AirHint found the following cheapest return flights from Chiang Mai (CNX) to Seoul (ICN)
in October 2025 (see full year ).
Return flights
01 Oct
- 12 Oct
Eastar Jet
318 €
direct
01 Oct
- 18 Oct
Eastar Jet
318 €
direct
01 Oct
- 11 Oct
Eastar Jet
318 €
direct
02 Oct
- 12 Oct
Eastar Jet
318 €
direct
02 Oct
- 18 Oct
Eastar Jet
318 €
direct
02 Oct
- 11 Oct
Eastar Jet
318 €
direct
23 Oct
- 25 Oct
Eastar Jet
331 €
direct
15 Oct
- 18 Oct
Eastar Jet
331 €
direct
15 Oct
- 25 Oct
Eastar Jet
331 €
direct
16 Oct
- 18 Oct
Eastar Jet
331 €
direct
23 Oct
- 08 Nov
Eastar Jet
336 €
22 Oct
- 08 Nov
Eastar Jet
336 €
23 Oct
- 10 Nov
Eastar Jet
343 €
22 Oct
- 10 Nov
Eastar Jet
343 €
19 Oct
- 08 Nov
Eastar Jet
350 €
25 Oct
- 08 Nov
Eastar Jet
350 €
18 Oct
- 08 Nov
Eastar Jet
350 €
25 Oct
- 10 Nov
Eastar Jet
356 €
30 Oct
- 08 Nov
AirAsia
371 €
30 Oct
- 10 Nov
AirAsia
377 €
Also check the deals for one-way flights from Chiang Mai to Seoul in October .
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.