Cheap Thai Smile Airways Flights from Chiang Rai to Ubon Ratchathani (CEI→UBP)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in
Flight from Chiang Rai to Ubon Ratchathani route information
Origin airport
Chiang Rai Intl.
Destination airport
Ubon Ratchathani Intl.
Distance
739 km
*Available to Expedia members.