Cheapest return GRU–SOF flights, May

AirHint found the following cheapest return flights from Sao Paulo (GRU) to Sofia (SOF) in May 2026 (see full year).

Return flights

17 May - 27 May KLM
05 May - 13 Jun LATAM Airlines Group
15 May - 18 May LATAM Airlines Group
23 May - 05 Jun Air Europa
03 May - 10 May ITA Airways

Also check the deals for one-way flights from Sao Paulo to Sofia in May.

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