From Hanoi, there are international flights on Thai Airways International and Singapore Airlines to Phuket:

By Thai Airways International

From		To		Transit	Flight
City	Local time	City	Local time	Bang Kok	TG683/213
Hanoi	10:40	Phuket	15:25

* Flight time and schedules may change, please check on actual date for the update.

By Singapore Airlines

From		To		Transit	Flight
City	Local Time	City	Local Time	Singapore (Changi)	SQ 175
Hanoi	13:30	Phuket	20:45

* Flight time and schedules may change, please check on actual date for the update.

See Also:

Return flight

Flights from Phuket to Hanoi

Other flights from Hanoi to Thailand

Flights from Hanoi to Bangkok
Flights from Hanoi to Chiang Mai

International flights from Ho Chi Minh City to Thailand

Flights from Ho Chi Minh City to Bang Kok
Flights from Ho Chi Minh City to Chiang Mai
Flights from Ho Chi Minh City to Phuket