AirHint found the following cheapest one-way flights from Chiang Rai (CEI) to Seoul (ICN) in April 2026 (see full year).
One-Way flights
| 22 Apr | Thai AirAsia | ||
| 01 Apr | Nok Air | ||
| 14 Apr | Thai AirAsia | ||
| 16 Apr | Thai AirAsia | ||
| 04 Apr | Thai AirAsia | ||
| 13 Apr | Thai Lion Air | ||
| 02 Apr | Thai AirAsia | ||
| 03 Apr | Thai AirAsia | ||
| 15 Apr | Thai AirAsia | ||
| 05 Apr | Thai AirAsia |
Also check the deals for return flights from Chiang Rai to Seoul in April.
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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.
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