Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Vietnam to Liberia as you normally would.
Related info for your journey
Useful info, stats and facts about Vietnam to Liberia flights.
Located just 12.5 km from the city center, Liberia (LIR) is the airport most travelers will use when flying to Liberia from Vietnam.
This is defined as Ho Chi Minh City Airport (SGN) and Liberia Airport (LIR). Codes like Liberia Airport are often used to just call airports uniquely. Da Nang Airport (DAD), Hanoi Noibai Airport (HAN), Nha Trang Cam Ranh Airport (CXR), Phu Quoc Duong Dang Airport (PQC), Dalat Lien Khuong Intl Airport (DLI) are other airports near this flight route and their unique identifiers/IATA codes.