Emirates’ customers can book through tickets via its Dubai hub and Bangkok on a single reservation.
The routes are flown on Boeing 777-300ER aircraft.
Da Nang is now Emirates’ third destination in Vietnam.
The new Dubai-Bangkok-Siem Reap flight operates three times a week and joins Emirates’ daily flights to Cambodia capital Phnom Penh via Singapore.
This expands Emirates’ presence in Cambodia to 10 flights a week.