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

On average, it takes 20h 54m to fly from Washington, D.C. to Hong Kong if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Hong Kong (the most popular airport in Hong Kong). If you’re flying out of Baltimore and into Hong Kong, then the flight time is around 21h 37m.

What airlines fly to Hong Kong?

United Airlines, Cathay Pacific and Air China are the top three most popular airlines that fly to Hong Kong from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Hong Kong. Keep in mind that there are 13 different airlines that fly to Hong Kong on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington, D.C. to Hong Kong?

Air Canada, Cathay Pacific, and United Airlines are the most popular carriers operating from Washington, D.C. to Hong Kong

When did momondo last update prices for flights from Washington, D.C. to Hong Kong?

Prices for flights from Washington, D.C. to Hong Kong refresh daily.

How many operators does momondo search for flights from Washington, D.C. to Hong Kong?

The number of operators available for flights from Washington, D.C. to Hong Kong is 13 as of September 2026.

How old do you have to be to fly from Washington, D.C. to Hong Kong?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Hong Kong.

What documentation or ID do you need to fly to Hong Kong?

The required travel and health documents for your Hong Kong trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Hong Kong. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$434 Cheap Flights from Washington, D.C. to Hong Kong in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Hong Kong

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:45 pm - 11:20 amDCA Washington, D.C. Reagan-National-HKG Hong Kong Intl

49h 35m2 stops Toronto Pearson Intl Incheon Intl

12:55 am - 10:38 pmHKG Hong Kong Intl-DCA Washington, D.C. Reagan-National

34h 43m2 stops Incheon Intl Toronto Pearson Intl

$936Air Canada

Mon, Nov 9 - Tue, Feb 2

8:45 pm - 11:20 amDCA Washington, D.C. Reagan-National-HKG Hong Kong Intl

49h 35m2 stops Toronto Pearson Intl Incheon Intl

12:55 am - 10:38 pmHKG Hong Kong Intl-DCA Washington, D.C. Reagan-National

34h 43m2 stops Incheon Intl Toronto Pearson Intl

$936Air Canada

Mon, Nov 9 - Mon, Feb 1

11:05 am - 10:30 pmDCA Washington, D.C. Reagan-National-HKG Hong Kong Intl

46h 25m2 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita

8:05 pm - 10:38 pmHKG Hong Kong Intl-DCA Washington, D.C. Reagan-National

39h 33m2 stops Incheon Intl Toronto Pearson Intl

$936Multiple Airlines

Tue, Dec 1 - Tue, Feb 2

6:59 am - 5:00 amDCA Washington, D.C. Reagan-National-HKG Hong Kong Intl

33h 01m2 stops Toronto Pearson Intl Incheon Intl

10:30 am - 9:53 pmHKG Hong Kong Intl-DCA Washington, D.C. Reagan-National

24h 23m2 stops Tokyo Narita Montreal Pierre Elliott Trudeau Intl

$936Multiple Airlines

Mon, Nov 16 - Tue, Mar 2

10:00 pm - 9:50 pmIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

34h 50m1 stop Beijing Capital

10:30 am - 6:30 pmHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

21h 00m1 stop Beijing Capital

$976Air China

Tue, Nov 17 - Fri, Dec 11

10:00 pm - 9:50 pmIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

34h 50m1 stop Beijing Capital

10:30 am - 6:30 pmHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

21h 00m1 stop Beijing Capital

$977Air China

Tue, Nov 17 - Fri, Dec 11

10:20 pm - 8:05 amIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

20h 45m1 stop Istanbul

11:15 pm - 12:45 pmHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

26h 30m1 stop Istanbul

$982Turkish Airlines

Sun, Nov 1 - Wed, Nov 4

9:20 pm - 5:05 pmIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

30h 45m1 stop Istanbul

11:15 pm - 11:45 amHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

25h 30m1 stop Istanbul

$988Turkish Airlines

Wed, Nov 11 - Wed, Dec 2

5:49 pm - 6:45 amDCA Washington, D.C. Reagan-National-HKG Hong Kong Intl

23h 56m1 stop San Francisco

10:35 am - 4:45 pmHKG Hong Kong Intl-DCA Washington, D.C. Reagan-National

43h 10m1 stop San Francisco

$1,024United Airlines

Fri, Nov 13 - Sun, Nov 29

5:49 pm - 6:45 amDCA Washington, D.C. Reagan-National-HKG Hong Kong Intl

23h 56m1 stop San Francisco

10:35 am - 4:45 pmHKG Hong Kong Intl-DCA Washington, D.C. Reagan-National

43h 10m1 stop San Francisco

$1,024United Airlines

Sun, Nov 8 - Fri, Nov 27

Cheap last minute flights

Enter your travel dates to find the best prices.

