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Nonstop flights from Istanbul to Seoul IST, SAW → GMP, ICN

Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW) → Gimpo International Airport (GMP), Incheon International Airport (ICN)

The cheapest nonstop return found recently is $1,349 with Turkish Airlines, 5 Nov – 18 Nov, found 20 hours ago.

Nonstop return

The cheapest nonstop return fare on each of 11 departure dates is usually $977 to $1,255.

Cheapest nonstop return

$1,349

5 Nov – 18 Nov · Turkish Airlines

Istanbul New Airport (IST) → Incheon International Airport (ICN)

Leaves 5:05 p.m. · Return leaves 10:40 p.m. · 21 h 50 min of travel, both ways together

out nonstop, back nonstop

found 20 hours ago

See prices for these datesCheck today's price

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Airlines flying it nonstop on the return fares we hold: Turkish Airlines (9 departure dates), Korean Air (3 departure dates).

On the 10 trips where we hold both on the same dates, nonstop cost a median $517 (95.3%) more than the cheapest fare with stops. Nonstop was cheaper or the same price on 0 of those 10 trips.

Every nonstop date we hold

Nonstop fares on 11 of the 48 departure dates we hold for this route.

27 Oct – 9 Dec: $1,420, found 7 days ago2 Nov – 3 Dec: $1,453, found 2 days ago5 Nov – 18 Nov: $1,349, found 20 hours ago2 Dec – 16 Dec: $916, found 4 days ago7 Dec – 20 Dec: $852, found 7 days ago11 Dec – 8 Jan 2027: $1,022, found 7 days ago29 Dec – 26 Feb 2027: $1,055, found 6 days ago10 Jan 2027 – 18 Jan 2027: $932, found 5 days ago22 Feb 2027 – 11 Mar 2027: $1,098, found 3 days ago23 Apr 2027 – 23 Apr 2027: $1,160, found 2 days ago15 Jun 2027 – 26 Jun 2027: $1,037, found 7 days agoOctNovDecJanFebAprJun
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
27 Oct – 9 Dec$1,420Turkish AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out nonstop, back nonstopfound 7 days agoSee prices for these dates
2 Nov – 3 Dec$1,453Turkish AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
5 Nov – 18 Nov$1,349Turkish AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out nonstop, back nonstopfound 20 hours agoSee prices for these dates
2 Dec – 16 Dec$916Korean AirIstanbul New Airport (IST) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
7 Dec – 20 Dec$852Korean AirIstanbul New Airport (IST) → Incheon International Airport (ICN)out nonstop, back nonstopfound 7 days agoSee prices for these dates
11 Dec – 8 Jan 2027$1,022Turkish AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out nonstop, back nonstopfound 7 days agoSee prices for these dates
29 Dec – 26 Feb 2027$1,055Turkish AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
10 Jan 2027 – 18 Jan 2027$932Korean AirIstanbul New Airport (IST) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
22 Feb 2027 – 11 Mar 2027$1,098Turkish AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
23 Apr 2027 – 23 Apr 2027$1,160Turkish AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
15 Jun 2027 – 26 Jun 2027$1,037Turkish AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out nonstop, back nonstopfound 7 days agoSee prices for these dates

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work