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

Return flights

27 Mar - 30 Mar	Ryanair
25 Mar - 30 Mar	Ryanair
23 Mar - 30 Mar	Ryanair
23 Mar - 24 Mar	Ryanair
02 Mar - 02 Mar	Ryanair
02 Mar - 06 Mar	Ryanair
23 Mar - 28 Mar	Ryanair
24 Mar - 27 Mar	airBaltic
27 Mar - 28 Mar	Ryanair
30 Mar - 04 Apr	Ryanair
25 Mar - 28 Mar	Ryanair
31 Mar - 07 Apr	Lufthansa
31 Mar - 07 Apr	airBaltic	direct

Also check the deals for one-way flights from Riga to Sofia 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 Sofia in March from 86€

Return flights