Cheapest return flights from Chiang Mai to Doha in September from $509

AirHint found the following cheapest return flights from Chiang Mai (CNX) to Doha (DOH) in September 2025 (see full year).

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.