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

Return flights

01 Dec - 05 Dec	Thai AirAsia X
01 Dec - 07 Dec	Thai AirAsia X
19 Dec - 07 Jan	Thai AirAsia X
29 Dec - 07 Jan	Thai AirAsia X
24 Dec - 07 Jan	Thai AirAsia X
21 Dec - 07 Jan	Thai AirAsia X
29 Dec - 03 Jan	Thai Airways
18 Dec - 04 Jan	Thai Airways
23 Dec - 28 Dec	Thai Airways
24 Dec - 30 Dec	Thai Airways
21 Dec - 03 Jan	Thai Airways
19 Dec - 28 Dec	Thai AirAsia X
25 Dec - 27 Dec	VietJet Air
21 Dec - 28 Dec	Thai AirAsia X
19 Dec - 04 Jan	Thai AirAsia X
29 Dec - 04 Jan	Thai AirAsia X
24 Dec - 04 Jan	Thai AirAsia X

Also check the deals for one-way flights from Delhi 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 Delhi to Vientiane in December from $430

Return flights