Cheap flights from Istanbul to Seoul from £227

The month of June is, on average, the cheapest month to fly to Seoul from Istanbul, with most prices found around £408. If you are unable to visit Seoul during the month of June, then departing from Istanbul during the month January is also very affordable. Most momondo users find prices during this month for around £432.

The cheapest day to depart from Istanbul to Seoul is on a Thursday when prices can be found for as low as £669. Flights from Istanbul to Seoul on a Friday will generally be more expensive and average around £855. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our most recent data shows that the best time of day to fly to Seoul is in the evening. Flights from Istanbul to Seoul during this time can be as low as £706. Flights in the afternoon are often more expensive, with an average ticket price of £829.

Fly from Istanbul to Incheon Intl for the best Istanbul - Seoul flight prices

You are more likely to see cheaper flights to Seoul from Istanbul when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around £581 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Istanbul for as low as £396 on momondo.

There are 2 cabin classes available to choose from on Istanbul to Seoul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

4 flights are operational daily from Istanbul to Seoul as of April 2026. The most popular departure time for this route is 01:00, with 45% of flights per day taking off in the afternoon.

As of April 2026, there are 33 flights per week flying from Istanbul to Seoul. The most common day of the week flights depart is Fri, with 21% of flights taking off on this day.