7:00 am - 5:45 amIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

34h 45m2 stops Seattle/Tacoma Intl Incheon Intl

3:15 pm - 10:50 amHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

31h 35m1 stop Incheon Intl

$997Multiple Airlines

Sat, Sep 26 - Sun, Oct 4

1:20 pm - 12:00 pmIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

34h 40m1 stop Incheon Intl

3:15 pm - 10:50 amHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

31h 35m1 stop Incheon Intl

$1,009AIR PREMIA

Mon, Sep 28 - Sun, Oct 4

1:20 pm - 12:00 pmIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

34h 40m1 stop Incheon Intl

3:45 pm - 5:40 amHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

25h 55m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,012Multiple Airlines

Mon, Sep 28 - Mon, Oct 5

12:35 pm - 5:15 amIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

52h 40m2 stops Ottawa Vancouver Intl

9:30 am - 8:25 pmHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

22h 55m2 stops Tokyo Narita Toronto Pearson Intl

$1,029Air Canada

Sat, Sep 26 - Sun, Oct 4

1:15 am - 8:50 amIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

19h 35m1 stop Taipei City Taiwan Taoyuan Intl

1:30 pm - 10:00 pmHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,221EVA Air

Fri, Sep 25 - Sat, Oct 3

1:15 am - 8:50 amIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

19h 35m1 stop Taipei City Taiwan Taoyuan Intl

1:30 pm - 10:00 pmHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,221EVA Air

Sat, Sep 26 - Fri, Oct 2

6:59 pm - 6:55 pmDCA Washington, D.C. Reagan-National-HKG Hong Kong Intl

35h 56m1 stop San Francisco

6:25 pm - 8:00 pmHKG Hong Kong Intl-DCA Washington, D.C. Reagan-National

37h 35m1 stop Los Angeles

$1,232Cathay Pacific

Sun, Sep 27 - Sun, Oct 4

8:24 pm - 9:00 pmDCA Washington, D.C. Reagan-National-HKG Hong Kong Intl

36h 36m1 stop Chicago O'Hare Intl

11:00 am - 7:15 pmHKG Hong Kong Intl-DCA Washington, D.C. Reagan-National

20h 15m1 stop Toronto Pearson Intl

$1,240Cathay Pacific

Sun, Sep 27 - Fri, Oct 2

6:50 pm - 5:00 amBWI Baltimore/Washington-HKG Hong Kong Intl

22h 10m1 stop San Francisco

11:55 pm - 6:41 amHKG Hong Kong Intl-BWI Baltimore/Washington

42h 46m2 stops Tokyo Haneda Los Angeles

$1,788United Airlines

Fri, Sep 25 - Sat, Oct 10

5:43 pm - 5:40 amBWI Baltimore/Washington-HKG Hong Kong Intl

23h 57m1 stop Los Angeles

11:55 pm - 6:41 amHKG Hong Kong Intl-BWI Baltimore/Washington

42h 46m2 stops Tokyo Haneda Los Angeles

$1,788United Airlines

Fri, Sep 25 - Sat, Oct 10

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Cathay Pacific flights from Washington, D.C. to Hong Kong

