AirHint found the following cheapest return flights from Riga (RIX) to Prague (PRG) in December 2025 (see full year).

Return flights

11 Dec - 14 Dec	Ryanair	direct
04 Dec - 14 Dec	Ryanair	direct
07 Dec - 14 Dec	Ryanair	direct
18 Dec - 21 Dec	Ryanair	direct
11 Dec - 21 Dec	Ryanair	direct
04 Dec - 21 Dec	Ryanair	direct
07 Dec - 21 Dec	Ryanair	direct
30 Dec - 04 Jan	airBaltic	direct
23 Dec - 26 Dec	airBaltic	direct

Also check the deals for one-way flights from Riga to Prague in December.

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 Prague in December from $100

Return flights