Cheapest return flights from Riga to Lisbon in December from 166€

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

Return flights

07 Dec - 10 Dec Ryanair
13 Dec - 13 Dec Ryanair
15 Dec - 21 Dec Ryanair
15 Dec - 19 Dec Ryanair
22 Dec - 25 Dec airBaltic
23 Dec - 30 Dec Ryanair
25 Dec - 01 Jan airBaltic direct
20 Dec - 27 Dec Lufthansa
20 Dec - 27 Dec airBaltic direct

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

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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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