$91 Cheap Thai Airways International flights Bangkok (BKK) to Chiang Rai (CEI)

You'll discover affordable return Thai Airways International flights from $181 from BKK to CEI by organizing your results from "Price (lowest to highest)" on Expedia. Or look for options from $91 for a one-way trip.**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.

Start searching one to three months ahead of your departure date to get cheap fares on Thai Airways International flights from Suvarnabhumi Intl. Airport (BKK) to Chiang Rai Intl. Airport (CEI). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic trips.*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.

The earliest flight from BKK to CEI with Thai Airways International leaves at 8:10AM UTC+7. You'll touch down at 9:40AM UTC+7. The last Thai Airways International flight of the day leaves at 4:50PM UTC+7 and arrives at 6:20PM UTC+7. With approximately 20% fewer cancellations for morning departures, jetting out early is usually the wisest option.**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 jet off from BKK to CEI with Thai Airways International. Plus, when you sign up to Expedia's free One Key™ program, you can receive OneKeyCash™* on top of any airline loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.