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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 return found recently is $468 with China Southern Airlines, 5 Nov – 18 Nov, found 19 hours ago.

Return

The cheapest return fare on each of 48 departure dates is usually $557 to $696.

Cheapest return found recently

$468

5 Nov – 18 Nov · China Southern Airlines

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

Leaves 3:50 p.m. · Return leaves 1:30 p.m. · 47 h 30 min of travel, both ways together

out 1 stop, back 1 stop · via Beijing Daxing International Airport (PKX) · 14 h connection

found 19 hours ago

See prices for these datesCheck today's price

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 19 hours ago

See prices for these datesCheck today's price

Every nonstop date from Istanbul to Seoul

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Found recently, and the cheapest we hold

Cheapest found recently $468 5 Nov – 18 Novfound 19 hours agoSee prices for these dates

Cheapest we hold, of any age $462 11 Dec – 8 Jan 2027found 7 days agoSee prices for these dates

What have prices looked like?

Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $462 to $497.

$468, the cheapest return found recently, sits here in that range of $462 to $497.

25 days is a short history, so treat this range as an early guide.

Those were the prices on those days, not today's.

Is this a good return price?

Compared with the cheapest return fare on each of 48 departure dates from 20 Oct to 1 Jul 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.

Could nearby dates be cheaper?

We hold no other 13-night return fares leaving within 3 days of 5 Nov to compare.

Every date we hold

365 fares on 48 departure dates

20 Oct – 18 Nov: $870, found 2 days ago23 Oct – 10 Nov: $846, found 4 days ago26 Oct – 30 Nov: $615, found 2 days ago27 Oct – 9 Dec: $581, found 7 days ago29 Oct – 30 Nov: $789, found 2 days ago2 Nov – 3 Dec: $596, found 2 days ago5 Nov – 18 Nov: $468, found 19 hours ago11 Nov – 27 Nov: $669, found 3 days ago23 Nov – 22 Dec: $581, found 4 days ago24 Nov – 22 Dec: $591, found 4 days ago2 Dec – 17 Dec: $502, found 4 days ago7 Dec – 20 Dec: $529, found 7 days ago11 Dec – 8 Jan 2027: $462, found 7 days ago28 Dec – 25 Feb 2027: $596, found 6 days ago29 Dec – 26 Feb 2027: $521, found 6 days ago7 Jan 2027 – 12 Jan 2027: $583, found yesterday10 Jan 2027 – 18 Jan 2027: $495, found 5 days ago11 Jan 2027 – 24 Jan 2027: $495, found today22 Feb 2027 – 11 Mar 2027: $597, found 3 days ago23 Feb 2027 – 2 Mar 2027: $641, found 5 days ago24 Feb 2027 – 10 Mar 2027: $576, found yesterday6 Mar 2027 – 17 Mar 2027: $822, found 2 days ago11 Mar 2027 – 18 Mar 2027: $599, found 4 days ago13 Mar 2027 – 21 Mar 2027: $776, found 2 days ago16 Mar 2027 – 23 Mar 2027: $629, found 3 days ago19 Mar 2027 – 4 Apr 2027: $651, found 6 days ago20 Mar 2027 – 3 Apr 2027: $543, found 2 days ago21 Mar 2027 – 10 Apr 2027: $650, found yesterday23 Mar 2027 – 10 Apr 2027: $671, found 3 days ago25 Mar 2027 – 2 Apr 2027: $757, found today27 Mar 2027 – 10 Apr 2027: $549, found 6 days ago31 Mar 2027 – 7 Apr 2027: $684, found 2 days ago2 Apr 2027 – 16 Apr 2027: $904, found today3 Apr 2027 – 17 Apr 2027: $568, found today4 Apr 2027 – 17 Apr 2027: $666, found 6 days ago5 Apr 2027 – 15 Apr 2027: $545, found 4 days ago7 Apr 2027 – 20 Apr 2027: $893, found today9 Apr 2027 – 23 Apr 2027: $904, found today22 Apr 2027 – 23 Apr 2027: $803, found 2 days ago23 Apr 2027 – 23 Apr 2027: $1,160, found 2 days ago26 Apr 2027 – 8 May 2027: $558, found today8 May 2027 – 20 May 2027: $652, found 6 days ago15 May 2027 – 23 May 2027: $638, found 5 days ago19 May 2027 – 6 Jun 2027: $683, found 6 days ago24 May 2027 – 29 May 2027: $632, found 2 days ago30 May 2027 – 8 Jun 2027: $733, found yesterday15 Jun 2027 – 26 Jun 2027: $553, found 7 days ago1 Jul 2027 – 12 Jul 2027: $549, found 6 days agoOctNovDecJanFebMarAprMayJul
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
20 Oct – 18 Nov$870Turkish AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 2 stops, back 1 stopfound 2 days agoSee prices for these dates
23 Oct – 10 Nov$846AirAsia XSabiha Gokcen International Airport (SAW) → Incheon International Airport (ICN)out 3 stops, back 1 stopfound 4 days agoSee prices for these dates
26 Oct – 30 Nov$615Turkmenistan AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
27 Oct – 9 Dec$581Turkmenistan AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 7 days agoSee prices for these dates
29 Oct – 30 Nov$789Turkish AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 2 stops, back 1 stopfound 2 days agoSee prices for these dates
2 Nov – 3 Dec$596Turkmenistan AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
5 Nov – 18 Nov$468China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 19 hours agoSee prices for these dates
11 Nov – 27 Nov$669Turkmenistan AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
23 Nov – 22 Dec$581China EasternIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
24 Nov – 22 Dec$591China EasternIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
2 Dec – 17 Dec$502China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
7 Dec – 20 Dec$529China EasternIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 2 stopsfound 7 days agoSee prices for these dates
11 Dec – 8 Jan 2027$462China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 7 days agoSee prices for these dates
28 Dec – 25 Feb 2027$596Turkmenistan AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
29 Dec – 26 Feb 2027$521China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 2 stops, back 1 stopfound 6 days agoSee prices for these dates
7 Jan 2027 – 12 Jan 2027$583China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
10 Jan 2027 – 18 Jan 2027$495China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
11 Jan 2027 – 24 Jan 2027$495China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound todaySee prices for these dates
22 Feb 2027 – 11 Mar 2027$597Turkmenistan AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
23 Feb 2027 – 2 Mar 2027$641Turkmenistan AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
24 Feb 2027 – 10 Mar 2027$576Turkmenistan AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
6 Mar 2027 – 17 Mar 2027$822THAI AirwaysIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
11 Mar 2027 – 18 Mar 2027$599Centrum AirIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
13 Mar 2027 – 21 Mar 2027$776China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
16 Mar 2027 – 23 Mar 2027$629Turkmenistan AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
19 Mar 2027 – 4 Apr 2027$651China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
20 Mar 2027 – 3 Apr 2027$543China Southern AirlinesIstanbul New Airport (IST) → Gimpo International Airport (GMP)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
21 Mar 2027 – 10 Apr 2027$650China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
23 Mar 2027 – 10 Apr 2027$671Turkmenistan AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
25 Mar 2027 – 2 Apr 2027$757Centrum AirIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound todaySee prices for these dates
27 Mar 2027 – 10 Apr 2027$549China Southern AirlinesIstanbul New Airport (IST) → Gimpo International Airport (GMP)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
31 Mar 2027 – 7 Apr 2027$684China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
2 Apr 2027 – 16 Apr 2027$904Sichuan AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound todaySee prices for these dates
3 Apr 2027 – 17 Apr 2027$568China Southern AirlinesIstanbul New Airport (IST) → Gimpo International Airport (GMP)out 1 stop, back 1 stopfound todaySee prices for these dates
4 Apr 2027 – 17 Apr 2027$666China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
5 Apr 2027 – 15 Apr 2027$545China Southern AirlinesIstanbul New Airport (IST) → Gimpo International Airport (GMP)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
7 Apr 2027 – 20 Apr 2027$893Sichuan AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound todaySee prices for these dates
9 Apr 2027 – 23 Apr 2027$904Sichuan AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound todaySee prices for these dates
22 Apr 2027 – 23 Apr 2027$803MIAT Mongolian AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 2 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
26 Apr 2027 – 8 May 2027$558China Southern AirlinesIstanbul New Airport (IST) → Gimpo International Airport (GMP)out 1 stop, back 1 stopfound todaySee prices for these dates
8 May 2027 – 20 May 2027$652China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
15 May 2027 – 23 May 2027$638China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
19 May 2027 – 6 Jun 2027$683China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
24 May 2027 – 29 May 2027$632China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
30 May 2027 – 8 Jun 2027$733China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
15 Jun 2027 – 26 Jun 2027$553China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 7 days agoSee prices for these dates
1 Jul 2027 – 12 Jul 2027$549China Southern AirlinesIstanbul New Airport (IST) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $462.

