Cheapest return flights from Seoul to Chiang Mai in July from $175

Best time to book flights for Seoul (ICN) to Chiang Mai (CNX) flights at AirHint

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 Jeju Air direct
04 Jul - 09 Jul Jeju Air direct
05 Jul - 07 Jul Jeju Air direct
12 Jul - 16 Jul Jeju Air direct
04 Jul - 10 Jul Jeju Air direct
04 Jul - 18 Jul Jeju Air direct
03 Jul - 10 Jul Jeju Air direct
05 Jul - 10 Jul Jeju Air direct
14 Jul - 16 Jul Jeju Air direct
05 Jul - 09 Jul Jeju Air direct
15 Jul - 20 Aug Jeju Air direct
14 Jul - 28 Aug Jeju Air direct
16 Jul - 20 Aug Jeju Air direct
11 Jul - 21 Aug Jeju Air direct
10 Jul - 24 Aug Jeju Air direct
21 Jul - 28 Aug Jeju Air direct
17 Jul - 21 Aug Jeju Air direct
16 Jul - 06 Aug AirAsia X
16 Jul - 04 Aug AirAsia X
17 Jul - 20 Aug Jeju Air direct

Also check the deals for one-way flights from Seoul to Chiang Mai in July.

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 Chiang Mai

Cheap car rent in Chiang Mai