Every São Paulo–Hanoi fare we track, measured against the route's typical price whenever there is enough cached history to build one. Subscribe in any RSS reader for free single-route price alerts — no account, no email needed.https://flight.dealsen-ushttps://flight.deals/flights/sao-paulo-to-hanoi/#2027-01-05-2027-01-24-CAhttps://flight.deals/flights/sao-paulo-to-hanoi/#2027-01-05-2027-01-24-CASAO → HAN round-trip on Air China, 2027-01-05 to 2027-01-24 (19 nights). Cached fare $1,973. Not enough cached history on this route yet to say what it usually costs.Sat, 15 Aug 2026 22:25:30 GMT