Book Flights from Seattle (SEA) to Chiang Mai (CNX) with Cathay Pacific

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Each child passenger must be accompanied by an adult. For more information on bookings with children, please contact your local reservations office or view our guidelines for children travelling. If you are booking travel for children who are travelling alone, please check the age restrictions set by the operating carrier prior to booking.

Please note that for online bookings, infants under two will not occupy their own seat. To book an infant-occupied seat, or if your infant turns two during your trip, please contact your local reservations office.