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Our cheapest offers for flights from Hong Kong to Vietnam

Here you can compare cheap flights from Hong Kong (HKG) to Vietnam for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Vietnam. Prices and availability may change at any time.

Flights from Hong Kong (HKG) to Hanoi (HAN)

	Outbound	Return	Airlines	Baggage	Price
Best option Hong Kong Hanoi	Outbound 03/29/25 direct UO0540 02h 15min	Return 04/02/25 direct UO0551 02h 10min	Hong Kong Express Airways		$116
Hong Kong Hanoi	Outbound 03/29/25 direct UO0540 02h 15min	Return 04/02/25 direct UO0551 02h 10min	Hong Kong Express Airways		$121
Hong Kong Hanoi	Outbound 03/29/25 direct UO0540 02h 15min	Return 04/02/25 direct UO0551 02h 10min	Hong Kong Express Airways	?	$122

Flights from Hong Kong (HKG) to Saigon (SGN)

	Outbound	Return	Airlines	Baggage	Price
Hong Kong Saigon	Outbound 03/29/25 1 Stopover (MNL) PR0311, PR0597 16h 40min	Return 04/02/25 1 Stopover (MNL) PR0592, PR0310 10h 55min	Philippine Airlines	?	$187
Best option Hong Kong Saigon	Outbound 03/29/25 direct VJ0877 02h 40min	Return 04/02/25 direct VJ0876 02h 40min	VietJet Air	?	$223
Hong Kong Saigon	Outbound 03/29/25 1 Stopover (SIN) TR0977, TR0302 20h 45min	Return 04/02/25 direct VJ0876 02h 40min	Scoot		$190