$529 Cheap Flights from Hong Kong (HKG) to Washington (IAD)

View $529 flight on Mon, Sep 8, 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 $529 for one-way flights and $889 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Airlines
Thu, Oct 23 - Sat, Nov 1
HKG
Hong Kong SAR
IAD
Washington
$889 Roundtrip, found 2 days ago
$889
Roundtrip
found 2 days ago
Select China Airlines flight, departing Thu, Oct 23 from Hong Kong SAR to Washington, returning Sat, Nov 1, priced at $889 found 2 days ago
United
Mon, Sep 1 - Sat, Sep 20
HKG
Hong Kong SAR
IAD
Washington
$901 Roundtrip, found 1 day ago
$901
Roundtrip
found 1 day ago
Select United flight, departing Mon, Sep 1 from Hong Kong SAR to Washington, returning Sat, Sep 20, priced at $901 found 1 day ago
Delta
Thu, Sep 4 - Tue, Sep 9
HKG
Hong Kong SAR
IAD
Washington
$949 Roundtrip, found 3 days ago
$949
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Sep 4 from Hong Kong SAR to Washington, returning Tue, Sep 9, priced at $949 found 3 days ago
Air Canada
Thu, Sep 4 - Wed, Sep 10
HKG
Hong Kong SAR
IAD
Washington
$965 Roundtrip, found 6 days ago
$965
Roundtrip
found 6 days ago
Select Air Canada flight, departing Thu, Sep 4 from Hong Kong SAR to Washington, returning Wed, Sep 10, priced at $965 found 6 days ago
Turkish Airlines
Sun, Dec 14 - Tue, Dec 30
HKG
Hong Kong SAR
IAD
Washington
$987 Roundtrip, found 6 days ago
$987
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Sun, Dec 14 from Hong Kong SAR to Washington, returning Tue, Dec 30, priced at $987 found 6 days ago
Korean Air
Fri, Dec 26 - Sat, Feb 28
HKG
Hong Kong SAR
IAD
Washington
$1,004 Roundtrip, found 7 hours ago
$1,004
Roundtrip
found 7 hours ago
Select Korean Air flight, departing Fri, Dec 26 from Hong Kong SAR to Washington, returning Sat, Feb 28, priced at $1,004 found 7 hours ago
All Nippon Airways
Wed, Sep 17 - Tue, Sep 30
HKG
Hong Kong SAR
IAD
Washington
$1,053 Roundtrip, found 6 days ago
$1,053
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Wed, Sep 17 from Hong Kong SAR to Washington, returning Tue, Sep 30, priced at $1,053 found 6 days ago
JetBlue Airways
Tue, Sep 23 - Tue, Oct 7
HKG
Hong Kong SAR
IAD
Washington
$1,071 Roundtrip, found 4 hours ago
$1,071
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Tue, Sep 23 from Hong Kong SAR to Washington, returning Tue, Oct 7, priced at $1,071 found 4 hours ago
Qatar Airways
Wed, Nov 5 - Fri, Nov 14
HKG
Hong Kong SAR
IAD
Washington
$1,091 Roundtrip, found 1 day ago
$1,091
Roundtrip
found 1 day ago
Select Qatar Airways flight, departing Wed, Nov 5 from Hong Kong SAR to Washington, returning Fri, Nov 14, priced at $1,091 found 1 day ago
Swiss International Air Lines
Mon, Sep 8 - Sun, Sep 21
HKG
Hong Kong SAR
IAD
Washington
$1,224 Roundtrip, found 1 day ago
$1,224
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Mon, Sep 8 from Hong Kong SAR to Washington, returning Sun, Sep 21, priced at $1,224 found 1 day ago

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

March is typically the cheapest month to fly

From $890 - $1,053 per traveler.

Graph displaying average flight prices per month

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city center is 8 minutes. Flights from $1,432
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $1,432
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, Air India, All Nippon Airways, 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
$889
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 $529 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?
Discover the latest flight deals from HKG to IAD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from HKG to IAD?
The cheapest flights from HKG to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from HKG to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from HKG to IAD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
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.