Our best Cathay Pacific deals on Washington, D.C. to Hong Kong flight tickets

Cathay Pacific

Nov 3

BWI7:18 amBaltimore/Washington

23h 47m

1 stop

HKG8:05 pmHong Kong Intl

Nov 9

HKG12:15 pmHong Kong Intl

18h 38m

1 stop

BWI5:53 pmBaltimore/Washington

$1,182

Cathay Pacific

Feb 23

BWI7:17 amBaltimore/Washington

23h 48m

1 stop

HKG8:05 pmHong Kong Intl

Apr 29

HKG12:10 pmHong Kong Intl

19h 12m

1 stop

BWI7:22 pmBaltimore/Washington

$1,183

Cathay Pacific

Nov 10

BWI7:18 amBaltimore/Washington

23h 47m

1 stop

HKG8:05 pmHong Kong Intl

Dec 15

HKG12:15 pmHong Kong Intl

24h 40m

1 stop

BWI11:55 pmBaltimore/Washington

$1,184

Air China flights from Washington, D.C. to Hong Kong

Our best Air China deals on Washington, D.C. to Hong Kong flight tickets

Air China

Nov 3

IAD10:00 pmWashington, D.C. Dulles Intl

26h 05m

1 stop

HKG1:05 pmHong Kong Intl

Dec 15

HKG8:30 amHong Kong Intl

23h 00m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

$982

Air China

Nov 3

IAD10:00 pmWashington, D.C. Dulles Intl

34h 00m

1 stop

HKG9:00 pmHong Kong Intl

Nov 10

HKG10:30 amHong Kong Intl

21h 00m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

$983

Air China

Nov 3

IAD10:00 pmWashington, D.C. Dulles Intl

34h 00m

1 stop

HKG9:00 pmHong Kong Intl

Nov 9

HKG2:35 pmHong Kong Intl

40h 55m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

$987

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Hong Kong

DCA Washington, D.C. Reagan-National - HKG Hong Kong Intl

DCAHKG

Washington, D.C. Reagan-National

Mon 11/9

8:45 pm-11:20 am

2 stops49h 35m

Hong Kong Intl

Tue 2/2

12:55 am-10:38 pm

2 stops34h 43m

$936

Washington, D.C.Hong Kong

DCA Washington, D.C. Reagan-National - HKG Hong Kong Intl

DCAHKG

Washington, D.C. Reagan-National

Mon 11/9

8:45 pm-11:20 am

2 stops49h 35m

Hong Kong Intl

Mon 2/1

12:55 am-10:38 pm

2 stops34h 43m

$936

Washington, D.C.Hong Kong

DCA Washington, D.C. Reagan-National - HKG Hong Kong Intl

DCAHKG

Washington, D.C. Reagan-National

Tue 12/1

11:05 am-10:30 pm

2 stops46h 25m

Hong Kong Intl

Tue 2/2

8:05 pm-10:38 pm

2 stops39h 33m

$936

Washington, D.C.Hong Kong

DCA Washington, D.C. Reagan-National - HKG Hong Kong Intl

DCAHKG

Washington, D.C. Reagan-National

Mon 11/16

6:59 am-5:00 am

2 stops33h 01m

Hong Kong Intl

Tue 3/2

10:30 am-9:53 pm

2 stops24h 23m

$936

Washington, D.C.Hong Kong

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

IADHKG

Washington, D.C. Dulles Intl

Tue 11/17

10:00 pm-9:50 pm

1 stop34h 50m

Hong Kong Intl

Fri 12/11

10:30 am-6:30 pm

1 stop21h 00m

$976

Washington, D.C.Hong Kong

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

IADHKG

Washington, D.C. Dulles Intl

Tue 11/17

10:00 pm-9:50 pm

1 stop34h 50m

Hong Kong Intl

Fri 12/11

10:30 am-6:30 pm

1 stop21h 00m

$977

Quickest round-trip

Washington, D.C.Hong Kong

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

IADHKG

Washington, D.C. Dulles Intl

Sun 11/1

10:20 pm-8:05 am

1 stop20h 45m

Hong Kong Intl

Wed 11/4

11:15 pm-12:45 pm

1 stop26h 30m

$982

Washington, D.C.Hong Kong

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

IADHKG

Washington, D.C. Dulles Intl

Wed 11/11

9:20 pm-5:05 pm

1 stop30h 45m

Hong Kong Intl

Wed 12/2

11:15 pm-11:45 am

1 stop25h 30m

$988

Washington, D.C.Hong Kong

DCA Washington, D.C. Reagan-National - HKG Hong Kong Intl

DCAHKG

Washington, D.C. Reagan-National

Fri 11/13

5:49 pm-6:45 am

1 stop23h 56m

Hong Kong Intl

Sun 11/29

10:35 am-4:45 pm

1 stop43h 10m

$1,024

Washington, D.C.Hong Kong

DCA Washington, D.C. Reagan-National - HKG Hong Kong Intl

DCAHKG

Washington, D.C. Reagan-National

Sun 11/8

5:49 pm-6:45 am

1 stop23h 56m

Hong Kong Intl

Fri 11/27

10:35 am-4:45 pm

1 stop43h 10m

$1,024

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Hong Kong

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Hong Kong?

The month of April is, on average, the cheapest month to fly to Hong Kong from Washington, D.C., with most prices found around $1,131. The month of March is another great option to travel to Hong Kong, with average flight prices from Washington, D.C. averaging around $1,171.

How far in advance should I book a flight from Washington, D.C. to Hong Kong?

You are more likely to see cheaper flights to Hong Kong from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Hong Kong for around $1,268 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hong Kong from Washington, D.C. for as low as $1,183 on momondo.

Can stopping save me money on Washington, D.C. to Hong Kong flights?

