Flight time from Seoul to Bangkok
A nonstop flight from Seoul (ICN) to Bangkok (BKK) takes about 5 h 40 min. Flying back from Bangkok to Seoul takes about 5 h 10 min. The two airports are 2,280 miles (3,669 km) apart.
| Route | Typical nonstop time | Leave 9:00 AM, land (local time) |
|---|---|---|
| ICN → BKK | 5h 40m | Seoul → 12:40 PM |
| BKK → ICN | 5h 10m | Bangkok → 4:10 PM |
Example arrival times are for a departure on November 18, 2026. Times are estimates of gate-to-gate block time, from the great-circle distance, typical jet cruising speeds, average upper-level winds and about 45 minutes for taxi, take-off, climb and landing. They are not airline schedules, and we don't track which airlines fly this route nonstop. Real flights vary by aircraft, routing, season and the day's wind; check your airline for the exact time.
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Time difference
Bangkok is 2 hours behind of Seoul right now. See the time now in Seoul and Bangkok, or compare them in the time zone converter.
The Bangkok to Seoul flight is usually quicker than Seoul to Bangkok. High-altitude winds, led by the jet stream, mostly blow from west to east, so planes heading east ride a tailwind and planes heading west fight a headwind. On busy routes the difference shows up in airline timetables every day.
Questions people ask
How long is the flight from Seoul to Bangkok?
A nonstop flight from Seoul (ICN) to Bangkok (BKK) takes about 5 h 40 min, gate to gate. The return flight takes about 5 h 10 min.
How far is Bangkok from Seoul?
2,280 miles (3,669 km) along the great-circle route, the shortest path over the Earth between ICN and BKK airports.
What is the time difference between Seoul and Bangkok?
Bangkok is 2 hours behind of Seoul right now. The difference can change by an hour during the year when one city changes its clocks for daylight saving time and the other does not.
If I leave Seoul at 9 a.m., when do I arrive in Bangkok?
Leaving Seoul at 9:00 AM on November 18, 2026, you would land in Bangkok at about 12:40 PM local time.
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Last updated October 21, 2026. Airport locations: OurAirports via airportsdata; time zones: IANA time zone database 2026.