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

Return flights

10 Sep - 28 Sep	Ryanair
13 Sep - 19 Sep	LOT
12 Sep - 18 Sep	LOT
20 Sep - 03 Oct	LOT
27 Sep - 03 Oct	LOT
11 Sep - 18 Sep	LOT
12 Sep - 22 Sep	LOT
29 Sep - 06 Oct	LOT
22 Sep - 06 Oct	LOT
29 Sep - 09 Oct	LOT
09 Sep - 19 Sep	LOT
13 Sep - 23 Sep	LOT
19 Sep - 29 Sep	LOT
29 Sep - 08 Oct	LOT
04 Sep - 11 Sep	Norwegian Air Sweden AOC
15 Sep - 28 Sep	LOT

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 $461

Return flights