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Cheap flights from Hong Kong to Washington, D.C. from $609

1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:35 am - 8:51 pmHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
22h 16m1 stop San Francisco
United Airlines Logo
12:45 pm - 7:00 amIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
29h 15m2 stops Denver Intl Los Angeles
$827United Airlines
Wed, Oct 28 - Sat, Mar 6
United Airlines Logo
12:40 pm - 5:17 amHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
28h 37m2 stops Los Angeles Denver Intl
United Airlines Logo
12:45 pm - 5:00 amIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
28h 15m1 stop San Francisco
$828United Airlines
Wed, Oct 7 - Wed, Oct 14
AIR PREMIA Logo
1:35 pm - 10:50 amHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
33h 15m1 stop Incheon Intl
AIR PREMIA Logo
12:35 am - 11:55 amIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
23h 20m1 stop Incheon Intl
$843AIR PREMIA
Tue, Oct 13 - Sun, Oct 25
AIR PREMIA Logo
1:35 pm - 10:50 amHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
33h 15m1 stop Incheon Intl
AIR PREMIA Logo
12:35 am - 11:55 amIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
23h 20m1 stop Incheon Intl
$845AIR PREMIA
Tue, Oct 13 - Sun, Oct 25
United Airlines Logo
11:45 am - 9:05 pmHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
21h 20m1 stop San Francisco
United Airlines Logo
4:10 pm - 7:00 amIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
26h 50m2 stops Denver Intl Los Angeles
$891United Airlines
Fri, Oct 23 - Thu, Oct 29
AIR PREMIA Logo
1:40 pm - 9:35 pmHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
19h 55m1 stop Incheon Intl
AIR PREMIA Logo
11:35 pm - 11:55 amIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
23h 20m1 stop Incheon Intl
$892AIR PREMIA
Sun, Oct 25 - Sun, Nov 1
Air China Logo
5:50 pm - 7:30 pmHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
37h 40m1 stop Beijing Capital
Air China Logo
11:00 pm - 9:50 pmIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
34h 50m1 stop Beijing Capital
$916Air China
Mon, Oct 26 - Fri, Oct 30
Air China Logo
5:45 pm - 7:30 pmHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
37h 45m1 stop Beijing Capital
Air China Logo
11:00 pm - 9:05 pmIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
34h 05m1 stop Beijing Capital
$919Air China
Thu, Oct 1 - Fri, Oct 9
Multiple Airlines Logo
12:15 am - 11:59 pmHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
35h 44m2 stops Incheon Intl Seattle/Tacoma Intl
Multiple Airlines Logo
9:38 am - 10:40 pmIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
25h 02m2 stops Seattle/Tacoma Intl Incheon Intl
$928Multiple Airlines
Sun, Oct 25 - Fri, Oct 30
United Airlines Logo
11:45 am - 9:05 pmHKG  Hong Kong Intl-IAD Washington, D.C. Dulles Intl
21h 20m1 stop San Francisco
United Airlines Logo
10:00 am - 5:45 amIAD  Washington, D.C. Dulles Intl-HKG Hong Kong Intl
31h 45m2 stops Denver Intl San Francisco
$942United Airlines
Sat, Oct 24 - Sat, Oct 31

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

Our best Air China deals on Hong Kong to Washington, D.C. Dulles Intl Airport flight tickets
Air China
Oct 26
HKG5:50 pmHong Kong Intl
37h 40m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Oct 30
IAD11:00 pmWashington, D.C. Dulles Intl
34h 50m
1 stop
HKG9:50 pmHong Kong Intl
$916
Air China
Oct 1
HKG5:45 pmHong Kong Intl
37h 45m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Oct 9
IAD11:00 pmWashington, D.C. Dulles Intl
34h 05m
1 stop
HKG9:05 pmHong Kong Intl
$919

