$239 Cheap Thai Airways International flights Kuala Lumpur (KUL) to Vientiane (VTE)

Use the "Price (lowest to highest)" filter on Expedia to look for cheap Thai Airways International return flights from $344 from KUL to VTE. Affordable one-way options from $239 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Look for Thai Airways International flights from KUL to VTE about one month before you want to leave. The cheapest time to reserve an international flight is usually 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. Regardless of itinerary or ticket type, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Passengers who book on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

Filter your results by "Early Morning" and "Morning" to browse the earliest flights from KUL to VTE. Jetting off early means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

With top-tier customer service, Thai Airways International is a popular choice for many passengers departing from KUL to VTE. Plus, if you're a Thai Royal Orchid Plus and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.