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

United Airlines and Air China can get you from Hong Kong to Washington, D.C. Dulles Intl Airport in just under 21h. Your travel time can differ by up to 5h 24m. Hong Kong and Washington, D.C. Dulles Intl Airport are separated by a distance of 13092 km. This flight may include one or multiple stops. Find deals

What are the cheapest airlines flying from Hong Kong to Washington, D.C. Dulles Intl Airport round-trip?

United Airlines, at HK$6,966, was found to be the cheapest airline from Hong Kong to Washington, D.C. Dulles Intl Airport. An alternate airline flying to your destination would be Korean Air. These flights start at 19% lower than the current average price 3 months from now. Find deals

What is the cheapest day to fly from Hong Kong to Washington, D.C. Dulles Intl Airport?

Travellers seeking maximum savings on their Hong Kong to Washington, D.C. Dulles Intl Airport flight should consider departing on Saturday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time. Find deals

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. Find deals

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 day to fly return from Hong Kong to Washington, D.C. Dulles Intl Airport?

It’s generally more expensive to depart on a Saturday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

September can be a great time to fly to Washington, D.C. Dulles Intl Airport from Hong Kong with a flight ticket averaging about HK$8,086. Cheapflights users have found deals in the month of September for as cheap as HK$7,424. The most expensive prices can be found in the month of August.

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

It’s typically best to fly out from Hong Kong to Washington, D.C. Dulles Intl Airport in the morning. Doing so could potentially save you 13% on the flight price compared to flying at midday, which is usually more expensive.

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$3,790+ Flights from Hong Kong to Washington, D.C. Dulles Intl Airport

Cheap flight deals from Hong Kong to Dulles Intl

Round-trip from	HK$6,669
One-way from	HK$3,790
Popular in	May
Cheapest in	April
Average price	HK$7,549

United Airlines
3-11-10-11
3 total stops
51h 59m total
Hong Kong to Washington, D.C.

Search Deals

14-11
2 total stops
29h 43m total
Hong Kong to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (HK$1,396 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (HK$1,226 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find 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 13 September 2025.

Mon 15-911:15HKG - IAD

2 stops25h 17mLufthansa

Sun 28-917:42IAD - HKG

1 stop23h 58mLufthansa

Deal found 11-9HK$6,163

Sun 26-1022:30HKG - IAD

2 stops25h 19mUnited Airlines

Sun 2-1122:08IAD - HKG

1 stop32h 07mUnited Airlines

Deal found 11-9HK$6,669

Tue 28-1010:35HKG - IAD

2 stops25h 24mUnited Airlines

Tue 4-1116:10IAD - HKG

1 stop25h 35mUnited Airlines

Deal found 12-9HK$6,677

Mon 20-1018:55HKG - IAD

2 stops29h 00mUnited Airlines

Thu 30-1020:04IAD - HKG

1 stop22h 56mUnited Airlines

Deal found 12-9HK$6,778

Tue 28-1010:30HKG - IAD

1 stop21h 00mAir China

Tue 4-1122:00IAD - HKG

1 stop26h 05mAir China

Deal found 12-9HK$7,035

Mon 3-1111:10HKG - IAD

2 stops32h 13mMultiple Airlines

Mon 10-1107:43IAD - HKG

2 stops36h 32mMultiple Airlines

Deal found 12-9HK$7,191

Sun 2-1110:00HKG - IAD

1 stop38h 45mTurkish Airlines

Wed 12-1121:10IAD - HKG

1 stop30h 55mTurkish Airlines

Deal found 12-9HK$7,206

Mon 3-1120:25HKG - IAD

2 stops37h 29mAir Canada

Tue 11-1116:25IAD - HKG

2 stops37h 15mAir Canada

Deal found 12-9HK$7,315

Mon 20-1020:10HKG - IAD

2 stops23h 23mChina Airlines

Thu 30-1007:43IAD - HKG

2 stops37h 32mChina Airlines

Deal found 12-9HK$7,338

Tue 4-1110:30HKG - IAD

1 stop21h 00mAir China

Tue 11-1122:00IAD - HKG

1 stop24h 45mAir China

Deal found 12-9HK$7,370

Tue 28-1013:30HKG - IAD

2 stops28h 53mMultiple Airlines

Tue 4-1118:13IAD - HKG

2 stops26h 57mMultiple Airlines

Deal found 12-9HK$7,447

Tue 4-1114:20HKG - IAD

1 stop38h 20mANA

Mon 10-1108:30IAD - HKG

2 stops25h 20mANA

Deal found 12-9HK$7,455

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 13 September 2025.

