Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Manila to Duluth as you normally would.
Related info for your journey
Useful info, stats and facts about Manila to Duluth flights.
Manila Ninoy Aquino Intl Airport is MNL and Duluth Intl Airport is DLH. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.