Cheapest return flights from Bangkok to Udon Thani in September from $16

AirHint found the following cheapest return flights from Bangkok (BKK) to Udon Thani (UTH) in September 2026 (see full year).

Return flights

10 Sep - 17 Sep Thai VietJet Air direct
26 Sep - 28 Sep Thai AirAsia direct
25 Sep - 29 Sep Thai AirAsia direct
23 Sep - 24 Sep Thai AirAsia direct
24 Sep - 14 Oct Thai VietJet Air direct
03 Sep - 17 Sep Nok Air direct
03 Sep - 07 Sep Nok Air direct
03 Sep - 03 Sep Nok Air direct
23 Sep - 27 Sep Thai Airways direct

Also check the deals for one-way flights from Bangkok to Udon Thani in September.

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