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

Return flights

24 Sep - 01 Oct	Lufthansa
30 Sep - 07 Oct	easyJet
12 Sep - 14 Sep	Ryanair
29 Sep - 04 Oct	Ryanair
05 Sep - 07 Sep	Norwegian Air Sweden AOC
27 Sep - 30 Sep	Lufthansa
27 Sep - 01 Oct	Lufthansa
29 Sep - 03 Oct	Ryanair
17 Sep - 24 Sep	Lufthansa
24 Sep - 27 Sep	Ryanair
29 Sep - 02 Oct	Ryanair
06 Sep - 08 Sep	Norwegian Air Sweden AOC
27 Sep - 28 Sep	Air France
03 Sep - 10 Sep	Norwegian Air Sweden AOC
22 Sep - 27 Sep	easyJet
03 Sep - 06 Sep	Norwegian Air Sweden AOC
27 Sep - 02 Oct	Ryanair
28 Sep - 03 Oct	easyJet
28 Sep - 02 Oct	easyJet
27 Sep - 01 Oct	airBaltic	direct

Also check the deals for one-way flights from Nice to Riga 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 Nice to Riga in September from 177€

Return flights