Cheap Flights from Hong Kong to Washington D.C. from S$ 662

Frequently Asked Questions

• Which airlines offer the cheapest flights from Hong Kong (HKG) to Washington D.C. (WAS)?

  Based on Trip.com data, Air China offers one-way fares as low as S$ 662 on Cheapest nonstop routes (e.g. HKG to IAD on Fri, Jun 5), while Qatar Airways offers Cheapest nonstop round-trips from S$ 1,174 departing on Tue, May 19 and returning on Mon, May 25.

• Which airlines offer flights from Hong Kong to Washington D.C.?

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

• When is the best time to book flights from Hong Kong to Washington D.C.?

  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.

• How can I find the best deals on flights from Hong Kong to Washington D.C.?

  To find best deals on flights from Hong Kong to Washington D.C., you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Jun 5, with one-way flights priced at just S$ 662.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air China.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Washington D.C. travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Hong Kong to Washington D.C. to get the best price?

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

• Which upcoming date is the cheapest for flights from Hong Kong to Washington D.C.?

  After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Hong Kong to Washington D.C. on May 14, 2026 with Qatar Airways, with prices starting at S$ 1,260.

• Which airports can I fly through when travelling to Washington D.C. from Hong Kong?

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

• What is the time difference between Hong Kong and Washington D.C.?

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

• How can I change or cancel my flight ticket from Hong Kong to Washington D.C.?

  Tickets can only be changed or cancelled 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.