Cheapest return flights from Bangkok to Khon Kaen in September from $18

AirHint found the following cheapest return flights from Bangkok (BKK) to Khon Kaen (KKC) in September 2026 (see full year).

Return flights

01 Sep - 17 Sep Thai VietJet Air direct
12 Sep - 26 Sep Thai AirAsia direct
10 Sep - 12 Sep Thai AirAsia direct
11 Sep - 13 Sep Thai AirAsia direct
26 Sep - 27 Sep Thai AirAsia direct
10 Sep - 13 Sep Thai Airways direct
26 Sep - 26 Sep Thai Airways direct
11 Sep - 12 Sep Thai Airways direct

Also check the deals for one-way flights from Bangkok to Khon Kaen in September.

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