Flights by month
Seoul to Bangkok flights, month by month (2026)
A typical return fare from Seoul to Bangkok for each of 7 months, from departures we researched across a year. September is the cheapest, at around Rp4.203.778. Researched figures, not quotes: the partner shows what it costs today.
Typical return fare by month
Cheapest in Sep 2026, about Rp4.350.678
Dec 2026 costs about Rp999.322 more.
Researched fares: Rp6.081.990 to Rp7.810.205 per person over 3 checks, last on 2026-09-04. · Cheapest direct researched: Air Premia at Rp7.950.355.
Estimates from Google Flights, captured August 2026, for a one week return from Jakarta. Not a quote. What you pay depends on when you book. Departures from Sep 2026 to Mar 2027. How we work this out
Flying to Bangkok
- Typical journey time
- 5h 50m
- Usually flown by
- Korean Air, THAI, Asiana Airlines, Thai Vietjet Air
- Carbon, one way
- 296 kg CO₂
Common questions
When is the cheapest month to fly from Seoul to Bangkok?
From what we captured across a year of departures, September is the cheapest month to fly Seoul to Bangkok, at around Rp4.203.778 return. That is a researched figure from a dated snapshot, not a live quote, so check the price with a partner before you book.
When is the most expensive month to fly from Seoul to Bangkok?
December is the dearest month we captured for Seoul to Bangkok, at around Rp4.894.825 return, about Rp691.047 more than the cheapest month.
How long is the flight from Seoul to Bangkok?
About 5.8 hours with 1 stop, via a connection, from the itineraries we captured for Seoul to Bangkok.
Which airlines fly from Seoul to Bangkok?
The fares we captured for Seoul to Bangkok were on Korean Air, THAI, Asiana Airlines, Thai Vietjet Air, among others.