AirHint found the following cheapest one-way flights from Lucknow (LKO) to Bangkok (DMK) in September 2025 (see full year).

One-Way flights

24 Sep	Thai AirAsia	direct
29 Sep	Thai AirAsia	direct
22 Sep	Thai AirAsia	direct
26 Sep	Thai AirAsia	direct
03 Sep	Thai AirAsia	direct
17 Sep	Thai AirAsia	direct
19 Sep	Thai AirAsia	direct
01 Sep	Thai AirAsia	direct
10 Sep	Thai AirAsia	direct
15 Sep	Thai AirAsia	direct

Also check the deals for return flights from Lucknow to Bangkok in September.

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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Cheapest one-way flights from Lucknow to Bangkok in September from 71€

One-Way flights