AirHint found the following cheapest return flights from Vientiane (VTE) to Kolkata (CCU) in July 2025 (see full year).

Return flights

27 Jul - 01 Aug	Thai AirAsia
30 Jul - 01 Aug	Thai AirAsia
10 Jul - 25 Jul	Thai AirAsia
27 Jul - 13 Aug	Thai AirAsia
30 Jul - 13 Aug	Thai AirAsia
10 Jul - 18 Jul	Thai AirAsia
10 Jul - 23 Jul	Thai AirAsia
03 Jul - 18 Jul	Thai AirAsia
03 Jul - 10 Jul	Thai AirAsia
03 Jul - 23 Jul	Thai AirAsia
27 Jul - 02 Aug	Thai AirAsia
30 Jul - 02 Aug	Thai AirAsia
27 Jul - 14 Aug	Thai AirAsia
30 Jul - 14 Aug	Thai AirAsia
02 Jul - 18 Jul	Thai AirAsia
02 Jul - 10 Jul	Thai AirAsia
02 Jul - 23 Jul	Thai AirAsia
02 Jul - 04 Jul	Thai AirAsia

Also check the deals for one-way flights from Vientiane to Kolkata in July.

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 Vientiane to Kolkata in July from $333

Return flights