Cheapest return flights from Istanbul to Seoul in April from $508

Best time to book flights for Istanbul (IST) to Seoul (GMP) flights at AirHint

AirHint found the following cheapest return flights from Istanbul (IST) to Seoul (GMP) in April 2025 (see full year).

Return flights

01 Apr - 11 Apr China Southern
01 Apr - 08 Apr China Southern
01 Apr - 07 May China Southern
10 Apr - 20 Apr China Southern
10 Apr - 19 Apr China Southern
17 Apr - 27 Apr China Southern
01 Apr - 13 Apr China Southern
11 Apr - 20 Apr Turkmenistan Airlines
14 Apr - 19 Apr Wizz Air
18 Apr - 20 Apr Turkmenistan Airlines
10 Apr - 17 Apr China Southern
26 Apr - 09 May AZAL
18 Apr - 03 May Air Astana
18 Apr - 01 May Turkish Airlines
15 Apr - 10 May Turkish Airlines
30 Apr - 09 May ANA
28 Apr - 02 May ANA
26 Apr - 11 May ANA

Also check the deals for one-way flights from Istanbul to Seoul in April.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Seoul

Cheap car rent in Seoul