Cheapest one-way flights from Riga to Lisbon in September from $110

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

AirHint found the following cheapest one-way flights from Riga (RIX) to Lisbon (LIS) in September 2025 (see full year).

One-Way flights

29 Sep Norwegian Air Sweden AOC
20 Sep Ryanair
11 Sep Lufthansa
08 Sep Ryanair
12 Sep British Airways
05 Sep Norwegian Air Sweden AOC
10 Sep Ryanair
05 Sep airBaltic direct
12 Sep airBaltic direct
08 Sep airBaltic direct

Also check the deals for return flights from Riga to Lisbon in September.

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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