Incheon International (ICN) to Suvarnabhumi (BKK).
| Departure | Return | Price |
|---|---|---|
| 05/26/2026 | 06/04/2026 | $263 |
| 05/27/2026 | 06/04/2026 | $263 |
| 05/28/2026 | 06/04/2026 | $263 |
| 05/29/2026 | 06/04/2026 | $263 |
| 05/30/2026 | 06/04/2026 | $263 |
| 05/30/2026 | 06/08/2026 | $263 |
| 06/06/2026 | 06/15/2026 | $263 |
| 06/09/2026 | 06/15/2026 | $263 |
| 06/10/2026 | 06/15/2026 | $263 |
| 06/11/2026 | 06/20/2026 | $275 |
Based on current fares, July is the cheapest month to fly from Seoul to Bangkok, with average fares around $297 round trip (as low as $289).
See the full month-by-month and day-of-week price analysis
Best Time to Fly ICN → BKKDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Seoul to Bangkok is July, with average round-trip fares around $297. Fares in July start as low as $289. The most expensive month is May, averaging $324.
A nonstop flight from Seoul to Bangkok takes approximately 5h 30m.
The cheapest flight from Seoul to Bangkok currently starts at $263 round trip in economy class.
The average round-trip flight price from Seoul to Bangkok is $325 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 $263 departing in May. The average round-trip fare is $325.
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