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

Return flights

19 Sep - 22 Sep	Ryanair
01 Sep - 05 Sep	Ryanair
05 Sep - 12 Sep	Ryanair
12 Sep - 15 Sep	airBaltic
05 Sep - 08 Sep	Ryanair
01 Sep - 05 Sep	airBaltic	direct
19 Sep - 22 Sep	airBaltic	direct
05 Sep - 12 Sep	airBaltic	direct
05 Sep - 08 Sep	airBaltic	direct
12 Sep - 15 Sep	airBaltic	direct

Also check the deals for one-way flights from Pisa 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 Pisa to Riga in September from $212

Return flights