Cheapest return flights from Bangkok to Hanoi in September from 135€

Best time to book flights for Bangkok (BKK) to Hanoi (HAN) flights at AirHint

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

Return flights

23 Sep - 04 Oct VietJet Air direct
19 Sep - 12 Oct VietJet Air direct
24 Sep - 08 Oct VietJet Air direct
13 Sep - 19 Sep VietJet Air direct
22 Sep - 25 Sep VietJet Air direct
28 Sep - 02 Oct VietJet Air direct
24 Sep - 27 Sep Vietnam Airlines direct
27 Sep - 30 Sep Thai AirAsia direct
27 Sep - 11 Oct Thai AirAsia direct
15 Sep - 20 Sep Thai AirAsia direct
15 Sep - 24 Sep Thai AirAsia direct
13 Sep - 20 Sep Thai AirAsia direct
27 Sep - 18 Oct Thai AirAsia direct
19 Sep - 20 Sep Thai AirAsia direct
14 Sep - 20 Sep Thai AirAsia direct
18 Sep - 20 Sep Thai AirAsia direct
28 Sep - 11 Oct Thai AirAsia direct
21 Sep - 11 Oct Thai AirAsia direct
27 Sep - 12 Oct Thai AirAsia direct
26 Sep - 11 Oct Thai AirAsia direct

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