$639 Cheap Flights from Seoul to Istanbul in 2025

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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.

Istanbul.$639 per passenger.Departing Mon, 12 May, returning Mon, 26 May.Return flight with China Eastern.Outbound indirect flight with China Eastern, departs from Incheon International on Mon, 12 May, arriving in Istanbul.Inbound indirect flight with China Eastern, departs from Istanbul on Mon, 26 May, arriving in Incheon International.Price includes taxes and charges.From $639, select.

Istanbul.$648 per passenger.Departing Sat, 7 Jun, returning Sun, 15 Jun.Return flight with China Eastern.Outbound indirect flight with China Eastern, departs from Incheon International on Sat, 7 Jun, arriving in Istanbul.Inbound indirect flight with China Eastern, departs from Istanbul on Sun, 15 Jun, arriving in Incheon International.Price includes taxes and charges.From $648, select.

Istanbul.$681 per passenger.Departing Sat, 31 May, returning Sun, 15 Jun.Return flight with China Eastern.Outbound indirect flight with China Eastern, departs from Incheon International on Sat, 31 May, arriving in Istanbul.Inbound indirect flight with China Eastern, departs from Istanbul on Sun, 15 Jun, arriving in Incheon International.Price includes taxes and charges.From $681, select.

Istanbul.$710 per passenger.Departing Wed, 23 Apr, returning Thu, 15 May.Return flight with China Eastern.Outbound indirect flight with China Eastern, departs from Incheon International on Wed, 23 Apr, arriving in Istanbul.Inbound indirect flight with China Eastern, departs from Istanbul on Thu, 15 May, arriving in Incheon International.Price includes taxes and charges.From $710, select.

Istanbul.$736 per passenger.Departing Sun, 11 May, returning Tue, 5 Aug.Return flight with China Eastern.Outbound indirect flight with China Eastern, departs from Incheon International on Sun, 11 May, arriving in Istanbul.Inbound indirect flight with China Eastern, departs from Istanbul on Tue, 5 Aug, arriving in Incheon International.Price includes taxes and charges.From $736, select.

Istanbul.$746 per passenger.Departing Wed, 18 Jun, returning Tue, 1 Jul.Return flight with China Southern.Outbound indirect flight with China Southern, departs from Gimpo International on Wed, 18 Jun, arriving in Istanbul.Inbound indirect flight with China Southern, departs from Istanbul on Tue, 1 Jul, arriving in Incheon International.Price includes taxes and charges.From $746, select.

Istanbul.$754 per passenger.Departing Tue, 21 Oct, returning Thu, 30 Oct.Return flight with MIAT Mongolian Airlines.Outbound indirect flight with MIAT Mongolian Airlines, departs from Incheon International on Tue, 21 Oct, arriving in Istanbul.Inbound indirect flight with MIAT Mongolian Airlines, departs from Istanbul on Thu, 30 Oct, arriving in Incheon International.Price includes taxes and charges.From $754, select.

Istanbul.$810 per passenger.Departing Wed, 2 Jul, returning Tue, 15 Jul.Return flight with China Southern.Outbound indirect flight with China Southern, departs from Gimpo International on Wed, 2 Jul, arriving in Istanbul.Inbound indirect flight with China Southern, departs from Istanbul on Tue, 15 Jul, arriving in Incheon International.Price includes taxes and charges.From $810, select.

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 May.

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Direct flights from Seoul to Istanbul

Alternative Seoul to Istanbul routes

Looking for the cheapest, fastest or easiest route from Seoul to Istanbul? You could fly into the following airports instead.

Seoul to Istanbul: Flight information

The things to know before you go.

Cheapest flight found	$615
Cheapest month to fly	May
Average flight time	11 hrs, 51 mins
Most popular airline	Turkish Airlines
Average flights per week	31

Finding cheap flights from Seoul to Istanbul: Frequently asked questions

How many airports are there in Istanbul?

There are 2 airports in Istanbul: Istanbul Sabiha and Istanbul.

How much are return flights from Seoul to Istanbul?

The best price we found for a return flight from Seoul to Istanbul is $615. 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.

How long does it take to fly from Seoul to Istanbul?

11 hours and 51 minutes is the average flight time from Seoul to Istanbul.

Which airlines fly direct from Seoul to Istanbul?

Turkish Airlines, Asiana Airlines and Korean Air fly direct from Seoul to Istanbul.

How many flights are there a week from Seoul to Istanbul?

As of April 2025, there are 31 flights per week flying from Seoul to Istanbul.

When is the cheapest time to fly from Seoul to Istanbul?

The cheapest month to fly from Seoul to Istanbul is usually May.

Which is the cheapest airport to fly into in Istanbul?

If you're flying from Seoul, the cheapest airport near Istanbul is Istanbul – which is 34.4 km away from the centre of Istanbul. We've found flights into this airport from $615.

Which upcoming date is cheapest to fly from Seoul to Istanbul on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Istanbul on Monday, 12 May 2025.

Can I get a direct flight from Seoul to Istanbul?

Yes – the average flight time is 11 hours and 51 minutes.

How can I get the best flight deal from Seoul to Istanbul?

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.

When is the best time to book flights to Istanbul?

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.

What’s the weather like in Istanbul?

In April, the average temperature is usually around 12°C. August is typically the warmest month in Istanbul, when it usually averages around 27°C. You can expect the least rain in August. The coldest month is January, with temperatures averaging 4°C. The rainiest month is December.

Which is the cheapest airline to fly from Seoul to Istanbul with?

