Title: Cheap Thai Smile Airways flights from Bangkok to Chiang Rai (BKK→CEI) - Expedia.co.uk ![Chiang Rai, Thailand](https://images.trvl-media.com/place/6094729/3ac06932-6098-412e-b39d-94b392857668.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Tau ScubaDiver ![](https://images.trvl-media.com/place/6094729/3ac06932-6098-412e-b39d-94b392857668.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Thai Smile Airways flights from Bangkok to Chiang Rai (BKK→CEI) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Travel information | Origin airport | Suvarnabhumi Intl. | | --- | --- | | Destination airport | Chiang Rai Intl. | | Airlines serving | Hahn Air Systems, Thai Airways International | | Popular airline | Hahn Air Systems | | Distance | 698 km | | Average flight time | 1 hour 28 mins | ## Explore a world of travel with Expedia - 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