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

Return flights

26 Nov - 30 Nov	Ryanair
22 Nov - 27 Nov	Ryanair
23 Nov - 29 Nov	Ryanair
11 Nov - 15 Nov	Ryanair
18 Nov - 22 Nov	Ryanair
20 Nov - 27 Nov	Ryanair
11 Nov - 11 Dec	Ryanair
20 Nov - 23 Nov	Ryanair
24 Nov - 27 Nov	Ryanair
20 Nov - 30 Nov	Ryanair
11 Nov - 20 Nov	Ryanair
27 Nov - 01 Dec	Ryanair
27 Nov - 04 Dec	Ryanair
29 Nov - 01 Dec	Ryanair
28 Nov - 02 Dec	Ryanair
28 Nov - 01 Dec	Ryanair
27 Nov - 04 Dec	airBaltic	direct

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

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 Lisbon to Riga in November from 144€

Return flights