AirHint found the following cheapest return flights from Riga (RIX) to Lisbon (LIS) in January 2026 (see full year).

Return flights

24 Jan - 07 Feb	Ryanair
31 Jan - 07 Feb	Ryanair
24 Jan - 31 Jan	Ryanair
27 Jan - 06 Feb	Ryanair
17 Jan - 01 Feb	Ryanair
12 Jan - 19 Jan	Ryanair
17 Jan - 24 Jan	Ryanair
22 Jan - 31 Jan	Ryanair
25 Jan - 31 Jan	Ryanair
26 Jan - 06 Feb	Ryanair
11 Jan - 15 Jan	Ryanair
22 Jan - 29 Jan	Ryanair
16 Jan - 01 Feb	Ryanair
10 Jan - 17 Jan	LOT
06 Jan - 09 Jan	LOT
09 Jan - 13 Jan	LOT
28 Jan - 07 Feb	Ryanair
31 Jan - 07 Feb	airBaltic	direct
24 Jan - 07 Feb	airBaltic	direct

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

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Riga to Lisbon in January from 131€

Return flights