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

A quick flight from Hong Kong to Washington, D.C. Dulles Intl Airport can take about 23h 49m. United Airlines provides one of the quickest options available for as low as $937. Hong Kong and Washington, D.C. Dulles Intl Airport are separated by a distance of 8135 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 vacation 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.

$512+ Flights from Hong Kong to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Hong Kong to Dulles Intl

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 diciembre 23, 2025.

mié. 12/2410:35 amHKG - IAD

2 stops25h 31mUnited Airlines

mié. 1/146:45 pmIAD - HKG

1 stop23h 15mUnited Airlines

Deal found 12/22

$884

vie. 12/2611:25 amHKG - IAD

2 stops24h 41mUnited Airlines

mié. 1/1412:35 pmIAD - HKG

1 stop29h 10mUnited Airlines

Deal found 12/21

$923

vie. 12/2610:30 amHKG - IAD

1 stop21h 00mAir China

vie. 1/1610:00 pmIAD - HKG

1 stop24h 40mAir China

Deal found 12/21

$924

vie. 12/2612:55 amHKG - IAD

2 stops35h 32mDelta

mar. 1/207:30 amIAD - HKG

2 stops26h 40mDelta

Deal found 12/21

$944

jue. 12/2510:00 amHKG - IAD

1 stop38h 45mTurkish Airlines

lun. 1/191:30 pmIAD - HKG

1 stop38h 35mTurkish Airlines

Deal found 12/21

$945

jue. 12/255:50 pmHKG - IAD

1 stop37h 40mAir China

mar. 1/2010:00 pmIAD - HKG

1 stop24h 40mAir China

Deal found 12/21

$959

vie. 12/2611:25 amHKG - IAD

2 stops22h 29mUnited Airlines

vie. 1/233:17 pmIAD - HKG

1 stop26h 43mUnited Airlines

Deal found 12/21

$961

mar. 12/2312:25 amHKG - IAD

1 stop28h 30mQatar Airways

mié. 1/1410:40 amIAD - HKG

1 stop22h 00mQatar Airways

Deal found 12/21

$973

mar. 12/2312:25 amHKG - IAD

1 stop28h 30mQatar Airways

lun. 1/198:05 pmIAD - HKG

1 stop36h 35mQatar Airways

Deal found 12/21

$975

mar. 12/2310:00 amHKG - IAD

1 stop38h 45mTurkish Airlines

mar. 1/139:15 pmIAD - HKG

1 stop22h 05mTurkish Airlines

Deal found 12/21

$1,000

vie. 12/266:10 pmHKG - IAD

2 stops35h 01mDelta

vie. 1/167:30 amIAD - HKG

2 stops26h 40mDelta

Deal found 12/22

$1,001

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 layovers in mind to ensure you get the best travel experience. Data last updated diciembre 23, 2025.

mié. 1/2811:25 amHKG - IAD

2 stops24h 53mUnited Airlines

dom. 2/110:20 pmIAD - HKG

1 stop43h 25mUnited Airlines

Deal found 12/20

$884

mié. 6/1012:20 pmHKG - IAD

2 stops23h 49mDelta

jue. 7/305:15 pmIAD - HKG

2 stops23h 45mDelta

Deal found 12/22

$937

vie. 3/612:55 amHKG - IAD

1 stop21h 55mKorean Air

sáb. 3/1412:50 pmIAD - HKG

1 stop40h 00mKorean Air

Deal found 12/21

$940

mar. 1/2011:20 pmHKG - IAD

1 stop25h 25mTurkish Airlines

mar. 2/39:15 pmIAD - HKG

1 stop30h 50mTurkish Airlines

Deal found 12/22

$976

jue. 2/511:25 amHKG - IAD

2 stops24h 53mUnited Airlines

jue. 2/126:20 amIAD - HKG

1 stop24h 00mUnited Airlines

Deal found 12/21

$884

mar. 1/2712:55 amHKG - IAD

1 stop21h 55mKorean Air

dom. 2/111:50 amIAD - HKG

1 stop34h 30mKorean Air

Deal found 12/20

$940

lun. 1/1912:55 amHKG - IAD

2 stops35h 11mDelta

mar. 2/35:26 pmIAD - HKG

2 stops40h 44mDelta

Deal found 12/22

$944

mar. 1/2010:35 amHKG - IAD

2 stops23h 38mUnited Airlines

mar. 2/36:45 pmIAD - HKG

1 stop23h 15mUnited Airlines

Deal found 12/22

$898

Last-minute flights from Hong Kong to Dulles Intl
Discover last-minute flight deals from Hong Kong to Dulles Intl. Data last updated diciembre 23, 2025 and is based on user searches.

