AirHint found the following cheapest return flights from Mumbai (BOM) to Vientiane (VTE) in December 2025 (see full year).

Return flights

05 Dec - 09 Dec	Thai Airways
26 Dec - 31 Dec	Thai Airways
17 Dec - 22 Dec	Thai Airways
16 Dec - 22 Dec	Thai Airways
09 Dec - 15 Dec	Thai Airways
05 Dec - 10 Dec	Thai Airways
01 Dec - 06 Dec	Thai Airways
16 Dec - 24 Dec	Thai Airways
19 Dec - 26 Dec	Thai Airways
12 Dec - 19 Dec	Thai Airways
29 Dec - 06 Jan	Thai Airways
22 Dec - 01 Jan	IndiGo
31 Dec - 04 Jan	Thai Airways
30 Dec - 04 Jan	Thai Airways
25 Dec - 04 Jan	Thai Airways
24 Dec - 04 Jan	Thai Airways
27 Dec - 03 Jan	Thai Airways
28 Dec - 01 Jan	Thai Airways
14 Dec - 01 Jan	Thai Airways
06 Dec - 02 Jan	Thai Airways

Also check the deals for one-way flights from Mumbai to Vientiane in December.

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 return flights from Mumbai to Vientiane in December from $529

Return flights