Flights by month
Bangkok to Seoul flights, month by month (2026)
A typical return fare from Bangkok to Seoul for each of 6 months, from departures we researched across a year. October is the cheapest, at around Rp5.514.315. Researched figures, not quotes: the partner shows what it costs today.
Typical return fare by month
Cheapest in Oct 2026, about Rp5.514.315
Feb 2027 costs about Rp1.771.585 more.
Researched fares: Rp4.221.056 to Rp11.998.608 per person over 51 checks, last on 2026-09-07. · Cheapest direct researched: Jeju Air out, T'way Air back at Rp4.221.056.
From our own live checks: for each departure we sampled in the month, the cheapest return fare per person the newest check found, averaged. The same figures as the fare index, last checked 2026-09-06. 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
- Fastest journey
- 9h 25m · 1 stop · HK Express
- Cheapest itinerary
- 11h 25m · 1 stop · HK Express
- Usually flown by
- HK Express
- Carbon, one way
- 290 kg CO₂
From the 23 fares we researched for a 2027-09-04 departure, checked 2026-09-07. Outbound journey times. Not a quote. How we work this out
Common questions
When is the cheapest month to fly from Bangkok to Seoul?
From what we captured across a year of departures, October is the cheapest month to fly Bangkok to Seoul, at around Rp5.514.315 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?
February is the dearest month we captured for Bangkok to Seoul, at around Rp7.285.900 return, about Rp1.771.585 more than the cheapest month.
How long is the flight from Bangkok to Seoul?
About 9h 25m with 1 stop, 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.