Cheap flights from Istanbul Airport to Seoul from $303

The cheapest month to fly to Incheon Intl Airport from Istanbul Airport is in October. Flight prices, which tend to average around $607, 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 October, then departing from Istanbul Airport during the month April is also very affordable. Most momondo users find prices during this month for around $625.

The cheapest day to depart from Istanbul Airport 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 $1,142. 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 Airport 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 $1,080 on average. Flights to Incheon Intl Airport from Istanbul Airport 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 Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $778 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 Airport for as low as $487 on momondo.

China Eastern, MIAT Mongolian, and Qanot Sharq are the most popular carriers operating from Istanbul to Incheon Intl

Asiana Airlines, Turkish Airlines and Etihad Airways are the top three most popular airlines that fly to Incheon Intl Airport from Istanbul Airport according to our data. Asiana Airlines is the first choice among our users, with 43% 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 20% 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 245 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.

Tuesday 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.

Ulaanbaatar (UBN) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.

Flights via Ashgabat (ASB) offer the lowest average round-trip price of $438.

Flights connecting via Ashgabat (ASB) have the shortest average one-way travel time: 12h 45m.

Ashgabat (ASB) has the shortest average layover time for this route: 1h 23m.

4 flights are operational daily from Istanbul Airport to Incheon Intl Airport as of May 2026. The most popular departure time for this route is 1:00AM, with 45% of flights per day taking off in the afternoon.

32 flights are operational weekly from Istanbul Airport to Incheon Intl Airport as of May 2026. The most popular departure day for this route is Tue, with 19% of flights per week taking off on this day.