Find cheap airlines flights from Hong Kong to Washington D.C.

You can choose from 7 airlines that fly from Hong Kong to Washington D.C., including United Airlines, HK Express, and Korean Air. Air China has lowest fares on this route.
United Airlines logo United Airlines
HK Express logo HK Express
Korean Air logo Korean Air
Air China logo Air China
Delta Air Lines logo Delta Air Lines
China Airlines logo China Airlines
EVA Air logo EVA Air
Airlines are determined based on actual purchased flight tickets from Hong Kong to Washington D.C. according to previous 12 months data from Trip.com.

Find flight deals from Hong Kong to Washington D.C. for the next 3 months. Book one way flights from $492 or round trip flights from $919.

Displayed flight fares from Hong Kong to Washington D.C. are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Hong Kong to Washington D.C.

The distance between Hong Kong and Washington D.C. is approximately 13,108.26 km. Based on Trip.com's data travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight price$492
Cheapest round-trip ticket price$919
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance13,108.26 km
Popular airlineUnited Airlines
Flight statistics for the Hong Kong–Washington D.C. route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Hong Kong to Washington D.C.

Which month has the cheapest one-way flights from Hong Kong to Washington D.C.?

The average price of one-way flights from Hong Kong to Washington D.C. purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Hong Kong to Washington D.C. is April, with an average price of $163; while the month with the highest flight price is usually August, with an average price of up to $1,190.

$1,190
$677
$163
0
  • $163
    Apr
  • $736
    May
  • $959
    Jun
  • $968
    Jul
  • $1,190
    Aug
  • $746
    Sep
  • $753
    Oct
  • $811
    Nov
  • $686
    Dec
  • $936
    Jan
  • $707
    Feb
  • $706
    Mar

What is the cheapest month for round-trip flights from Hong Kong to Washington D.C.?

Average price of round-trip flights from Hong Kong to Washington D.C. purchased by Trip.com users by month over the past 12 months

According to historical data from Trip.com, the lowest prices for flights from Hong Kong to Washington D.C. are found during July, with an average price of $976. Conversely, the highest prices are found during May, with an average price of up to $1,804.

$1,804
$1,390
$976
$562
    Cheapest
  • $1,217
    Apr
  • $1,804
    May
  • $1,569
    Jun
  • $976
    Jul
  • $1,351
    Aug
  • $1,189
    Sep
  • $1,397
    Oct
  • $1,233
    Nov
  • $1,284
    Dec
  • $1,556
    Jan
  • $1,359
    Feb
  • $1,376
    Mar

Frequently Asked Questions

  • What are the cheapest flights from Hong Kong to Washington D.C. (HKG-WAS)?

    Based on Trip.com data, Air China offers one-way fares as low as $492 on Cheapest nonstop routes (e.g. HKG to IAD on Wed, Jun 10), while Qatar Airways offers Cheapest nonstop round-trips from $919 departing on Thu, Apr 30 and returning on Tue, May 5.
  • At the moment, you can catch a nonstop flight from Hong Kong to Washington D.C. with the following airlines, including: HK Express Selected airlines are based on historical data collected from flight bookings users made 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.
  • 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 Wed, Jun 10, with one-way flights priced at just $492.
    · 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.
  • 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 April flight calendar, it's currently cheapest to fly from Hong Kong to Washington D.C. on April 26, 2026 with Air Premia, with prices starting at $531.
  • 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: Dulles International Airport (IAD) Ronald Reagan Washington National Airport (DCA).
  • 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.

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.