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

Return flights

01 Sep - 04 Sep	Norwegian
27 Sep - 30 Sep	airBaltic	direct
24 Sep - 29 Sep	airBaltic	direct
24 Sep - 30 Sep	airBaltic	direct
25 Sep - 30 Sep	airBaltic	direct
05 Sep - 08 Sep	airBaltic	direct
01 Sep - 04 Sep	airBaltic	direct
10 Sep - 12 Sep	airBaltic	direct
26 Sep - 28 Sep	airBaltic	direct
03 Sep - 11 Sep	airBaltic	direct
17 Sep - 30 Oct	airBaltic	direct
30 Sep - 04 Oct	Air France	direct

Also check the deals for one-way flights from Paris 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 Paris to Riga in September from 151€

Return flights