Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hanoi to Williamsburg as you normally would.
Related info for your journey
Useful info, stats and facts about Hanoi to Williamsburg flights.
For a flight from Hanoi to Williamsburg, you will be flying from Noibai. Hanoi Noibai (HAN) is just 22.8 km from the center of the city. Noibai is the only Hanoi airport and it handles 0 outbound flights to Williamsburg per day. 0 airlines have flights to Williamsburg from Hanoi Noibai on a regular basis.
These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Hanoi Noibai Airport to Richmond Byrd Intl Airport flight would often be abbreviated as a HAN to RIC flight. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Norfolk Airport (ORF), Newport News Intl Airport (PHF), Salisbury-Ocean City Airport (SBY).