Flights by month
Bangkok to Seoul flights, month by month (2026)
A typical return fare from Bangkok to Seoul for each of 11 months, from departures we researched across a year. September is the cheapest, at around Rp3.828.499. Researched figures, not quotes: the partner shows what it costs today.
Typical return fare by month
Researched fares: Rp4.380.426 to Rp7.578.200 per person over 6 checks, last on 2026-09-04. · Cheapest direct researched: T'way Air at Rp4.380.426.
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 Oct 2026 to Mar 2027. How we work this out
Flying to Seoul
- Typical journey time
- 5h 35m
- Stops
- 1, usually via HKG
- Usually flown by
- Korean Air, THAI, Hong Kong Express, Cathay Pacific
- Carbon, one way
- 290 kg CO₂
Common questions
When is the cheapest month to fly from Bangkok to Seoul?
From what we captured across a year of departures, September is the cheapest month to fly Bangkok to Seoul, at around Rp3.828.499 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 Bangkok to Seoul?
December is the dearest month we captured for Bangkok to Seoul, at around Rp6.718.986 return, about Rp2.890.487 more than the cheapest month.
How long is the flight from Bangkok to Seoul?
About 5.6 hours with 1 stop, via Hong Kong, from the itineraries we captured for Bangkok to Seoul.
Which airlines fly from Bangkok to Seoul?
The fares we captured for Bangkok to Seoul were on Korean Air, THAI, Hong Kong Express, Cathay Pacific, among others.