AirHint found the following cheapest return flights from Istanbul (IST) to Seoul (ICN)
in May 2025 (see full year ).
Return flights
27 May
- 03 Jun
China Southern
$ 513
15 May
- 29 May
China Southern
$ 514
27 May
- 18 Jun
China Southern
$ 525
13 May
- 25 May
China Southern
$ 527
20 May
- 27 May
China Southern
$ 528
15 May
- 25 May
China Southern
$ 528
20 May
- 29 May
China Southern
$ 528
13 May
- 20 May
China Southern
$ 528
03 May
- 16 May
China Southern
$ 528
13 May
- 16 May
China Southern
$ 528
20 May
- 25 May
China Southern
$ 571
14 May
- 27 May
China Southern
$ 574
20 May
- 03 Jun
China Southern
$ 575
27 May
- 01 Jun
China Southern
$ 584
27 May
- 07 Jun
China Southern
$ 626
27 May
- 08 Jun
MIAT Mongolian Airlines
$ 640
21 May
- 01 Jun
Sichuan Airlines
$ 643
26 May
- 01 Jun
AZAL
$ 643
27 May
- 10 Jun
China Southern
$ 644
23 May
- 02 Jun
AJet
$ 654
Also check the deals for one-way flights from Istanbul to Seoul in May .
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.
