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Cheap flights from Seoul to Istanbul

One-way from $276, found by travellers in the last 7 days. The live price is checked when you book.

Prices for nearby dates

Mon, Nov 16$300 Tue, Nov 17$356 Wed, Nov 18$286 Thu, Nov 19$276 Fri, Nov 20$400 Sat, Nov 21$330 Sun, Nov 22Any price Mon, Nov 23$314

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest

$276

Turkmenistan Airlines, flight T5 674Found today, 1 adult

Check live price

8:20pmSeoulThu, Nov 19

Travel time 12h 50m, 1 stopICNIST

3:10amIstanbulFri, Nov 20

$280

Turkmenistan Airlines, flight T5 678Found yesterday, 1 adult

Check live price

6:30amSeoulWed, Dec 16

Travel time 12h 50m, 1 stopICNIST

1:20pmIstanbulWed, Dec 16

$280

Turkmenistan Airlines, flight T5 678Found yesterday, 1 adult

Check live price

6:30amSeoulWed, Dec 23

Travel time 12h 50m, 1 stopICNIST

1:20pmIstanbulWed, Dec 23

$280

Turkmenistan Airlines, flight T5 674Found yesterday, 1 adult

Check live price

8:20pmSeoulThu, Dec 24

Travel time 12h 50m, 1 stopICNIST

3:10amIstanbulFri, Dec 25

$281

Turkmenistan Airlines, flight T5 674Found yesterday, 1 adult

Check live price

8:20pmSeoulThu, Dec 17

Travel time 12h 50m, 1 stopICNIST

3:10amIstanbulFri, Dec 18

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

Mobile data in TurkeyTravel eSIM from $4, installed before you fly.
Compare plans
Getting from the airportTransfers and car hire in Istanbul, booked ahead at a fixed price.
See options
Things to do in IstanbulPopular tours from $32 per person.
See ideas
Travel insuranceTravel insurance quotes for Turkey from EKTA; check what each policy covers.
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Flight delayed?Delayed or cancelled? See which passenger rights cover this route.
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Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu12345678910111213141516171819202122232425$496 26$369 27$385 28$415 29$362 30$497 31$438

November 2026

MoTuWeThFrSaSu1$472 2$356 3$343 4$367 5$355 6$368 7$359 8$345 9$313 10$335 11$291 12$287 13$365 14$358 15$360 16$300 17$356 18$286 19$276 20$400 21$330 22–23$314 24$353 25$286 26$287 27–28$335 29–30$311

December 2026

MoTuWeThFrSaSu1–2$285 3$289 4$316 5–6$368 7$314 8$323 9$287 10$289 11$326 12$336 13$357 14$311 15$308 16$280 17$281 18$309 19$352 20–21$303 22$354 23$2802425262728293031

$294 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 19, $276.

Lowest fares by month

In the fares found this week, November has the lowest: from $276 one-way, against $372 in September 2027. Pick a month to see its cheapest date.

Show as a table

Month	Cheapest one-way	Date	Stops
October	$362	Thu, Oct 29	1 stop
November	$276	Thu, Nov 19	1 stop
December	$280	Wed, Dec 23	1 stop
January 2027	$284	Wed, Jan 6	1 stop
February 2027	$285	Wed, Feb 17	1 stop
March 2027	$282	Thu, Mar 11	1 stop
April 2027	$358	Mon, Apr 5	1 stop
May 2027	$358	Thu, May 20	1 stop
June 2027	$349	Tue, Jun 8	1 stop
July 2027	—
August 2027	$350	Mon, Aug 9	1 stop
September 2027	$372	Sun, Sep 12	1 stop

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in Istanbul. Average daily high and low and monthly precipitation, 1991–2020 normals.

	Oct2026	Nov	Dec	Jan2027	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep
Lowest fare	$362	$276	$280	$284	$285	$282	$358	$358	$349	–	$350	$372
High °C	20°	15°	11°	9°	9°	12°	16°	21°	26°	28°	28°	25°
Low °C	14°	9°	6°	4°	4°	5°	8°	13°	17°	20°	21°	17°
Precipitation mm	98	101	125	96	88	70	45	37	45	36	44	81

Source: Istanbul on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

What is the cheapest month to fly from Seoul to Istanbul?

In the fares found this week, November has the lowest: from $276 one-way, against $372 in September 2027.

What is the weather in Istanbul in November?

In November, the cheapest month to fly, the average daily high in Istanbul is 15 °C and the low 9 °C.

Are there direct flights from Seoul to Istanbul?

None of the fares found recently are nonstop. The cheapest options have at least one stop.

Which day of the week is cheapest to fly?

In the fares we have, Wednesday departures are the cheapest, with a typical lowest fare of $286. Sunday is the priciest at about $368.

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