Flights by month
Seoul to Istanbul flights, month by month (2026)
A typical return fare from Seoul to Istanbul for each of 7 months, from departures we researched across a year. January is the cheapest, at around Rp10.998.260. Researched figures, not quotes: the partner shows what it costs today.
Typical return fare by month
Cheapest in Jan 2027, about Rp10.998.260
Sep 2026 costs about Rp7.669.760 more.
Researched fares: Rp9.141.436 to Rp26.693.864 per person over 54 checks, last on 2026-09-07. · Cheapest direct researched: Asiana Airlines at Rp12.917.650.
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 Istanbul
- Fastest journey
- 18h 30m · 1 stop · China Southern
- Cheapest itinerary
- 21h 40m · 1 stop · China Eastern
- Usually flown by
- China Southern, China Eastern
- Carbon, one way
- 593 kg CO₂
From the 7 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 Istanbul?
From what we captured across a year of departures, January is the cheapest month to fly Seoul to Istanbul, at around Rp10.998.260 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 Istanbul?
September is the dearest month we captured for Seoul to Istanbul, at around Rp18.668.020 return, about Rp7.669.760 more than the cheapest month.
How long is the flight from Seoul to Istanbul?
About 18h 30m with 1 stop, from the itineraries we captured for Seoul to Istanbul.
Which airlines fly from Seoul to Istanbul?
The fares we captured for Seoul to Istanbul were on THAI, Lufthansa, Emirates, Turkish Airlines, among others.