October 2026From $5815 departure dates27 Oct – 9 Dec · found 7 days agoSee prices for these dates
November 2026From $4685 departure dates5 Nov – 18 Nov · found 19 hours agoSee prices for these dates
December 2026From $462Cheapest seen5 departure dates11 Dec – 8 Jan 2027 · found 7 days agoSee prices for these dates
January 2027From $4953 departure dates10 Jan 2027 – 18 Jan 2027 · found 5 days agoSee prices for these dates
February 2027From $5763 departure dates24 Feb 2027 – 10 Mar 2027 · found yesterdaySee prices for these dates
March 2027From $54311 departure dates20 Mar 2027 – 3 Apr 2027 · found 2 days agoSee prices for these datesEvery date in March 2027
April 2027From $5459 departure dates5 Apr 2027 – 15 Apr 2027 · found 4 days agoSee prices for these datesEvery date in April 2027
May 2027From $6325 departure dates24 May 2027 – 29 May 2027 · found 2 days agoSee prices for these dates
June 2027From $5531 departure date15 Jun 2027 – 26 Jun 2027 · found 7 days agoSee prices for these dates
July 2027From $5491 departure date1 Jul 2027 – 12 Jul 2027 · found 6 days agoSee prices for these dates

Airlines on the cheapest dates: China Southern Airlines, Turkmenistan Airlines, Turkish Airlines, China Eastern, Sichuan Airlines, Centrum Air, AirAsia X, THAI Airways.

Premium cabin fares from Istanbul to Seoul

We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.

Today's prices for 5 Nov – 18 Nov in another cabin: Premium economy · Business · First

How far ahead were prices cheapest for Istanbul to Seoul?

Return

Fares 30 to 59 days before departure were typically 28% lower than 14 to 29 days before departure.

From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

See these ranges as a table
Typical price in each booking range — round trip, per traveler in Economy.
Booked ahead byTypical fareCheapest dayAbove the cheapestDays of prices
14–29 days$676$468+39%18
30–59 days$485$462Cheapest seen23
60–89 days$495$462+2%25
90–179 days$561$468+16%25
180+ days$546$530+13%25

Live price for these dates

The cheapest return found recently is for 5 Nov – 18 Nov. A live search on this page shows what those dates cost now, for one adult in economy.

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