$598 Cheap Thai Airways International flights Brussels (BRU) to Vientiane (VTE)

Grab affordable round-trip Thai Airways International flights from $924 from BRU to VTE by filtering your results from "Price (lowest to highest)" on Expedia. Or look for deals from $598 for a one-way journey.**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 BRU to VTE about one month before you want to leave. The most affordable time to reserve an international flight is usually 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. No matter your itinerary or ticket type, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Passengers who book on a Sunday can save 17% on average 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.

To find the earliest departure from BRU to VTE with Thai Airways International, filter your results by "Early Morning" and "Morning." Booking an early flight usually means you'll experience fewer 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 top choice for many passengers heading from BRU to VTE. Plus, as a Thai Royal Orchid Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.