AirHint found the following cheapest one-way flights from Seoul (GMP) to Honolulu (HNL) in April 2026 (see full year).
One-Way flights
| 15 Apr | Asiana Airlines | ||
| 29 Apr | EVA Air | ||
| 02 Apr | ANA | ||
| 30 Apr | ANA |
Also check the deals for return flights from Seoul to Honolulu in April.
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