Thai Airways International flights to Chiang Rai from Penang

You'll discover affordable round-trip Thai Airways International flights RM 1,455 from PEN to CEI by sorting your results from "Price (lowest to highest)" on Expedia. Or search for deals from RM 917 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.

August is one of the cheapest months to fly to Chiang Rai with Thai Airways International. You could also find great deals on return and one-way fares in May.

To figure out if there's a direct trip from PEN to CEI with Thai Airways International or another carrier, select the "Nonstop" filter when searching for flights.

Board a Thai Airways International flight from Penang Intl. Airport (PEN) to Chiang Rai, and you'll likely land at Chiang Rai Intl. Airport (CEI). This is the airline's primary hub in this destination.

Depending on your fare type, a fee generally applies if you cancel or change your flight more than 24 hours after it has been confirmed. To secure flexible plane tickets, select our "Changes included" or "No cancel fee" filter when looking for flights. For additional information on modifying or cancelling your reservation, go to "Trips," select your flight and tick "Manage Booking."