The first departure is usually near noon, the second in the mid-afternoon. If there is a third flight it s likely to depart from Bangkok in the morning. While departure times might change every 6 months, the changes are likely to be minimal while the frequency is basically maintained. The price of a one-way ticket is 1855 Baht. Chiang Rai - Bangkok Thai Airways has two to three direct flights daily from Chiang Rai to Bangkok.
Departures are around noon and in the late afternoon.
The price of a one-way ticket is 1855 Baht. Boat fare is 160 Baht per person or 1,600 per boat. Provincial Flights Chiang Mai - Chiang Rai Thai Airways has one to three direct flights daily from Chiang Mai to Chiang Rai. The first departure is in the morning, the second and third usually in the early afternoon. Flight time is around 40min.