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

There are many flights that can get you from Hong Kong to Washington, D.C. in 21h 55m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 13092 km.

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Washington, D.C., 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 are the most popular routes from Hong Kong to Washington, D.C.?

The most popular flight routes from Hong Kong to Washington, D.C. are Hong Kong Intl - Baltimore/Washington, Hong Kong Intl - Washington, D.C. Dulles Intl and Hong Kong Intl - Washington, D.C. Reagan-National.

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

When flying from Hong Kong to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Hong Kong to Washington, D.C. that include hotel bookings?

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

How can I find direct flights from Hong Kong to Washington, D.C.?

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

Can I find deals for business class flights from Hong Kong to Washington, D.C.?

Yes. Cheapflights offers flight deals from Hong Kong to Washington, D.C. 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$4,050+ Cheap Flights from Hong Kong to Washington, D.C.

Cheap flight deals from Hong Kong to Washington, D.C.

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Hong Kong to Washington, D.C.
Explore the most affordable flight options available from Hong Kong to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Thu 22-1012:40 -

2 stops28h 37m

Tue 27-1014:26 -

1 stop27h 19m

Deal found 15-10HK$5,415

Sat 17-1012:40 -

2 stops28h 37m

Thu 22-1006:35 -

1 stop24h 20m

Deal found 14-10HK$5,815

Tue 27-1010:35 -

2 stops22h 52m

Thu 22-408:25 -

1 stop22h 30m

Deal found 13-10HK$6,530

Thu 26-1110:35 -

2 stops33h 43m

Mon 30-1112:20 -

1 stop28h 25m

Deal found 15-10HK$6,757

Sat 17-1021:45 -

2 stops25h 40m

Wed 21-1009:45 -

1 stop21h 10m

Deal found 13-10HK$6,930

Fri 20-1113:40 -

1 stop19h 55m

Mon 30-1123:35 -

1 stop23h 20m

Deal found 11-10HK$7,032

Fri 23-1010:30 -

1 stop21h 00m

Tue 27-1023:00 -

1 stop32h 00m

Deal found 15-10HK$7,095

Thu 26-1110:35 -

2 stops23h 37m

Thu 3-1212:55 -

2 stops28h 50m

Deal found 12-10HK$7,369

Wed 11-1100:25 -

1 stop28h 30m

Mon 16-1120:05 -

1 stop29h 45m

Deal found 14-10HK$7,377

Tue 13-1023:55 -

1 stop22h 10m

Mon 26-1008:37 -

2 stops26h 13m

Deal found 10-10HK$7,495

Wed 2-1213:40 -

1 stop19h 55m

Sun 6-1223:35 -

1 stop23h 20m

Deal found 15-10HK$7,542

Find flight deals from Hong Kong to Washington, D.C.

Round-trip from	HK$5,415
One-way from	HK$4,050
Popular in	July
Cheapest in	February

United Airlines
12-11-16-11
3 total stops
49h 03m total
Hong Kong to Washington, D.C.

Search Deals

23-10-31-12
2 total stops
22h 59m total
Hong Kong to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (HK$9,747 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (HK$1,719 potential savings vs. average return price).

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Hong Kong to Washington, D.C. 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

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$5,133

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Sun 22-11

14:05-05:40

2 stops28h 35m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,133

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Mon 15-2

14:05-05:31

2 stops28h 26m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,133

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Tue 8-12

00:25-15:55

1 stop28h 30m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,172

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Sun 15-11

18:05-15:55

1 stop34h 50m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,172

Fastest return journey

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$5,313

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$5,313

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Tue 9-2

13:30-00:19

3 stops47h 49m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-13:00

Nonstop0h 00m

HK$5,344

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Wed 2-12

10:35-19:30

2 stops21h 55m

Washington, D.C. Dulles Intl

Sun 6-12

17:40-19:20

1 stop36h 40m

HK$5,415

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Thu 12-11

10:35-23:13

2 stops25h 38m

Washington, D.C. Dulles Intl

Mon 16-11

18:20-06:45

1 stop23h 25m

HK$5,415

Flights are sorted by cheapest return flights first.

Deals found on 15-10

Showing 1-10 of 19 resultsSorted by cheapest first

Best time to book a flight from Hong Kong to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

HK0-WAS

HKG-IAD

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

Currently, February is the cheapest month in which you can book a flight from Hong Kong to Washington, D.C. (average of HK$7,707). Flying from Hong Kong to Washington, D.C. in July is currently the most expensive (average of HK$11,270). 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.

