AirHint found the following cheapest return flights from Seoul (ICN) to Chiang Mai (CNX)
in July 2025 (see full year ).
Return flights
15 Jul
- 18 Jul
Jin Air
$ 219
direct
15 Jul
- 22 Jul
Jin Air
$ 219
direct
15 Jul
- 17 Jul
Jin Air
$ 219
direct
14 Jul
- 15 Jul
Jin Air
$ 219
direct
14 Jul
- 18 Jul
Jin Air
$ 219
direct
14 Jul
- 22 Jul
Jin Air
$ 219
direct
14 Jul
- 17 Jul
Jin Air
$ 219
direct
13 Jul
- 15 Jul
Jin Air
$ 219
direct
13 Jul
- 18 Jul
Jin Air
$ 219
direct
13 Jul
- 22 Jul
Jin Air
$ 219
direct
30 Jul
- 19 Aug
AirAsia X
$ 252
15 Jul
- 19 Aug
Jeju Air
$ 260
direct
30 Jul
- 20 Aug
AirAsia X
$ 271
30 Jul
- 14 Aug
AirAsia X
$ 271
14 Jul
- 20 Aug
Jeju Air
$ 273
direct
15 Jul
- 21 Aug
Jeju Air
$ 273
direct
02 Jul
- 31 Aug
Jeju Air
$ 273
direct
30 Jul
- 07 Aug
AirAsia X
$ 273
30 Jul
- 15 Aug
AirAsia X
$ 273
30 Jul
- 13 Aug
AirAsia X
$ 279
Also check the deals for one-way flights from Seoul to Chiang Mai in July .
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.