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

Return flights

02 Mar - 08 Mar	Ryanair
14 Mar - 17 Mar	Ryanair
07 Mar - 10 Mar	Ryanair
17 Mar - 21 Mar	Ryanair
03 Mar - 07 Mar	Ryanair
14 Mar - 21 Mar	Ryanair
05 Mar - 07 Mar	Ryanair
11 Mar - 18 Mar	Ryanair
03 Mar - 19 Mar	Ryanair
03 Mar - 08 Mar	Ryanair
19 Mar - 04 Apr	Ryanair
30 Mar - 04 Apr	Ryanair
30 Mar - 03 Apr	Lufthansa
27 Mar - 01 Apr	Ryanair
30 Mar - 03 Apr	airBaltic	direct
19 Mar - 04 Apr	TAP	direct
30 Mar - 04 Apr	TAP	direct

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

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 Riga to Lisbon in March from $146

Return flights