Suvarnabhumi (BKK) to Incheon International (ICN).
| Departure | Return | Price |
|---|---|---|
| 05/24/2026 | 05/29/2026 | $333 |
| 05/24/2026 | 05/30/2026 | $333 |
| 06/07/2026 | 06/12/2026 | $336 |
| 06/07/2026 | 06/13/2026 | $336 |
| 06/04/2026 | 06/09/2026 | $338 |
| 06/04/2026 | 06/10/2026 | $338 |
| 06/04/2026 | 06/11/2026 | $338 |
| 06/04/2026 | 06/12/2026 | $338 |
| 06/04/2026 | 06/13/2026 | $338 |
| 06/05/2026 | 06/10/2026 | $342 |
Based on current fares, May is the cheapest month to fly from Bangkok to Seoul, with average fares around $360 round trip (as low as $333).
See the full month-by-month and day-of-week price analysis
Best Time to Fly BKK → ICNDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Bangkok to Seoul is May, with average round-trip fares around $360. Fares in May start as low as $333. The most expensive month is August, averaging $391.
A nonstop flight from Bangkok to Seoul takes approximately 5h 30m.
The cheapest flight from Bangkok to Seoul currently starts at $333 round trip in economy class.
The average round-trip flight price from Bangkok to Seoul is $387 in economy class.
The distance is 2268 miles (3649 km). with a nonstop flight time of about 5h 30m. The lowest fare currently available is $333 departing in May. The average round-trip fare is $387.
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