Cheapest return flights from Singapore to Bangkok in December from $139

AirHint found the following cheapest return flights from Singapore (SIN) to Bangkok (BKK) in December 2025 (see full year).

Return flights

31 Dec - 07 Jan Thai Lion Air direct
03 Dec - 11 Dec Thai AirAsia direct
03 Dec - 04 Dec Thai AirAsia direct
03 Dec - 10 Dec Thai AirAsia direct
03 Dec - 09 Dec Thai AirAsia direct
03 Dec - 12 Dec Thai AirAsia direct
27 Dec - 10 Jan Thai AirAsia direct
03 Dec - 08 Dec Thai Lion Air direct
03 Dec - 17 Dec Thai AirAsia direct
31 Dec - 06 Jan Thai AirAsia direct
31 Dec - 13 Jan Thai AirAsia direct
31 Dec - 21 Jan Thai AirAsia direct
03 Dec - 15 Dec Thai AirAsia direct
31 Dec - 19 Jan Thai AirAsia direct
23 Dec - 06 Jan Thai AirAsia direct
23 Dec - 13 Jan Thai AirAsia direct
21 Dec - 06 Jan Thai AirAsia direct
22 Dec - 06 Jan Thai AirAsia direct
03 Dec - 07 Dec Thai AirAsia direct
08 Dec - 11 Dec Thai AirAsia direct

Also check the deals for one-way flights from Singapore to Bangkok in December.

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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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