AirHint found the following cheapest return flights from Seoul (ICN) to Vientiane (VTE) in July 2026 (see full year).

Return flights

24 Jul - 03 Aug	VietJet Air
25 Jul - 01 Aug	Singapore Airlines
06 Jul - 11 Jul	Singapore Airlines
24 Jul - 29 Jul	Thai Airways
22 Jul - 05 Aug	Thai Airways
22 Jul - 03 Aug	AirAsia X
22 Jul - 10 Aug	AirAsia X
22 Jul - 01 Aug	AirAsia X
22 Jul - 29 Jul	AirAsia X
24 Jul - 10 Aug	AirAsia X
24 Jul - 05 Aug	AirAsia X
24 Jul - 01 Aug	AirAsia X
22 Jul - 28 Jul	AirAsia X
24 Jul - 28 Jul	AirAsia X

Also check the deals for one-way flights from Seoul to Vientiane 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 Seoul to Vientiane in July from 386€

Return flights