mar. 12/2312:25 amHKG - IAD

1 stop28h 30mQatar Airways

mié. 1/1410:40 amIAD - HKG

1 stop22h 00mQatar Airways

Deal found 12/21

$973

mar. 12/2312:25 amHKG - IAD

1 stop28h 30mQatar Airways

lun. 1/198:05 pmIAD - HKG

1 stop36h 35mQatar Airways

Deal found 12/21

$975

mié. 12/2410:35 amHKG - IAD

2 stops25h 31mUnited Airlines

mié. 1/146:45 pmIAD - HKG

1 stop23h 15mUnited Airlines

Deal found 12/22

$884

jue. 12/2510:00 amHKG - IAD

1 stop38h 45mTurkish Airlines

jue. 1/151:30 pmIAD - HKG

1 stop38h 35mTurkish Airlines

Deal found 12/21

$945

jue. 12/255:50 pmHKG - IAD

1 stop37h 40mAir China

mar. 1/2010:00 pmIAD - HKG

1 stop24h 40mAir China

Deal found 12/21

$959

vie. 12/2610:30 pmHKG - IAD

2 stops26h 17mUnited Airlines

jue. 1/153:19 pmIAD - HKG

1 stop26h 41mUnited Airlines

Deal found 12/21

$923

vie. 12/2610:30 amHKG - IAD

1 stop21h 00mAir China

vie. 1/1610:00 pmIAD - HKG

1 stop24h 40mAir China

Deal found 12/21

$924

vie. 12/2612:55 amHKG - IAD

2 stops35h 32mDelta

mar. 1/207:30 amIAD - HKG

2 stops26h 40mDelta

Deal found 12/21

$944

vie. 12/2610:35 amHKG - IAD

2 stops23h 19mUnited Airlines

vie. 1/166:00 pmIAD - HKG

1 stop36h 15mUnited Airlines

Deal found 12/22

$961

mar. 1/2010:35 amHKG - IAD

2 stops23h 38mUnited Airlines

mar. 2/36:45 pmIAD - HKG

1 stop23h 15mUnited Airlines

Deal found 12/22

$898

mar. 1/2712:55 amHKG - IAD

1 stop21h 55mKorean Air

dom. 2/111:50 amIAD - HKG

1 stop34h 30mKorean Air

Deal found 12/21

$940

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 diciembre 23, 2025.

mar. 2/310:30 amHKG - IAD

1 stop21h 00mAir China

Deal found 12/21

$512

sáb. 2/289:05 pmHKG - IAD

3 stops50h 35mMultiple Airlines

Deal found 12/21

$515

mar. 5/56:15 pmHKG - IAD

2 stops41h 54mMultiple Airlines

Deal found 12/22

$564

jue. 5/78:10 pmHKG - IAD

3 stops33h 31mMultiple Airlines

Deal found 12/23

$568

mié. 4/2912:45 amHKG - IAD

1 stop22h 30mKorean Air

Deal found 12/22

$571

sáb. 3/148:05 pmHKG - IAD

3 stops47h 19mMultiple Airlines

Deal found 12/21

$573

vie. 3/1312:55 amHKG - IAD

1 stop21h 55mKorean Air

Deal found 12/21

$574

dom. 5/38:10 pmHKG - IAD

3 stops39h 59mMultiple Airlines

Deal found 12/22

$577

sáb. 3/1412:35 pmHKG - IAD

2 stops32h 35mDelta

Deal found 12/21

$579

jue. 4/3010:30 pmHKG - IAD

2 stops25h 13mUnited Airlines

Deal found 12/22

$582

Find flight deals from Hong Kong to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$884 (United Airlines)
One-way from	$512 (Air China)
Popular in	May
Cheapest in	April
Average price	$980

Provider with most accurate pricing for Hong Kong Intl-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Hong Kong Intl-Washington, D.C. (WAS) flights.

Search Deals

From Hong Kong to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Hong Kong to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($120 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($58 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

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

Depart

Return

Price

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

mié. 1/28

11:25 am-11:18 pm

2 stops24h 53m

Washington, D.C. Dulles Intl

dom. 2/1

10:20 pm-6:45 am

1 stop43h 25m

$884

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

jue. 2/5

11:25 am-11:18 pm

2 stops24h 53m

Washington, D.C. Dulles Intl

jue. 2/12

6:20 am-7:20 pm

1 stop24h 00m

$884

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

mar. 1/20

10:35 am-9:13 pm

2 stops23h 38m

Washington, D.C. Dulles Intl

mar. 2/3

6:45 pm-7:00 am

1 stop23h 15m

$898

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

mié. 6/10

12:20 pm-12:09 am

2 stops23h 49m

Washington, D.C. Dulles Intl

jue. 7/30

5:15 pm-5:00 am

2 stops23h 45m

$937

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

vie. 3/6

12:55 am-9:50 am

1 stop21h 55m

Washington, D.C. Dulles Intl

sáb. 3/14

12:50 pm-4:50 pm

1 stop40h 00m

$940

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

mar. 1/27

12:55 am-9:50 am

1 stop21h 55m

Washington, D.C. Dulles Intl

dom. 2/1

11:50 am-11:20 am

1 stop34h 30m

$940

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

lun. 1/19

12:55 am-11:06 pm

2 stops35h 11m

Washington, D.C. Dulles Intl

mar. 2/3

5:26 pm-11:10 pm

2 stops40h 44m

$944

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

mar. 1/20

11:20 pm-11:45 am

1 stop25h 25m

Washington, D.C. Dulles Intl

mar. 2/3

9:15 pm-5:05 pm

1 stop30h 50m

$976

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

mar. 5/5

6:15 pm-12:09 am

2 stops41h 54m

$564

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

mié. 5/6

5:55 pm-11:15 am

1 stop29h 20m

$571

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 18 results

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.

Estimated round-trip 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

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Hong Kong to Washington, D.C. Dulles Intl Airport?
A quick flight from Hong Kong to Washington, D.C. Dulles Intl Airport can take about 23h 49m. United Airlines provides one of the quickest options available for as low as $937. Hong Kong and Washington, D.C. Dulles Intl Airport are separated by a distance of 8135 mi. Both multi-stop and nonstop flights can be found to your destination and back.
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 vacation 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.

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$512+ Cheap flights from Hong Kong to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Hong Kong to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 diciembre 23, 2025.

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 diciembre 23, 2025.

Find flight deals from Hong Kong to Dulles Intl

Keep the following information in mind while searching for Hong Kong to Dulles Intl flight deals. Data was last updated diciembre 23, 2025.

Most accurate provider

Most trusted provider

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

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

Related info for your journey

Find useful and relevant information for your journey from Hong Kong to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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?

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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 diciembre 23, 2025.