Cheapest return flights from Riga to Lisbon in October from $221

Best time to book flights for Riga (RIX) to Lisbon (LIS) flights at AirHint

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

Return flights

25 Oct - 31 Oct Lufthansa
06 Oct - 08 Oct Ryanair
21 Oct - 28 Oct Lufthansa
06 Oct - 14 Oct Ryanair
06 Oct - 18 Oct Ryanair
20 Oct - 28 Oct Lufthansa
20 Oct - 23 Oct Lufthansa
05 Oct - 11 Oct Ryanair
14 Oct - 16 Oct Ryanair
04 Oct - 11 Oct Ryanair
25 Oct - 01 Nov Lufthansa
25 Oct - 01 Nov TAP direct
24 Oct - 01 Nov LOT
24 Oct - 01 Nov TAP direct

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

Skyscanner

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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