AirHint found the following cheapest return flights from Sao Paulo (GRU) to Sofia (SOF) in May 2026 (see full year).
Return flights
| 18 May - 03 Jun | Avianca | ||
| 20 May - 27 May | Avianca | ||
| 21 May - 31 May | Avianca | ||
| 18 May - 27 May | TAP |
Also check the deals for one-way flights from Sao Paulo to Sofia in May.
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