Mon 3-1110:35HKG - IAD

2 stops26h 24mUnited Airlines

Mon 10-1116:10IAD - HKG

1 stop25h 35mUnited Airlines

Deal found 12-9HK$6,669

Tue 28-1010:30HKG - IAD

1 stop21h 00mAir China

Tue 4-1122:00IAD - HKG

1 stop26h 05mAir China

Deal found 12-9HK$7,035

Tue 28-1013:30HKG - IAD

2 stops28h 53mMultiple Airlines

Tue 4-1118:13IAD - HKG

2 stops26h 57mMultiple Airlines

Deal found 12-9HK$7,447

Wed 17-1200:25HKG - IAD

1 stop28h 30mJetBlue

Fri 2-110:40IAD - HKG

1 stop22h 00mJetBlue

Deal found 11-9HK$7,603

Mon 27-1000:25HKG - IAD

1 stop28h 30mQatar Airways

Tue 4-1120:05IAD - HKG

1 stop36h 35mQatar Airways

Deal found 12-9HK$7,657

Sun 21-1220:25HKG - IAD

2 stops38h 00mAir Canada

Wed 7-113:15IAD - HKG

2 stops40h 25mAir Canada

Deal found 11-9HK$7,914

Sun 2-1122:30HKG - IAD

2 stops26h 19mUnited Airlines

Wed 12-1116:10IAD - HKG

1 stop25h 35mUnited Airlines

Deal found 12-9HK$6,669

Sun 18-122:45HKG - IAD

2 stops25h 59mUnited Airlines

Sat 24-118:04IAD - HKG

1 stop36h 16mUnited Airlines

Deal found 10-9HK$6,669

Sun 26-1018:05HKG - IAD

1 stop34h 50mJetBlue

Sun 2-1120:05IAD - HKG

1 stop29h 45mJetBlue

Deal found 11-9HK$7,696

Tue 28-1010:35HKG - IAD

2 stops25h 24mUnited Airlines

Tue 4-1116:10IAD - HKG

1 stop25h 35mUnited Airlines

Deal found 12-9HK$6,677

Sun 26-1022:30HKG - IAD

2 stops20h 51mUnited Airlines

Sun 2-1112:55IAD - HKG

2 stops29h 05mUnited Airlines

Deal found 11-9HK$7,619

Last-minute flights from Hong Kong to Dulles Intl
Discover last-minute flight deals from Hong Kong to Dulles Intl. Data last updated 13 September 2025 and is based on user searches.

Mon 15-911:15HKG - IAD

2 stops25h 17mLufthansa

Sun 28-917:42IAD - HKG

1 stop23h 58mLufthansa

Deal found 11-9HK$6,163

Mon 15-922:30HKG - IAD

1 stop21h 38mUnited Airlines

Sun 28-922:14IAD - HKG

1 stop30h 31mUnited Airlines

Deal found 11-9HK$7,510

Sun 19-1001:25HKG - IAD

1 stop26h 15mQatar Airways

Thu 30-1021:05IAD - HKG

1 stop36h 35mQatar Airways

Deal found 12-9HK$7,556

Mon 20-1018:55HKG - IAD

2 stops29h 00mUnited Airlines

Thu 30-1020:04IAD - HKG

1 stop22h 56mUnited Airlines

Deal found 12-9HK$6,778

Mon 20-1020:10HKG - IAD

2 stops23h 23mChina Airlines

Thu 30-1007:43IAD - HKG

2 stops37h 32mChina Airlines

Deal found 12-9HK$7,338

Sun 26-1022:30HKG - IAD

2 stops25h 19mUnited Airlines

Sun 2-1122:08IAD - HKG

1 stop32h 07mUnited Airlines

Deal found 11-9HK$6,669

Sun 26-1018:05HKG - IAD

1 stop34h 50mJetBlue

Sun 2-1120:05IAD - HKG

1 stop29h 45mJetBlue

Deal found 11-9HK$7,696

Mon 27-1000:25HKG - IAD

1 stop28h 30mQatar Airways

Tue 4-1120:05IAD - HKG

1 stop36h 35mQatar Airways

Deal found 12-9HK$7,657

Tue 28-1010:35HKG - IAD

2 stops25h 24mUnited Airlines

Tue 4-1116:10IAD - HKG

1 stop25h 35mUnited Airlines

Deal found 12-9HK$6,677

Tue 28-1010:30HKG - IAD

1 stop21h 00mAir China

Tue 4-1122:00IAD - HKG

1 stop26h 05mAir China

Deal found 12-9HK$7,035

Tue 28-1013:30HKG - IAD

2 stops28h 53mMultiple Airlines

Tue 4-1118:13IAD - HKG

2 stops26h 57mMultiple Airlines

Deal found 12-9HK$7,447

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 13 September 2025.

