Cheapest return flights from Hanoi to Bangkok in September from $112

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

Return flights

07 Sep - 18 Sep Thai AirAsia direct
21 Sep - 24 Sep Thai AirAsia direct
17 Sep - 22 Sep VietJet Air direct
13 Sep - 16 Sep Thai AirAsia direct
17 Sep - 20 Sep Thai AirAsia direct
25 Sep - 25 Oct Thai AirAsia direct
19 Sep - 26 Sep VietJet Air
11 Sep - 15 Sep VietJet Air
19 Sep - 26 Sep Vietnam Airlines direct
11 Sep - 15 Sep Vietnam Airlines direct

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

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