AirHint found the following cheapest return flights from Sao Paulo (GRU) to Hanoi (HAN) in May 2026 (see full year).
Return flights
| 05 May - 19 May | Qatar Airways | ||
| 06 May - 13 May | Qatar Airways | ||
| 15 May - 04 Jun | Air France | ||
| 01 May - 12 May | Avianca |
Also check the deals for one-way flights from Sao Paulo to Hanoi in May.
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