$570 Cheap Flights from Hong Kong (HKG) to Washington (IAD)

View $570 flight on Tue, Nov 4, 2025Opens in a new window

Popular airlines from Hong Kong International Airport (HKG) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Hong Kong to Washington (HKG-IAD)

Prices were available within the past 7 days and start at $570 for one-way flights and $868 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Oct 23 - Sat, Nov 1
HKG
Hong Kong SAR
IAD
Washington
$868 Roundtrip, found 1 day ago
$868
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 23 from Hong Kong SAR to Washington, returning Sat, Nov 1, priced at $868 found 1 day ago
Air Canada
Wed, Dec 24 - Mon, Jan 5
HKG
Hong Kong SAR
IAD
Washington
$940 Roundtrip, found 6 days ago
$940
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Dec 24 from Hong Kong SAR to Washington, returning Mon, Jan 5, priced at $940 found 6 days ago
Air China
Tue, Oct 28 - Tue, Nov 4
HKG
Hong Kong SAR
IAD
Washington
$947 Roundtrip, found 6 days ago
$947
Roundtrip
found 6 days ago
Select Air China flight, departing Tue, Oct 28 from Hong Kong SAR to Washington, returning Tue, Nov 4, priced at $947 found 6 days ago
Turkish Airlines
Sat, Oct 11 - Thu, Oct 23
HKG
Hong Kong SAR
IAD
Washington
$991 Roundtrip, found 3 days ago
$991
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Sat, Oct 11 from Hong Kong SAR to Washington, returning Thu, Oct 23, priced at $991 found 3 days ago
JetBlue Airways
Sat, Oct 11 - Sun, Oct 26
HKG
Hong Kong SAR
IAD
Washington
$992 Roundtrip, just found
$992
Roundtrip
just found
Select JetBlue Airways flight, departing Sat, Oct 11 from Hong Kong SAR to Washington, returning Sun, Oct 26, priced at $992 just found
Qatar Airways
Mon, Oct 20 - Wed, Nov 5
HKG
Hong Kong SAR
IAD
Washington
$1,018 Roundtrip, just found
$1,018
Roundtrip
just found
Select Qatar Airways flight, departing Mon, Oct 20 from Hong Kong SAR to Washington, returning Wed, Nov 5, priced at $1,018 just found
Korean Air
Tue, Nov 4 - Tue, Nov 18
HKG
Hong Kong SAR
IAD
Washington
$1,093 Roundtrip, found 8 hours ago
$1,093
Roundtrip
found 8 hours ago
Select Korean Air flight, departing Tue, Nov 4 from Hong Kong SAR to Washington, returning Tue, Nov 18, priced at $1,093 found 8 hours ago
Cathay Pacific
Mon, Nov 3 - Mon, Nov 10
HKG
Hong Kong SAR
IAD
Washington
$1,132 Roundtrip, found 3 days ago
$1,132
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Mon, Nov 3 from Hong Kong SAR to Washington, returning Mon, Nov 10, priced at $1,132 found 3 days ago
Delta
Thu, Oct 2 - Sat, Mar 21
HKG
Hong Kong SAR
IAD
Washington
$1,148 Roundtrip, found 3 days ago
$1,148
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Oct 2 from Hong Kong SAR to Washington, returning Sat, Mar 21, priced at $1,148 found 3 days ago
All Nippon Airways
Mon, Oct 6 - Wed, Nov 5
HKG
Hong Kong SAR
IAD
Washington
$1,211 Roundtrip, found 12 hours ago
$1,211
Roundtrip
found 12 hours ago
Select All Nippon Airways flight, departing Mon, Oct 6 from Hong Kong SAR to Washington, returning Wed, Nov 5, priced at $1,211 found 12 hours ago

Find the cheapest month to fly from Chek Lap Kok (HKG) to Washington (IAD)

September is typically the cheapest month to fly

From $853 - $1,274 per traveler.
Flights from Hong Kong (HKG) to Washington (IAD)
Origin airport
Hong Kong Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air China, Air France, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, Delta, Emirates, Etihad Airways, Japan Airlines, JetBlue Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$867
Distance
8139 mi

Hong Kong to Washington Flights

The cheapest times to fly from Hong Kong to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Hong Kong to Washington are during the month of October. You can find some of the cheapest flights from Hong Kong to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Hong Kong to Washington

Sunday is one of the best days to book for cheap flights from Hong Kong to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Hong Kong to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Hong Kong to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $570 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Hong Kong to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Hong Kong to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Hong Kong Intl. Airport (HKG) to Washington Dulles Intl. Airport (IAD) cost?
Grab a cheap one-way flight from $570 or cheap return flight from $868 from Hong Kong Intl. Airport (HKG) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Hong Kong Intl. Airport (HKG) to Washington Dulles Intl. Airport (IAD)?
October is the least expensive month to fly from HKG to IAD. Avoiding peak travel times is often the key to finding better fares.
What is the cheapest airline that flies from Hong Kong Intl. Airport (HKG) to Washington Dulles Intl. Airport (IAD)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest HKG to IAD flight.
How many flights per day from Hong Kong Intl. Airport (HKG) to Washington Dulles Intl. Airport (IAD)?
Direct flights from Hong Kong Intl. Airport (HKG) to Washington Dulles Intl. Airport (IAD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from HKG to IAD?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from HKG to IAD?
Cathay Pacific has the best track record for on-time direct flights from Hong Kong Intl. Airport (HKG) to Washington Dulles Intl. Airport (IAD), with an on-time rating of 93%. Use the Expedia App to view your journey status before you jet off and get immediate updates about any trip changes.
What is the best time to fly from Hong Kong Intl. Airport (HKG) to Washington Dulles Intl. Airport (IAD)?
To avoid potential delays on the Hong Kong Intl. Airport (HKG) to Washington Dulles Intl. Airport (IAD) route, fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Hong Kong Intl. Airport (HKG) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your ticket from HKG to IAD just before your trip is usually more expensive. But if there's some wiggle room with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a HKG to IAD flight and hotel package?
You can save money by booking a HKG to IAD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your ideal accommodations and flights, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Hong Kong Intl. Airport (HKG) to Washington Dulles Intl. Airport (IAD)?
In most cases, you can cancel or reschedule your HKG to IAD flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like further information, head to our Customer Service portal.

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*Available to One Key members.