Cheapest return flights from Lisbon to Riga in August from $270

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

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

Return flights

29 Aug - 30 Aug Ryanair
25 Aug - 30 Aug Ryanair
31 Aug - 02 Sep Ryanair
28 Aug - 02 Sep Lufthansa
29 Aug - 04 Sep Ryanair
30 Aug - 05 Sep Ryanair
04 Aug - 05 Sep KLM
30 Aug - 01 Sep Ryanair
25 Aug - 05 Sep Ryanair
23 Aug - 29 Aug Finnair
24 Aug - 30 Aug Ryanair
18 Aug - 23 Aug Finnair
04 Aug - 08 Aug Finnair
04 Aug - 05 Sep TAP direct
18 Aug - 23 Aug TAP direct
04 Aug - 08 Aug airBaltic direct

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

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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