How long is the flight from Hong Kong to Washington, D.C. Dulles Intl Airport?

United Airlines can get you from Hong Kong to Washington, D.C. Dulles Intl Airport in just under 24h. Your travel time can differ by up to . Hong Kong and Washington, D.C. Dulles Intl Airport are separated by a distance of 13092 km.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

What is the cheapest time of day to fly from HK to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hong Kong to Washington, D.C. Dulles Intl Airport as you normally would.

Can I find deals for flights from Hong Kong to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Hong Kong to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Hong Kong to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Dulles Intl.

Can I find deals for business class flights from Hong Kong to Dulles Intl?

Yes. Cheapflights offers flight deals from Hong Kong to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

HK$4,094+ Cheap Flights from Hong Kong to Washington, D.C. Dulles Intl Airport

Cheap flight deals from Hong Kong to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Hong Kong to Dulles Intl
Explore the most affordable flight options available from Hong Kong to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 November 2026.

Fri 20-1111:25 -

2 stops24h 00m

Mon 30-1116:15 -

1 stop25h 30m

Deal found 5-11HK$6,934

Wed 23-1222:45 -

2 stops25h 45m

Tue 19-114:34 -

1 stop27h 11m

Deal found 3-11HK$7,067

Mon 21-1218:05 -

1 stop34h 50m

Wed 30-1220:05 -

1 stop29h 45m

Deal found 3-11HK$8,949

Fri 20-1118:05 -

1 stop34h 50m

Mon 30-1120:05 -

1 stop29h 45m

Deal found 5-11HK$9,067

Wed 16-1218:05 -

1 stop34h 50m

Wed 23-1220:05 -

1 stop36h 35m

Deal found 1-11HK$9,577

Fri 20-1119:45 -

2 stops46h 55m

Mon 30-1117:25 -

3 stops29h 35m

Deal found 5-11HK$9,899

Sat 19-1200:25 -

1 stop28h 30m

Sun 27-1220:05 -

1 stop29h 45m

Deal found 5-11HK$9,930

Fri 18-1219:45 -

1 stop26h 15m

Fri 25-1214:25 -

1 stop29h 15m

Deal found 3-11HK$10,259

Wed 23-1220:05 -

3 stops32h 08m

Tue 19-109:55 -

2 stops23h 45m

Deal found 3-11HK$10,479

Wed 16-1216:55 -

2 stops29h 05m

Wed 23-1209:05 -

2 stops24h 50m

Deal found 1-11HK$11,091

Find flight deals from Hong Kong to Dulles Intl

Round-trip from	HK$6,934
One-way from	HK$4,094
Popular in	July
Cheapest in	August
Average price	HK$8,997

United Airlines
20-11-30-11
3 total stops
49h 30m total
Hong Kong to Washington, D.C.

Search Deals

10-12-31-12
2 total stops
53h 00m total
Hong Kong to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (HK$2,660 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (HK$1,764 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Hong Kong to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Fastest return journey

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Mon 15-2

13:40-20:35

1 stop19h 55m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,275

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Sat 21-11

00:15-05:40

2 stops42h 25m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,494

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Wed 16-12

13:40-20:35

1 stop19h 55m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,510

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Wed 24-2

13:40-20:35

1 stop19h 55m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,510

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Wed 27-1

13:40-20:35

1 stop19h 55m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,510

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Mon 25-1

13:30-00:19

3 stops47h 49m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,596

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Sun 22-11

18:05-15:55

1 stop34h 50m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,879

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Mon 30-11

00:25-15:55

1 stop28h 30m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,894

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Tue 1-12

13:30-11:11

3 stops34h 41m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,067

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Tue 16-2

20:05-05:31

2 stops22h 26m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,138

Flights are sorted by cheapest return flights first.

Deals found on 4-11

Showing 1-10 of 16 resultsSorted by cheapest first

Best time to book a flight from Hong Kong to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Hong Kong with our price prediction graph.

