Cheap flights from Istanbul to Seoul from $351

The cheapest month to fly to Incheon Intl Airport from Istanbul is in July. Flight prices, which tend to average around $66, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of July, then departing from Istanbul during the month May is also very affordable. Most momondo users find prices during this month for around $93.

The cheapest day to depart from Istanbul to Incheon Intl Airport is on a Saturday when prices can be found for as low as $937. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,145. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

In the afternoon is the cheapest time of day to fly from Istanbul to Incheon Intl Airport when you can find flight prices for as low as $971. Flying to Incheon Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,073 on average. Flights to Incheon Intl Airport from Istanbul in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Incheon Intl Airport from Istanbul when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $746 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Istanbul for as low as $487 on momondo.

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

China Eastern, Qatar Airways, and Air Astana are the most popular carriers operating from Istanbul to Incheon Intl

Asiana Airlines, Air China and Turkish Airlines are the top three most popular airlines that fly to Incheon Intl Airport from Istanbul according to our data. Asiana Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 4 different airlines that fly to Incheon Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 21% of flights between Istanbul and Incheon have experienced a delay on any given week. The average delay length over the past 12 months has been 224 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Korean Air have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

As of June 2026, 4 flights take off from Istanbul and land in Incheon Intl Airport each day. The most common flight departure time for this route is 1:00AM, with 45% of daily flights taking off in the afternoon.

29 flights are operational weekly from Istanbul to Incheon Intl Airport as of June 2026. The most popular departure day for this route is Tue, with 21% of flights per week taking off on this day.