
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $381 (FlightHub) |
One-way from | $197 (Kiwi.com) |
Popular in | October |
Cheapest in | December |
Average price | $551 |
Good round-trip deal | $926 or less |
Good one-way deal | $701 or less |
Fly from
Fly to
Route
Depart
Return
Price
SeoulIstanbul
GMP - IST
GMPIST
Seoul Gimpo Intl
Fri 1/16
1:30 pm-6:40 am
1 stop23h 10m
Istanbul
Thu 1/22
3:20 pm-12:25 pm
1 stop15h 05m
SeoulIstanbul
GMP - IST
GMPIST
Seoul Gimpo Intl
Fri 1/16
1:30 pm-6:40 am
1 stop23h 10m
Istanbul
Sat 1/24
3:20 pm-12:25 pm
1 stop15h 05m
SeoulIstanbul
GMP - IST
GMPIST
Seoul Gimpo Intl
Wed 1/28
1:30 pm-6:40 am
1 stop23h 10m
Istanbul
Wed 2/4
10:10 am-7:50 pm
2 stops27h 40m
IncheonIstanbul
ICN - IST
ICNIST
Incheon Intl
Mon 1/5
10:20 pm-2:25 pm
1 stop22h 05m
Istanbul
Sat 1/17
11:40 pm-6:10 pm
1 stop36h 30m
SeoulIstanbul
GMP - IST
GMPIST
Seoul Gimpo Intl
Fri 1/16
1:30 pm-6:40 am
1 stop23h 10m
Istanbul
Sat 1/24
11:00 pm-1:05 pm
2 stops32h 05m
IncheonIstanbul
ICN - IST
ICNIST
Incheon Intl
Tue 12/23
12:20 am-6:40 pm
1 stop24h 20m
Istanbul
Sat 1/10
8:10 pm-5:15 pm
1 stop15h 05m
IncheonIstanbul
ICN - IST
ICNIST
Incheon Intl
Sat 12/27
1:20 pm-2:30 pm
1 stop31h 10m
Istanbul
Thu 1/8
4:20 pm-10:40 pm
1 stop24h 20m
SeoulIstanbul
GMP - IST
GMPIST
Seoul Gimpo Intl
Sat 12/27
2:25 pm-8:20 am
1 stop23h 55m
Istanbul
Fri 1/9
2:55 pm-1:05 pm
1 stop16h 10m
SeoulIstanbul
GMP - IST
GMPIST
Seoul Gimpo Intl
Sat 12/27
2:25 pm-8:20 am
1 stop23h 55m
Istanbul
Wed 1/7
2:55 pm-1:05 pm
1 stop16h 10m
IncheonIstanbul
ICN - IST
ICNIST
Incheon Intl
Sun 2/1
12:40 pm-4:55 pm
2 stops34h 15m
Istanbul
Wed 2/4
4:50 am-4:55 pm
2 stops30h 05m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
Booking 44 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seoul to Istanbul Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, February is the cheapest month in which you can book a flight from Seoul to Istanbul Airport (average of $379). Flying from Seoul to Istanbul Airport in July is currently the most expensive (average of $516). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
A simple way to save on the total cost of your ticket is to fly from Seoul to Istanbul Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 48% on your trip compared to booking a flight in the evening.
Travelers seeking maximum savings on their Seoul to Istanbul Airport flight should consider departing on Friday at noon when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from SEL to IST are scheduled on a Friday (8 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).
Shanghai (PVG) – chosen by Cheapflights users on 75% of 1-stop itineraries from Seoul to Istanbul Airport on Cheapflights.
Chengdu (TFU) is the most affordable 1-stop option, with an average round-trip price of $379.
Flights via Shanghai (PVG) have the shortest average one-way travel time for 1-stop routes: 21h 47m.
Flights via Chengdu (TFU) offer the fastest connection on this route, with an average layover time of 6h 00m.
About 0% of weekly flights between Seoul and Istanbul have experienced delays in the past year, with the average delay time being 0 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Boarding
Food
Comfort
Overall
Crew
Entertainment
Reviews
Anonymous,Dec 2025
BKK - ICN
Boarding
Food
Comfort
Overall
Crew
Entertainment
Reviews
Anonymous,Dec 2025
BKK - ICN
Boarding
Food
Comfort
Overall
Crew
Entertainment
Reviews
Anonymous,Dec 2025
BKK - ICN
Boarding
Food
Comfort
Overall
Crew
Entertainment
Reviews
Anonymous,Dec 2025
BKK - ICN
Boarding
Food
Comfort
Overall
Crew
Entertainment
Reviews
Anonymous,Dec 2025
BKK - ICN
Boarding
Food
Comfort
Overall
Crew
Entertainment
Reviews
Anonymous,Dec 2025
BKK - ICN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$391 | Average$491 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$465 | Average$910 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$486 | Average$862 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$545 | Average$600 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$573 | Average$799 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$617 | Average$935 | FlexibilityNo cancel fee | On-time77% |