HKG-IAD

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Hong Kong to Washington, D.C. Dulles Intl Airport

HK0-IAD

HKG-IAD

What is the cheapest month to book a flight from Hong Kong to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Hong Kong to Washington, D.C. Dulles Intl Airport (average of HK$5,639). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of HK$11,059). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

How long is the flight from Hong Kong to Washington, D.C. Dulles Intl Airport?
United Airlines can get you from Hong Kong to Washington, D.C. Dulles Intl Airport in just under 24h. Your travel time can differ by up to . Hong Kong and Washington, D.C. Dulles Intl Airport are separated by a distance of 13092 km.
Can I find deals for flights from Hong Kong to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Hong Kong to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Hong Kong to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Dulles Intl.
Can I find deals for business class flights from Hong Kong to Dulles Intl?
Yes. Cheapflights offers flight deals from Hong Kong to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Hong Kong to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Hong Kong to Washington, D.C. Dulles Intl Airport (average of HK$5,639). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of HK$11,059). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Arlington

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to United States

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Hong Kong to Dulles Intl

Hong Kong to Reagan-National flights

Hong Kong to Dulles Intl flights

Hong Kong to Baltimore flights

Fly with Cheapflights

How does Cheapflights help users find flights from Hong Kong to Dulles Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hong Kong to Dulles Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Dulles Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Dulles Intl from Hong Kong.

Can Cheapflights find flights from Hong Kong to Dulles Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Hong Kong to Dulles Intl with no change fees.

Can Cheapflights notify me if prices for flights from Hong Kong to Dulles Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from Hong Kong today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Hong Kong to Washington, D.C. Dulles Intl Airport from HK$4,094

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10-12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Hong Kong to Dulles Intl

Cheapest flights from Hong Kong to Dulles IntlExplore the most affordable flight options available from Hong Kong to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 November 2026.

Explore the most affordable flight options available from Hong Kong to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 November 2026.

Best flights from Hong Kong to Dulles IntlDiscover carefully curated flight deals from Hong Kong to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 November 2026.

Discover carefully curated flight deals from Hong Kong to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 November 2026.

Last-minute flights from Hong Kong to Dulles IntlDiscover last-minute flight deals from Hong Kong to Dulles Intl. Data last updated 6 November 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to Dulles Intl. Data last updated 6 November 2026 and is based on user searches.

One-way flights from Hong Kong to Dulles IntlSearch for one-way flight options from Hong Kong to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 6 November 2026.

Search for one-way flight options from Hong Kong to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 6 November 2026.

Find flight deals from Hong Kong to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Hong Kong to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from Hong Kong to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Hong Kong with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Hong Kong to Washington, D.C. Dulles Intl Airport?

Related info for your journey

How long is the flight from Hong Kong to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Hong Kong to Dulles Intl that include hotel bookings?

How can I find direct flights from Hong Kong to Dulles Intl?

Can I find deals for business class flights from Hong Kong to Dulles Intl?

What is the cheapest month to book a flight from Hong Kong to Washington, D.C. Dulles Intl Airport?

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Hong Kong to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Dulles Intl by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Hong Kong to Dulles Intl by cabin class

Find flights from Hong Kong to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hong Kong and Dulles Intl flights

Browse other Hong Kong and Dulles Intl flight options. Last updated on 6 November 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from Hong Kong to Dulles Intl?

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Dulles Intl?

Can Cheapflights find flights from Hong Kong to Dulles Intl with no change fees?

Can Cheapflights notify me if prices for flights from Hong Kong to Dulles Intl become cheaper?

100% Free

Book With Flexibility

Travel Smart

Cheapest flights from Hong Kong to Dulles Intl
Explore the most affordable flight options available from Hong Kong to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 November 2026.

Best flights from Hong Kong to Dulles Intl
Discover carefully curated flight deals from Hong Kong to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 November 2026.

Last-minute flights from Hong Kong to Dulles Intl
Discover last-minute flight deals from Hong Kong to Dulles Intl. Data last updated 6 November 2026 and is based on user searches.

One-way flights from Hong Kong to Dulles Intl
Search for one-way flight options from Hong Kong to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 6 November 2026.