AirHint found the following cheapest one-way flights from Seoul (GMP) to Hanoi (HAN) in August 2026 (see full year).
One-Way flights
| 20 Aug | Jeju Air | ||
| 18 Aug | Jeju Air | ||
| 17 Aug | Jeju Air | ||
| 19 Aug | Jeju Air | ||
| 29 Aug | Jeju Air | ||
| 04 Aug | Air Busan | ||
| 21 Aug | Jeju Air | ||
| 28 Aug | Jeju Air | ||
| 14 Aug | Jeju Air | ||
| 07 Aug | Jeju Air |
Also check the deals for return flights from Seoul to Hanoi in August.
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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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