Cheap Flights from Seoul to Istanbul

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Compare Seoul to Istanbul flight deals

Find the cheapest month or even day of the year to fly to Istanbul

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Flight deals from Seoul to Istanbul

Looking for a cheap last-minute deal or the best return flight from Seoul to Istanbul? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seoul to Istanbul

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seoul to Istanbul flights are currently cheapest in June.

Direct flights from Seoul to Istanbul

Seoul to Istanbul: Alternative routes

Compare routes from Seoul to Istanbul below. You may find an airport to fly into that's cheaper, faster, or easier than Istanbul.

Seoul to Istanbul: Flight information

The things to know before you go.
Cheapest flight found392 €
Cheapest month to flyJune
Average flight time11 hrs, 49 mins
Most popular airlineTurkish Airlines
Average flights per week39

Finding cheap flights from Seoul to Istanbul: Frequently asked questions

The best price we found for a return flight from Seoul to Istanbul is 392 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
11 hours and 49 minutes is the average flight time from Seoul to Istanbul.
Turkish Airlines, Asiana Airlines and Korean Air fly direct from Seoul to Istanbul.
As of May 2025, there are 39 flights per week flying from Seoul to Istanbul.
The cheapest month to fly from Seoul to Istanbul is usually May 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Istanbul Airport on Sunday, 15 June 2025.
Yes – the average flight time is 11 hours and 49 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Istanbul but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Istanbul is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from Seoul to Istanbul Ataturk Airport (IST): what you need to know

  • Seoul is home to a couple of airports that could be the jumping-off point for your adventure. Explore your options for booking a flight from Seoul to Istanbul Ataturk Airport (IST) departing from Incheon International Airport (ICN) or Gimpo International Airport (GMP).

  • 11 hours 51 minutes is the average duration of a direct flight from Seoul to Istanbul Ataturk Airport.

  • Istanbul is 6 hours behind Seoul. Istanbul Ataturk Airport is located in Istanbul, which operates on the UTC+3 timezone.

  • The busiest route is from Incheon International Airport (ICN) to Istanbul Ataturk Airport (IST), with 26 direct services every week. If you'd like to get going as soon as possible, the earliest flight from ICN to IST is the 00:10 Turkish Airlines service. If you prefer to leave later in the day, the last departure is at 23:20 with Turkish Airlines.

  • Arrive at the airport on time so you don't miss your flight from Seoul to IST. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • Show up at the airport even earlier during popular months like July. Aim for two hours before a domestic departure and four hours ahead of international journeys. Once you've checked in, you can use any extra time to finalize your plans or simply relax.

Gimpo International Airport (GMP)

  • Want other options for a direct flight from Seoul to Istanbul Ataturk Airport (IST)? Check out the fares jetting out of Gimpo International Airport (GMP).

  • When departing from GMP, you can pick from a range of airlines that offer direct flights from Seoul to IST. Reach cruising altitude with one of these carriers:

  • Visit friends or family or just take a moment to stretch your legs with a stopover. If you'd like to break up your flight from Seoul to Istanbul Ataturk Airport, check out these options when setting off from Gimpo International Airport:

    • Kansai International Airport (KIX)

    • Dubai Airport (DXB)

    • Beijing Capital International Airport (PEK)

  • The distance from Seoul's city centre to GMP is roughly 16 kilometres. Consider transport options and potential delays when planning the fastest way to get to the airport.

  • Get a head start on your holiday with an additional night away from home. Before catching your flight from Seoul to IST, take things easy in one of these hotels near Gimpo International Airport:

About Istanbul Ataturk Airport (IST)

Getting from Istanbul Ataturk Airport (IST) to central Istanbul

  • Istanbul Ataturk Airport is approximately 48 kilometres from the centre of Istanbul. With your own car rental or if you take a cab, the drive is around 50 minutes.

  • If you're travelling by public transport, expect a journey of about 1 hour and 45 minutes.

How to find the cheapest flights from Seoul to Istanbul Ataturk Airport (IST)

  • 204 € is the cheapest price we've seen for a one-way ticket from Seoul to Istanbul Ataturk Airport. Return flights start from 392 €. Fares are subject to availability and may change at any time.

  • Get cheap tickets from Seoul to IST by booking 9 months ahead. Based on flight price data, that's the sweet spot for finding the biggest deals.

  • Schedule your trip for June. That's the cheapest month for tickets from Seoul to Istanbul Ataturk Airport. If your travel dates are flexible, use the 'Whole month' tool to see the best price across every month.

  • Set up a Price Alert and track any changes on this route through push notifications or email. You'll know straight away when prices drop. Timing is key for finding cheap tickets from Seoul to IST.

  • Tailor your flights with filters. Choose your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Seoul to Istanbul Ataturk Airport.

The best time to fly from Seoul to Istanbul Ataturk Airport (IST)

  • August is the busiest month to board a flight from Seoul to Istanbul Ataturk Airport while February is the quietest. To work out the ideal time to visit Istanbul, consider your preferred travel pace and style.

  • The warmest month in Istanbul is August, with temperatures ranging between 20ºC and 30ºC. Book your flights from Seoul to IST in this month if this is the type of weather you enjoy.

  • Visit in January if you want to explore when it's cooler. Average temperatures range between 2ºC and 11ºC. However, this city delivers on a good time whenever you book your cheap flights from Seoul to Istanbul Ataturk Airport.

More about Istanbul

  • Start your Istanbul trip right by choosing the perfect place to stay. As soon as you've booked your flight from Seoul to Istanbul Ataturk Airport, explore our selection of hotels including:

  • There are so many things to see and do in this city it can be tricky to know where to begin. Topkapi Palace, The Basilica Cistern and Galata Tower are top attractions which should be on any well-planned Istanbul itinerary.

Complete your Istanbul trip with a car rental

  • Grab the keys to one of our car rentals in Istanbul and see the city on your own terms. Easily compare rates from trusted rental companies in one place after booking your hotel and cheap flights from Seoul to Istanbul Ataturk Airport.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.