$430 Cheap Flights from Washington (IAD) to Hong Kong (HKG)

View $430 flight on Tue, Mar 31, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $430 for one-way flights and $726 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, May 6 - Wed, Jun 10
IAD
Washington
HKG
Hong Kong SAR
$726 Roundtrip, found 3 days ago
$726
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, May 6 from Washington to Hong Kong SAR, returning Wed, Jun 10, priced at $726 found 3 days ago
Air China
Tue, Nov 11 - Fri, Nov 14
IAD
Washington
HKG
Hong Kong SAR
$837 Roundtrip, found 4 days ago
$837
Roundtrip
found 4 days ago
Select Air China flight, departing Tue, Nov 11 from Washington to Hong Kong SAR, returning Fri, Nov 14, priced at $837 found 4 days ago
Turkish Airlines
Wed, Jan 14 - Thu, Mar 12
IAD
Washington
HKG
Hong Kong SAR
$994 Roundtrip, found 1 day ago
$994
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Wed, Jan 14 from Washington to Hong Kong SAR, returning Thu, Mar 12, priced at $994 found 1 day ago
Korean Air
Mon, Feb 16 - Wed, Feb 18
IAD
Washington
HKG
Hong Kong SAR
$1,061 Roundtrip, found 1 hour ago
$1,061
Roundtrip
found 1 hour ago
Select Korean Air flight, departing Mon, Feb 16 from Washington to Hong Kong SAR, returning Wed, Feb 18, priced at $1,061 found 1 hour ago
United
Tue, Feb 17 - Thu, Feb 19
IAD
Washington
HKG
Hong Kong SAR
$1,071 Roundtrip, found 1 hour ago
$1,071
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Feb 17 from Washington to Hong Kong SAR, returning Thu, Feb 19, priced at $1,071 found 1 hour ago
Etihad Airways
Sun, Nov 2 - Sat, Nov 22
IAD
Washington
HKG
Hong Kong SAR
$1,073 Roundtrip, found 1 day ago
$1,073
Roundtrip
found 1 day ago
Select Etihad Airways flight, departing Sun, Nov 2 from Washington to Hong Kong SAR, returning Sat, Nov 22, priced at $1,073 found 1 day ago
All Nippon Airways
Tue, Oct 21 - Tue, Oct 28
IAD
Washington
HKG
Hong Kong SAR
$1,099 Roundtrip, just found
$1,099
Roundtrip
just found
Select All Nippon Airways flight, departing Tue, Oct 21 from Washington to Hong Kong SAR, returning Tue, Oct 28, priced at $1,099 just found
China Airlines
Tue, Oct 21 - Tue, Oct 28
IAD
Washington
HKG
Hong Kong SAR
$1,141 Roundtrip, just found
$1,141
Roundtrip
just found
Select China Airlines flight, departing Tue, Oct 21 from Washington to Hong Kong SAR, returning Tue, Oct 28, priced at $1,141 just found
British Airways
Wed, Nov 12 - Thu, Nov 20
IAD
Washington
HKG
Hong Kong SAR
$1,189 Roundtrip, found 5 days ago
$1,189
Roundtrip
found 5 days ago
Select British Airways flight, departing Wed, Nov 12 from Washington to Hong Kong SAR, returning Thu, Nov 20, priced at $1,189 found 5 days ago
Cathay Pacific
Tue, Nov 11 - Mon, Nov 17
IAD
Washington
HKG
Hong Kong SAR
$1,198 Roundtrip, found 2 hours ago
$1,198
Roundtrip
found 2 hours ago
Select Cathay Pacific flight, departing Tue, Nov 11 from Washington to Hong Kong SAR, returning Mon, Nov 17, priced at $1,198 found 2 hours ago

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

September is typically the cheapest month to fly

From $633 - $1,346 per traveler.

Alternative airports near Chek Lap Kok

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

Select flight to Macau Intl. MFM. Flights from $2,073
MFM
Macau Intl.
Flights from $2,073
Select flight to Shenzhen Intl. SZX. Flights from $1,492
SZX
Shenzhen Intl.
Flights from $1,492
Flights from Washington (IAD) to Hong Kong (HKG)
Origin airport
Washington Dulles Intl.
Destination airport
Hong Kong 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
$726
Distance
8139 mi

Washington to Hong Kong Flights

The cheapest times to fly from Washington to Hong Kong

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 Washington to Hong Kong are during the month of May. You can find some of the cheapest flights from Washington to Hong Kong with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Washington to Hong Kong: 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 Washington to Hong Kong

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 Washington to Hong Kong in 2025. You can also book with separate airlines for your outbound and return journeys, from $430 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 Washington to Hong Kong 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 Washington to Hong Kong 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 Washington Dulles Intl. Airport (IAD) to Hong Kong Intl. Airport (HKG) cost?
Lock in a cheap one-way flight from $430 or cheap return flight from $726 from Washington Dulles Intl. Airport (IAD) to Hong Kong Intl. Airport (HKG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Hong Kong Intl. Airport (HKG)?
The cheapest month to fly from IAD to HKG is May, when demand is low. Off-peak season is usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Hong Kong Intl. Airport (HKG)?
To find the cheapest airline that'll fly you from IAD to HKG, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Hong Kong Intl. Airport (HKG)?
You'll have to hop on a flight with a layover if you're traveling from Washington Dulles Intl. Airport (IAD) to Hong Kong Intl. Airport (HKG). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from IAD to HKG?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from IAD to HKG?
With 93% of journeys generally arriving as scheduled, Cathay Pacific has the best on-time performance for nonstop flights from Washington Dulles Intl. Airport (IAD) to Hong Kong Intl. Airport (HKG). To monitor your flight status and receive notifications about any changes, head to the Expedia App.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Hong Kong Intl. Airport (HKG)?
To land at Hong Kong Intl. Airport (HKG) on schedule, book a flight that takes off from Washington Dulles Intl. Airport (IAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Washington Dulles Intl. Airport (IAD) to Hong Kong Intl. Airport (HKG) last-minute?
Last-minute bookings from IAD to HKG are usually more expensive. To lock in the best prices, start searching for flights as soon as possible. That said, if you're flexible with your travel dates, it's possible to score a cheap ticket right before your journey.
Is it cheaper to book an IAD to HKG flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to HKG flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place will take the stress out of travel planning. Simply pick your flights and select from our wide range of stays, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Hong Kong Intl. Airport (HKG)?
In most instances, you're able to reschedule or cancel your IAD to HKG flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need further details, go to our Customer Service portal.

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*Available to One Key members.