Cheap flights from Seoul to Istanbul

Seoul
SEL
Istanbul
IST

Flight deals from Seoul to Istanbul

Below you can see the best deals on flights Seoul — Istanbul for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 11 October, from $253.

Top 10 cheap flights from Seoul to Istanbul

MU
MU
$ 340

Seoul — Istanbul

19:40—07:00
19 Aug 2026
17 h 20 m
1 stop
MU
MU
$ 340

Seoul — Istanbul

18:25—08:10
11 Sep 2026
19 h 45 m
1 stop
MU
MU
$ 340

Seoul — Istanbul

16:15—08:10
11 Sep 2026
21 h 55 m
1 stop
MU
MU
$ 340

Seoul — Istanbul

14:30—08:10
11 Sep 2026
23 h 40 m
1 stop
MU
MU
$ 340

Seoul — Istanbul

12:55—08:10
11 Sep 2026
25 h 15 m
1 stop
MU
MU
$ 340

Seoul — Istanbul

16:15—08:10
14 Sep 2026
21 h 55 m
1 stop
MU
MU
$ 340

Seoul — Istanbul

16:20—08:10
14 Sep 2026
21 h 50 m
1 stop
MU
MU
$ 340

Seoul — Istanbul

12:55—08:10
14 Sep 2026
25 h 15 m
1 stop
MU
MU
$ 340

Seoul — Istanbul

16:20—08:10
5 Sep 2026
21 h 50 m
1 stop
MU
MU
$ 340

Seoul — Istanbul

16:15—08:10
5 Sep 2026
21 h 55 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

When is the best time to book a flight from Seoul to Istanbul?

The price of a flight from Seoul to Istanbul changes depending on how far ahead you book. For the best chance of a lower fare, book around 9 days before departure, when the average ticket costs about $378. Fares also tend to climb as the departure date gets closer.

About the Seoul — Istanbul flight

Looking for cheap flights from Seoul to Istanbul? Compare fares from different airlines, check the flight schedule and travel time — and book your Seoul — Istanbul ticket online at the best price.

The route has direct flights — around 56 flights per week, flights are operated by Turkish Airlines, Asiana Airlines, Korean Air, a nonstop flight takes about 11 h 40 min, the distance between the cities is around 7,975 km.

Planning your trip? You may find our Istanbul travel guide, how to get from the airport into town and Istanbul weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $244Min. price
OctoberCheapest
JulyPeak season
YesDirect flights
7,975 kmDistance
11 h 40 minTravel time
3Airlines
56 / wkFlights

Flight schedule from Seoul to Istanbul

The table shows direct flights from Seoul to Istanbul on the selected date. The flight takes approximately 11 h 40 min. Regular flights are operated by Turkish Airlines, Asiana Airlines and Korean Air. Departures from Incheon International Airport and Gimpo International Airport airports, arrivals at Istanbul Airport and Sabiha Gokcen International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 14 Aug 2026

Flight ticket prices by day: Seoul — Istanbul

Below is a calendar of the lowest flight ticket prices for Seoul — Istanbul by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $244 in October, and the most expensive are around $446 in July. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Seoul to Istanbul by month. Tickets are usually cheapest in November (around $247) and priciest in July (about $388) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$283mediumMay$326highSep$318medium
Feb$256lowJun$361highOct$291medium
Mar$273mediumJul$388highNov$247low
Apr$300mediumAug$380highDec$309high

Some values are estimated based on seasonality.

When to fly

Weather in Istanbul: it is warmest in August (up to 29 °C on average) and coolest in January (around 10 °C). The driest month is August.

Tickets are usually cheapest in October and most expensive in July. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Istanbul

Dry and wet days · Istanbul

Wind speed and direction · Istanbul

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How to get the best deal on a Seoul — Istanbul ticket

  • Book ahead: fares for Seoul — Istanbul are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Seoul is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Istanbul is usually October — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Seoul — Istanbul route are operated by 3 airlines; Turkish Airlines runs the most flights (around 55% of all flights). Compare carriers, flight shares and schedules below.

  • Turkish AirlinesTK
    10x/week
    WebsiteFleet: 49283.4M pax/year
    • Direct flight ICN → IST10x/week
      Duration
      11h 9m
      Days
      MTWTFSS
    55.4%Open →
  • Asiana AirlinesOZ
    5x/week
    WebsiteFleet: 6916M pax/year
    • Direct flight ICN → IST5x/week
      Duration
      11h 14m
      Days
      MTWTFSS
    26.8%Open →
  • Korean AirKE
    3x/week
    WebsiteFleet: 16025M pax/year
    • Direct flight ICN → IST3x/week
      Duration
      12h
      Days
      MTWTFSS
    17.9%Open →

Cities and airports on the Seoul — Istanbul route

Flights Seoul — Istanbul depart from Incheon International Airport and Gimpo International Airport and arrive at Istanbul Airport and Sabiha Gokcen International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Seoul

SEL
Korea, Republic Of
About the cityHow to get thereWeatherAll about the country Korea, Republic Of
Arrival

Istanbul

IST
Turkey
About the cityHow to get thereWeatherAll about the country Turkey
Departure airports
Arrival airports

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Frequently asked questions about the Seoul — Istanbul flight

How long is the flight from Seoul to Istanbul?

A nonstop Seoul — Istanbul flight takes about 11 h 40 min — the distance between the cities is around 7,975 km.

How far is it from Seoul to Istanbul?

The distance from Seoul to Istanbul is about 7,975 km, which a nonstop flight covers in around 11 h 40 min.

Are there direct flights from Seoul to Istanbul?

Yes, there are nonstop flights Seoul — Istanbul — around 56 flights per week.

Which airlines fly from Seoul to Istanbul?

Airlines operating Seoul — Istanbul include Turkish Airlines, Asiana Airlines, Korean Air. See the full list with schedules in the "Airlines" section on this page.

Which airports do Seoul — Istanbul flights use?

Flights from Seoul depart from Incheon International Airport, Gimpo International Airport, and arrive at Istanbul Airport, Sabiha Gokcen International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Seoul to Istanbul?

The price of a Seoul — Istanbul ticket depends on your travel date, season and demand: it is usually cheapest to fly in October, and most expensive in July. Tickets typically cost between $244 and $446. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Seoul — Istanbul?

Flights Seoul — Istanbul are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is October. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Seoul to Istanbul?

To catch a low fare Seoul — Istanbul, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually October.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Seoul

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Where else you can fly from Istanbul

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AntalyaIzmirAnkaraBodrumLondonMuglaErcanMersinMoscowTrabzonAthensKayseriTashkentGaziantepDubaiParisJeddahBakuBeirutFrankfurt am MainAmsterdamRomeBucharestSamsunCairoViennaRiyadhDusseldorfAmmanRizeMunichBerlinNevsehirWarsawDiyarbakirTbilisiAlmatyBrusselsKuwait CityZurich

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