Cheapest return flights from Bangkok to Chiang Rai in September from $47

AirHint found the following cheapest return flights from Bangkok (BKK) to Chiang Rai (CEI) in September 2025 (see full year).

Return flights

20 Sep - 27 Sep Thai VietJet Air direct
04 Sep - 06 Sep Thai VietJet Air direct
02 Sep - 02 Sep Thai VietJet Air direct
04 Sep - 07 Sep Thai VietJet Air direct
03 Sep - 03 Sep Thai VietJet Air direct
13 Sep - 25 Sep Thai VietJet Air direct
05 Sep - 09 Sep Thai AirAsia direct
28 Sep - 28 Sep Thai AirAsia direct
08 Sep - 09 Sep Thai AirAsia direct
08 Sep - 12 Sep Thai AirAsia direct
30 Sep - 14 Oct Thai AirAsia direct
30 Sep - 21 Oct Thai AirAsia direct
30 Sep - 09 Oct Thai AirAsia direct
20 Sep - 09 Oct Thai AirAsia direct
28 Sep - 14 Oct Thai AirAsia direct
28 Sep - 09 Oct Thai AirAsia direct
11 Sep - 01 Oct Thai AirAsia direct
30 Sep - 20 Oct Thai AirAsia direct
30 Sep - 01 Oct Thai AirAsia direct
20 Sep - 01 Oct Thai AirAsia direct

Also check the deals for one-way flights from Bangkok to Chiang Rai in September.

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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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