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 50m. 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 HKG 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.

What airport do you fly from for flights from Hong Kong to Washington, D.C. Dulles Intl?

Hong Kong Intl (HKG) is the airport you will fly out of if you book a flight from Hong Kong to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Hong Kong Intl; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Hong Kong airport to Washington, D.C. Dulles Intl. It is only a 26.0 km journey to Hong Kong Intl (HKG) from Hong Kong’s city centre.

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$4,049+ 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 9 October 2026.

Thu 12-1110:35 -

1 stop23h 16m

Mon 16-1112:40 -

2 stops29h 20m

Deal found 7-10HK$5,415

Fri 9-1012:40 -

2 stops22h 45m

Wed 14-1016:15 -

1 stop24h 45m

Deal found 4-10HK$5,815

Thu 19-1110:35 -

2 stops23h 37m

Thu 26-1114:38 -

2 stops27h 07m

Deal found 5-10HK$6,113

Sat 21-1111:25 -

2 stops30h 54m

Sat 28-1106:39 -

1 stop23h 36m

Deal found 7-10HK$6,215

Tue 13-1009:30 -

2 stops21h 56m

Mon 26-1012:15 -

1 stop29h 30m

Deal found 7-10HK$6,419

Tue 20-1011:45 -

2 stops29h 46m

Tue 29-1222:54 -

2 stops31h 21m

Deal found 5-10HK$6,521

Fri 20-1110:30 -

1 stop21h 00m

Fri 27-1122:00 -

1 stop26h 05m

Deal found 6-10HK$7,102

Sun 25-1010:35 -

1 stop20h 26m

Sun 25-1022:35 -

2 stops36h 15m

Deal found 4-10HK$7,808

Tue 13-1019:40 -

1 stop32h 15m

Mon 26-1021:05 -

1 stop36h 35m

Deal found 4-10HK$8,083

Thu 8-1001:40 -

2 stops34h 19m

Wed 14-1007:02 -

2 stops28h 28m

Deal found 4-10HK$8,138

Find flight deals from Hong Kong to Dulles Intl

Round-trip from	HK$5,415
One-way from	HK$4,049
Popular in	July
Cheapest in	August
Average price	HK$10,578

United Airlines
12-11-16-11
3 total stops
52h 36m total
Hong Kong to Washington, D.C.

Search Deals

19-10-31-12
2 total stops
22h 59m total
Hong Kong to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (HK$1,483 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (HK$1,664 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 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

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Mon 8-3

14:00-05:31

2 stops28h 31m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,073

Fastest return journey

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Fri 20-11

13:40-20:35

1 stop19h 55m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,512

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Wed 28-10

13:40-21:35

1 stop19h 55m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,512

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Mon 26-10

17:50-19:30

1 stop37h 40m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,638

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Sun 15-11

09:30-05:44

2 stops33h 14m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,975

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Mon 19-10

19:40-08:45

1 stop25h 05m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$4,999

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Fri 20-11

11:25-05:10

3 stops54h 45m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,030

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$5,140

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Mon 15-2

10:10-20:55

1 stop23h 45m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,321

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Tue 3-11

11:25-23:15

2 stops24h 50m

Washington, D.C. Dulles Intl

Tue 16-3

08:30-19:15

1 stop22h 45m

HK$5,415

Flights are sorted by cheapest return flights first.

Deals found on 5-10

Showing 1-10 of 18 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

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$5,642). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of HK$11,065). 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

What airport do you fly from for flights from Hong Kong to Washington, D.C. Dulles Intl?
Hong Kong Intl (HKG) is the airport you will fly out of if you book a flight from Hong Kong to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Hong Kong Intl; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Hong Kong airport to Washington, D.C. Dulles Intl. It is only a 26.0 km journey to Hong Kong Intl (HKG) from Hong Kong’s city centre.
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 50m. 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$5,642). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of HK$11,065). 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.

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Cheapflights makes it easy to find Hong Kong to Dulles Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights simply makes it quick and affordable to book flights from Hong Kong to Dulles Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to Dulles Intl from Hong Kong? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Hong Kong to Dulles Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Hong Kong to Washington, D.C. Dulles Intl Airport from HK$4,049

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19-10. 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 9 October 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 9 October 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 9 October 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 9 October 2026.

Last-minute flights from Hong Kong to Dulles IntlDiscover last-minute flight deals from Hong Kong to Dulles Intl. Data last updated 9 October 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to Dulles Intl. Data last updated 9 October 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 9 October 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 9 October 2026.

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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

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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

What airport do you fly from for flights from Hong Kong to Washington, D.C. Dulles Intl?

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?

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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?

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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 9 October 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 9 October 2026.

Last-minute flights from Hong Kong to Dulles Intl
Discover last-minute flight deals from Hong Kong to Dulles Intl. Data last updated 9 October 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 9 October 2026.