When flying from Hong Kong to Portland, Maine, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Related info for your journey
Useful info, stats and facts about Hong Kong to Portland flights.
Portland (PWM), located 4.7 km from the city centre, is the airport you fly into when you book flights from Hong Kong to Portland.
These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Hong Kong Intl Airport to Portland Airport flight would often be abbreviated as a HKG to PWM flight.