$213 Cheap Korean Air flights Seoul (ICN) to Chiang Mai (CNX)

Set the "Price (lowest to highest)" filter on Expedia to search for cheap Korean Air round-trip flights from $405 from ICN to CNX. Affordable one-way options from $213 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

To get affordable flights from ICN to CNX with Korean Air, start your search about one month before your intended departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

The first Korean Air flight from ICN to CNX departs at 10:05AM UTC+9, touching down at 2:05PM UTC+7. If you prefer to jet off later in the day, the last Korean Air flight leaves ICN at 7:05PM UTC+9 and touches down at CNX at 11:05PM UTC+7. Flying before midday is generally a wise choice as morning flights are 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

Journey from ICN to CNX with Korean Air and you can look forward to a host of benefits including a 5-star airline rating. When you book through Expedia as a Korean Airlines Skypass and One Key™ member, you can also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.