Cheap Flights to Son Dong from HK$698

View HK$698 flight on Wed, 20 Aug 2025Opens in a new window

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Cheap round-trip flights to Son Dong

Prices were available within the past 7 days and start at HK$698 for one-way flights and HK$1,373 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Vietjet Air
Tue, 16 Sep - Fri, 19 Sep
ICN
Seoul
HPH
Hai Phong
HK$1,373 Return, found 1 day ago
HK$1,373
Return
found 1 day ago
Select Vietjet Air flight, departing Tue, 16 Sep from Seoul to Hai Phong, returning Fri, 19 Sep, priced at HK$1,373 found 1 day ago
FlexFlight
Tue, 16 Sep - Fri, 19 Sep
ICN
Seoul
HPH
Hai Phong
HK$1,515 Return, found 1 day ago
HK$1,515
Return
found 1 day ago
Select FlexFlight flight, departing Tue, 16 Sep from Seoul to Hai Phong, returning Fri, 19 Sep, priced at HK$1,515 found 1 day ago
APG Distribution System
Tue, 16 Sep - Fri, 19 Sep
ICN
Seoul
HPH
Hai Phong
HK$1,539 Return, found 1 day ago
HK$1,539
Return
found 1 day ago
Select APG Distribution System flight, departing Tue, 16 Sep from Seoul to Hai Phong, returning Fri, 19 Sep, priced at HK$1,539 found 1 day ago
Vietnam Airlines
Tue, 16 Sep - Fri, 19 Sep
ICN
Seoul
HPH
Hai Phong
HK$1,672 Return, found 1 day ago
HK$1,672
Return
found 1 day ago
Select Vietnam Airlines flight, departing Tue, 16 Sep from Seoul to Hai Phong, returning Fri, 19 Sep, priced at HK$1,672 found 1 day ago
Hahn Air Systems
Tue, 16 Sep - Fri, 19 Sep
ICN
Seoul
HPH
Hai Phong
HK$2,535 Return, found 1 day ago
HK$2,535
Return
found 1 day ago
Select Hahn Air Systems flight, departing Tue, 16 Sep from Seoul to Hai Phong, returning Fri, 19 Sep, priced at HK$2,535 found 1 day ago
Flights to Son Dong information
Destination airport
Cat Bi
Destination airport IATA code
HPH
Destination city name
Haiphong
Return price
HK$1,373
*Available to Expedia members.