July is the cheapest month to fly this route, with average fares around $297 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $324 | $263 | Peak | |
| June 2026 | $311 | $263 | ||
| July 2026 | $297 | $289 | Best | |
| August 2026 | $305 | $289 |
Departing on Wednesday offers the lowest average fares at $287. Sunday departures are the most expensive at $341, a difference of $54.
The best time to fly is July. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Seoul to Bangkok is July, with average round-trip fares around $297. The lowest fare found in July is $289.
Wednesday departures are the cheapest, averaging $287 round trip. The most expensive day is Sunday at $341.
Based on current pricing trends, booking for July travel offers the best value. Avoid May if possible, as fares average $324 compared to $297 in the cheapest month. June is a solid middle-ground option at $311.
Flying in July instead of May can save you approximately $27 per round trip. The cheapest month averages $297 while the most expensive averages $324.
Airlines, flight times, price calendar, and more for Seoul to Bangkok
View ICN → BKK Details