Cheap flights from Bangkok to Seoul
Cheapest current fares: $133 in August 2026, 3,666 km direct flight in ~4h 19m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Bangkok (BKK) to Seoul (ICN). Refreshed daily.
Bangkok (BKK) → Seoul (ICN)
- August 2026 $133
- September 2026 $140
- July 2026 $142
- October 2026 $155
- June 2026 $159
- May 2026 $201
Frequently asked questions
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What is the cheapest month to fly from Bangkok to Seoul?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Bangkok (BKK) to Seoul (ICN), with fares starting from $133.
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What is the lowest current fare from BKK to ICN?
The lowest currently-listed fare from Bangkok (BKK) to Seoul (ICN) is $133 on 2026-08-27.
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How long is the flight from Bangkok to Seoul?
Direct flights from BKK to ICN cover approximately 3,666 km (2,278 miles), with an estimated flight time of 4h 19m. Operating airlines: 7C, KE, LJ, OZ, TG, TW, VZ, YP.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.