AirHint found the following cheapest one-way flights from Seoul (GMP) to Hanoi (HAN) in May 2026 (see full year).
One-Way flights
| 12 May | Jeju Air | ||
| 11 May | Jeju Air | ||
| 20 May | Jeju Air | ||
| 07 May | Jeju Air | ||
| 18 May | Jeju Air | ||
| 21 May | Jeju Air | ||
| 19 May | Jeju Air | ||
| 28 May | Jeju Air | ||
| 25 May | Jeju Air | ||
| 06 May | Jeju Air |
Also check the deals for return flights from Seoul to Hanoi in May.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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