Hai Phong,is a city in northern Vietnam and has the flight route from/to Dong Hoi city operated by Jetstar Pacific.
Between Hai Phong and Phong Nha is to take a flight with Jetstar Pacific to Dong Hoi City (located 45 mins drive from Phong Nha). From Dong Hoi, you will need to book an additional transfer to Phong Nha. We are happy to offer you a private transfer between Dong Hoi and Phong Nha in a 4-seater car for VND 660,000 each way.
The bus and train journeys are both just too long to be viable options for those wanting to travel quickly between the two cities. Alternatively, for those on a budget, but who have a little more time, it is common to find that the cheapest flights are often available between Hai Phong and Hanoi (versus direct to Dong Hoi). From Hanoi, one can find a train to get to Dong Hoi, or even a bus to Phong Nha directly.