United Airlines flights from Hong Kong to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Hong Kong to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Oct 28
HKG10:35 amHong Kong Intl
22h 16m
1 stop
IAD8:51 pmWashington, D.C. Dulles Intl
Mar 6
IAD12:45 pmWashington, D.C. Dulles Intl
29h 15m
2 stops
HKG7:00 amHong Kong Intl
$827
United Airlines
Oct 7
HKG12:40 pmHong Kong Intl
28h 37m
2 stops
IAD5:17 amWashington, D.C. Dulles Intl
Oct 14
IAD12:45 pmWashington, D.C. Dulles Intl
28h 15m
1 stop
HKG5:00 amHong Kong Intl
$828
United Airlines
Sep 17
HKG12:40 pmHong Kong Intl
23h 52m
2 stops
IAD12:32 amWashington, D.C. Dulles Intl
Nov 12
IAD12:35 pmWashington, D.C. Dulles Intl
29h 10m
1 stop
HKG6:45 amHong Kong Intl
$840

momondo 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

Cheapest round-trip

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Wed 10/28

10:35 am-8:51 pm

1 stop22h 16m

Washington, D.C. Dulles Intl

Sat 3/6

12:45 pm-7:00 am

2 stops29h 15m

$827

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Wed 10/7

12:40 pm-5:17 am

2 stops28h 37m

Washington, D.C. Dulles Intl

Wed 10/14

12:45 pm-5:00 am

1 stop28h 15m

$828

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Tue 10/13

1:35 pm-10:50 am

1 stop33h 15m

Washington, D.C. Dulles Intl

Sun 10/25

12:35 am-11:55 am

1 stop23h 20m

$843

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Tue 10/13

1:35 pm-10:50 am

1 stop33h 15m

Washington, D.C. Dulles Intl

Sun 10/25

12:35 am-11:55 am

1 stop23h 20m

$845

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Fri 10/23

11:45 am-9:05 pm

1 stop21h 20m

Washington, D.C. Dulles Intl

Thu 10/29

4:10 pm-7:00 am

2 stops26h 50m

$891
Quickest round-trip

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Sun 10/25

1:40 pm-9:35 pm

1 stop19h 55m

Washington, D.C. Dulles Intl

Sun 11/1

11:35 pm-11:55 am

1 stop23h 20m

$892

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Mon 10/26

5:50 pm-7:30 pm

1 stop37h 40m

Washington, D.C. Dulles Intl

Fri 10/30

11:00 pm-9:50 pm

1 stop34h 50m

$916

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Thu 10/1

5:45 pm-7:30 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

Fri 10/9

11:00 pm-9:05 pm

1 stop34h 05m

$919

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Sun 10/25

12:15 am-11:59 pm

2 stops35h 44m

Washington, D.C. Dulles Intl

Fri 10/30

9:38 am-10:40 pm

2 stops25h 02m

$928

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Sat 10/24

11:45 am-9:05 pm

1 stop21h 20m

Washington, D.C. Dulles Intl

Sat 10/31

10:00 am-5:45 am

2 stops31h 45m

$942

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

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

What is the typical price of a round-trip flight between Hong Kong and Washington, D.C. Dulles Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $1,049 to $1,266.
The lowest price recently found on this route was $827.

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

In general, August is the cheapest month to fly from Hong Kong to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $719. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $853.

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

You could potentially save up to 3% on your flight if you consider stops on a Hong Kong to Washington, D.C. Dulles Intl Airport flight.

How have Hong Kong to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of September 2026, prices for Hong Kong to Washington, D.C. Dulles Intl Airport flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from Hong Kong to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Hong Kong to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Hong Kong to Washington, D.C. Dulles Intl Airport (HKG to IAD) flight deals and tips

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

Best Price Found

$609

Fastest flight time

21h 54m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Hong Kong in the past 72 hours is $609. The best round-trip flight deal from Hong Kong to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $827.
The fastest flight from Hong Kong to Washington, D.C. Dulles Intl Airport takes 21h 54m
There are no direct flights from Hong Kong to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Hong Kong to Washington, D.C. Dulles Intl Airport.
Search flight deals

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

  • How far is Hong Kong Intl to Washington, D.C. Dulles Intl by plane?

    There are 8131.2 mi between Hong Kong Intl and Washington, D.C. Dulles Intl. 21h 54m is a normal flight duration for this route.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hong Kong Intl Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Winchester
Fredericksburg
Laurel
Waldorf
Woodbridge
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Sterling
Fairfax
Springfield
Colonial Beach
Edgewood
Martinsburg

Why use momondo?

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

Finding the right flight to Washington, D.C. from Hong Kong is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Washington, D.C. from Hong Kong which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Hong Kong.

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

If you are not ready to book a flight from Hong Kong to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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