To save on the cost of your flight from Noi-Bai to Richmond International (Byrd Field), book at least 58 days before your planned departure. Booking around this time can save you about 46% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $356 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $537.
Due to multiple factors, expect to potentially pay more when booking in March. For low rates, September can be a great choice for travel to Richmond International (Byrd Field). Flights to Richmond International (Byrd Field) from Noi-Bai in September are about $352 on average during September, but can be found for as low as $147.