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. November is the cheapest, at around Rp4.910.461. Researched figures, not quotes: the partner shows what it costs today.
Typical return fare by month
Cheapest in Nov 2026, about Rp4.910.461
Jan 2027 costs about Rp1.856.588 more.
Researched fares: Rp4.180.840 to Rp9.787.120 per person over 85 checks, last on 2026-09-07. · Cheapest direct researched: T'way Air out, Thai VietJet Air back at Rp4.209.554.
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 Sep 2026 to Mar 2027. How we work this out
Flying to Bangkok
- Fastest journey
- 8h 45m · 1 stop · China Southern
- Cheapest itinerary
- 14h 55m · 1 stop · China Eastern
- Usually flown by
- China Southern, HK Express, China Eastern
- Carbon, one way
- 296 kg CO₂
From the 50 fares we researched for a 2027-08-28 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 Seoul to Bangkok?
From what we captured across a year of departures, November is the cheapest month to fly Seoul to Bangkok, at around Rp4.910.461 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?
January is the dearest month we captured for Seoul to Bangkok, at around Rp6.767.049 return, about Rp1.856.588 more than the cheapest month.
How long is the flight from Seoul to Bangkok?
About 8h 45m with 1 stop, 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.