AirHint found the following cheapest return flights from Riga (RIX) to Sofia (SOF) in July 2025 (see full year).

Return flights

18 Jul - 25 Jul	Ryanair
03 Jul - 10 Jul	Ryanair
31 Jul - 04 Aug	Ryanair
05 Jul - 08 Jul	Ryanair
02 Jul - 07 Jul	Ryanair
03 Jul - 06 Jul	Ryanair
18 Jul - 21 Jul	LOT
05 Jul - 12 Jul	Ryanair
19 Jul - 22 Jul	LOT
12 Jul - 19 Jul	Turkish Airlines
19 Jul - 26 Jul	LOT

Also check the deals for one-way flights from Riga to Sofia in July.

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 July from $246

Return flights