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

Return flights

23 Sep - 30 Sep	LOT
17 Sep - 21 Sep	Norwegian Air Sweden AOC
11 Sep - 18 Sep	Norwegian Air Sweden AOC
17 Sep - 06 Oct	LOT
16 Sep - 21 Sep	LOT
16 Sep - 23 Sep	Ryanair
23 Sep - 28 Sep	Norwegian Air Sweden AOC
30 Sep - 07 Oct	Ryanair
21 Sep - 28 Sep	Ryanair
14 Sep - 28 Sep	Ryanair
03 Sep - 07 Sep	Ryanair
24 Sep - 29 Sep	Ryanair
20 Sep - 01 Oct	LOT
29 Sep - 08 Oct	Norwegian Air Sweden AOC
18 Sep - 01 Oct	LOT
20 Sep - 05 Oct	Norwegian Air Sweden AOC
29 Sep - 09 Oct	airBaltic
25 Sep - 09 Oct	Lufthansa

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 426€

Return flights