AirHint found the following cheapest one-way flights from Chiang Rai (CEI) to Singapore (SIN) in December 2025 (see full year).
One-Way flights
| 12 Dec | Thai AirAsia | ||
| 10 Dec | Thai AirAsia | ||
| 14 Dec | Nok Air | ||
| 04 Dec | Thai AirAsia | ||
| 13 Dec | Thai AirAsia | ||
| 27 Dec | Thai AirAsia |
Also check the deals for return flights from Chiang Rai to Singapore in December.
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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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