Find Cathay Pacific(CX) flights from Hong Kong to Washington D.C.

At the moment, several airlines serve connecting flights from Hong Kong to Washington D.C., including: United Airlines Emirates Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Hong Kong to Washington D.C. is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

The cheapest months to fly from Hong Kong to Washington D.C. is September, when demand for travel is lower.

After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Hong Kong to Washington D.C. on December 12, 2025 with Air China, with prices starting at MYR 2,085.

You can land at any one of the following hubs in Washington D.C., with Hong Kong International Airport to Dulles International Airport (HKG-IAD) is by far the most common option on this route: Ronald Reagan Washington National Airport (DCA) Dulles International Airport (IAD).

The time difference between Washington D.C. and Hong Kong is 13h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.