The cheapest airline that flies to Istanbul is China Eastern. And the cheapest airline that flies to Istanbul Airport is Turkish Airlines.

Travelling from Seoul to Istanbul: what you need to know

Seoul has a couple of airports that could be the jumping-off point for your adventure. Check out your options for booking a flight from Seoul to Istanbul departing from Incheon International Airport (ICN) or Gimpo International Airport (GMP).
When working out where to arrive in Istanbul, Istanbul Ataturk Airport (IST) and Sabiha Gokcen International Airport (SAW) are the chief entry points.
The average time for a direct flight from Seoul to Istanbul is 11 hours 51 minutes. Istanbul's timezone is UTC+3, which makes Istanbul 6 hours behind Seoul.
The busiest route for flights from Seoul to Istanbul is from Incheon International Airport (ICN) to Istanbul Ataturk Airport (IST). Take your pick of 26 services every week between these two airports. If you want to head off 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 final departure is at 23:20 with Turkish Airlines.
To ensure you catch your flight from Seoul to Istanbul, allow plenty of time to check in and find your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.
Be prepared for bigger queues during popular months such as July and other peak seasons. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you plenty of time for security and boarding.
You don't need a visa for Türkiye (Turkey) if you have a passport from South Korea and are travelling for tourism purposes. Visa and travel documentation requirements are subject to changes. So before booking your cheap flights from Seoul to Istanbul, be sure to check with your airline and your destination country's local embassy or consulate for the latest rules.

Flying from Seoul

Incheon International Airport (ICN)

You can book a direct flight from Seoul to Istanbul jetting off from Incheon International Airport (ICN). Start your trip at ICN and arrive at Istanbul Ataturk Airport (IST).
At ICN, you'll find a good selection of airlines operating direct flights from Seoul to Istanbul, such as:
Stopovers are the ideal opportunity to take a travel break — and maybe even explore a different city. When browsing flights from Seoul to Istanbul departing from Incheon International Airport, deselect the 'Direct flights only' box to see where you can visit along the way. Some popular options include:
- Tashkent International Airport (TAS)
- Shanghai Pudong International Airport (PVG)
- Eleftherios Venizelos International Airport (ATH)
Have an early flight from Seoul to Istanbul? Avoid the hassle of rushing to the airport (and catch some extra z's) by picking one of these hotels close to Incheon International Airport:

Gimpo International Airport (GMP)

Break up your flight from Seoul to Istanbul with a stop so you can stretch your legs or perhaps go somewhere you've never been before. Some top stopovers between Incheon International Airport and Istanbul are:
- Tashkent International Airport (TAS)
- Shanghai Pudong International Airport (PVG)
- Eleftherios Venizelos International Airport (ATH)
You're going on holiday, so why not extend it with an extra night away from home? Think about checking in to one of these hotels near Gimpo International Airport the day before your flight from Seoul to Istanbul:

Arriving in Istanbul

Istanbul Ataturk Airport (IST)

Istanbul Ataturk Airport (IST) to central Istanbul is approximately 48 kilometres. It'll take you around 50 minutes to reach the centre driving.
Travelling to the centre by public transport will take you roughly 1 hour and 45 minutes.
Book a hotel close to IST if you have a late flight from Seoul to Istanbul. Select one of these options and skip the long transfer:

Sabiha Gokcen International Airport (SAW)

As soon as your flight from Seoul to Istanbul has touched down, you can reach the city centre in about 57 minutes by car. Central Istanbul is approximately 48 kilometres from Sabiha Gokcen International Airport (SAW).
Travelling by public transport will take around 1 hour and 30 minutes.
Place the 'Do not disturb' sign on your door and unwind at a hotel near SAW. Here are a few options where you can kick back after your flight from Seoul to Istanbul:

How to find the cheapest flights from Seoul to Istanbul

The cheapest price we've found for a one-way ticket from Seoul to Istanbul is $348. For a return flight on this route, the best price is $639. Depending on the availability and when you book, these fares may change.
Get cheap tickets from Seoul to Istanbul by booking 10 months ahead. Based on our research, that's the sweet spot for picking up a bargain.
The cheapest month for flight tickets from Seoul to Istanbul is June. You can easily compare prices using the 'Whole month' tool and choose the date that offers the lowest fare.
Snapping up a cheap ticket from Seoul to Istanbul couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when there's a better deal.
Use filters to tailor your flights from Seoul to Istanbul. Enter your ideal departure and arrival times, airlines and number of stops. Or sort your results by 'Cheapest' to find the best deals.

Best time to go to Istanbul

It's time to work out your trip dates for your flight from Seoul to Istanbul. August is the most popular month to travel to Istanbul. If you like a quieter vibe, go in February.
Before booking a flight from Seoul to Istanbul, consider the kind of weather you like best. August is the warmest month in Istanbul, with the temperature ranging from 20ºC to 30ºC.
Look for cheap tickets from Seoul to Istanbul in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 2ºC and 11ºC on average.

More about Istanbul

Start your Istanbul trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from Seoul to Istanbul, explore our range of accommodation options including:
There are so many things to do and see in this city it can be difficult to know where to start. Topkapi Palace, The Basilica Cistern and Galata Tower are popular attractions which should feature on every Istanbul itinerary.

Complete your Istanbul trip with a car rental

Finding you a cheap flight from Seoul to Istanbul isn't our only cool trick. Check out our car rentals in Istanbul and travel at your own pace. We search for deals from trusted car rental providers and put them all in one place. You can instantly compare offers and then book with no fees.