$131 Cheap Thai Airways International flights Bangkok (BKK) to Vientiane (VTE)

Apply the "Price (lowest to highest)" filter on Expedia to look for cheap Thai Airways International round-trip flights from $224 from BKK to VTE. Affordable one-way fares from $131 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.

Check for Thai Airways International flights from BKK to VTE about one month before you want to go. The most affordable time to reserve an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. Regardless of fare class or itinerary, the best day of the week 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.

Leaving BKK at 11:55AM UTC+7, the first Thai Airways International flight to VTE arrives at 1:05PM UTC+7. Flying earlier in the day means you'll be less likely to experience delays.* Prefer to travel later? The last Thai Airways International flight from BKK to VTE departs at 6:30PM UTC+7 and touches down at 7:45PM UTC+7.*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.

Top-tier customer service and the chance to rack up points through Thai Royal Orchid Plus are the start of the reasons to fly from BKK to VTE with Thai Airways International. Plus, when you join Expedia's free One Key™ program, you can receive OneKeyCash™* alongside any airline loyalty program earnings. It's yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.