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown with United Airlines from Hong Kong to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

10,366 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

United Airlines

7.4

Good

10,366 reviews

United Airlines

7.4

Good

10,366 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

How long is the flight from Hong Kong to Washington, D.C.?
There are many flights that can get you from Hong Kong to Washington, D.C. in 21h 55m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 13092 km.
What are the most popular routes from Hong Kong to Washington, D.C.?
The most popular flight routes from Hong Kong to Washington, D.C. are Hong Kong Intl - Baltimore/Washington, Hong Kong Intl - Washington, D.C. Dulles Intl and Hong Kong Intl - Washington, D.C. Reagan-National.
Can I find deals for flights from Hong Kong to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Hong Kong to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Hong Kong to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Washington, D.C..
Can I find deals for business class flights from Hong Kong to Washington, D.C.?
Yes. Cheapflights offers flight deals from Hong Kong to Washington, D.C. 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.?
Currently, February is the cheapest month in which you can book a flight from Hong Kong to Washington, D.C. (average of HK$7,707). Flying from Hong Kong to Washington, D.C. in July is currently the most expensive (average of HK$11,270). 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

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How does Cheapflights help users find flights from Hong Kong to Washington, D.C.?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hong Kong to Washington, D.C.. 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 Washington, D.C.?

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 Washington, D.C. from Hong Kong.

Can Cheapflights find flights from Hong Kong to Washington, D.C. with no change fees?

Yes, we can. To see specific flights from Hong Kong to Washington, D.C. with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Hong Kong to Washington, D.C. become cheaper?

Yes! Start tracking prices for Hong Kong to Washington, D.C. flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Hong Kong to Washington, D.C. from HK$4,050

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23-10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Hong Kong to Washington, D.C.

Cheapest flights from Hong Kong to Washington, D.C.Explore the most affordable flight options available from Hong Kong to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Explore the most affordable flight options available from Hong Kong to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Best flights from Hong Kong to Washington, D.C.Discover carefully curated flight deals from Hong Kong to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Discover carefully curated flight deals from Hong Kong to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Last-minute flights from Hong Kong to Washington, D.C.Discover last-minute flight deals from Hong Kong to Washington, D.C.. Data last updated 15 October 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to Washington, D.C.. Data last updated 15 October 2026 and is based on user searches.

One-way flights from Hong Kong to Washington, D.C.Search for one-way flight options from Hong Kong to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

Search for one-way flight options from Hong Kong to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

Find flight deals from Hong Kong to Washington, D.C.

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Cheapflights Fare Finder

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

Best time to book a flight from Hong Kong to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.?

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown with United Airlines from Hong Kong to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the most popular routes from Hong Kong to Washington, D.C.?

Can I find deals for flights from Hong Kong to Washington, D.C. that include hotel bookings?

How can I find direct flights from Hong Kong to Washington, D.C.?

Can I find deals for business class flights from Hong Kong to Washington, D.C.?

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

Travelling to a place near Washington, D.C.?

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Alternative routes for Hong Kong to Washington, D.C.

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Complete your trip

Complete your trip to Washington, D.C. by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

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Search flights from Hong Kong to Washington, D.C. by cabin class

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

Hong Kong and Washington, D.C. flights

Browse other Hong Kong and Washington, D.C. flight options. Last updated on 15 October 2026.

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How does Cheapflights help users find flights from Hong Kong to Washington, D.C.?

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Washington, D.C.?

Can Cheapflights find flights from Hong Kong to Washington, D.C. with no change fees?

Can Cheapflights notify me if prices for flights from Hong Kong to Washington, D.C. become cheaper?

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Cheapest flights from Hong Kong to Washington, D.C.
Explore the most affordable flight options available from Hong Kong to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Best flights from Hong Kong to Washington, D.C.
Discover carefully curated flight deals from Hong Kong to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Last-minute flights from Hong Kong to Washington, D.C.
Discover last-minute flight deals from Hong Kong to Washington, D.C.. Data last updated 15 October 2026 and is based on user searches.

One-way flights from Hong Kong to Washington, D.C.
Search for one-way flight options from Hong Kong to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.