You could potentially save up to 17% on your flight if you consider stops on a Washington, D.C. to Hong Kong flight.

Cheap Washington, D.C. to Hong Kong flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Hong Kong

Best Price Found	$434
Fastest flight time	20h 05m
Direct flights	None

The best one-way flight to Hong Kong from Washington, D.C. in the past 72 hours is $434. The best round-trip flight deal from Washington, D.C. to Hong Kong found on momondo in the last 72 hours is $936.

The fastest flight from Washington, D.C. to Hong Kong takes 20h 05m

There are no direct flights from Washington, D.C. to Hong Kong. There are no popular flight routes from Washington, D.C. to Hong Kong.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Hong Kong

When did momondo last update prices for flights from Washington, D.C. to Hong Kong?
Prices for flights from Washington, D.C. to Hong Kong refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Hong Kong?
The number of operators available for flights from Washington, D.C. to Hong Kong is 13 as of September 2026.
How old do you have to be to fly from Washington, D.C. to Hong Kong?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Hong Kong.
What documentation or ID do you need to fly to Hong Kong?
The required travel and health documents for your Hong Kong trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Hong Kong. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Washington, D.C. to Hong Kong

Compare and see reviews for airlines that fly from Washington, D.C. to Hong Kong with momondo

Airline	Rating	Free Cancellation	Price
Korean Air	PriceFrom $570	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
AIR PREMIA	PriceFrom $825	Free Cancellation	Rating 8.1 106 reviews	Search AIR PREMIA flights
Air Canada	PriceFrom $827	Free Cancellation	Rating 7.1 11,681 reviews	Search Air Canada flights
Air China	PriceFrom $845	Free Cancellation	Rating 7.5 166 reviews	Search Air China flights
Turkish Airlines	PriceFrom $878	Free Cancellation	Rating 7.4 4,460 reviews	Search Turkish Airlines flights
ANA	PriceFrom $892	Free Cancellation	Rating 8.3 1,322 reviews	Search ANA flights
Cathay Pacific	PriceFrom $965	Free Cancellation	Rating 7.6 1,494 reviews	Search Cathay Pacific flights
Qatar Airways	PriceFrom $995	Free Cancellation	Rating 7.3 3,727 reviews	Search Qatar Airways flights
United Airlines	PriceFrom $1,069	Free Cancellation	Rating 7.4 10,234 reviews	Search United Airlines flights
EVA Air	PriceFrom $1,107	Free Cancellation	Rating 8.5 1,534 reviews	Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Hong Kong?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Hong Kong for you.

Can I find flights from Washington, D.C. to Hong Kong with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Hong Kong flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Hong Kong?

Once all potential Washington, D.C. to Hong Kong flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Hong Kong right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Hong Kong, momondo offers a useful price alert feature which will track prices for flights to Hong Kong from Washington, D.C. and alert you when they change.

An easier way to manage your Hong Kong trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Flights to Hong Kongfrom $610

Cheap flights from Washington, D.C. to Hong Kong from $434

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Hong Kong departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Washington, D.C. to Hong Kong

Cheap round-trip flights

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Big names and deals

Filter for what you want

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Cathay Pacific flights from Washington, D.C. to Hong Kong

Our best Cathay Pacific deals on Washington, D.C. to Hong Kong flight tickets

Air China flights from Washington, D.C. to Hong Kong

Our best Air China deals on Washington, D.C. to Hong Kong flight tickets

momondo Fare Finder

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

See travel insights to Hong Kong from

How to get the cheapest flight ticket from Washington, D.C. to Hong Kong

What is the cheapest month to fly to Hong Kong?

How far in advance should I book a flight from Washington, D.C. to Hong Kong?

Can stopping save me money on Washington, D.C. to Hong Kong flights?

What is the cheapest airline that flies from Washington, D.C. to Hong Kong?

What airlines fly to Hong Kong?

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

Cheap Washington, D.C. to Hong Kong flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. to Hong Kong

Best airlines flying from Washington, D.C. to Hong Kong

Compare and see reviews for airlines that fly from Washington, D.C. to Hong Kong with momondo

Why use momondo?

An easier way to manage your Hong Kong trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Hong Kong

Popular cities in Hong Kong

Popular flights according to clicks in the last 7 days on momondo

Washington, D.C. flight routes

According to popular flight searches on momondo this year

Hong Kong flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Hong Kong

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Hong Kong

List of cabin classes available on flights landing in Hong Kong. Availability may vary depending on flight origin and airline.

Complete your trip to Hong Kong

Explore popular destinations other users love

According to popular flight searches on momondo this year