AirHint found the following cheapest return flights from Singapore (SIN) to Haikou (HAK) in June 2026 (see full year).
Return flights
| 06 Jun - 06 Jun | Hainan Airlines | direct | |
| 06 Jun - 13 Jun | Scoot | direct | |
| 21 Jun - 26 Jun | Cathay Pacific | ||
| 02 Jun - 08 Jun | Cathay Pacific | ||
| 01 Jun - 05 Jun | China Southern |
Also check the deals for one-way flights from Singapore to Haikou in June.
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