Fri 14-1113:40HKG - IAD

2 stops29h 43mMultiple Airlines

Deal found 12-9HK$3,790

Sun 2-1111:15HKG - IAD

3 stops43h 08mMultiple Airlines

Deal found 11-9HK$3,837

Sun 7-1207:10HKG - IAD

3 stops42h 39mMultiple Airlines

Deal found 11-9HK$3,868

Sun 28-923:00HKG - IAD

3 stops56h 55mMultiple Airlines

Deal found 12-9HK$4,086

Wed 29-1013:40HKG - IAD

2 stops28h 43mMultiple Airlines

Deal found 10-9HK$4,101

Thu 18-920:10HKG - IAD

3 stops40h 05mMultiple Airlines

Deal found 12-9HK$4,148

Fri 24-1013:40HKG - IAD

2 stops29h 53mMultiple Airlines

Deal found 10-9HK$4,303

Mon 1-1222:45HKG - IAD

3 stops55h 45mMultiple Airlines

Deal found 11-9HK$4,358

Tue 28-1020:05HKG - IAD

2 stops22h 18mMultiple Airlines

Deal found 10-9HK$4,389

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

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 3-11

10:35-23:59

2 stops26h 24m

Washington, D.C. Dulles Intl

Mon 10-11

16:10-06:45

1 stop25h 35m

HK$6,669

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 2-11

22:30-11:49

2 stops26h 19m

Washington, D.C. Dulles Intl

Wed 12-11

16:10-06:45

1 stop25h 35m

HK$6,669

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 18-1

22:45-11:44

2 stops25h 59m

Washington, D.C. Dulles Intl

Sat 24-1

18:04-19:20

1 stop36h 16m

HK$6,669

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 28-10

10:35-23:59

2 stops25h 24m

Washington, D.C. Dulles Intl

Tue 4-11

16:10-06:45

1 stop25h 35m

HK$6,677

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 28-10

10:30-19:30

1 stop21h 00m

Washington, D.C. Dulles Intl

Tue 4-11

22:00-13:05

1 stop26h 05m

HK$7,035

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 28-10

13:30-06:23

2 stops28h 53m

Washington, D.C. Dulles Intl

Tue 4-11

18:13-10:10

2 stops26h 57m

HK$7,447

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 17-12

00:25-15:55

1 stop28h 30m

Washington, D.C. Dulles Intl

Fri 2-1

10:40-21:40

1 stop22h 00m

HK$7,603

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 26-10

22:30-07:21

2 stops20h 51m

Washington, D.C. Dulles Intl

Sun 2-11

12:55-07:00

2 stops29h 05m

HK$7,619

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 27-10

00:25-16:55

1 stop28h 30m

Washington, D.C. Dulles Intl

Tue 4-11

20:05-21:40

1 stop36h 35m

HK$7,657

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 26-10

18:05-16:55

1 stop34h 50m

Washington, D.C. Dulles Intl

Sun 2-11

20:05-14:50

1 stop29h 45m

HK$7,696

Flights are sorted by cheapest return flights first.

Deals found on 11-9

Showing 1-10 of 20 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 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

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

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Korean Air and United Airlines from Hong Kong to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.4

Very Good

1,139 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Korean Air

8.4

Very Good

1,139 reviews

Korean Air

8.4

Very Good

1,139 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

United Airlines

7.4

Good

8,936 reviews

Korean Air

8.4

Very Good

1,139 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Related info for your journey

How long is the flight from Hong Kong to Washington, D.C. Dulles Intl Airport?
United Airlines and Air China can get you from Hong Kong to Washington, D.C. Dulles Intl Airport in just under 21h. Your travel time can differ by up to 5h 24m. Hong Kong and Washington, D.C. Dulles Intl Airport are separated by a distance of 13092 km. This flight may include one or multiple stops.
What are the cheapest airlines flying from Hong Kong to Washington, D.C. Dulles Intl Airport round-trip?
United Airlines, at HK$6,966, was found to be the cheapest airline from Hong Kong to Washington, D.C. Dulles Intl Airport. An alternate airline flying to your destination would be Korean Air. These flights start at 19% lower than the current average price 3 months from now.
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.

See more FAQs

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Alternative routes for Hong Kong to Dulles Intl

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Washington, D.C. Dulles Intl Airport car hire

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Shaw car hire

Anacostia car hire

Top 2 airlines flying from Hong Kong to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestHK$6,966	AverageHK$8,572	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Korean Air	CheapestHK$8,090	AverageHK$11,989	FlexibilityNo cancel fee	On-time81%	Search Korean Air 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.

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Cheap flights from Hong Kong to Washington, D.C. Dulles Intl Airport from HK$3,790

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 14-11. 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

Keep the following information in mind while searching for Hong Kong to Dulles Intl flight deals. Data was last updated 13 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 13 September 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 13 September 2025.

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

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Korean Air and United Airlines from Hong Kong to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the cheapest airlines flying from Hong Kong to Washington, D.C. Dulles Intl Airport round-trip?

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?

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.

Top 2 airlines flying from Hong Kong to Dulles Intl

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

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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 13 September 2025.