - 12 Oct	Finnair
29 Sep - 11 Oct	Finnair

Also check the deals for one-way flights from Riga to New York 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 Riga to New York in September from $460

Return flights