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

Return flights

03 Sep - 10 Sep	Norwegian Air Sweden AOC
02 Sep - 05 Sep	LOT
19 Sep - 22 Sep	airBaltic	direct
19 Sep - 21 Sep	airBaltic	direct
15 Sep - 18 Sep	airBaltic	direct
04 Sep - 08 Sep	airBaltic	direct
02 Sep - 13 Sep	airBaltic	direct
19 Sep - 07 Oct	airBaltic	direct
01 Sep - 05 Sep	LOT
08 Sep - 12 Sep	easyJet
11 Sep - 14 Sep	airBaltic	direct
30 Sep - 07 Oct	airBaltic	direct
27 Sep - 01 Oct	easyJet
30 Sep - 06 Oct	airBaltic	direct
29 Sep - 07 Oct	airBaltic	direct
29 Sep - 06 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 145€

Return flights